diff options
Diffstat (limited to 'tools/perf/tests')
248 files changed, 15460 insertions, 4992 deletions
diff --git a/tools/perf/tests/.gitignore b/tools/perf/tests/.gitignore deleted file mode 100644 index d053b325f728..000000000000 --- a/tools/perf/tests/.gitignore +++ /dev/null @@ -1,5 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0-only -llvm-src-base.c -llvm-src-kbuild.c -llvm-src-prologue.c -llvm-src-relocation.c diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index 90fd1eb317bb..c2a67ce45941 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -1,108 +1,120 @@ # SPDX-License-Identifier: GPL-2.0 -perf-y += builtin-test.o -perf-y += builtin-test-list.o -perf-y += parse-events.o -perf-y += dso-data.o -perf-y += attr.o -perf-y += vmlinux-kallsyms.o -perf-$(CONFIG_LIBTRACEEVENT) += openat-syscall.o -perf-$(CONFIG_LIBTRACEEVENT) += openat-syscall-all-cpus.o -perf-$(CONFIG_LIBTRACEEVENT) += openat-syscall-tp-fields.o -perf-$(CONFIG_LIBTRACEEVENT) += mmap-basic.o -perf-y += perf-record.o -perf-y += evsel-roundtrip-name.o -perf-$(CONFIG_LIBTRACEEVENT) += evsel-tp-sched.o -perf-y += fdarray.o -perf-y += pmu.o -perf-y += pmu-events.o -perf-y += hists_common.o -perf-y += hists_link.o -perf-y += hists_filter.o -perf-y += hists_output.o -perf-y += hists_cumulate.o -perf-y += python-use.o -perf-y += bp_signal.o -perf-y += bp_signal_overflow.o -perf-y += bp_account.o -perf-y += wp.o -perf-y += task-exit.o -perf-y += sw-clock.o -perf-y += mmap-thread-lookup.o -perf-y += thread-maps-share.o -perf-$(CONFIG_LIBTRACEEVENT) += switch-tracking.o -perf-y += keep-tracking.o -perf-y += code-reading.o -perf-y += sample-parsing.o -perf-y += parse-no-sample-id-all.o -perf-y += kmod-path.o -perf-y += thread-map.o -perf-y += llvm.o llvm-src-base.o llvm-src-kbuild.o llvm-src-prologue.o llvm-src-relocation.o -perf-y += bpf.o -perf-y += topology.o -perf-y += mem.o -perf-y += cpumap.o -perf-y += stat.o -perf-y += event_update.o -perf-y += event-times.o -perf-y += expr.o -perf-y += backward-ring-buffer.o -perf-y += sdt.o -perf-y += is_printable_array.o -perf-y += bitmap.o -perf-y += perf-hooks.o -perf-y += clang.o -perf-y += unit_number__scnprintf.o -perf-y += mem2node.o -perf-y += maps.o -perf-y += time-utils-test.o -perf-y += genelf.o -perf-y += api-io.o -perf-y += demangle-java-test.o -perf-y += demangle-ocaml-test.o -perf-y += pfm.o -perf-y += parse-metric.o -perf-y += pe-file-parsing.o -perf-y += expand-cgroup.o -perf-y += perf-time-to-tsc.o -perf-y += dlfilter-test.o -perf-y += sigtrap.o -perf-y += event_groups.o +perf-test-y += builtin-test.o +perf-test-y += tests-scripts.o +perf-test-y += parse-events.o +perf-test-y += dso-data.o +perf-test-y += vmlinux-kallsyms.o +perf-test-y += openat-syscall.o +perf-test-y += openat-syscall-all-cpus.o +perf-test-$(CONFIG_LIBTRACEEVENT) += openat-syscall-tp-fields.o +perf-test-y += mmap-basic.o +perf-test-y += perf-record.o +perf-test-y += evsel-roundtrip-name.o +perf-test-$(CONFIG_LIBTRACEEVENT) += evsel-tp-sched.o +perf-test-y += fdarray.o +perf-test-y += pmu.o +perf-test-y += pmu-events.o +perf-test-y += hists_common.o +perf-test-y += hists_link.o +perf-test-y += hists_filter.o +perf-test-y += hists_output.o +perf-test-y += hists_cumulate.o +perf-test-y += bp_signal.o +perf-test-y += bp_signal_overflow.o +perf-test-y += bp_account.o +perf-test-y += wp.o +perf-test-y += task-exit.o +perf-test-y += sw-clock.o +perf-test-y += mmap-thread-lookup.o +perf-test-y += thread-maps-share.o +perf-test-$(CONFIG_LIBTRACEEVENT) += switch-tracking.o +perf-test-y += keep-tracking.o +perf-test-y += code-reading.o +perf-test-y += sample-parsing.o +perf-test-y += parse-no-sample-id-all.o +perf-test-y += kmod-path.o +perf-test-y += thread-map.o +perf-test-y += topology.o +perf-test-y += mem.o +perf-test-y += cpumap.o +perf-test-y += stat.o +perf-test-y += event_update.o +perf-test-y += event-times.o +perf-test-y += expr.o +perf-test-y += backward-ring-buffer.o +perf-test-y += sdt.o +perf-test-y += is_printable_array.o +perf-test-y += bitmap.o +perf-test-y += perf-hooks.o +perf-test-y += unit_number__scnprintf.o +perf-test-y += mem2node.o +perf-test-y += maps.o +perf-test-y += time-utils-test.o +perf-test-y += genelf.o +perf-test-y += api-io.o +perf-test-y += demangle-java-test.o +perf-test-y += demangle-ocaml-test.o +perf-test-y += demangle-rust-v0-test.o +perf-test-y += pfm.o +perf-test-y += parse-metric.o +perf-test-y += pe-file-parsing.o +perf-test-y += expand-cgroup.o +perf-test-y += perf-time-to-tsc.o +perf-test-y += dlfilter-test.o +perf-test-y += sigtrap.o +perf-test-y += event_groups.o +perf-test-y += symbols.o +perf-test-y += util.o +perf-test-y += hwmon_pmu.o +perf-test-y += tool_pmu.o +perf-test-y += subcmd-help.o +perf-test-y += kallsyms-split.o -$(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build - $(call rule_mkdir) - $(Q)echo '#include <tests/llvm.h>' > $@ - $(Q)echo 'const char test_llvm__bpf_base_prog[] =' >> $@ - $(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@ - $(Q)echo ';' >> $@ +ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc)) +perf-test-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o +endif -$(OUTPUT)tests/llvm-src-kbuild.c: tests/bpf-script-test-kbuild.c tests/Build - $(call rule_mkdir) - $(Q)echo '#include <tests/llvm.h>' > $@ - $(Q)echo 'const char test_llvm__bpf_test_kbuild_prog[] =' >> $@ - $(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@ - $(Q)echo ';' >> $@ +CFLAGS_dwarf-unwind.o += -fno-optimize-sibling-calls + +perf-test-y += workloads/ + +ifdef SHELLCHECK + SHELL_TESTS := $(shell find tests/shell -executable -type f -name '*.sh') + SHELL_TEST_LOGS := $(SHELL_TESTS:tests/shell/%=shell/%.shellcheck_log) +else + SHELL_TESTS := + SHELL_TEST_LOGS := +endif -$(OUTPUT)tests/llvm-src-prologue.c: tests/bpf-script-test-prologue.c tests/Build +$(OUTPUT)%.shellcheck_log: % $(call rule_mkdir) - $(Q)echo '#include <tests/llvm.h>' > $@ - $(Q)echo 'const char test_llvm__bpf_test_prologue_prog[] =' >> $@ - $(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@ - $(Q)echo ';' >> $@ + $(Q)$(call echo-cmd,test)$(SHELLCHECK) "$<" > $@ || (cat $@ && rm $@ && false) -$(OUTPUT)tests/llvm-src-relocation.c: tests/bpf-script-test-relocation.c tests/Build +perf-test-y += $(SHELL_TEST_LOGS) + +ifdef MYPY + PY_TESTS := $(shell find tests/shell -type f -name '*.py') + MYPY_TEST_LOGS := $(PY_TESTS:tests/shell/%=shell/%.mypy_log) +else + MYPY_TEST_LOGS := +endif + +$(OUTPUT)%.mypy_log: % $(call rule_mkdir) - $(Q)echo '#include <tests/llvm.h>' > $@ - $(Q)echo 'const char test_llvm__bpf_test_relocation[] =' >> $@ - $(Q)sed -e 's/"/\\"/g' -e 's/\(.*\)/"\1\\n"/g' $< >> $@ - $(Q)echo ';' >> $@ + $(Q)$(call echo-cmd,test)mypy "$<" > $@ || (cat $@ && rm $@ && false) -ifeq ($(SRCARCH),$(filter $(SRCARCH),x86 arm arm64 powerpc)) -perf-$(CONFIG_DWARF_UNWIND) += dwarf-unwind.o +perf-test-y += $(MYPY_TEST_LOGS) + +ifdef PYLINT + PY_TESTS := $(shell find tests/shell -type f -name '*.py') + PYLINT_TEST_LOGS := $(PY_TESTS:tests/shell/%=shell/%.pylint_log) +else + PYLINT_TEST_LOGS := endif -CFLAGS_attr.o += -DBINDIR="BUILD_STR($(bindir_SQ))" -DPYTHON="BUILD_STR($(PYTHON_WORD))" -CFLAGS_python-use.o += -DPYTHONPATH="BUILD_STR($(OUTPUT)python)" -DPYTHON="BUILD_STR($(PYTHON_WORD))" -CFLAGS_dwarf-unwind.o += -fno-optimize-sibling-calls +$(OUTPUT)%.pylint_log: % + $(call rule_mkdir) + $(Q)$(call echo-cmd,test)pylint "$<" > $@ || (cat $@ && rm $@ && false) -perf-y += workloads/ +perf-test-y += $(PYLINT_TEST_LOGS) diff --git a/tools/perf/tests/api-io.c b/tools/perf/tests/api-io.c index e91cf2c127f1..0ba3d5ccebcf 100644 --- a/tools/perf/tests/api-io.c +++ b/tools/perf/tests/api-io.c @@ -12,6 +12,7 @@ #include "tests.h" #include <api/io.h> #include <linux/kernel.h> +#include <linux/zalloc.h> #define TEMPL "/tmp/perf-test-XXXXXX" @@ -79,7 +80,7 @@ static int setup_test(char path[PATH_MAX], const char *contents, static void cleanup_test(char path[PATH_MAX], struct io *io) { - free(io->buf); + zfree(&io->buf); close(io->fd); unlink(path); } @@ -289,6 +290,40 @@ static int test_get_dec(void) return ret; } +static int test_get_line(void) +{ + char path[PATH_MAX]; + struct io io; + char test_string[1024]; + char *line = NULL; + size_t i, line_len = 0; + size_t buf_size = 128; + int ret = 0; + + for (i = 0; i < 512; i++) + test_string[i] = 'a'; + test_string[512] = '\n'; + for (i = 513; i < 1023; i++) + test_string[i] = 'b'; + test_string[1023] = '\0'; + + if (setup_test(path, test_string, buf_size, &io)) + return -1; + + EXPECT_EQUAL((int)io__getline(&io, &line, &line_len), 513); + EXPECT_EQUAL((int)strlen(line), 513); + for (i = 0; i < 512; i++) + EXPECT_EQUAL(line[i], 'a'); + EXPECT_EQUAL(line[512], '\n'); + EXPECT_EQUAL((int)io__getline(&io, &line, &line_len), 510); + for (i = 0; i < 510; i++) + EXPECT_EQUAL(line[i], 'b'); + + free(line); + cleanup_test(path, &io); + return ret; +} + static int test__api_io(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { @@ -300,6 +335,8 @@ static int test__api_io(struct test_suite *test __maybe_unused, ret = TEST_FAIL; if (test_get_dec()) ret = TEST_FAIL; + if (test_get_line()) + ret = TEST_FAIL; return ret; } diff --git a/tools/perf/tests/attr.c b/tools/perf/tests/attr.c deleted file mode 100644 index 56fba08a3037..000000000000 --- a/tools/perf/tests/attr.c +++ /dev/null @@ -1,211 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * The struct perf_event_attr test support. - * - * This test is embedded inside into perf directly and is governed - * by the PERF_TEST_ATTR environment variable and hook inside - * sys_perf_event_open function. - * - * The general idea is to store 'struct perf_event_attr' details for - * each event created within single perf command. Each event details - * are stored into separate text file. Once perf command is finished - * these files can be checked for values we expect for command. - * - * Besides 'struct perf_event_attr' values we also store 'fd' and - * 'group_fd' values to allow checking for groups created. - * - * This all is triggered by setting PERF_TEST_ATTR environment variable. - * It must contain name of existing directory with access and write - * permissions. All the event text files are stored there. - */ - -#include <debug.h> -#include <errno.h> -#include <inttypes.h> -#include <stdlib.h> -#include <stdio.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <sys/param.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <subcmd/exec-cmd.h> -#include "event.h" -#include "util.h" -#include "tests.h" -#include "pmu.h" - -#define ENV "PERF_TEST_ATTR" - -static char *dir; -static bool ready; - -void test_attr__init(void) -{ - dir = getenv(ENV); - test_attr__enabled = (dir != NULL); -} - -#define BUFSIZE 1024 - -#define __WRITE_ASS(str, fmt, data) \ -do { \ - char buf[BUFSIZE]; \ - size_t size; \ - \ - size = snprintf(buf, BUFSIZE, #str "=%"fmt "\n", data); \ - if (1 != fwrite(buf, size, 1, file)) { \ - perror("test attr - failed to write event file"); \ - fclose(file); \ - return -1; \ - } \ - \ -} while (0) - -#define WRITE_ASS(field, fmt) __WRITE_ASS(field, fmt, attr->field) - -static int store_event(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu, - int fd, int group_fd, unsigned long flags) -{ - FILE *file; - char path[PATH_MAX]; - - if (!ready) - return 0; - - snprintf(path, PATH_MAX, "%s/event-%d-%llu-%d", dir, - attr->type, attr->config, fd); - - file = fopen(path, "w+"); - if (!file) { - perror("test attr - failed to open event file"); - return -1; - } - - if (fprintf(file, "[event-%d-%llu-%d]\n", - attr->type, attr->config, fd) < 0) { - perror("test attr - failed to write event file"); - fclose(file); - return -1; - } - - /* syscall arguments */ - __WRITE_ASS(fd, "d", fd); - __WRITE_ASS(group_fd, "d", group_fd); - __WRITE_ASS(cpu, "d", cpu.cpu); - __WRITE_ASS(pid, "d", pid); - __WRITE_ASS(flags, "lu", flags); - - /* struct perf_event_attr */ - WRITE_ASS(type, PRIu32); - WRITE_ASS(size, PRIu32); - WRITE_ASS(config, "llu"); - WRITE_ASS(sample_period, "llu"); - WRITE_ASS(sample_type, "llu"); - WRITE_ASS(read_format, "llu"); - WRITE_ASS(disabled, "d"); - WRITE_ASS(inherit, "d"); - WRITE_ASS(pinned, "d"); - WRITE_ASS(exclusive, "d"); - WRITE_ASS(exclude_user, "d"); - WRITE_ASS(exclude_kernel, "d"); - WRITE_ASS(exclude_hv, "d"); - WRITE_ASS(exclude_idle, "d"); - WRITE_ASS(mmap, "d"); - WRITE_ASS(comm, "d"); - WRITE_ASS(freq, "d"); - WRITE_ASS(inherit_stat, "d"); - WRITE_ASS(enable_on_exec, "d"); - WRITE_ASS(task, "d"); - WRITE_ASS(watermark, "d"); - WRITE_ASS(precise_ip, "d"); - WRITE_ASS(mmap_data, "d"); - WRITE_ASS(sample_id_all, "d"); - WRITE_ASS(exclude_host, "d"); - WRITE_ASS(exclude_guest, "d"); - WRITE_ASS(exclude_callchain_kernel, "d"); - WRITE_ASS(exclude_callchain_user, "d"); - WRITE_ASS(mmap2, "d"); - WRITE_ASS(comm_exec, "d"); - WRITE_ASS(context_switch, "d"); - WRITE_ASS(write_backward, "d"); - WRITE_ASS(namespaces, "d"); - WRITE_ASS(use_clockid, "d"); - WRITE_ASS(wakeup_events, PRIu32); - WRITE_ASS(bp_type, PRIu32); - WRITE_ASS(config1, "llu"); - WRITE_ASS(config2, "llu"); - WRITE_ASS(branch_sample_type, "llu"); - WRITE_ASS(sample_regs_user, "llu"); - WRITE_ASS(sample_stack_user, PRIu32); - - fclose(file); - return 0; -} - -void test_attr__open(struct perf_event_attr *attr, pid_t pid, struct perf_cpu cpu, - int fd, int group_fd, unsigned long flags) -{ - int errno_saved = errno; - - if ((fd != -1) && store_event(attr, pid, cpu, fd, group_fd, flags)) { - pr_err("test attr FAILED"); - exit(128); - } - - errno = errno_saved; -} - -void test_attr__ready(void) -{ - if (unlikely(test_attr__enabled) && !ready) - ready = true; -} - -static int run_dir(const char *d, const char *perf) -{ - char v[] = "-vvvvv"; - int vcnt = min(verbose, (int) sizeof(v) - 1); - char cmd[3*PATH_MAX]; - - if (verbose > 0) - vcnt++; - - scnprintf(cmd, 3*PATH_MAX, PYTHON " %s/attr.py -d %s/attr/ -p %s %.*s", - d, d, perf, vcnt, v); - - return system(cmd) ? TEST_FAIL : TEST_OK; -} - -static int test__attr(struct test_suite *test __maybe_unused, int subtest __maybe_unused) -{ - struct stat st; - char path_perf[PATH_MAX]; - char path_dir[PATH_MAX]; - char *exec_path; - - if (perf_pmu__has_hybrid()) - return TEST_SKIP; - - /* First try development tree tests. */ - if (!lstat("./tests", &st)) - return run_dir("./tests", "./perf"); - - exec_path = get_argv_exec_path(); - if (exec_path == NULL) - return -1; - - /* Then installed path. */ - snprintf(path_dir, PATH_MAX, "%s/tests", exec_path); - snprintf(path_perf, PATH_MAX, "%s/perf", BINDIR); - free(exec_path); - - if (!lstat(path_dir, &st) && - !lstat(path_perf, &st)) - return run_dir(path_dir, path_perf); - - return TEST_SKIP; -} - -DEFINE_SUITE("Setup struct perf_event_attr", attr); diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c index 79a980b1e786..c5e7999f2817 100644 --- a/tools/perf/tests/backward-ring-buffer.c +++ b/tools/perf/tests/backward-ring-buffer.c @@ -91,7 +91,6 @@ static int test__backward_ring_buffer(struct test_suite *test __maybe_unused, in struct parse_events_error parse_error; struct record_opts opts = { .target = { - .uid = UINT_MAX, .uses_mmap = true, }, .freq = 0, diff --git a/tools/perf/tests/bitmap.c b/tools/perf/tests/bitmap.c index 0173f5402a35..98956e0e0765 100644 --- a/tools/perf/tests/bitmap.c +++ b/tools/perf/tests/bitmap.c @@ -11,18 +11,19 @@ static unsigned long *get_bitmap(const char *str, int nbits) { struct perf_cpu_map *map = perf_cpu_map__new(str); - unsigned long *bm = NULL; - int i; + unsigned long *bm; bm = bitmap_zalloc(nbits); if (map && bm) { - for (i = 0; i < perf_cpu_map__nr(map); i++) - __set_bit(perf_cpu_map__cpu(map, i).cpu, bm); + int i; + struct perf_cpu cpu; + + perf_cpu_map__for_each_cpu(cpu, i, map) + __set_bit(cpu.cpu, bm); } - if (map) - perf_cpu_map__put(map); + perf_cpu_map__put(map); return bm; } diff --git a/tools/perf/tests/bp_account.c b/tools/perf/tests/bp_account.c index 6f921db33cf9..047433c977bc 100644 --- a/tools/perf/tests/bp_account.c +++ b/tools/perf/tests/bp_account.c @@ -16,6 +16,7 @@ #include "tests.h" #include "debug.h" #include "event.h" +#include "parse-events.h" #include "../perf-sys.h" #include "cloexec.h" @@ -50,7 +51,7 @@ static int __event(bool is_x, void *addr, struct perf_event_attr *attr) attr->config = 0; attr->bp_type = is_x ? HW_BREAKPOINT_X : HW_BREAKPOINT_W; attr->bp_addr = (unsigned long) addr; - attr->bp_len = sizeof(long); + attr->bp_len = is_x ? default_breakpoint_len() : sizeof(long); attr->sample_period = 1; attr->sample_type = PERF_SAMPLE_IP; @@ -92,6 +93,7 @@ static int bp_accounting(int wp_cnt, int share) attr_mod = attr; attr_mod.bp_type = HW_BREAKPOINT_X; attr_mod.bp_addr = (unsigned long) test_function; + attr_mod.bp_len = default_breakpoint_len(); ret = ioctl(fd[0], PERF_EVENT_IOC_MODIFY_ATTRIBUTES, &attr_mod); TEST_ASSERT_VAL("failed to modify wp\n", ret == 0); @@ -102,6 +104,7 @@ static int bp_accounting(int wp_cnt, int share) fd_wp = wp_event((void *)&the_var, &attr_new); TEST_ASSERT_VAL("failed to create max wp\n", fd_wp != -1); pr_debug("wp max created\n"); + close(fd_wp); } for (i = 0; i < wp_cnt; i++) diff --git a/tools/perf/tests/bp_signal.c b/tools/perf/tests/bp_signal.c index 1f2908f02389..3faeb5b6fe0b 100644 --- a/tools/perf/tests/bp_signal.c +++ b/tools/perf/tests/bp_signal.c @@ -26,6 +26,7 @@ #include "tests.h" #include "debug.h" #include "event.h" +#include "parse-events.h" #include "perf-sys.h" #include "cloexec.h" @@ -111,7 +112,7 @@ static int __event(bool is_x, void *addr, int sig) pe.config = 0; pe.bp_type = is_x ? HW_BREAKPOINT_X : HW_BREAKPOINT_W; pe.bp_addr = (unsigned long) addr; - pe.bp_len = sizeof(long); + pe.bp_len = is_x ? default_breakpoint_len() : sizeof(long); pe.sample_period = 1; pe.sample_type = PERF_SAMPLE_IP; diff --git a/tools/perf/tests/bp_signal_overflow.c b/tools/perf/tests/bp_signal_overflow.c index 4e897c2cf26b..ee560e156be6 100644 --- a/tools/perf/tests/bp_signal_overflow.c +++ b/tools/perf/tests/bp_signal_overflow.c @@ -25,6 +25,7 @@ #include "tests.h" #include "debug.h" #include "event.h" +#include "parse-events.h" #include "../perf-sys.h" #include "cloexec.h" @@ -88,7 +89,7 @@ static int test__bp_signal_overflow(struct test_suite *test __maybe_unused, int pe.config = 0; pe.bp_type = HW_BREAKPOINT_X; pe.bp_addr = (unsigned long) test_function; - pe.bp_len = sizeof(long); + pe.bp_len = default_breakpoint_len(); pe.sample_period = THRESHOLD; pe.sample_type = PERF_SAMPLE_IP; diff --git a/tools/perf/tests/bpf-script-example.c b/tools/perf/tests/bpf-script-example.c deleted file mode 100644 index 7981c69ed1b4..000000000000 --- a/tools/perf/tests/bpf-script-example.c +++ /dev/null @@ -1,60 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * bpf-script-example.c - * Test basic LLVM building - */ -#ifndef LINUX_VERSION_CODE -# error Need LINUX_VERSION_CODE -# error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig' -#endif -#define BPF_ANY 0 -#define BPF_MAP_TYPE_ARRAY 2 -#define BPF_FUNC_map_lookup_elem 1 -#define BPF_FUNC_map_update_elem 2 - -static void *(*bpf_map_lookup_elem)(void *map, void *key) = - (void *) BPF_FUNC_map_lookup_elem; -static void *(*bpf_map_update_elem)(void *map, void *key, void *value, int flags) = - (void *) BPF_FUNC_map_update_elem; - -/* - * Following macros are taken from tools/lib/bpf/bpf_helpers.h, - * and are used to create BTF defined maps. It is easier to take - * 2 simple macros, than being able to include above header in - * runtime. - * - * __uint - defines integer attribute of BTF map definition, - * Such attributes are represented using a pointer to an array, - * in which dimensionality of array encodes specified integer - * value. - * - * __type - defines pointer variable with typeof(val) type for - * attributes like key or value, which will be defined by the - * size of the type. - */ -#define __uint(name, val) int (*name)[val] -#define __type(name, val) typeof(val) *name - -#define SEC(NAME) __attribute__((section(NAME), used)) -struct { - __uint(type, BPF_MAP_TYPE_ARRAY); - __uint(max_entries, 1); - __type(key, int); - __type(value, int); -} flip_table SEC(".maps"); - -SEC("func=do_epoll_wait") -int bpf_func__SyS_epoll_pwait(void *ctx) -{ - int ind =0; - int *flag = bpf_map_lookup_elem(&flip_table, &ind); - int new_flag; - if (!flag) - return 0; - /* flip flag and store back */ - new_flag = !*flag; - bpf_map_update_elem(&flip_table, &ind, &new_flag, BPF_ANY); - return new_flag; -} -char _license[] SEC("license") = "GPL"; -int _version SEC("version") = LINUX_VERSION_CODE; diff --git a/tools/perf/tests/bpf-script-test-kbuild.c b/tools/perf/tests/bpf-script-test-kbuild.c deleted file mode 100644 index 219673aa278f..000000000000 --- a/tools/perf/tests/bpf-script-test-kbuild.c +++ /dev/null @@ -1,21 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * bpf-script-test-kbuild.c - * Test include from kernel header - */ -#ifndef LINUX_VERSION_CODE -# error Need LINUX_VERSION_CODE -# error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig' -#endif -#define SEC(NAME) __attribute__((section(NAME), used)) - -#include <uapi/linux/fs.h> - -SEC("func=vfs_llseek") -int bpf_func__vfs_llseek(void *ctx) -{ - return 0; -} - -char _license[] SEC("license") = "GPL"; -int _version SEC("version") = LINUX_VERSION_CODE; diff --git a/tools/perf/tests/bpf-script-test-prologue.c b/tools/perf/tests/bpf-script-test-prologue.c deleted file mode 100644 index 91778b5c6125..000000000000 --- a/tools/perf/tests/bpf-script-test-prologue.c +++ /dev/null @@ -1,49 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * bpf-script-test-prologue.c - * Test BPF prologue - */ -#ifndef LINUX_VERSION_CODE -# error Need LINUX_VERSION_CODE -# error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig' -#endif -#define SEC(NAME) __attribute__((section(NAME), used)) - -#include <uapi/linux/fs.h> - -/* - * If CONFIG_PROFILE_ALL_BRANCHES is selected, - * 'if' is redefined after include kernel header. - * Recover 'if' for BPF object code. - */ -#ifdef if -# undef if -#endif - -typedef unsigned int __bitwise fmode_t; - -#define FMODE_READ 0x1 -#define FMODE_WRITE 0x2 - -static void (*bpf_trace_printk)(const char *fmt, int fmt_size, ...) = - (void *) 6; - -SEC("func=null_lseek file->f_mode offset orig") -int bpf_func__null_lseek(void *ctx, int err, unsigned long _f_mode, - unsigned long offset, unsigned long orig) -{ - fmode_t f_mode = (fmode_t)_f_mode; - - if (err) - return 0; - if (f_mode & FMODE_WRITE) - return 0; - if (offset & 1) - return 0; - if (orig == SEEK_CUR) - return 0; - return 1; -} - -char _license[] SEC("license") = "GPL"; -int _version SEC("version") = LINUX_VERSION_CODE; diff --git a/tools/perf/tests/bpf-script-test-relocation.c b/tools/perf/tests/bpf-script-test-relocation.c deleted file mode 100644 index 74006e4b2d24..000000000000 --- a/tools/perf/tests/bpf-script-test-relocation.c +++ /dev/null @@ -1,51 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * bpf-script-test-relocation.c - * Test BPF loader checking relocation - */ -#ifndef LINUX_VERSION_CODE -# error Need LINUX_VERSION_CODE -# error Example: for 4.2 kernel, put 'clang-opt="-DLINUX_VERSION_CODE=0x40200" into llvm section of ~/.perfconfig' -#endif -#define BPF_ANY 0 -#define BPF_MAP_TYPE_ARRAY 2 -#define BPF_FUNC_map_lookup_elem 1 -#define BPF_FUNC_map_update_elem 2 - -static void *(*bpf_map_lookup_elem)(void *map, void *key) = - (void *) BPF_FUNC_map_lookup_elem; -static void *(*bpf_map_update_elem)(void *map, void *key, void *value, int flags) = - (void *) BPF_FUNC_map_update_elem; - -struct bpf_map_def { - unsigned int type; - unsigned int key_size; - unsigned int value_size; - unsigned int max_entries; -}; - -#define SEC(NAME) __attribute__((section(NAME), used)) -struct bpf_map_def SEC("maps") my_table = { - .type = BPF_MAP_TYPE_ARRAY, - .key_size = sizeof(int), - .value_size = sizeof(int), - .max_entries = 1, -}; - -int this_is_a_global_val; - -SEC("func=sys_write") -int bpf_func__sys_write(void *ctx) -{ - int key = 0; - int value = 0; - - /* - * Incorrect relocation. Should not allow this program be - * loaded into kernel. - */ - bpf_map_update_elem(&this_is_a_global_val, &key, &value, 0); - return 0; -} -char _license[] SEC("license") = "GPL"; -int _version SEC("version") = LINUX_VERSION_CODE; diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c deleted file mode 100644 index 17c023823713..000000000000 --- a/tools/perf/tests/bpf.c +++ /dev/null @@ -1,386 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <errno.h> -#include <stdio.h> -#include <stdlib.h> -#include <sys/epoll.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <util/record.h> -#include <util/util.h> -#include <util/bpf-loader.h> -#include <util/evlist.h> -#include <linux/filter.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <api/fs/fs.h> -#include <perf/mmap.h> -#include "tests.h" -#include "llvm.h" -#include "debug.h" -#include "parse-events.h" -#include "util/mmap.h" -#define NR_ITERS 111 -#define PERF_TEST_BPF_PATH "/sys/fs/bpf/perf_test" - -#ifdef HAVE_LIBBPF_SUPPORT -#include <linux/bpf.h> -#include <bpf/bpf.h> - -static int epoll_pwait_loop(void) -{ - int i; - - /* Should fail NR_ITERS times */ - for (i = 0; i < NR_ITERS; i++) - epoll_pwait(-(i + 1), NULL, 0, 0, NULL); - return 0; -} - -#ifdef HAVE_BPF_PROLOGUE - -static int llseek_loop(void) -{ - int fds[2], i; - - fds[0] = open("/dev/null", O_RDONLY); - fds[1] = open("/dev/null", O_RDWR); - - if (fds[0] < 0 || fds[1] < 0) - return -1; - - for (i = 0; i < NR_ITERS; i++) { - lseek(fds[i % 2], i, (i / 2) % 2 ? SEEK_CUR : SEEK_SET); - lseek(fds[(i + 1) % 2], i, (i / 2) % 2 ? SEEK_CUR : SEEK_SET); - } - close(fds[0]); - close(fds[1]); - return 0; -} - -#endif - -static struct { - enum test_llvm__testcase prog_id; - const char *name; - const char *msg_compile_fail; - const char *msg_load_fail; - int (*target_func)(void); - int expect_result; - bool pin; -} bpf_testcase_table[] = { - { - .prog_id = LLVM_TESTCASE_BASE, - .name = "[basic_bpf_test]", - .msg_compile_fail = "fix 'perf test LLVM' first", - .msg_load_fail = "load bpf object failed", - .target_func = &epoll_pwait_loop, - .expect_result = (NR_ITERS + 1) / 2, - }, - { - .prog_id = LLVM_TESTCASE_BASE, - .name = "[bpf_pinning]", - .msg_compile_fail = "fix kbuild first", - .msg_load_fail = "check your vmlinux setting?", - .target_func = &epoll_pwait_loop, - .expect_result = (NR_ITERS + 1) / 2, - .pin = true, - }, -#ifdef HAVE_BPF_PROLOGUE - { - .prog_id = LLVM_TESTCASE_BPF_PROLOGUE, - .name = "[bpf_prologue_test]", - .msg_compile_fail = "fix kbuild first", - .msg_load_fail = "check your vmlinux setting?", - .target_func = &llseek_loop, - .expect_result = (NR_ITERS + 1) / 4, - }, -#endif -}; - -static int do_test(struct bpf_object *obj, int (*func)(void), - int expect) -{ - struct record_opts opts = { - .target = { - .uid = UINT_MAX, - .uses_mmap = true, - }, - .freq = 0, - .mmap_pages = 256, - .default_interval = 1, - }; - - char pid[16]; - char sbuf[STRERR_BUFSIZE]; - struct evlist *evlist; - int i, ret = TEST_FAIL, err = 0, count = 0; - - struct parse_events_state parse_state; - struct parse_events_error parse_error; - - parse_events_error__init(&parse_error); - bzero(&parse_state, sizeof(parse_state)); - parse_state.error = &parse_error; - INIT_LIST_HEAD(&parse_state.list); - - err = parse_events_load_bpf_obj(&parse_state, &parse_state.list, obj, NULL); - parse_events_error__exit(&parse_error); - if (err || list_empty(&parse_state.list)) { - pr_debug("Failed to add events selected by BPF\n"); - return TEST_FAIL; - } - - snprintf(pid, sizeof(pid), "%d", getpid()); - pid[sizeof(pid) - 1] = '\0'; - opts.target.tid = opts.target.pid = pid; - - /* Instead of evlist__new_default, don't add default events */ - evlist = evlist__new(); - if (!evlist) { - pr_debug("Not enough memory to create evlist\n"); - return TEST_FAIL; - } - - err = evlist__create_maps(evlist, &opts.target); - if (err < 0) { - pr_debug("Not enough memory to create thread/cpu maps\n"); - goto out_delete_evlist; - } - - evlist__splice_list_tail(evlist, &parse_state.list); - evlist->core.nr_groups = parse_state.nr_groups; - - evlist__config(evlist, &opts, NULL); - - err = evlist__open(evlist); - if (err < 0) { - pr_debug("perf_evlist__open: %s\n", - str_error_r(errno, sbuf, sizeof(sbuf))); - goto out_delete_evlist; - } - - err = evlist__mmap(evlist, opts.mmap_pages); - if (err < 0) { - pr_debug("evlist__mmap: %s\n", - str_error_r(errno, sbuf, sizeof(sbuf))); - goto out_delete_evlist; - } - - evlist__enable(evlist); - (*func)(); - evlist__disable(evlist); - - for (i = 0; i < evlist->core.nr_mmaps; i++) { - union perf_event *event; - struct mmap *md; - - md = &evlist->mmap[i]; - if (perf_mmap__read_init(&md->core) < 0) - continue; - - while ((event = perf_mmap__read_event(&md->core)) != NULL) { - const u32 type = event->header.type; - - if (type == PERF_RECORD_SAMPLE) - count ++; - } - perf_mmap__read_done(&md->core); - } - - if (count != expect * evlist->core.nr_entries) { - pr_debug("BPF filter result incorrect, expected %d, got %d samples\n", expect * evlist->core.nr_entries, count); - goto out_delete_evlist; - } - - ret = TEST_OK; - -out_delete_evlist: - evlist__delete(evlist); - return ret; -} - -static struct bpf_object * -prepare_bpf(void *obj_buf, size_t obj_buf_sz, const char *name) -{ - struct bpf_object *obj; - - obj = bpf__prepare_load_buffer(obj_buf, obj_buf_sz, name); - if (IS_ERR(obj)) { - pr_debug("Compile BPF program failed.\n"); - return NULL; - } - return obj; -} - -static int __test__bpf(int idx) -{ - int ret; - void *obj_buf; - size_t obj_buf_sz; - struct bpf_object *obj; - - ret = test_llvm__fetch_bpf_obj(&obj_buf, &obj_buf_sz, - bpf_testcase_table[idx].prog_id, - false, NULL); - if (ret != TEST_OK || !obj_buf || !obj_buf_sz) { - pr_debug("Unable to get BPF object, %s\n", - bpf_testcase_table[idx].msg_compile_fail); - if ((idx == 0) || (ret == TEST_SKIP)) - return TEST_SKIP; - else - return TEST_FAIL; - } - - obj = prepare_bpf(obj_buf, obj_buf_sz, - bpf_testcase_table[idx].name); - if ((!!bpf_testcase_table[idx].target_func) != (!!obj)) { - if (!obj) - pr_debug("Fail to load BPF object: %s\n", - bpf_testcase_table[idx].msg_load_fail); - else - pr_debug("Success unexpectedly: %s\n", - bpf_testcase_table[idx].msg_load_fail); - ret = TEST_FAIL; - goto out; - } - - if (obj) { - ret = do_test(obj, - bpf_testcase_table[idx].target_func, - bpf_testcase_table[idx].expect_result); - if (ret != TEST_OK) - goto out; - if (bpf_testcase_table[idx].pin) { - int err; - - if (!bpf_fs__mount()) { - pr_debug("BPF filesystem not mounted\n"); - ret = TEST_FAIL; - goto out; - } - err = mkdir(PERF_TEST_BPF_PATH, 0777); - if (err && errno != EEXIST) { - pr_debug("Failed to make perf_test dir: %s\n", - strerror(errno)); - ret = TEST_FAIL; - goto out; - } - if (bpf_object__pin(obj, PERF_TEST_BPF_PATH)) - ret = TEST_FAIL; - if (rm_rf(PERF_TEST_BPF_PATH)) - ret = TEST_FAIL; - } - } - -out: - free(obj_buf); - bpf__clear(); - return ret; -} - -static int check_env(void) -{ - LIBBPF_OPTS(bpf_prog_load_opts, opts); - int err; - char license[] = "GPL"; - - struct bpf_insn insns[] = { - BPF_MOV64_IMM(BPF_REG_0, 1), - BPF_EXIT_INSN(), - }; - - err = fetch_kernel_version(&opts.kern_version, NULL, 0); - if (err) { - pr_debug("Unable to get kernel version\n"); - return err; - } - err = bpf_prog_load(BPF_PROG_TYPE_KPROBE, NULL, license, insns, - ARRAY_SIZE(insns), &opts); - if (err < 0) { - pr_err("Missing basic BPF support, skip this test: %s\n", - strerror(errno)); - return err; - } - close(err); - - return 0; -} - -static int test__bpf(int i) -{ - int err; - - if (i < 0 || i >= (int)ARRAY_SIZE(bpf_testcase_table)) - return TEST_FAIL; - - if (geteuid() != 0) { - pr_debug("Only root can run BPF test\n"); - return TEST_SKIP; - } - - if (check_env()) - return TEST_SKIP; - - err = __test__bpf(i); - return err; -} -#endif - -static int test__basic_bpf_test(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) -{ -#ifdef HAVE_LIBBPF_SUPPORT - return test__bpf(0); -#else - pr_debug("Skip BPF test because BPF support is not compiled\n"); - return TEST_SKIP; -#endif -} - -static int test__bpf_pinning(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) -{ -#ifdef HAVE_LIBBPF_SUPPORT - return test__bpf(1); -#else - pr_debug("Skip BPF test because BPF support is not compiled\n"); - return TEST_SKIP; -#endif -} - -static int test__bpf_prologue_test(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) -{ -#if defined(HAVE_LIBBPF_SUPPORT) && defined(HAVE_BPF_PROLOGUE) - return test__bpf(2); -#else - pr_debug("Skip BPF test because BPF support is not compiled\n"); - return TEST_SKIP; -#endif -} - - -static struct test_case bpf_tests[] = { -#ifdef HAVE_LIBBPF_SUPPORT - TEST_CASE("Basic BPF filtering", basic_bpf_test), - TEST_CASE_REASON("BPF pinning", bpf_pinning, - "clang isn't installed or environment missing BPF support"), -#ifdef HAVE_BPF_PROLOGUE - TEST_CASE_REASON("BPF prologue generation", bpf_prologue_test, - "clang isn't installed or environment missing BPF support"), -#else - TEST_CASE_REASON("BPF prologue generation", bpf_prologue_test, "not compiled in"), -#endif -#else - TEST_CASE_REASON("Basic BPF filtering", basic_bpf_test, "not compiled in"), - TEST_CASE_REASON("BPF pinning", bpf_pinning, "not compiled in"), - TEST_CASE_REASON("BPF prologue generation", bpf_prologue_test, "not compiled in"), -#endif - { .name = NULL, } -}; - -struct test_suite suite__bpf = { - .desc = "BPF filter", - .test_cases = bpf_tests, -}; diff --git a/tools/perf/tests/builtin-test-list.c b/tools/perf/tests/builtin-test-list.c deleted file mode 100644 index a65b9e547d82..000000000000 --- a/tools/perf/tests/builtin-test-list.c +++ /dev/null @@ -1,207 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#include <dirent.h> -#include <errno.h> -#include <fcntl.h> -#include <linux/ctype.h> -#include <linux/kernel.h> -#include <linux/string.h> -#include <linux/zalloc.h> -#include <string.h> -#include <stdlib.h> -#include <sys/types.h> -#include <unistd.h> -#include <subcmd/exec-cmd.h> -#include <subcmd/parse-options.h> -#include <sys/wait.h> -#include <sys/stat.h> -#include "builtin.h" -#include "builtin-test-list.h" -#include "color.h" -#include "debug.h" -#include "hist.h" -#include "intlist.h" -#include "string2.h" -#include "symbol.h" -#include "tests.h" -#include "util/rlimit.h" - - -/* - * As this is a singleton built once for the run of the process, there is - * no value in trying to free it and just let it stay around until process - * exits when it's cleaned up. - */ -static size_t files_num = 0; -static struct script_file *files = NULL; -static int files_max_width = 0; - -static const char *shell_tests__dir(char *path, size_t size) -{ - const char *devel_dirs[] = { "./tools/perf/tests", "./tests", }; - char *exec_path; - unsigned int i; - - for (i = 0; i < ARRAY_SIZE(devel_dirs); ++i) { - struct stat st; - - if (!lstat(devel_dirs[i], &st)) { - scnprintf(path, size, "%s/shell", devel_dirs[i]); - if (!lstat(devel_dirs[i], &st)) - return path; - } - } - - /* Then installed path. */ - exec_path = get_argv_exec_path(); - scnprintf(path, size, "%s/tests/shell", exec_path); - free(exec_path); - return path; -} - -static const char *shell_test__description(char *description, size_t size, - const char *path, const char *name) -{ - FILE *fp; - char filename[PATH_MAX]; - int ch; - - path__join(filename, sizeof(filename), path, name); - fp = fopen(filename, "r"); - if (!fp) - return NULL; - - /* Skip first line - should be #!/bin/sh Shebang */ - do { - ch = fgetc(fp); - } while (ch != EOF && ch != '\n'); - - description = fgets(description, size, fp); - fclose(fp); - - /* Assume first char on line is omment everything after that desc */ - return description ? strim(description + 1) : NULL; -} - -/* Is this full file path a shell script */ -static bool is_shell_script(const char *path) -{ - const char *ext; - - ext = strrchr(path, '.'); - if (!ext) - return false; - if (!strcmp(ext, ".sh")) { /* Has .sh extension */ - if (access(path, R_OK | X_OK) == 0) /* Is executable */ - return true; - } - return false; -} - -/* Is this file in this dir a shell script (for test purposes) */ -static bool is_test_script(const char *path, const char *name) -{ - char filename[PATH_MAX]; - - path__join(filename, sizeof(filename), path, name); - if (!is_shell_script(filename)) return false; - return true; -} - -/* Duplicate a string and fall over and die if we run out of memory */ -static char *strdup_check(const char *str) -{ - char *newstr; - - newstr = strdup(str); - if (!newstr) { - pr_err("Out of memory while duplicating test script string\n"); - abort(); - } - return newstr; -} - -static void append_script(const char *dir, const char *file, const char *desc) -{ - struct script_file *files_tmp; - size_t files_num_tmp; - int width; - - files_num_tmp = files_num + 1; - if (files_num_tmp >= SIZE_MAX) { - pr_err("Too many script files\n"); - abort(); - } - /* Realloc is good enough, though we could realloc by chunks, not that - * anyone will ever measure performance here */ - files_tmp = realloc(files, - (files_num_tmp + 1) * sizeof(struct script_file)); - if (files_tmp == NULL) { - pr_err("Out of memory while building test list\n"); - abort(); - } - /* Add file to end and NULL terminate the struct array */ - files = files_tmp; - files_num = files_num_tmp; - files[files_num - 1].dir = strdup_check(dir); - files[files_num - 1].file = strdup_check(file); - files[files_num - 1].desc = strdup_check(desc); - files[files_num].dir = NULL; - files[files_num].file = NULL; - files[files_num].desc = NULL; - - width = strlen(desc); /* Track max width of desc */ - if (width > files_max_width) - files_max_width = width; -} - -static void append_scripts_in_dir(const char *path) -{ - struct dirent **entlist; - struct dirent *ent; - int n_dirs, i; - char filename[PATH_MAX]; - - /* List files, sorted by alpha */ - n_dirs = scandir(path, &entlist, NULL, alphasort); - if (n_dirs == -1) - return; - for (i = 0; i < n_dirs && (ent = entlist[i]); i++) { - if (ent->d_name[0] == '.') - continue; /* Skip hidden files */ - if (is_test_script(path, ent->d_name)) { /* It's a test */ - char bf[256]; - const char *desc = shell_test__description - (bf, sizeof(bf), path, ent->d_name); - - if (desc) /* It has a desc line - valid script */ - append_script(path, ent->d_name, desc); - } else if (is_directory(path, ent)) { /* Scan the subdir */ - path__join(filename, sizeof(filename), - path, ent->d_name); - append_scripts_in_dir(filename); - } - } - for (i = 0; i < n_dirs; i++) /* Clean up */ - zfree(&entlist[i]); - free(entlist); -} - -const struct script_file *list_script_files(void) -{ - char path_dir[PATH_MAX]; - const char *path; - - if (files) - return files; /* Singleton - we already know our list */ - - path = shell_tests__dir(path_dir, sizeof(path_dir)); /* Walk dir */ - append_scripts_in_dir(path); - - return files; -} - -int list_script_max_width(void) -{ - list_script_files(); /* Ensure we have scanned all scripts */ - return files_max_width; -} diff --git a/tools/perf/tests/builtin-test-list.h b/tools/perf/tests/builtin-test-list.h deleted file mode 100644 index eb81f3aa6683..000000000000 --- a/tools/perf/tests/builtin-test-list.h +++ /dev/null @@ -1,12 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ - -struct script_file { - char *dir; - char *file; - char *desc; -}; - -/* List available script tests to run - singleton - never freed */ -const struct script_file *list_script_files(void); -/* Get maximum width of description string */ -int list_script_max_width(void); diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index cfa61493c750..bd6ffa8e4578 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -4,9 +4,15 @@ * * Builtin regression testing command: ever growing number of sanity tests */ +#include <ctype.h> #include <fcntl.h> #include <errno.h> +#ifdef HAVE_BACKTRACE_SUPPORT +#include <execinfo.h> +#endif +#include <poll.h> #include <unistd.h> +#include <setjmp.h> #include <string.h> #include <stdlib.h> #include <sys/types.h> @@ -14,52 +20,70 @@ #include <sys/wait.h> #include <sys/stat.h> #include "builtin.h" +#include "config.h" #include "hist.h" #include "intlist.h" #include "tests.h" #include "debug.h" #include "color.h" #include <subcmd/parse-options.h> +#include <subcmd/run-command.h> #include "string2.h" #include "symbol.h" #include "util/rlimit.h" +#include "util/strbuf.h" #include <linux/kernel.h> #include <linux/string.h> #include <subcmd/exec-cmd.h> #include <linux/zalloc.h> -#include "builtin-test-list.h" +#include "tests-scripts.h" +/* + * Command line option to not fork the test running in the same process and + * making them easier to debug. + */ static bool dont_fork; +/* Fork the tests in parallel and wait for their completion. */ +static bool sequential; +/* Number of times each test is run. */ +static unsigned int runs_per_test = 1; +const char *dso_to_test; +const char *test_objdump_path = "objdump"; -struct test_suite *__weak arch_tests[] = { +/* + * List of architecture specific tests. Not a weak symbol as the array length is + * dependent on the initialization, as such GCC with LTO complains of + * conflicting definitions with a weak symbol. + */ +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || defined(__powerpc64__) +extern struct test_suite *arch_tests[]; +#else +static struct test_suite *arch_tests[] = { NULL, }; +#endif static struct test_suite *generic_tests[] = { &suite__vmlinux_matches_kallsyms, -#ifdef HAVE_LIBTRACEEVENT &suite__openat_syscall_event, &suite__openat_syscall_event_on_all_cpus, &suite__basic_mmap, -#endif &suite__mem, &suite__parse_events, &suite__expr, &suite__PERF_RECORD, &suite__pmu, &suite__pmu_events, + &suite__hwmon_pmu, + &suite__tool_pmu, &suite__dso_data, - &suite__dso_data_cache, - &suite__dso_data_reopen, &suite__perf_evsel__roundtrip_name_test, #ifdef HAVE_LIBTRACEEVENT &suite__perf_evsel__tp_sched_test, &suite__syscall_openat_tp_fields, #endif - &suite__attr, &suite__hists_link, - &suite__python_use, &suite__bp_signal, &suite__bp_signal_overflow, &suite__bp_accounting, @@ -82,34 +106,30 @@ static struct test_suite *generic_tests[] = { &suite__fdarray__add, &suite__kmod_path__parse, &suite__thread_map, - &suite__llvm, &suite__session_topology, - &suite__bpf, &suite__thread_map_synthesize, &suite__thread_map_remove, - &suite__cpu_map_synthesize, + &suite__cpu_map, &suite__synthesize_stat_config, &suite__synthesize_stat, &suite__synthesize_stat_round, &suite__event_update, &suite__event_times, &suite__backward_ring_buffer, - &suite__cpu_map_print, - &suite__cpu_map_merge, &suite__sdt_event, &suite__is_printable_array, &suite__bitmap_print, &suite__perf_hooks, - &suite__clang, &suite__unit_number__scnprint, &suite__mem2node, &suite__time_utils, &suite__jit_write_elf, &suite__pfm, &suite__api_io, - &suite__maps__merge_in, + &suite__maps, &suite__demangle_java, &suite__demangle_ocaml, + &suite__demangle_rust, &suite__parse_metric, &suite__pe_file_parsing, &suite__expand_cgroup_events, @@ -117,14 +137,13 @@ static struct test_suite *generic_tests[] = { &suite__dlfilter, &suite__sigtrap, &suite__event_groups, + &suite__symbols, + &suite__util, + &suite__subcmd_help, + &suite__kallsyms_split, NULL, }; -static struct test_suite **tests[] = { - generic_tests, - arch_tests, -}; - static struct test_workload *workloads[] = { &workload__noploop, &workload__thloop, @@ -132,52 +151,123 @@ static struct test_workload *workloads[] = { &workload__sqrtloop, &workload__brstack, &workload__datasym, + &workload__landlock, + &workload__traploop, }; -static int num_subtests(const struct test_suite *t) +#define workloads__for_each(workload) \ + for (unsigned i = 0; i < ARRAY_SIZE(workloads) && ({ workload = workloads[i]; 1; }); i++) + +#define test_suite__for_each_test_case(suite, idx) \ + for (idx = 0; (suite)->test_cases && (suite)->test_cases[idx].name != NULL; idx++) + +static void close_parent_fds(void) { - int num; + DIR *dir = opendir("/proc/self/fd"); + struct dirent *ent; - if (!t->test_cases) - return 0; + while ((ent = readdir(dir))) { + char *end; + long fd; - num = 0; - while (t->test_cases[num].name) - num++; + if (ent->d_type != DT_LNK) + continue; - return num; + if (!isdigit(ent->d_name[0])) + continue; + + fd = strtol(ent->d_name, &end, 10); + if (*end) + continue; + + if (fd <= 3 || fd == dirfd(dir)) + continue; + + close(fd); + } + closedir(dir); } -static bool has_subtests(const struct test_suite *t) +static void check_leaks(void) { - return num_subtests(t) > 1; + DIR *dir = opendir("/proc/self/fd"); + struct dirent *ent; + int leaks = 0; + + while ((ent = readdir(dir))) { + char path[PATH_MAX]; + char *end; + long fd; + ssize_t len; + + if (ent->d_type != DT_LNK) + continue; + + if (!isdigit(ent->d_name[0])) + continue; + + fd = strtol(ent->d_name, &end, 10); + if (*end) + continue; + + if (fd <= 3 || fd == dirfd(dir)) + continue; + + leaks++; + len = readlinkat(dirfd(dir), ent->d_name, path, sizeof(path)); + if (len > 0 && (size_t)len < sizeof(path)) + path[len] = '\0'; + else + strncpy(path, ent->d_name, sizeof(path)); + pr_err("Leak of file descriptor %s that opened: '%s'\n", ent->d_name, path); + } + closedir(dir); + if (leaks) + abort(); +} + +static int test_suite__num_test_cases(const struct test_suite *t) +{ + int num; + + test_suite__for_each_test_case(t, num); + + return num; } -static const char *skip_reason(const struct test_suite *t, int subtest) +static const char *skip_reason(const struct test_suite *t, int test_case) { if (!t->test_cases) return NULL; - return t->test_cases[subtest >= 0 ? subtest : 0].skip_reason; + return t->test_cases[test_case >= 0 ? test_case : 0].skip_reason; } -static const char *test_description(const struct test_suite *t, int subtest) +static const char *test_description(const struct test_suite *t, int test_case) { - if (t->test_cases && subtest >= 0) - return t->test_cases[subtest].desc; + if (t->test_cases && test_case >= 0) + return t->test_cases[test_case].desc; return t->desc; } -static test_fnptr test_function(const struct test_suite *t, int subtest) +static test_fnptr test_function(const struct test_suite *t, int test_case) { - if (subtest <= 0) + if (test_case <= 0) return t->test_cases[0].run_case; - return t->test_cases[subtest].run_case; + return t->test_cases[test_case].run_case; +} + +static bool test_exclusive(const struct test_suite *t, int test_case) +{ + if (test_case <= 0) + return t->test_cases[0].exclusive; + + return t->test_cases[test_case].exclusive; } -static bool perf_test__matches(const char *desc, int curr, int argc, const char *argv[]) +static bool perf_test__matches(const char *desc, int suite_num, int argc, const char *argv[]) { int i; @@ -189,7 +279,7 @@ static bool perf_test__matches(const char *desc, int curr, int argc, const char long nr = strtoul(argv[i], &end, 10); if (*end == '\0') { - if (nr == curr + 1) + if (nr == suite_num + 1) return true; continue; } @@ -201,81 +291,85 @@ static bool perf_test__matches(const char *desc, int curr, int argc, const char return false; } -static int run_test(struct test_suite *test, int subtest) -{ - int status, err = -1, child = dont_fork ? 0 : fork(); - char sbuf[STRERR_BUFSIZE]; +struct child_test { + struct child_process process; + struct test_suite *test; + int suite_num; + int test_case_num; +}; - if (child < 0) { - pr_err("failed to fork test: %s\n", - str_error_r(errno, sbuf, sizeof(sbuf))); - return -1; - } +static jmp_buf run_test_jmp_buf; - if (!child) { - if (!dont_fork) { - pr_debug("test child forked, pid %d\n", getpid()); +static void child_test_sig_handler(int sig) +{ +#ifdef HAVE_BACKTRACE_SUPPORT + void *stackdump[32]; + size_t stackdump_size; +#endif - if (verbose <= 0) { - int nullfd = open("/dev/null", O_WRONLY); + fprintf(stderr, "\n---- unexpected signal (%d) ----\n", sig); +#ifdef HAVE_BACKTRACE_SUPPORT + stackdump_size = backtrace(stackdump, ARRAY_SIZE(stackdump)); + __dump_stack(stderr, stackdump, stackdump_size); +#endif + siglongjmp(run_test_jmp_buf, sig); +} - if (nullfd >= 0) { - close(STDERR_FILENO); - close(STDOUT_FILENO); +static int run_test_child(struct child_process *process) +{ + const int signals[] = { + SIGABRT, SIGBUS, SIGFPE, SIGILL, SIGINT, SIGPIPE, SIGQUIT, SIGSEGV, SIGTERM, + }; + struct child_test *child = container_of(process, struct child_test, process); + int err; - dup2(nullfd, STDOUT_FILENO); - dup2(STDOUT_FILENO, STDERR_FILENO); - close(nullfd); - } - } else { - signal(SIGSEGV, sighandler_dump_stack); - signal(SIGFPE, sighandler_dump_stack); - } - } + close_parent_fds(); - err = test_function(test, subtest)(test, subtest); - if (!dont_fork) - exit(err); + err = sigsetjmp(run_test_jmp_buf, 1); + if (err) { + /* Received signal. */ + err = err > 0 ? -err : -1; + goto err_out; } - if (!dont_fork) { - wait(&status); + for (size_t i = 0; i < ARRAY_SIZE(signals); i++) + signal(signals[i], child_test_sig_handler); - if (WIFEXITED(status)) { - err = (signed char)WEXITSTATUS(status); - pr_debug("test child finished with %d\n", err); - } else if (WIFSIGNALED(status)) { - err = -1; - pr_debug("test child interrupted\n"); - } - } + pr_debug("--- start ---\n"); + pr_debug("test child forked, pid %d\n", getpid()); + err = test_function(child->test, child->test_case_num)(child->test, child->test_case_num); + pr_debug("---- end(%d) ----\n", err); - return err; + check_leaks(); +err_out: + fflush(NULL); + for (size_t i = 0; i < ARRAY_SIZE(signals); i++) + signal(signals[i], SIG_DFL); + return -err; } -#define for_each_test(j, k, t) \ - for (j = 0; j < ARRAY_SIZE(tests); j++) \ - for (k = 0, t = tests[j][k]; tests[j][k]; k++, t = tests[j][k]) +#define TEST_RUNNING -3 -static int test_and_print(struct test_suite *t, int subtest) +static int print_test_result(struct test_suite *t, int curr_suite, int curr_test_case, + int result, int width, int running) { - int err; - - pr_debug("\n--- start ---\n"); - err = run_test(t, subtest); - pr_debug("---- end ----\n"); + if (test_suite__num_test_cases(t) > 1) { + int subw = width > 2 ? width - 2 : width; - if (!has_subtests(t)) - pr_debug("%s:", t->desc); - else - pr_debug("%s subtest %d:", t->desc, subtest + 1); + pr_info("%3d.%1d: %-*s:", curr_suite + 1, curr_test_case + 1, subw, + test_description(t, curr_test_case)); + } else + pr_info("%3d: %-*s:", curr_suite + 1, width, test_description(t, curr_test_case)); - switch (err) { + switch (result) { + case TEST_RUNNING: + color_fprintf(stderr, PERF_COLOR_YELLOW, " Running (%d active)\n", running); + break; case TEST_OK: pr_info(" Ok\n"); break; case TEST_SKIP: { - const char *reason = skip_reason(t, subtest); + const char *reason = skip_reason(t, curr_test_case); if (reason) color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (%s)\n", reason); @@ -289,215 +383,333 @@ static int test_and_print(struct test_suite *t, int subtest) break; } - return err; + return 0; } -struct shell_test { - const char *dir; - const char *file; -}; - -static int shell_test__run(struct test_suite *test, int subdir __maybe_unused) +static void finish_test(struct child_test **child_tests, int running_test, int child_test_num, + int width) { - int err; - char script[PATH_MAX]; - struct shell_test *st = test->priv; - - path__join(script, sizeof(script) - 3, st->dir, st->file); + struct child_test *child_test = child_tests[running_test]; + struct test_suite *t; + int curr_suite, curr_test_case, err; + bool err_done = false; + struct strbuf err_output = STRBUF_INIT; + int last_running = -1; + int ret; + + if (child_test == NULL) { + /* Test wasn't started. */ + return; + } + t = child_test->test; + curr_suite = child_test->suite_num; + curr_test_case = child_test->test_case_num; + err = child_test->process.err; + /* + * For test suites with subtests, display the suite name ahead of the + * sub test names. + */ + if (test_suite__num_test_cases(t) > 1 && curr_test_case == 0) + pr_info("%3d: %-*s:\n", curr_suite + 1, width, test_description(t, -1)); - if (verbose > 0) - strncat(script, " -v", sizeof(script) - strlen(script) - 1); + /* + * Busy loop reading from the child's stdout/stderr that are set to be + * non-blocking until EOF. + */ + if (err > 0) + fcntl(err, F_SETFL, O_NONBLOCK); + if (verbose > 1) { + if (test_suite__num_test_cases(t) > 1) + pr_info("%3d.%1d: %s:\n", curr_suite + 1, curr_test_case + 1, + test_description(t, curr_test_case)); + else + pr_info("%3d: %s:\n", curr_suite + 1, test_description(t, -1)); + } + while (!err_done) { + struct pollfd pfds[1] = { + { .fd = err, + .events = POLLIN | POLLERR | POLLHUP | POLLNVAL, + }, + }; + if (perf_use_color_default) { + int running = 0; - err = system(script); - if (!err) - return TEST_OK; + for (int y = running_test; y < child_test_num; y++) { + if (child_tests[y] == NULL) + continue; + if (check_if_command_finished(&child_tests[y]->process) == 0) + running++; + } + if (running != last_running) { + if (last_running != -1) { + /* + * Erase "Running (.. active)" line + * printed before poll/sleep. + */ + fprintf(debug_file(), PERF_COLOR_DELETE_LINE); + } + print_test_result(t, curr_suite, curr_test_case, TEST_RUNNING, + width, running); + last_running = running; + } + } - return WEXITSTATUS(err) == 2 ? TEST_SKIP : TEST_FAIL; + err_done = true; + if (err <= 0) { + /* No child stderr to poll, sleep for 10ms for child to complete. */ + usleep(10 * 1000); + } else { + /* Poll to avoid excessive spinning, timeout set for 100ms. */ + poll(pfds, ARRAY_SIZE(pfds), /*timeout=*/100); + if (pfds[0].revents) { + char buf[512]; + ssize_t len; + + len = read(err, buf, sizeof(buf) - 1); + + if (len > 0) { + err_done = false; + buf[len] = '\0'; + strbuf_addstr(&err_output, buf); + } + } + } + if (err_done) + err_done = check_if_command_finished(&child_test->process); + } + if (perf_use_color_default && last_running != -1) { + /* Erase "Running (.. active)" line printed before poll/sleep. */ + fprintf(debug_file(), PERF_COLOR_DELETE_LINE); + } + /* Clean up child process. */ + ret = finish_command(&child_test->process); + if (verbose > 1 || (verbose == 1 && ret == TEST_FAIL)) + fprintf(stderr, "%s", err_output.buf); + + strbuf_release(&err_output); + print_test_result(t, curr_suite, curr_test_case, ret, width, /*running=*/0); + if (err > 0) + close(err); + zfree(&child_tests[running_test]); } -static int run_shell_tests(int argc, const char *argv[], int i, int width, - struct intlist *skiplist) +static int start_test(struct test_suite *test, int curr_suite, int curr_test_case, + struct child_test **child, int width, int pass) { - struct shell_test st; - const struct script_file *files, *file; + int err; - files = list_script_files(); - if (!files) + *child = NULL; + if (dont_fork) { + if (pass == 1) { + pr_debug("--- start ---\n"); + err = test_function(test, curr_test_case)(test, curr_test_case); + pr_debug("---- end ----\n"); + print_test_result(test, curr_suite, curr_test_case, err, width, + /*running=*/0); + } return 0; - for (file = files; file->dir; file++) { - int curr = i++; - struct test_case test_cases[] = { - { - .desc = file->desc, - .run_case = shell_test__run, - }, - { .name = NULL, } - }; - struct test_suite test_suite = { - .desc = test_cases[0].desc, - .test_cases = test_cases, - .priv = &st, - }; - st.dir = file->dir; - - if (test_suite.desc == NULL || - !perf_test__matches(test_suite.desc, curr, argc, argv)) - continue; + } + if (pass == 1 && !sequential && test_exclusive(test, curr_test_case)) { + /* When parallel, skip exclusive tests on the first pass. */ + return 0; + } + if (pass != 1 && (sequential || !test_exclusive(test, curr_test_case))) { + /* Sequential and non-exclusive tests were run on the first pass. */ + return 0; + } + *child = zalloc(sizeof(**child)); + if (!*child) + return -ENOMEM; + + (*child)->test = test; + (*child)->suite_num = curr_suite; + (*child)->test_case_num = curr_test_case; + (*child)->process.pid = -1; + (*child)->process.no_stdin = 1; + if (verbose <= 0) { + (*child)->process.no_stdout = 1; + (*child)->process.no_stderr = 1; + } else { + (*child)->process.stdout_to_stderr = 1; + (*child)->process.out = -1; + (*child)->process.err = -1; + } + (*child)->process.no_exec_cmd = run_test_child; + if (sequential || pass == 2) { + err = start_command(&(*child)->process); + if (err) + return err; + finish_test(child, /*running_test=*/0, /*child_test_num=*/1, width); + return 0; + } + return start_command(&(*child)->process); +} - st.file = file->file; - pr_info("%3d: %-*s:", i, width, test_suite.desc); +/* State outside of __cmd_test for the sake of the signal handler. */ - if (intlist__find(skiplist, i)) { - color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n"); - continue; - } +static size_t num_tests; +static struct child_test **child_tests; +static jmp_buf cmd_test_jmp_buf; - test_and_print(&test_suite, 0); - } - return 0; +static void cmd_test_sig_handler(int sig) +{ + siglongjmp(cmd_test_jmp_buf, sig); } -static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist) +static int __cmd_test(struct test_suite **suites, int argc, const char *argv[], + struct intlist *skiplist) { - struct test_suite *t; - unsigned int j, k; - int i = 0; - int width = list_script_max_width(); + static int width = 0; + int err = 0; - for_each_test(j, k, t) { - int len = strlen(test_description(t, -1)); + for (struct test_suite **t = suites; *t; t++) { + int i, len = strlen(test_description(*t, -1)); if (width < len) width = len; - } - - for_each_test(j, k, t) { - int curr = i++; - int subi; - if (!perf_test__matches(test_description(t, -1), curr, argc, argv)) { - bool skip = true; - int subn; - - subn = num_subtests(t); - - for (subi = 0; subi < subn; subi++) { - if (perf_test__matches(test_description(t, subi), - curr, argc, argv)) - skip = false; - } - - if (skip) - continue; + test_suite__for_each_test_case(*t, i) { + len = strlen(test_description(*t, i)); + if (width < len) + width = len; + num_tests += runs_per_test; } + } + child_tests = calloc(num_tests, sizeof(*child_tests)); + if (!child_tests) + return -ENOMEM; + + err = sigsetjmp(cmd_test_jmp_buf, 1); + if (err) { + pr_err("\nSignal (%d) while running tests.\nTerminating tests with the same signal\n", + err); + for (size_t x = 0; x < num_tests; x++) { + struct child_test *child_test = child_tests[x]; + + if (!child_test || child_test->process.pid <= 0) + continue; - pr_info("%3d: %-*s:", i, width, test_description(t, -1)); - - if (intlist__find(skiplist, i)) { - color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n"); - continue; + pr_debug3("Killing %d pid %d\n", + child_test->suite_num + 1, + child_test->process.pid); + kill(child_test->process.pid, err); } + goto err_out; + } + signal(SIGINT, cmd_test_sig_handler); + signal(SIGTERM, cmd_test_sig_handler); - if (!has_subtests(t)) { - test_and_print(t, -1); - } else { - int subn = num_subtests(t); - /* - * minus 2 to align with normal testcases. - * For subtest we print additional '.x' in number. - * for example: - * - * 35: Test LLVM searching and compiling : - * 35.1: Basic BPF llvm compiling test : Ok - */ - int subw = width > 2 ? width - 2 : width; - - if (subn <= 0) { - color_fprintf(stderr, PERF_COLOR_YELLOW, - " Skip (not compiled in)\n"); - continue; + /* + * In parallel mode pass 1 runs non-exclusive tests in parallel, pass 2 + * runs the exclusive tests sequentially. In other modes all tests are + * run in pass 1. + */ + for (int pass = 1; pass <= 2; pass++) { + int child_test_num = 0; + int curr_suite = 0; + + for (struct test_suite **t = suites; *t; t++, curr_suite++) { + int curr_test_case; + bool suite_matched = false; + + if (!perf_test__matches(test_description(*t, -1), curr_suite, argc, argv)) { + /* + * Test suite shouldn't be run based on + * description. See if any test case should. + */ + bool skip = true; + + test_suite__for_each_test_case(*t, curr_test_case) { + if (perf_test__matches(test_description(*t, curr_test_case), + curr_suite, argc, argv)) { + skip = false; + break; + } + } + if (skip) + continue; + } else { + suite_matched = true; } - pr_info("\n"); - - for (subi = 0; subi < subn; subi++) { - int len = strlen(test_description(t, subi)); - if (subw < len) - subw = len; + if (intlist__find(skiplist, curr_suite + 1)) { + pr_info("%3d: %-*s:", curr_suite + 1, width, + test_description(*t, -1)); + color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n"); + continue; } - for (subi = 0; subi < subn; subi++) { - if (!perf_test__matches(test_description(t, subi), - curr, argc, argv)) - continue; - - pr_info("%3d.%1d: %-*s:", i, subi + 1, subw, - test_description(t, subi)); - test_and_print(t, subi); + for (unsigned int run = 0; run < runs_per_test; run++) { + test_suite__for_each_test_case(*t, curr_test_case) { + if (!suite_matched && + !perf_test__matches(test_description(*t, curr_test_case), + curr_suite, argc, argv)) + continue; + err = start_test(*t, curr_suite, curr_test_case, + &child_tests[child_test_num++], + width, pass); + if (err) + goto err_out; + } } } + if (!sequential) { + /* Parallel mode starts tests but doesn't finish them. Do that now. */ + for (size_t x = 0; x < num_tests; x++) + finish_test(child_tests, x, num_tests, width); + } } - - return run_shell_tests(argc, argv, i, width, skiplist); -} - -static int perf_test__list_shell(int argc, const char **argv, int i) -{ - const struct script_file *files, *file; - - files = list_script_files(); - if (!files) - return 0; - for (file = files; file->dir; file++) { - int curr = i++; - struct test_suite t = { - .desc = file->desc - }; - - if (!perf_test__matches(t.desc, curr, argc, argv)) - continue; - - pr_info("%3d: %s\n", i, t.desc); +err_out: + signal(SIGINT, SIG_DFL); + signal(SIGTERM, SIG_DFL); + if (err) { + pr_err("Internal test harness failure. Completing any started tests:\n:"); + for (size_t x = 0; x < num_tests; x++) + finish_test(child_tests, x, num_tests, width); } - return 0; + free(child_tests); + return err; } -static int perf_test__list(int argc, const char **argv) +static int perf_test__list(FILE *fp, struct test_suite **suites, int argc, const char **argv) { - unsigned int j, k; - struct test_suite *t; - int i = 0; + int curr_suite = 0; - for_each_test(j, k, t) { - int curr = i++; + for (struct test_suite **t = suites; *t; t++, curr_suite++) { + int curr_test_case; - if (!perf_test__matches(test_description(t, -1), curr, argc, argv)) + if (!perf_test__matches(test_description(*t, -1), curr_suite, argc, argv)) continue; - pr_info("%3d: %s\n", i, test_description(t, -1)); + fprintf(fp, "%3d: %s\n", curr_suite + 1, test_description(*t, -1)); - if (has_subtests(t)) { - int subn = num_subtests(t); - int subi; + if (test_suite__num_test_cases(*t) <= 1) + continue; - for (subi = 0; subi < subn; subi++) - pr_info("%3d:%1d: %s\n", i, subi + 1, - test_description(t, subi)); + test_suite__for_each_test_case(*t, curr_test_case) { + fprintf(fp, "%3d.%1d: %s\n", curr_suite + 1, curr_test_case + 1, + test_description(*t, curr_test_case)); } } + return 0; +} - perf_test__list_shell(argc, argv, i); +static int workloads__fprintf_list(FILE *fp) +{ + struct test_workload *twl; + int printed = 0; - return 0; + workloads__for_each(twl) + printed += fprintf(fp, "%s\n", twl->name); + + return printed; } static int run_workload(const char *work, int argc, const char **argv) { - unsigned int i = 0; struct test_workload *twl; - for (i = 0; i < ARRAY_SIZE(workloads); i++) { - twl = workloads[i]; + workloads__for_each(twl) { if (!strcmp(twl->name, work)) return twl->func(argc, argv); } @@ -506,6 +718,61 @@ static int run_workload(const char *work, int argc, const char **argv) return -1; } +static int perf_test__config(const char *var, const char *value, + void *data __maybe_unused) +{ + if (!strcmp(var, "annotate.objdump")) + test_objdump_path = value; + + return 0; +} + +static struct test_suite **build_suites(void) +{ + /* + * TODO: suites is static to avoid needing to clean up the scripts tests + * for leak sanitizer. + */ + static struct test_suite **suites[] = { + generic_tests, + arch_tests, + NULL, + }; + struct test_suite **result; + struct test_suite *t; + size_t n = 0, num_suites = 0; + + if (suites[2] == NULL) + suites[2] = create_script_test_suites(); + +#define for_each_suite(suite) \ + for (size_t i = 0, j = 0; i < ARRAY_SIZE(suites); i++, j = 0) \ + while ((suite = suites[i][j++]) != NULL) + + for_each_suite(t) + num_suites++; + + result = calloc(num_suites + 1, sizeof(struct test_suite *)); + + for (int pass = 1; pass <= 2; pass++) { + for_each_suite(t) { + bool exclusive = false; + int curr_test_case; + + test_suite__for_each_test_case(t, curr_test_case) { + if (test_exclusive(t, curr_test_case)) { + exclusive = true; + break; + } + } + if ((!exclusive && pass == 1) || (exclusive && pass == 2)) + result[n++] = t; + } + } + return result; +#undef for_each_suite +} + int cmd_test(int argc, const char **argv) { const char *test_usage[] = { @@ -514,36 +781,60 @@ int cmd_test(int argc, const char **argv) }; const char *skip = NULL; const char *workload = NULL; + bool list_workloads = false; const struct option test_options[] = { OPT_STRING('s', "skip", &skip, "tests", "tests to skip"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), OPT_BOOLEAN('F', "dont-fork", &dont_fork, "Do not fork for testcase"), - OPT_STRING('w', "workload", &workload, "work", "workload to run for testing"), + OPT_BOOLEAN('S', "sequential", &sequential, + "Run the tests one after another rather than in parallel"), + OPT_UINTEGER('r', "runs-per-test", &runs_per_test, + "Run each test the given number of times, default 1"), + OPT_STRING('w', "workload", &workload, "work", "workload to run for testing, use '--list-workloads' to list the available ones."), + OPT_BOOLEAN(0, "list-workloads", &list_workloads, "List the available builtin workloads to use with -w/--workload"), + OPT_STRING(0, "dso", &dso_to_test, "dso", "dso to test"), + OPT_STRING(0, "objdump", &test_objdump_path, "path", + "objdump binary to use for disassembly and annotations"), OPT_END() }; const char * const test_subcommands[] = { "list", NULL }; struct intlist *skiplist = NULL; int ret = hists__init(); + struct test_suite **suites; if (ret < 0) return ret; + perf_config(perf_test__config, NULL); + /* Unbuffered output */ setvbuf(stdout, NULL, _IONBF, 0); argc = parse_options_subcommand(argc, argv, test_options, test_subcommands, test_usage, 0); - if (argc >= 1 && !strcmp(argv[0], "list")) - return perf_test__list(argc - 1, argv + 1); + if (argc >= 1 && !strcmp(argv[0], "list")) { + suites = build_suites(); + ret = perf_test__list(stdout, suites, argc - 1, argv + 1); + free(suites); + return ret; + } if (workload) return run_workload(workload, argc, argv); + if (list_workloads) { + workloads__fprintf_list(stdout); + return 0; + } + + if (dont_fork) + sequential = true; + symbol_conf.priv_size = sizeof(int); - symbol_conf.sort_by_name = true; symbol_conf.try_vmlinux_path = true; + if (symbol__init(NULL) < 0) return -1; @@ -555,5 +846,8 @@ int cmd_test(int argc, const char **argv) */ rlimit__bump_memlock(); - return __cmd_test(argc, argv, skiplist); + suites = build_suites(); + ret = __cmd_test(suites, argc, argv, skiplist); + free(suites); + return ret; } diff --git a/tools/perf/tests/clang.c b/tools/perf/tests/clang.c deleted file mode 100644 index a7111005d5b9..000000000000 --- a/tools/perf/tests/clang.c +++ /dev/null @@ -1,32 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include "tests.h" -#include "c++/clang-c.h" -#include <linux/kernel.h> - -#ifndef HAVE_LIBCLANGLLVM_SUPPORT -static int test__clang_to_IR(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) -{ - return TEST_SKIP; -} - -static int test__clang_to_obj(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) -{ - return TEST_SKIP; -} -#endif - -static struct test_case clang_tests[] = { - TEST_CASE_REASON("builtin clang compile C source to IR", clang_to_IR, - "not compiled in"), - TEST_CASE_REASON("builtin clang compile C source to ELF object", - clang_to_obj, - "not compiled in"), - { .name = NULL, } -}; - -struct test_suite suite__clang = { - .desc = "builtin clang support", - .test_cases = clang_tests, -}; diff --git a/tools/perf/tests/code-reading.c b/tools/perf/tests/code-reading.c index cb8cd09938d5..5927d1ea20e2 100644 --- a/tools/perf/tests/code-reading.c +++ b/tools/perf/tests/code-reading.c @@ -1,6 +1,8 @@ // SPDX-License-Identifier: GPL-2.0 #include <errno.h> +#include <linux/kconfig.h> #include <linux/kernel.h> +#include <linux/rbtree.h> #include <linux/types.h> #include <inttypes.h> #include <stdlib.h> @@ -8,6 +10,7 @@ #include <stdio.h> #include <string.h> #include <sys/param.h> +#include <sys/utsname.h> #include <perf/cpumap.h> #include <perf/evlist.h> #include <perf/mmap.h> @@ -37,11 +40,69 @@ #define BUFSZ 1024 #define READLEN 128 -struct state { - u64 done[1024]; - size_t done_cnt; +struct tested_section { + struct rb_node rb_node; + u64 addr; + char *path; }; +static bool tested_code_insert_or_exists(const char *path, u64 addr, + struct rb_root *tested_sections) +{ + struct rb_node **node = &tested_sections->rb_node; + struct rb_node *parent = NULL; + struct tested_section *data; + + while (*node) { + int cmp; + + parent = *node; + data = rb_entry(*node, struct tested_section, rb_node); + cmp = strcmp(path, data->path); + if (!cmp) { + if (addr < data->addr) + cmp = -1; + else if (addr > data->addr) + cmp = 1; + else + return true; /* already tested */ + } + + if (cmp < 0) + node = &(*node)->rb_left; + else + node = &(*node)->rb_right; + } + + data = zalloc(sizeof(*data)); + if (!data) + return true; + + data->addr = addr; + data->path = strdup(path); + if (!data->path) { + free(data); + return true; + } + rb_link_node(&data->rb_node, parent, node); + rb_insert_color(&data->rb_node, tested_sections); + return false; +} + +static void tested_sections__free(struct rb_root *root) +{ + while (!RB_EMPTY_ROOT(root)) { + struct rb_node *node = rb_first(root); + struct tested_section *ts = rb_entry(node, + struct tested_section, + rb_node); + + rb_erase(node, root); + free(ts->path); + free(ts); + } +} + static size_t read_objdump_chunk(const char **line, unsigned char **buf, size_t *buf_len) { @@ -176,16 +237,104 @@ static int read_objdump_output(FILE *f, void *buf, size_t *len, u64 start_addr) return err; } +/* + * Only gets GNU objdump version. Returns 0 for llvm-objdump. + */ +static int objdump_version(void) +{ + size_t line_len; + char cmd[PATH_MAX * 2]; + char *line = NULL; + const char *fmt; + FILE *f; + int ret; + + int version_tmp, version_num = 0; + char *version = 0, *token; + + fmt = "%s --version"; + ret = snprintf(cmd, sizeof(cmd), fmt, test_objdump_path); + if (ret <= 0 || (size_t)ret >= sizeof(cmd)) + return -1; + /* Ignore objdump errors */ + strcat(cmd, " 2>/dev/null"); + f = popen(cmd, "r"); + if (!f) { + pr_debug("popen failed\n"); + return -1; + } + /* Get first line of objdump --version output */ + ret = getline(&line, &line_len, f); + pclose(f); + if (ret < 0) { + pr_debug("getline failed\n"); + return -1; + } + + token = strsep(&line, " "); + if (token != NULL && !strcmp(token, "GNU")) { + // version is last part of first line of objdump --version output. + while ((token = strsep(&line, " "))) + version = token; + + // Convert version into a format we can compare with + token = strsep(&version, "."); + version_num = atoi(token); + if (version_num) + version_num *= 10000; + + token = strsep(&version, "."); + version_tmp = atoi(token); + if (token) + version_num += version_tmp * 100; + + token = strsep(&version, "."); + version_tmp = atoi(token); + if (token) + version_num += version_tmp; + } + + return version_num; +} + static int read_via_objdump(const char *filename, u64 addr, void *buf, size_t len) { + u64 stop_address = addr + len; + struct utsname uname_buf; char cmd[PATH_MAX * 2]; const char *fmt; FILE *f; int ret; + ret = uname(&uname_buf); + if (ret) { + pr_debug("uname failed\n"); + return -1; + } + + if (!strncmp(uname_buf.machine, "riscv", 5)) { + int version = objdump_version(); + + /* Default to this workaround if version parsing fails */ + if (version < 0 || version > 24100) { + /* + * Starting at riscv objdump version 2.41, dumping in + * the middle of an instruction is not supported. riscv + * instructions are aligned along 2-byte intervals and + * can be either 2-bytes or 4-bytes. This makes it + * possible that the stop-address lands in the middle of + * a 4-byte instruction. Increase the stop_address by + * two to ensure an instruction is not cut in half, but + * leave the len as-is so only the expected number of + * bytes are collected. + */ + stop_address += 2; + } + } + fmt = "%s -z -d --start-address=0x%"PRIx64" --stop-address=0x%"PRIx64" %s"; - ret = snprintf(cmd, sizeof(cmd), fmt, "objdump", addr, addr + len, + ret = snprintf(cmd, sizeof(cmd), fmt, test_objdump_path, addr, stop_address, filename); if (ret <= 0 || (size_t)ret >= sizeof(cmd)) return -1; @@ -226,36 +375,52 @@ static void dump_buf(unsigned char *buf, size_t len) } static int read_object_code(u64 addr, size_t len, u8 cpumode, - struct thread *thread, struct state *state) + struct thread *thread, + struct rb_root *tested_sections) { struct addr_location al; unsigned char buf1[BUFSZ] = {0}; unsigned char buf2[BUFSZ] = {0}; size_t ret_len; u64 objdump_addr; + u64 skip_addr; const char *objdump_name; char decomp_name[KMOD_DECOMP_LEN]; bool decomp = false; - int ret; + int ret, err = 0; + struct dso *dso; pr_debug("Reading object code for memory address: %#"PRIx64"\n", addr); - if (!thread__find_map(thread, cpumode, addr, &al) || !al.map->dso) { + addr_location__init(&al); + if (!thread__find_map(thread, cpumode, addr, &al) || !map__dso(al.map)) { if (cpumode == PERF_RECORD_MISC_HYPERVISOR) { pr_debug("Hypervisor address can not be resolved - skipping\n"); - return 0; + goto out; } pr_debug("thread__find_map failed\n"); - return -1; + err = -1; + goto out; } + dso = map__dso(al.map); + pr_debug("File is: %s\n", dso__long_name(dso)); - pr_debug("File is: %s\n", al.map->dso->long_name); - - if (al.map->dso->symtab_type == DSO_BINARY_TYPE__KALLSYMS && - !dso__is_kcore(al.map->dso)) { + if (dso__symtab_type(dso) == DSO_BINARY_TYPE__KALLSYMS && !dso__is_kcore(dso)) { pr_debug("Unexpected kernel address - skipping\n"); - return 0; + goto out; + } + + /* + * Don't retest the same addresses. objdump struggles with kcore - try + * each map only once even if the address is different. + */ + skip_addr = dso__is_kcore(dso) ? map__start(al.map) : al.addr; + if (tested_code_insert_or_exists(dso__long_name(dso), skip_addr, + tested_sections)) { + pr_debug("Already tested %s @ %#"PRIx64" - skipping\n", + dso__long_name(dso), skip_addr); + goto out; } pr_debug("On file address is: %#"PRIx64"\n", al.addr); @@ -264,49 +429,45 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, len = BUFSZ; /* Do not go off the map */ - if (addr + len > al.map->end) - len = al.map->end - addr; + if (addr + len > map__end(al.map)) + len = map__end(al.map) - addr; + + /* + * Some architectures (ex: powerpc) have stubs (trampolines) in kernel + * modules to manage long jumps. Check if the ip offset falls in stubs + * sections for kernel modules. And skip module address after text end + */ + if (dso__is_kmod(dso) && al.addr > dso__text_end(dso)) { + pr_debug("skipping the module address %#"PRIx64" after text end\n", al.addr); + goto out; + } /* Read the object code using perf */ - ret_len = dso__data_read_offset(al.map->dso, thread->maps->machine, + ret_len = dso__data_read_offset(dso, maps__machine(thread__maps(thread)), al.addr, buf1, len); if (ret_len != len) { pr_debug("dso__data_read_offset failed\n"); - return -1; + err = -1; + goto out; } /* * Converting addresses for use by objdump requires more information. * map__load() does that. See map__rip_2objdump() for details. */ - if (map__load(al.map)) - return -1; - - /* objdump struggles with kcore - try each map only once */ - if (dso__is_kcore(al.map->dso)) { - size_t d; - - for (d = 0; d < state->done_cnt; d++) { - if (state->done[d] == al.map->start) { - pr_debug("kcore map tested already"); - pr_debug(" - skipping\n"); - return 0; - } - } - if (state->done_cnt >= ARRAY_SIZE(state->done)) { - pr_debug("Too many kcore maps - skipping\n"); - return 0; - } - state->done[state->done_cnt++] = al.map->start; + if (map__load(al.map)) { + err = -1; + goto out; } - objdump_name = al.map->dso->long_name; - if (dso__needs_decompress(al.map->dso)) { - if (dso__decompress_kmodule_path(al.map->dso, objdump_name, + objdump_name = dso__long_name(dso); + if (dso__needs_decompress(dso)) { + if (dso__decompress_kmodule_path(dso, objdump_name, decomp_name, sizeof(decomp_name)) < 0) { pr_debug("decompression failed\n"); - return -1; + err = -1; + goto out; } decomp = true; @@ -330,22 +491,23 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, len -= ret; if (len) { pr_debug("Reducing len to %zu\n", len); - } else if (dso__is_kcore(al.map->dso)) { + } else if (dso__is_kcore(dso)) { /* * objdump cannot handle very large segments * that may be found in kcore. */ pr_debug("objdump failed for kcore"); pr_debug(" - skipping\n"); - return 0; } else { - return -1; + err = -1; } + goto out; } } if (ret < 0) { pr_debug("read_via_objdump failed\n"); - return -1; + err = -1; + goto out; } /* The results should be identical */ @@ -355,42 +517,52 @@ static int read_object_code(u64 addr, size_t len, u8 cpumode, dump_buf(buf1, len); pr_debug("buf2 (objdump):\n"); dump_buf(buf2, len); - return -1; + err = -1; + goto out; } pr_debug("Bytes read match those read by objdump\n"); - - return 0; +out: + addr_location__exit(&al); + return err; } -static int process_sample_event(struct machine *machine, - struct evlist *evlist, - union perf_event *event, struct state *state) +static int process_sample_event(struct machine *machine, struct evlist *evlist, + union perf_event *event, + struct rb_root *tested_sections) { struct perf_sample sample; struct thread *thread; int ret; - if (evlist__parse_sample(evlist, event, &sample)) { + perf_sample__init(&sample, /*all=*/false); + ret = evlist__parse_sample(evlist, event, &sample); + if (ret) { pr_debug("evlist__parse_sample failed\n"); - return -1; + ret = -1; + goto out; } thread = machine__findnew_thread(machine, sample.pid, sample.tid); if (!thread) { pr_debug("machine__findnew_thread failed\n"); - return -1; + ret = -1; + goto out; } - ret = read_object_code(sample.ip, READLEN, sample.cpumode, thread, state); + ret = read_object_code(sample.ip, READLEN, sample.cpumode, thread, + tested_sections); thread__put(thread); +out: + perf_sample__exit(&sample); return ret; } static int process_event(struct machine *machine, struct evlist *evlist, - union perf_event *event, struct state *state) + union perf_event *event, struct rb_root *tested_sections) { if (event->header.type == PERF_RECORD_SAMPLE) - return process_sample_event(machine, evlist, event, state); + return process_sample_event(machine, evlist, event, + tested_sections); if (event->header.type == PERF_RECORD_THROTTLE || event->header.type == PERF_RECORD_UNTHROTTLE) @@ -410,7 +582,7 @@ static int process_event(struct machine *machine, struct evlist *evlist, } static int process_events(struct machine *machine, struct evlist *evlist, - struct state *state) + struct rb_root *tested_sections) { union perf_event *event; struct mmap *md; @@ -422,7 +594,7 @@ static int process_events(struct machine *machine, struct evlist *evlist, continue; while ((event = perf_mmap__read_event(&md->core)) != NULL) { - ret = process_event(machine, evlist, event, state); + ret = process_event(machine, evlist, event, tested_sections); perf_mmap__consume(&md->core); if (ret < 0) return ret; @@ -492,38 +664,6 @@ static void fs_something(void) } } -#ifdef __s390x__ -#include "header.h" // for get_cpuid() -#endif - -static const char *do_determine_event(bool excl_kernel) -{ - const char *event = excl_kernel ? "cycles:u" : "cycles"; - -#ifdef __s390x__ - char cpuid[128], model[16], model_c[16], cpum_cf_v[16]; - unsigned int family; - int ret, cpum_cf_a; - - if (get_cpuid(cpuid, sizeof(cpuid))) - goto out_clocks; - ret = sscanf(cpuid, "%*[^,],%u,%[^,],%[^,],%[^,],%x", &family, model_c, - model, cpum_cf_v, &cpum_cf_a); - if (ret != 5) /* Not available */ - goto out_clocks; - if (excl_kernel && (cpum_cf_a & 4)) - return event; - if (!excl_kernel && (cpum_cf_a & 2)) - return event; - - /* Fall through: missing authorization */ -out_clocks: - event = excl_kernel ? "cpu-clock:u" : "cpu-clock"; - -#endif - return event; -} - static void do_something(void) { fs_something(); @@ -554,9 +694,7 @@ static int do_test_code_reading(bool try_kcore) .uses_mmap = true, }, }; - struct state state = { - .done_cnt = 0, - }; + struct rb_root tested_sections = RB_ROOT; struct perf_thread_map *threads = NULL; struct perf_cpu_map *cpus = NULL; struct evlist *evlist = NULL; @@ -564,12 +702,16 @@ static int do_test_code_reading(bool try_kcore) int err = -1, ret; pid_t pid; struct map *map; - bool have_vmlinux, have_kcore, excl_kernel = false; + bool have_vmlinux, have_kcore; + struct dso *dso; + const char *events[] = { "cpu-cycles", "cpu-cycles:u", "cpu-clock", "cpu-clock:u", NULL }; + int evidx = 0; + struct perf_env host_env; pid = getpid(); - machine = machine__new_host(); - machine->env = &perf_env; + perf_env__init(&host_env); + machine = machine__new_host(&host_env); ret = machine__create_kernel_maps(machine); if (ret < 0) { @@ -588,8 +730,9 @@ static int do_test_code_reading(bool try_kcore) pr_debug("map__load failed\n"); goto out_err; } - have_vmlinux = dso__is_vmlinux(map->dso); - have_kcore = dso__is_kcore(map->dso); + dso = map__dso(map); + have_vmlinux = dso__is_vmlinux(dso); + have_kcore = dso__is_kcore(dso); /* 2nd time through we just try kcore */ if (try_kcore && !have_kcore) @@ -597,7 +740,7 @@ static int do_test_code_reading(bool try_kcore) /* No point getting kernel events if there is no kernel object */ if (!have_vmlinux && !have_kcore) - excl_kernel = true; + evidx++; threads = thread_map__new_by_tid(pid); if (!threads) { @@ -619,13 +762,13 @@ static int do_test_code_reading(bool try_kcore) goto out_put; } - cpus = perf_cpu_map__new(NULL); + cpus = perf_cpu_map__new_online_cpus(); if (!cpus) { pr_debug("perf_cpu_map__new failed\n"); goto out_put; } - while (1) { + while (events[evidx]) { const char *str; evlist = evlist__new(); @@ -636,7 +779,7 @@ static int do_test_code_reading(bool try_kcore) perf_evlist__set_maps(&evlist->core, cpus, threads); - str = do_determine_event(excl_kernel); + str = events[evidx]; pr_debug("Parsing event '%s'\n", str); ret = parse_event(evlist, str); if (ret < 0) { @@ -646,40 +789,33 @@ static int do_test_code_reading(bool try_kcore) evlist__config(evlist, &opts, NULL); - evsel = evlist__first(evlist); - - evsel->core.attr.comm = 1; - evsel->core.attr.disabled = 1; - evsel->core.attr.enable_on_exec = 0; + evlist__for_each_entry(evlist, evsel) { + evsel->core.attr.comm = 1; + evsel->core.attr.disabled = 1; + evsel->core.attr.enable_on_exec = 0; + } ret = evlist__open(evlist); if (ret < 0) { - if (!excl_kernel) { - excl_kernel = true; - /* - * Both cpus and threads are now owned by evlist - * and will be freed by following perf_evlist__set_maps - * call. Getting reference to keep them alive. - */ - perf_cpu_map__get(cpus); - perf_thread_map__get(threads); - perf_evlist__set_maps(&evlist->core, NULL, NULL); - evlist__delete(evlist); - evlist = NULL; - continue; - } + evidx++; - if (verbose > 0) { + if (events[evidx] == NULL && verbose > 0) { char errbuf[512]; evlist__strerror_open(evlist, errno, errbuf, sizeof(errbuf)); pr_debug("perf_evlist__open() failed!\n%s\n", errbuf); } - goto out_put; + perf_evlist__set_maps(&evlist->core, NULL, NULL); + evlist__delete(evlist); + evlist = NULL; + continue; } break; } + if (events[evidx] == NULL) + goto out_put; + ret = evlist__mmap(evlist, UINT_MAX); if (ret < 0) { pr_debug("evlist__mmap failed\n"); @@ -692,7 +828,7 @@ static int do_test_code_reading(bool try_kcore) evlist__disable(evlist); - ret = process_events(machine, evlist, &state); + ret = process_events(machine, evlist, &tested_sections); if (ret < 0) goto out_put; @@ -700,7 +836,7 @@ static int do_test_code_reading(bool try_kcore) err = TEST_CODE_READING_NO_KERNEL_OBJ; else if (!have_vmlinux && !try_kcore) err = TEST_CODE_READING_NO_VMLINUX; - else if (excl_kernel) + else if (strstr(events[evidx], ":u")) err = TEST_CODE_READING_NO_ACCESS; else err = TEST_CODE_READING_OK; @@ -710,8 +846,9 @@ out_err: evlist__delete(evlist); perf_cpu_map__put(cpus); perf_thread_map__put(threads); - machine__delete_threads(machine); machine__delete(machine); + perf_env__exit(&host_env); + tested_sections__free(&tested_sections); return err; } diff --git a/tools/perf/tests/config-fragments/README b/tools/perf/tests/config-fragments/README new file mode 100644 index 000000000000..fe7de5d93674 --- /dev/null +++ b/tools/perf/tests/config-fragments/README @@ -0,0 +1,7 @@ +This folder is for kernel config fragments that can be merged with +defconfig to give full test coverage of a perf test run. This is only +an optimistic set as some features require hardware support in order to +pass and not skip. + +'config' is shared across all platforms, and for arch specific files, +the file name should match that used in the ARCH=... make option. diff --git a/tools/perf/tests/config-fragments/arm64 b/tools/perf/tests/config-fragments/arm64 new file mode 100644 index 000000000000..64c4ab17cd58 --- /dev/null +++ b/tools/perf/tests/config-fragments/arm64 @@ -0,0 +1 @@ +CONFIG_CORESIGHT_SOURCE_ETM4X=y diff --git a/tools/perf/tests/config-fragments/config b/tools/perf/tests/config-fragments/config new file mode 100644 index 000000000000..4fca12851016 --- /dev/null +++ b/tools/perf/tests/config-fragments/config @@ -0,0 +1,14 @@ +CONFIG_TRACEPOINTS=y +CONFIG_STACKTRACE=y +CONFIG_NOP_TRACER=y +CONFIG_RING_BUFFER=y +CONFIG_EVENT_TRACING=y +CONFIG_CONTEXT_SWITCH_TRACER=y +CONFIG_TRACING=y +CONFIG_GENERIC_TRACER=y +CONFIG_FTRACE=y +CONFIG_FTRACE_SYSCALLS=y +CONFIG_BRANCH_PROFILE_NONE=y +CONFIG_KPROBES=y +CONFIG_KPROBE_EVENTS=y +CONFIG_UPROBE_EVENTS=y diff --git a/tools/perf/tests/cpumap.c b/tools/perf/tests/cpumap.c index 3150fc1fed6f..2354246afc5a 100644 --- a/tools/perf/tests/cpumap.c +++ b/tools/perf/tests/cpumap.c @@ -11,7 +11,7 @@ struct machine; -static int process_event_mask(struct perf_tool *tool __maybe_unused, +static int process_event_mask(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) @@ -47,7 +47,7 @@ static int process_event_mask(struct perf_tool *tool __maybe_unused, return 0; } -static int process_event_cpus(struct perf_tool *tool __maybe_unused, +static int process_event_cpus(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) @@ -68,12 +68,12 @@ static int process_event_cpus(struct perf_tool *tool __maybe_unused, TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 2); TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1); TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 1).cpu == 256); - TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); + TEST_ASSERT_VAL("wrong refcnt", refcount_read(perf_cpu_map__refcnt(map)) == 1); perf_cpu_map__put(map); return 0; } -static int process_event_range_cpus(struct perf_tool *tool __maybe_unused, +static int process_event_range_cpus(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) @@ -94,7 +94,7 @@ static int process_event_range_cpus(struct perf_tool *tool __maybe_unused, TEST_ASSERT_VAL("wrong nr", perf_cpu_map__nr(map) == 256); TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__cpu(map, 0).cpu == 1); TEST_ASSERT_VAL("wrong cpu", perf_cpu_map__max(map).cpu == 256); - TEST_ASSERT_VAL("wrong refcnt", refcount_read(&map->refcnt) == 1); + TEST_ASSERT_VAL("wrong refcnt", refcount_read(perf_cpu_map__refcnt(map)) == 1); perf_cpu_map__put(map); return 0; } @@ -156,21 +156,139 @@ static int test__cpu_map_print(struct test_suite *test __maybe_unused, int subte return 0; } -static int test__cpu_map_merge(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +static int __test__cpu_map_merge(const char *lhs, const char *rhs, int nr, const char *expected) { - struct perf_cpu_map *a = perf_cpu_map__new("4,2,1"); - struct perf_cpu_map *b = perf_cpu_map__new("4,5,7"); - struct perf_cpu_map *c = perf_cpu_map__merge(a, b); + struct perf_cpu_map *a = perf_cpu_map__new(lhs); + struct perf_cpu_map *b = perf_cpu_map__new(rhs); char buf[100]; - TEST_ASSERT_VAL("failed to merge map: bad nr", perf_cpu_map__nr(c) == 5); + perf_cpu_map__merge(&a, b); + TEST_ASSERT_VAL("failed to merge map: bad nr", perf_cpu_map__nr(a) == nr); + cpu_map__snprint(a, buf, sizeof(buf)); + TEST_ASSERT_VAL("failed to merge map: bad result", !strcmp(buf, expected)); + perf_cpu_map__put(b); + + /* + * If 'b' is a superset of 'a', 'a' points to the same map with the + * map 'b'. In this case, the owner 'b' has released the resource above + * but 'a' still keeps the ownership, the reference counter should be 1. + */ + TEST_ASSERT_VAL("unexpected refcnt: bad result", + refcount_read(perf_cpu_map__refcnt(a)) == 1); + + perf_cpu_map__put(a); + return 0; +} + +static int test__cpu_map_merge(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + int ret; + + ret = __test__cpu_map_merge("4,2,1", "4,5,7", 5, "1-2,4-5,7"); + if (ret) + return ret; + ret = __test__cpu_map_merge("1-8", "6-9", 9, "1-9"); + if (ret) + return ret; + ret = __test__cpu_map_merge("1-8,12-20", "6-9,15", 18, "1-9,12-20"); + if (ret) + return ret; + ret = __test__cpu_map_merge("4,2,1", "1", 3, "1-2,4"); + if (ret) + return ret; + ret = __test__cpu_map_merge("1", "4,2,1", 3, "1-2,4"); + if (ret) + return ret; + ret = __test__cpu_map_merge("1", "1", 1, "1"); + return ret; +} + +static int __test__cpu_map_intersect(const char *lhs, const char *rhs, int nr, const char *expected) +{ + struct perf_cpu_map *a = perf_cpu_map__new(lhs); + struct perf_cpu_map *b = perf_cpu_map__new(rhs); + struct perf_cpu_map *c = perf_cpu_map__intersect(a, b); + char buf[100]; + + TEST_ASSERT_EQUAL("failed to intersect map: bad nr", perf_cpu_map__nr(c), nr); cpu_map__snprint(c, buf, sizeof(buf)); - TEST_ASSERT_VAL("failed to merge map: bad result", !strcmp(buf, "1-2,4-5,7")); + TEST_ASSERT_VAL("failed to intersect map: bad result", !strcmp(buf, expected)); + perf_cpu_map__put(a); perf_cpu_map__put(b); perf_cpu_map__put(c); return 0; } -DEFINE_SUITE("Synthesize cpu map", cpu_map_synthesize); -DEFINE_SUITE("Print cpu map", cpu_map_print); -DEFINE_SUITE("Merge cpu map", cpu_map_merge); +static int test__cpu_map_intersect(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + int ret; + + ret = __test__cpu_map_intersect("4,2,1", "4,5,7", 1, "4"); + if (ret) + return ret; + ret = __test__cpu_map_intersect("1-8", "6-9", 3, "6-8"); + if (ret) + return ret; + ret = __test__cpu_map_intersect("1-8,12-20", "6-9,15", 4, "6-8,15"); + if (ret) + return ret; + ret = __test__cpu_map_intersect("4,2,1", "1", 1, "1"); + if (ret) + return ret; + ret = __test__cpu_map_intersect("1", "4,2,1", 1, "1"); + if (ret) + return ret; + ret = __test__cpu_map_intersect("1", "1", 1, "1"); + return ret; +} + +static int test__cpu_map_equal(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + struct perf_cpu_map *any = perf_cpu_map__new_any_cpu(); + struct perf_cpu_map *one = perf_cpu_map__new("1"); + struct perf_cpu_map *two = perf_cpu_map__new("2"); + struct perf_cpu_map *empty = perf_cpu_map__intersect(one, two); + struct perf_cpu_map *pair = perf_cpu_map__new("1-2"); + struct perf_cpu_map *tmp; + struct perf_cpu_map **maps[] = {&empty, &any, &one, &two, &pair}; + + for (size_t i = 0; i < ARRAY_SIZE(maps); i++) { + /* Maps equal themself. */ + TEST_ASSERT_VAL("equal", perf_cpu_map__equal(*maps[i], *maps[i])); + for (size_t j = 0; j < ARRAY_SIZE(maps); j++) { + /* Maps dont't equal each other. */ + if (i == j) + continue; + TEST_ASSERT_VAL("not equal", !perf_cpu_map__equal(*maps[i], *maps[j])); + } + } + + /* Maps equal made maps. */ + perf_cpu_map__merge(&two, one); + TEST_ASSERT_VAL("pair", perf_cpu_map__equal(pair, two)); + + tmp = perf_cpu_map__intersect(pair, one); + TEST_ASSERT_VAL("one", perf_cpu_map__equal(one, tmp)); + perf_cpu_map__put(tmp); + + for (size_t i = 0; i < ARRAY_SIZE(maps); i++) + perf_cpu_map__put(*maps[i]); + + return TEST_OK; +} + +static struct test_case tests__cpu_map[] = { + TEST_CASE("Synthesize cpu map", cpu_map_synthesize), + TEST_CASE("Print cpu map", cpu_map_print), + TEST_CASE("Merge cpu map", cpu_map_merge), + TEST_CASE("Intersect cpu map", cpu_map_intersect), + TEST_CASE("Equal cpu map", cpu_map_equal), + { .name = NULL, } +}; + +struct test_suite suite__cpu_map = { + .desc = "CPU map", + .test_cases = tests__cpu_map, +}; diff --git a/tools/perf/tests/demangle-java-test.c b/tools/perf/tests/demangle-java-test.c index 44d1be303b67..0fb3e5a4a0ed 100644 --- a/tools/perf/tests/demangle-java-test.c +++ b/tools/perf/tests/demangle-java-test.c @@ -2,10 +2,10 @@ #include <string.h> #include <stdlib.h> #include <stdio.h> -#include "tests.h" -#include "session.h" +#include <linux/kernel.h> #include "debug.h" -#include "demangle-java.h" +#include "symbol.h" +#include "tests.h" static int test__demangle_java(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { @@ -17,19 +17,24 @@ static int test__demangle_java(struct test_suite *test __maybe_unused, int subte const char *mangled, *demangled; } test_cases[] = { { "Ljava/lang/StringLatin1;equals([B[B)Z", - "boolean java.lang.StringLatin1.equals(byte[], byte[])" }, + "java.lang.StringLatin1.equals(byte[], byte[])" }, { "Ljava/util/zip/ZipUtils;CENSIZ([BI)J", - "long java.util.zip.ZipUtils.CENSIZ(byte[], int)" }, + "java.util.zip.ZipUtils.CENSIZ(byte[], int)" }, { "Ljava/util/regex/Pattern$BmpCharProperty;match(Ljava/util/regex/Matcher;ILjava/lang/CharSequence;)Z", - "boolean java.util.regex.Pattern$BmpCharProperty.match(java.util.regex.Matcher, int, java.lang.CharSequence)" }, + "java.util.regex.Pattern$BmpCharProperty.match(java.util.regex.Matcher, int, java.lang.CharSequence)" }, { "Ljava/lang/AbstractStringBuilder;appendChars(Ljava/lang/String;II)V", - "void java.lang.AbstractStringBuilder.appendChars(java.lang.String, int, int)" }, + "java.lang.AbstractStringBuilder.appendChars(java.lang.String, int, int)" }, { "Ljava/lang/Object;<init>()V", - "void java.lang.Object<init>()" }, + "java.lang.Object<init>()" }, }; - for (i = 0; i < sizeof(test_cases) / sizeof(test_cases[0]); i++) { - buf = java_demangle_sym(test_cases[i].mangled, 0); + for (i = 0; i < ARRAY_SIZE(test_cases); i++) { + buf = dso__demangle_sym(/*dso=*/NULL, /*kmodule=*/0, test_cases[i].mangled); + if (!buf) { + pr_debug("FAILED to demangle: \"%s\"\n \"%s\"\n", test_cases[i].mangled, + test_cases[i].demangled); + continue; + } if (strcmp(buf, test_cases[i].demangled)) { pr_debug("FAILED: %s: %s != %s\n", test_cases[i].mangled, buf, test_cases[i].demangled); diff --git a/tools/perf/tests/demangle-ocaml-test.c b/tools/perf/tests/demangle-ocaml-test.c index 90a4285e2ad5..612c788b7e0d 100644 --- a/tools/perf/tests/demangle-ocaml-test.c +++ b/tools/perf/tests/demangle-ocaml-test.c @@ -2,10 +2,9 @@ #include <string.h> #include <stdlib.h> #include <stdio.h> -#include "tests.h" -#include "session.h" #include "debug.h" -#include "demangle-ocaml.h" +#include "symbol.h" +#include "tests.h" static int test__demangle_ocaml(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { @@ -27,7 +26,7 @@ static int test__demangle_ocaml(struct test_suite *test __maybe_unused, int subt }; for (i = 0; i < ARRAY_SIZE(test_cases); i++) { - buf = ocaml_demangle_sym(test_cases[i].mangled); + buf = dso__demangle_sym(/*dso=*/NULL, /*kmodule=*/0, test_cases[i].mangled); if ((buf == NULL && test_cases[i].demangled != NULL) || (buf != NULL && test_cases[i].demangled == NULL) || (buf != NULL && strcmp(buf, test_cases[i].demangled))) { diff --git a/tools/perf/tests/demangle-rust-v0-test.c b/tools/perf/tests/demangle-rust-v0-test.c new file mode 100644 index 000000000000..904f966c65d7 --- /dev/null +++ b/tools/perf/tests/demangle-rust-v0-test.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: Apache-2.0 OR MIT +#include "tests.h" +#include "debug.h" +#include "symbol.h" +#include <linux/kernel.h> +#include <stdlib.h> +#include <string.h> + +static int test__demangle_rust(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + int ret = TEST_OK; + char *buf = NULL; + size_t i; + + struct { + const char *mangled, *demangled; + } test_cases[] = { + { "_RNvMsr_NtCs3ssYzQotkvD_3std4pathNtB5_7PathBuf3newCs15kBYyAo9fc_7mycrate", + "<std::path::PathBuf>::new" }, + { "_RNvCs15kBYyAo9fc_7mycrate7example", + "mycrate::example" }, + { "_RNvMs_Cs4Cv8Wi1oAIB_7mycrateNtB4_7Example3foo", + "<mycrate::Example>::foo" }, + { "_RNvXCs15kBYyAo9fc_7mycrateNtB2_7ExampleNtB2_5Trait3foo", + "<mycrate::Example as mycrate::Trait>::foo" }, + { "_RNvMCs7qp2U7fqm6G_7mycrateNtB2_7Example3foo", + "<mycrate::Example>::foo" }, + { "_RNvMs_Cs7qp2U7fqm6G_7mycrateNtB4_7Example3bar", + "<mycrate::Example>::bar" }, + { "_RNvYNtCs15kBYyAo9fc_7mycrate7ExampleNtB4_5Trait7exampleB4_", + "<mycrate::Example as mycrate::Trait>::example" }, + { "_RNCNvCsgStHSCytQ6I_7mycrate4main0B3_", + "mycrate::main::{closure#0}" }, + { "_RNCNvCsgStHSCytQ6I_7mycrate4mains_0B3_", + "mycrate::main::{closure#1}" }, + { "_RINvCsgStHSCytQ6I_7mycrate7examplelKj1_EB2_", + "mycrate::example::<i32, 1>" }, + { "_RINvCs7qp2U7fqm6G_7mycrate7exampleFG0_RL1_hRL0_tEuEB2_", + "mycrate::example::<for<'a, 'b> fn(&'a u8, &'b u16)>", + }, + { "_RINvCs7qp2U7fqm6G_7mycrate7exampleKy12345678_EB2_", + "mycrate::example::<305419896>" }, + { "_RNvNvMCsd9PVOYlP1UU_7mycrateINtB4_7ExamplepKpE3foo14EXAMPLE_STATIC", + "<mycrate::Example<_, _>>::foo::EXAMPLE_STATIC", + }, + { "_RINvCs7qp2U7fqm6G_7mycrate7exampleAtj8_EB2_", + "mycrate::example::<[u16; 8]>" }, + { "_RINvCs7qp2U7fqm6G_7mycrate7exampleNtB2_7ExampleBw_EB2_", + "mycrate::example::<mycrate::Example, mycrate::Example>" }, + { "_RINvMsY_NtCseXNvpPnDBDp_3std4pathNtB6_4Path3neweECs7qp2U7fqm6G_7mycrate", + "<std::path::Path>::new::<str>" }, + { "_RNvNvNvCs7qp2U7fqm6G_7mycrate7EXAMPLE7___getit5___KEY", + "mycrate::EXAMPLE::__getit::__KEY" }, + }; + + for (i = 0; i < ARRAY_SIZE(test_cases); i++) { + buf = dso__demangle_sym(/*dso=*/NULL, /*kmodule=*/0, test_cases[i].mangled); + if (!buf) { + pr_debug("FAILED to demangle: \"%s\"\n \"%s\"\n", test_cases[i].mangled, + test_cases[i].demangled); + continue; + } + if (strcmp(buf, test_cases[i].demangled)) { + pr_debug("FAILED: %s: %s != %s\n", test_cases[i].mangled, + buf, test_cases[i].demangled); + ret = TEST_FAIL; + } + free(buf); + } + + return ret; +} + +DEFINE_SUITE("Demangle Rust", demangle_rust); diff --git a/tools/perf/tests/dlfilter-test.c b/tools/perf/tests/dlfilter-test.c index 086fd2179e41..80a1c941138d 100644 --- a/tools/perf/tests/dlfilter-test.c +++ b/tools/perf/tests/dlfilter-test.c @@ -1,7 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /* * Test dlfilter C API. A perf.data file is synthesized and then processed - * by perf script with a dlfilter named dlfilter-test-api-v0.so. Also a C file + * by perf script with dlfilters named dlfilter-test-api-v*.so. Also a C file * is compiled to provide a dso to match the synthesized perf.data file. */ @@ -37,6 +37,8 @@ #define MAP_START 0x400000 +#define DLFILTER_TEST_NAME_MAX 128 + struct test_data { struct perf_tool tool; struct machine *machine; @@ -45,6 +47,8 @@ struct test_data { u64 bar; u64 ip; u64 addr; + char name[DLFILTER_TEST_NAME_MAX]; + char desc[DLFILTER_TEST_NAME_MAX]; char perf[PATH_MAX]; char perf_data_file_name[PATH_MAX]; char c_file_name[PATH_MAX]; @@ -58,7 +62,7 @@ static int test_result(const char *msg, int ret) return ret; } -static int process(struct perf_tool *tool, union perf_event *event, +static int process(const struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) { @@ -215,7 +219,7 @@ static int write_prog(char *file_name) return err ? -1 : 0; } -static int get_dlfilters_path(char *buf, size_t sz) +static int get_dlfilters_path(const char *name, char *buf, size_t sz) { char perf[PATH_MAX]; char path[PATH_MAX]; @@ -224,12 +228,12 @@ static int get_dlfilters_path(char *buf, size_t sz) perf_exe(perf, sizeof(perf)); perf_path = dirname(perf); - snprintf(path, sizeof(path), "%s/dlfilters/dlfilter-test-api-v0.so", perf_path); + snprintf(path, sizeof(path), "%s/dlfilters/%s", perf_path, name); if (access(path, R_OK)) { exec_path = get_argv_exec_path(); if (!exec_path) return -1; - snprintf(path, sizeof(path), "%s/dlfilters/dlfilter-test-api-v0.so", exec_path); + snprintf(path, sizeof(path), "%s/dlfilters/%s", exec_path, name); free(exec_path); if (access(path, R_OK)) return -1; @@ -244,9 +248,9 @@ static int check_filter_desc(struct test_data *td) char *desc = NULL; int ret; - if (get_filter_desc(td->dlfilters, "dlfilter-test-api-v0.so", &desc, &long_desc) && + if (get_filter_desc(td->dlfilters, td->name, &desc, &long_desc) && long_desc && !strcmp(long_desc, "Filter used by the 'dlfilter C API' perf test") && - desc && !strcmp(desc, "dlfilter to test v0 C API")) + desc && !strcmp(desc, td->desc)) ret = 0; else ret = -1; @@ -284,7 +288,7 @@ static int get_ip_addr(struct test_data *td) static int do_run_perf_script(struct test_data *td, int do_early) { return system_cmd("%s script -i %s " - "--dlfilter %s/dlfilter-test-api-v0.so " + "--dlfilter %s/%s " "--dlarg first " "--dlarg %d " "--dlarg %" PRIu64 " " @@ -292,7 +296,7 @@ static int do_run_perf_script(struct test_data *td, int do_early) "--dlarg %d " "--dlarg last", td->perf, td->perf_data_file_name, td->dlfilters, - verbose, td->ip, td->addr, do_early); + td->name, verbose, td->ip, td->addr, do_early); } static int run_perf_script(struct test_data *td) @@ -315,13 +319,14 @@ static int run_perf_script(struct test_data *td) static int test__dlfilter_test(struct test_data *td) { + struct perf_env host_env; u64 sample_type = TEST_SAMPLE_TYPE; pid_t pid = 12345; pid_t tid = 12346; u64 id = 99; - int err; + int err = TEST_OK; - if (get_dlfilters_path(td->dlfilters, PATH_MAX)) + if (get_dlfilters_path(td->name, td->dlfilters, PATH_MAX)) return test_result("dlfilters not found", TEST_SKIP); if (check_filter_desc(td)) @@ -348,38 +353,42 @@ static int test__dlfilter_test(struct test_data *td) return test_result("Failed to find program symbols", TEST_FAIL); pr_debug("Creating new host machine structure\n"); - td->machine = machine__new_host(); - td->machine->env = &perf_env; + perf_env__init(&host_env); + td->machine = machine__new_host(&host_env); td->fd = creat(td->perf_data_file_name, 0644); if (td->fd < 0) return test_result("Failed to create test perf.data file", TEST_FAIL); err = perf_header__write_pipe(td->fd); - if (err < 0) - return test_result("perf_header__write_pipe() failed", TEST_FAIL); - + if (err < 0) { + err = test_result("perf_header__write_pipe() failed", TEST_FAIL); + goto out; + } err = write_attr(td, sample_type, &id); - if (err) - return test_result("perf_event__synthesize_attr() failed", TEST_FAIL); - - if (write_comm(td->fd, pid, tid, "test-prog")) - return TEST_FAIL; - - if (write_mmap(td->fd, pid, tid, MAP_START, 0x10000, 0, td->prog_file_name)) - return TEST_FAIL; - - if (write_sample(td, sample_type, id, pid, tid) != TEST_OK) - return TEST_FAIL; - + if (err) { + err = test_result("perf_event__synthesize_attr() failed", TEST_FAIL); + goto out; + } + if (write_comm(td->fd, pid, tid, "test-prog")) { + err = TEST_FAIL; + goto out; + } + if (write_mmap(td->fd, pid, tid, MAP_START, 0x10000, 0, td->prog_file_name)) { + err = TEST_FAIL; + goto out; + } + if (write_sample(td, sample_type, id, pid, tid) != TEST_OK) { + err = TEST_FAIL; + goto out; + } if (verbose > 1) system_cmd("%s script -i %s -D", td->perf, td->perf_data_file_name); - err = run_perf_script(td); - if (err) - return TEST_FAIL; - - return TEST_OK; + err = run_perf_script(td) ? TEST_FAIL : TEST_OK; +out: + perf_env__exit(&host_env); + return err; } static void unlink_path(const char *path) @@ -399,14 +408,18 @@ static void test_data__free(struct test_data *td) } } -static int test__dlfilter(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +static int test__dlfilter_ver(int ver) { struct test_data td = {.fd = -1}; int pid = getpid(); int err; + pr_debug("\n-- Testing version %d API --\n", ver); + perf_exe(td.perf, sizeof(td.perf)); + snprintf(td.name, sizeof(td.name), "dlfilter-test-api-v%d.so", ver); + snprintf(td.desc, sizeof(td.desc), "dlfilter to test v%d C API", ver); snprintf(td.perf_data_file_name, PATH_MAX, "/tmp/dlfilter-test-%u-perf-data", pid); snprintf(td.c_file_name, PATH_MAX, "/tmp/dlfilter-test-%u-prog.c", pid); snprintf(td.prog_file_name, PATH_MAX, "/tmp/dlfilter-test-%u-prog", pid); @@ -416,4 +429,14 @@ static int test__dlfilter(struct test_suite *test __maybe_unused, int subtest __ return err; } +static int test__dlfilter(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + int err = test__dlfilter_ver(0); + + if (err) + return err; + /* No test for version 1 */ + return test__dlfilter_ver(2); +} + DEFINE_SUITE("dlfilter C API", dlfilter); diff --git a/tools/perf/tests/dso-data.c b/tools/perf/tests/dso-data.c index 3419a4ab5590..a1fff4203b75 100644 --- a/tools/perf/tests/dso-data.c +++ b/tools/perf/tests/dso-data.c @@ -10,6 +10,7 @@ #include <sys/resource.h> #include <api/fs/fs.h> #include "dso.h" +#include "dsos.h" #include "machine.h" #include "symbol.h" #include "tests.h" @@ -105,14 +106,25 @@ struct test_data_offset offsets[] = { /* move it from util/dso.c for compatibility */ static int dso__data_fd(struct dso *dso, struct machine *machine) { - int fd = dso__data_get_fd(dso, machine); + int fd = -1; - if (fd >= 0) + if (dso__data_get_fd(dso, machine, &fd)) dso__data_put_fd(dso); return fd; } +static void dsos__delete(struct dsos *dsos) +{ + for (unsigned int i = 0; i < dsos->cnt; i++) { + struct dso *dso = dsos->dsos[i]; + + dso__data_close(dso); + unlink(dso__name(dso)); + } + dsos__exit(dsos); +} + static int test__dso_data(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { struct machine machine; @@ -123,9 +135,10 @@ static int test__dso_data(struct test_suite *test __maybe_unused, int subtest __ TEST_ASSERT_VAL("No test file", file); memset(&machine, 0, sizeof(machine)); + dsos__init(&machine.dsos); - dso = dso__new((const char *)file); - + dso = dso__new(file); + TEST_ASSERT_VAL("Failed to add dso", !dsos__add(&machine.dsos, dso)); TEST_ASSERT_VAL("Failed to access to dso", dso__data_fd(dso, &machine) >= 0); @@ -170,6 +183,7 @@ static int test__dso_data(struct test_suite *test __maybe_unused, int subtest __ } dso__put(dso); + dsos__delete(&machine.dsos); unlink(file); return 0; } @@ -199,40 +213,24 @@ static long open_files_cnt(void) return nr - 1; } -static struct dso **dsos; - -static int dsos__create(int cnt, int size) +static int dsos__create(int cnt, int size, struct dsos *dsos) { int i; - dsos = malloc(sizeof(*dsos) * cnt); - TEST_ASSERT_VAL("failed to alloc dsos array", dsos); + dsos__init(dsos); for (i = 0; i < cnt; i++) { - char *file; + struct dso *dso; + char *file = test_file(size); - file = test_file(size); TEST_ASSERT_VAL("failed to get dso file", file); - - dsos[i] = dso__new(file); - TEST_ASSERT_VAL("failed to get dso", dsos[i]); - } - - return 0; -} - -static void dsos__delete(int cnt) -{ - int i; - - for (i = 0; i < cnt; i++) { - struct dso *dso = dsos[i]; - - unlink(dso->name); + dso = dso__new(file); + TEST_ASSERT_VAL("failed to get dso", dso); + TEST_ASSERT_VAL("failed to add dso", !dsos__add(dsos, dso)); dso__put(dso); } - free(dsos); + return 0; } static int set_fd_limit(int n) @@ -266,10 +264,10 @@ static int test__dso_data_cache(struct test_suite *test __maybe_unused, int subt /* and this is now our dso open FDs limit */ dso_cnt = limit / 2; TEST_ASSERT_VAL("failed to create dsos\n", - !dsos__create(dso_cnt, TEST_FILE_SIZE)); + !dsos__create(dso_cnt, TEST_FILE_SIZE, &machine.dsos)); for (i = 0; i < (dso_cnt - 1); i++) { - struct dso *dso = dsos[i]; + struct dso *dso = machine.dsos.dsos[i]; /* * Open dsos via dso__data_fd(), it opens the data @@ -289,17 +287,17 @@ static int test__dso_data_cache(struct test_suite *test __maybe_unused, int subt } /* verify the first one is already open */ - TEST_ASSERT_VAL("dsos[0] is not open", dsos[0]->data.fd != -1); + TEST_ASSERT_VAL("dsos[0] is not open", dso__data(machine.dsos.dsos[0])->fd != -1); /* open +1 dso to reach the allowed limit */ - fd = dso__data_fd(dsos[i], &machine); + fd = dso__data_fd(machine.dsos.dsos[i], &machine); TEST_ASSERT_VAL("failed to get fd", fd > 0); /* should force the first one to be closed */ - TEST_ASSERT_VAL("failed to close dsos[0]", dsos[0]->data.fd == -1); + TEST_ASSERT_VAL("failed to close dsos[0]", dso__data(machine.dsos.dsos[0])->fd == -1); /* cleanup everything */ - dsos__delete(dso_cnt); + dsos__delete(&machine.dsos); /* Make sure we did not leak any file descriptor. */ nr_end = open_files_cnt(); @@ -324,9 +322,9 @@ static int test__dso_data_reopen(struct test_suite *test __maybe_unused, int sub long nr_end, nr = open_files_cnt(), lim = new_limit(3); int fd, fd_extra; -#define dso_0 (dsos[0]) -#define dso_1 (dsos[1]) -#define dso_2 (dsos[2]) +#define dso_0 (machine.dsos.dsos[0]) +#define dso_1 (machine.dsos.dsos[1]) +#define dso_2 (machine.dsos.dsos[2]) /* Rest the internal dso open counter limit. */ reset_fd_limit(); @@ -346,7 +344,8 @@ static int test__dso_data_reopen(struct test_suite *test __maybe_unused, int sub TEST_ASSERT_VAL("failed to set file limit", !set_fd_limit((lim))); - TEST_ASSERT_VAL("failed to create dsos\n", !dsos__create(3, TEST_FILE_SIZE)); + TEST_ASSERT_VAL("failed to create dsos\n", + !dsos__create(3, TEST_FILE_SIZE, &machine.dsos)); /* open dso_0 */ fd = dso__data_fd(dso_0, &machine); @@ -371,7 +370,7 @@ static int test__dso_data_reopen(struct test_suite *test __maybe_unused, int sub * dso_0 should get closed, because we reached * the file descriptor limit */ - TEST_ASSERT_VAL("failed to close dso_0", dso_0->data.fd == -1); + TEST_ASSERT_VAL("failed to close dso_0", dso__data(dso_0)->fd == -1); /* open dso_0 */ fd = dso__data_fd(dso_0, &machine); @@ -381,11 +380,11 @@ static int test__dso_data_reopen(struct test_suite *test __maybe_unused, int sub * dso_1 should get closed, because we reached * the file descriptor limit */ - TEST_ASSERT_VAL("failed to close dso_1", dso_1->data.fd == -1); + TEST_ASSERT_VAL("failed to close dso_1", dso__data(dso_1)->fd == -1); /* cleanup everything */ close(fd_extra); - dsos__delete(3); + dsos__delete(&machine.dsos); /* Make sure we did not leak any file descriptor. */ nr_end = open_files_cnt(); @@ -394,6 +393,15 @@ static int test__dso_data_reopen(struct test_suite *test __maybe_unused, int sub return 0; } -DEFINE_SUITE("DSO data read", dso_data); -DEFINE_SUITE("DSO data cache", dso_data_cache); -DEFINE_SUITE("DSO data reopen", dso_data_reopen); + +static struct test_case tests__dso_data[] = { + TEST_CASE("read", dso_data), + TEST_CASE("cache", dso_data_cache), + TEST_CASE("reopen", dso_data_reopen), + { .name = NULL, } +}; + +struct test_suite suite__dso_data = { + .desc = "DSO data tests", + .test_cases = tests__dso_data, +}; diff --git a/tools/perf/tests/dwarf-unwind.c b/tools/perf/tests/dwarf-unwind.c index afdca7f2959f..9ed78d00fb87 100644 --- a/tools/perf/tests/dwarf-unwind.c +++ b/tools/perf/tests/dwarf-unwind.c @@ -7,6 +7,7 @@ #include <unistd.h> #include "tests.h" #include "debug.h" +#include "env.h" #include "machine.h" #include "event.h" #include "../util/unwind.h" @@ -15,7 +16,6 @@ #include "symbol.h" #include "thread.h" #include "callchain.h" -#include "util/synthetic-events.h" /* For bsearch. We try to unwind functions in shared object. */ #include <stdlib.h> @@ -37,24 +37,6 @@ #define NO_TAIL_CALL_BARRIER __asm__ __volatile__("" : : : "memory"); #endif -static int mmap_handler(struct perf_tool *tool __maybe_unused, - union perf_event *event, - struct perf_sample *sample, - struct machine *machine) -{ - return machine__process_mmap2_event(machine, event, sample); -} - -static int init_live_machine(struct machine *machine) -{ - union perf_event event; - pid_t pid = getpid(); - - memset(&event, 0, sizeof(event)); - return perf_event__synthesize_mmap_events(NULL, &event, pid, pid, - mmap_handler, machine, true); -} - /* * We need to keep these functions global, despite the * fact that they are used only locally in this object, @@ -67,6 +49,7 @@ int test_dwarf_unwind__compare(void *p1, void *p2); int test_dwarf_unwind__krava_3(struct thread *thread); int test_dwarf_unwind__krava_2(struct thread *thread); int test_dwarf_unwind__krava_1(struct thread *thread); +int test__dwarf_unwind(struct test_suite *test, int subtest); #define MAX_STACK 8 @@ -114,8 +97,7 @@ NO_TAIL_CALL_ATTRIBUTE noinline int test_dwarf_unwind__thread(struct thread *thr unsigned long cnt = 0; int err = -1; - memset(&sample, 0, sizeof(sample)); - + perf_sample__init(&sample, /*all=*/true); if (test__arch_unwind_sample(&sample, thread)) { pr_debug("failed to get unwind sample\n"); goto out; @@ -133,7 +115,8 @@ NO_TAIL_CALL_ATTRIBUTE noinline int test_dwarf_unwind__thread(struct thread *thr out: zfree(&sample.user_stack.data); - zfree(&sample.user_regs.regs); + zfree(&sample.user_regs->regs); + perf_sample__exit(&sample); return err; } @@ -195,36 +178,34 @@ NO_TAIL_CALL_ATTRIBUTE noinline int test_dwarf_unwind__krava_1(struct thread *th return ret; } -static int test__dwarf_unwind(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) +noinline int test__dwarf_unwind(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) { + struct perf_env host_env; struct machine *machine; struct thread *thread; int err = -1; + pid_t pid = getpid(); - machine = machine__new_host(); + callchain_param.record_mode = CALLCHAIN_DWARF; + dwarf_callchain_users = true; + + perf_env__init(&host_env); + machine = machine__new_live(&host_env, /*kernel_maps=*/true, pid); if (!machine) { pr_err("Could not get machine\n"); - return -1; + goto out; } if (machine__create_kernel_maps(machine)) { pr_err("Failed to create kernel maps\n"); - return -1; - } - - callchain_param.record_mode = CALLCHAIN_DWARF; - dwarf_callchain_users = true; - - if (init_live_machine(machine)) { - pr_err("Could not init machine\n"); goto out; } if (verbose > 1) machine__fprintf(machine, stderr); - thread = machine__find_thread(machine, getpid(), getpid()); + thread = machine__find_thread(machine, pid, pid); if (!thread) { pr_err("Could not get thread\n"); goto out; @@ -234,8 +215,8 @@ static int test__dwarf_unwind(struct test_suite *test __maybe_unused, thread__put(thread); out: - machine__delete_threads(machine); machine__delete(machine); + perf_env__exit(&host_env); return err; } diff --git a/tools/perf/tests/event-times.c b/tools/perf/tests/event-times.c index e155f0e0e04d..ae3b98bb42cf 100644 --- a/tools/perf/tests/event-times.c +++ b/tools/perf/tests/event-times.c @@ -17,9 +17,7 @@ static int attach__enable_on_exec(struct evlist *evlist) { struct evsel *evsel = evlist__last(evlist); - struct target target = { - .uid = UINT_MAX, - }; + struct target target = {}; const char *argv[] = { "true", NULL, }; char sbuf[STRERR_BUFSIZE]; int err; @@ -64,7 +62,7 @@ static int attach__current_disabled(struct evlist *evlist) pr_debug("attaching to current thread as disabled\n"); - threads = thread_map__new(-1, getpid(), UINT_MAX); + threads = thread_map__new_by_tid(getpid()); if (threads == NULL) { pr_debug("thread_map__new\n"); return -1; @@ -90,7 +88,7 @@ static int attach__current_enabled(struct evlist *evlist) pr_debug("attaching to current thread as enabled\n"); - threads = thread_map__new(-1, getpid(), UINT_MAX); + threads = thread_map__new_by_tid(getpid()); if (threads == NULL) { pr_debug("failed to call thread_map__new\n"); return -1; @@ -126,6 +124,7 @@ static int attach__cpu_disabled(struct evlist *evlist) evsel->core.attr.disabled = 1; err = evsel__open_per_cpu(evsel, cpus, -1); + perf_cpu_map__put(cpus); if (err) { if (err == -EACCES) return TEST_SKIP; @@ -134,7 +133,6 @@ static int attach__cpu_disabled(struct evlist *evlist) return err; } - perf_cpu_map__put(cpus); return evsel__enable(evsel); } @@ -153,10 +151,10 @@ static int attach__cpu_enabled(struct evlist *evlist) } err = evsel__open_per_cpu(evsel, cpus, -1); + perf_cpu_map__put(cpus); if (err == -EACCES) return TEST_SKIP; - perf_cpu_map__put(cpus); return err ? TEST_FAIL : TEST_OK; } @@ -188,6 +186,7 @@ static int test_times(int (attach)(struct evlist *), err = attach(evlist); if (err == TEST_SKIP) { pr_debug(" SKIP : not enough rights\n"); + evlist__delete(evlist); return err; } diff --git a/tools/perf/tests/event_groups.c b/tools/perf/tests/event_groups.c index 029442b4e9c6..c119ff114948 100644 --- a/tools/perf/tests/event_groups.c +++ b/tools/perf/tests/event_groups.c @@ -10,9 +10,10 @@ #include "header.h" #include "../perf-sys.h" -/* hw: cycles, sw: context-switch, uncore: [arch dependent] */ +/* hw: cycles,instructions sw: context-switch, uncore: [arch dependent] */ static int types[] = {0, 1, -1}; static unsigned long configs[] = {0, 3, 0}; +static unsigned long configs_hw[] = {1}; #define NR_UNCORE_PMUS 5 @@ -50,13 +51,10 @@ static int event_open(int type, unsigned long config, int group_fd) static int setup_uncore_event(void) { - struct perf_pmu *pmu; + struct perf_pmu *pmu = NULL; int i, fd; - if (list_empty(&pmus)) - perf_pmu__scan(NULL); - - perf_pmus__for_each_pmu(pmu) { + while ((pmu = perf_pmus__scan(pmu)) != NULL) { for (i = 0; i < NR_UNCORE_PMUS; i++) { if (!strcmp(uncore_pmus[i].name, pmu->name)) { pr_debug("Using %s for uncore pmu event\n", pmu->name); @@ -96,7 +94,18 @@ static int run_test(int i, int j, int k) return erroneous ? 0 : -1; } - sibling_fd2 = event_open(types[k], configs[k], group_fd); + /* + * if all three events (leader and two sibling events) + * are hardware events, use instructions as one of the + * sibling event. There is event constraint in powerpc that + * events using same counter cannot be programmed in a group. + * Since PERF_COUNT_HW_INSTRUCTIONS is a generic hardware + * event and present in all platforms, lets use that. + */ + if (!i && !j && !k) + sibling_fd2 = event_open(types[k], configs_hw[k], group_fd); + else + sibling_fd2 = event_open(types[k], configs[k], group_fd); if (sibling_fd2 == -1) { close(sibling_fd1); close(group_fd); @@ -127,9 +136,18 @@ static int test__event_groups(struct test_suite *text __maybe_unused, int subtes if (r) ret = TEST_FAIL; - pr_debug("0x%x 0x%lx, 0x%x 0x%lx, 0x%x 0x%lx: %s\n", - types[i], configs[i], types[j], configs[j], - types[k], configs[k], r ? "Fail" : "Pass"); + /* + * For all three events as HW events, second sibling + * event is picked from configs_hw. So print accordingly + */ + if (!i && !j && !k) + pr_debug("0x%x 0x%lx, 0x%x 0x%lx, 0x%x 0x%lx: %s\n", + types[i], configs[i], types[j], configs[j], + types[k], configs_hw[k], r ? "Fail" : "Pass"); + else + pr_debug("0x%x 0x%lx, 0x%x 0x%lx, 0x%x 0x%lx: %s\n", + types[i], configs[i], types[j], configs[j], + types[k], configs[k], r ? "Fail" : "Pass"); } } } diff --git a/tools/perf/tests/event_update.c b/tools/perf/tests/event_update.c index d093a9b878d1..cb9e6de2e033 100644 --- a/tools/perf/tests/event_update.c +++ b/tools/perf/tests/event_update.c @@ -12,7 +12,7 @@ #include "tests.h" #include "debug.h" -static int process_event_unit(struct perf_tool *tool __maybe_unused, +static int process_event_unit(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) @@ -25,7 +25,7 @@ static int process_event_unit(struct perf_tool *tool __maybe_unused, return 0; } -static int process_event_scale(struct perf_tool *tool __maybe_unused, +static int process_event_scale(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) @@ -43,7 +43,7 @@ struct event_name { const char *name; }; -static int process_event_name(struct perf_tool *tool, +static int process_event_name(const struct perf_tool *tool, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) @@ -57,7 +57,7 @@ static int process_event_name(struct perf_tool *tool, return 0; } -static int process_event_cpus(struct perf_tool *tool __maybe_unused, +static int process_event_cpus(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) @@ -103,12 +103,14 @@ static int test__event_update(struct test_suite *test __maybe_unused, int subtes TEST_ASSERT_VAL("failed to synthesize attr update scale", !perf_event__synthesize_event_update_scale(NULL, evsel, process_event_scale)); + perf_tool__init(&tmp.tool, /*ordered_events=*/false); tmp.name = evsel__name(evsel); TEST_ASSERT_VAL("failed to synthesize attr update name", !perf_event__synthesize_event_update_name(&tmp.tool, evsel, process_event_name)); - evsel->core.own_cpus = perf_cpu_map__new("1,2,3"); + perf_cpu_map__put(evsel->core.pmu_cpus); + evsel->core.pmu_cpus = perf_cpu_map__new("1,2,3"); TEST_ASSERT_VAL("failed to synthesize attr update cpus", !perf_event__synthesize_event_update_cpus(&tmp.tool, evsel, process_event_cpus)); diff --git a/tools/perf/tests/evsel-roundtrip-name.c b/tools/perf/tests/evsel-roundtrip-name.c index e94fed901992..1922cac13a24 100644 --- a/tools/perf/tests/evsel-roundtrip-name.c +++ b/tools/perf/tests/evsel-roundtrip-name.c @@ -4,114 +4,93 @@ #include "parse-events.h" #include "tests.h" #include "debug.h" -#include "pmu.h" -#include "pmu-hybrid.h" -#include <errno.h> #include <linux/kernel.h> static int perf_evsel__roundtrip_cache_name_test(void) { - char name[128]; - int type, op, err = 0, ret = 0, i, idx; - struct evsel *evsel; - struct evlist *evlist = evlist__new(); + int ret = TEST_OK; - if (evlist == NULL) - return -ENOMEM; - - for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { - for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { + for (int type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { + for (int op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { /* skip invalid cache type */ if (!evsel__is_cache_op_valid(type, op)) continue; - for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { - __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name)); - err = parse_event(evlist, name); - if (err) - ret = err; - } - } - } - - idx = 0; - evsel = evlist__first(evlist); + for (int res = 0; res < PERF_COUNT_HW_CACHE_RESULT_MAX; res++) { + char name[128]; + struct evlist *evlist = evlist__new(); + struct evsel *evsel; + int err; - for (type = 0; type < PERF_COUNT_HW_CACHE_MAX; type++) { - for (op = 0; op < PERF_COUNT_HW_CACHE_OP_MAX; op++) { - /* skip invalid cache type */ - if (!evsel__is_cache_op_valid(type, op)) - continue; + if (evlist == NULL) { + pr_debug("Failed to alloc evlist"); + return TEST_FAIL; + } + __evsel__hw_cache_type_op_res_name(type, op, res, + name, sizeof(name)); - for (i = 0; i < PERF_COUNT_HW_CACHE_RESULT_MAX; i++) { - __evsel__hw_cache_type_op_res_name(type, op, i, name, sizeof(name)); - if (evsel->core.idx != idx) + err = parse_event(evlist, name); + if (err) { + pr_debug("Failure to parse cache event '%s' possibly as PMUs don't support it", + name); + evlist__delete(evlist); continue; - - ++idx; - - if (strcmp(evsel__name(evsel), name)) { - pr_debug("%s != %s\n", evsel__name(evsel), name); - ret = -1; } - - evsel = evsel__next(evsel); + evlist__for_each_entry(evlist, evsel) { + if (!evsel__name_is(evsel, name)) { + pr_debug("%s != %s\n", evsel__name(evsel), name); + ret = TEST_FAIL; + } + } + evlist__delete(evlist); } } } - - evlist__delete(evlist); return ret; } -static int __perf_evsel__name_array_test(const char *const names[], int nr_names, - int distance) +static int perf_evsel__name_array_test(const char *const names[], int nr_names) { - int i, err; - struct evsel *evsel; - struct evlist *evlist = evlist__new(); + int ret = TEST_OK; - if (evlist == NULL) - return -ENOMEM; + for (int i = 0; i < nr_names; ++i) { + struct evlist *evlist = evlist__new(); + struct evsel *evsel; + int err; - for (i = 0; i < nr_names; ++i) { + if (evlist == NULL) { + pr_debug("Failed to alloc evlist"); + return TEST_FAIL; + } err = parse_event(evlist, names[i]); if (err) { pr_debug("failed to parse event '%s', err %d\n", names[i], err); - goto out_delete_evlist; + evlist__delete(evlist); + ret = TEST_FAIL; + continue; } - } - - err = 0; - evlist__for_each_entry(evlist, evsel) { - if (strcmp(evsel__name(evsel), names[evsel->core.idx / distance])) { - --err; - pr_debug("%s != %s\n", evsel__name(evsel), names[evsel->core.idx / distance]); + evlist__for_each_entry(evlist, evsel) { + if (!evsel__name_is(evsel, names[i])) { + pr_debug("%s != %s\n", evsel__name(evsel), names[i]); + ret = TEST_FAIL; + } } + evlist__delete(evlist); } - -out_delete_evlist: - evlist__delete(evlist); - return err; + return ret; } -#define perf_evsel__name_array_test(names, distance) \ - __perf_evsel__name_array_test(names, ARRAY_SIZE(names), distance) - static int test__perf_evsel__roundtrip_name_test(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - int err = 0, ret = 0; - - if (perf_pmu__has_hybrid() && perf_pmu__hybrid_mounted("cpu_atom")) - return perf_evsel__name_array_test(evsel__hw_names, 2); + int err = 0, ret = TEST_OK; - err = perf_evsel__name_array_test(evsel__hw_names, 1); + err = perf_evsel__name_array_test(evsel__hw_names, PERF_COUNT_HW_MAX); if (err) ret = err; - err = __perf_evsel__name_array_test(evsel__sw_names, PERF_COUNT_SW_DUMMY + 1, 1); + err = perf_evsel__name_array_test(evsel__sw_names, PERF_COUNT_SW_DUMMY + 1); if (err) ret = err; diff --git a/tools/perf/tests/evsel-tp-sched.c b/tools/perf/tests/evsel-tp-sched.c index cf4da3d748c2..226196fb9677 100644 --- a/tools/perf/tests/evsel-tp-sched.c +++ b/tools/perf/tests/evsel-tp-sched.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/err.h> -#include <traceevent/event-parse.h> +#include <event-parse.h> #include "evsel.h" #include "tests.h" #include "debug.h" @@ -36,33 +36,33 @@ static int test__perf_evsel__tp_sched_test(struct test_suite *test __maybe_unuse int subtest __maybe_unused) { struct evsel *evsel = evsel__newtp("sched", "sched_switch"); - int ret = 0; + int ret = TEST_OK; if (IS_ERR(evsel)) { pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(evsel)); - return -1; + return PTR_ERR(evsel) == -EACCES ? TEST_SKIP : TEST_FAIL; } if (evsel__test_field(evsel, "prev_comm", 16, false)) - ret = -1; + ret = TEST_FAIL; if (evsel__test_field(evsel, "prev_pid", 4, true)) - ret = -1; + ret = TEST_FAIL; if (evsel__test_field(evsel, "prev_prio", 4, true)) - ret = -1; + ret = TEST_FAIL; if (evsel__test_field(evsel, "prev_state", sizeof(long), true)) - ret = -1; + ret = TEST_FAIL; if (evsel__test_field(evsel, "next_comm", 16, false)) - ret = -1; + ret = TEST_FAIL; if (evsel__test_field(evsel, "next_pid", 4, true)) - ret = -1; + ret = TEST_FAIL; if (evsel__test_field(evsel, "next_prio", 4, true)) - ret = -1; + ret = TEST_FAIL; evsel__delete(evsel); @@ -70,23 +70,33 @@ static int test__perf_evsel__tp_sched_test(struct test_suite *test __maybe_unuse if (IS_ERR(evsel)) { pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(evsel)); - return -1; + return TEST_FAIL; } if (evsel__test_field(evsel, "comm", 16, false)) - ret = -1; + ret = TEST_FAIL; if (evsel__test_field(evsel, "pid", 4, true)) - ret = -1; + ret = TEST_FAIL; if (evsel__test_field(evsel, "prio", 4, true)) - ret = -1; + ret = TEST_FAIL; if (evsel__test_field(evsel, "target_cpu", 4, true)) - ret = -1; + ret = TEST_FAIL; evsel__delete(evsel); return ret; } -DEFINE_SUITE("Parse sched tracepoints fields", perf_evsel__tp_sched_test); +static struct test_case tests__perf_evsel__tp_sched_test[] = { + TEST_CASE_REASON("Parse sched tracepoints fields", + perf_evsel__tp_sched_test, + "permissions"), + { .name = NULL, } +}; + +struct test_suite suite__perf_evsel__tp_sched_test = { + .desc = "Parse sched tracepoints fields", + .test_cases = tests__perf_evsel__tp_sched_test, +}; diff --git a/tools/perf/tests/expand-cgroup.c b/tools/perf/tests/expand-cgroup.c index 51fb5f34c1dd..c7b32a220ca1 100644 --- a/tools/perf/tests/expand-cgroup.c +++ b/tools/perf/tests/expand-cgroup.c @@ -13,8 +13,7 @@ #include <stdlib.h> #include <string.h> -static int test_expand_events(struct evlist *evlist, - struct rblist *metric_events) +static int test_expand_events(struct evlist *evlist) { int i, ret = TEST_FAIL; int nr_events; @@ -47,7 +46,7 @@ static int test_expand_events(struct evlist *evlist, was_group_event = evsel__is_group_event(evlist__first(evlist)); nr_members = evlist__first(evlist)->core.nr_members; - ret = evlist__expand_cgroup(evlist, cgrp_str, metric_events, false); + ret = evlist__expand_cgroup(evlist, cgrp_str, false); if (ret < 0) { pr_debug("failed to expand events for cgroups\n"); goto out; @@ -61,7 +60,7 @@ static int test_expand_events(struct evlist *evlist, i = 0; evlist__for_each_entry(evlist, evsel) { - if (strcmp(evsel->name, ev_name[i % nr_events])) { + if (!evsel__name_is(evsel, ev_name[i % nr_events])) { pr_debug("event name doesn't match:\n"); pr_debug(" evsel[%d]: %s\n expected: %s\n", i, evsel->name, ev_name[i % nr_events]); @@ -100,13 +99,11 @@ out: for (i = 0; i < nr_events; i++) static int expand_default_events(void) { int ret; - struct rblist metric_events; struct evlist *evlist = evlist__new_default(); TEST_ASSERT_VAL("failed to get evlist", evlist); - rblist__init(&metric_events); - ret = test_expand_events(evlist, &metric_events); + ret = test_expand_events(evlist); evlist__delete(evlist); return ret; } @@ -115,7 +112,6 @@ static int expand_group_events(void) { int ret; struct evlist *evlist; - struct rblist metric_events; struct parse_events_error err; const char event_str[] = "{cycles,instructions}"; @@ -127,14 +123,12 @@ static int expand_group_events(void) parse_events_error__init(&err); ret = parse_events(evlist, event_str, &err); if (ret < 0) { - pr_debug("failed to parse event '%s', err %d, str '%s'\n", - event_str, ret, err.str); + pr_debug("failed to parse event '%s', err %d\n", event_str, ret); parse_events_error__print(&err, event_str); goto out; } - rblist__init(&metric_events); - ret = test_expand_events(evlist, &metric_events); + ret = test_expand_events(evlist); out: parse_events_error__exit(&err); evlist__delete(evlist); @@ -145,7 +139,6 @@ static int expand_libpfm_events(void) { int ret; struct evlist *evlist; - struct rblist metric_events; const char event_str[] = "CYCLES"; struct option opt = { .value = &evlist, @@ -167,8 +160,7 @@ static int expand_libpfm_events(void) goto out; } - rblist__init(&metric_events); - ret = test_expand_events(evlist, &metric_events); + ret = test_expand_events(evlist); out: evlist__delete(evlist); return ret; @@ -178,26 +170,22 @@ static int expand_metric_events(void) { int ret; struct evlist *evlist; - struct rblist metric_events; const char metric_str[] = "CPI"; - const struct pmu_events_table *pme_test; + const struct pmu_metrics_table *pme_test; evlist = evlist__new(); TEST_ASSERT_VAL("failed to get evlist", evlist); - rblist__init(&metric_events); - pme_test = find_core_events_table("testarch", "testcpu"); - ret = metricgroup__parse_groups_test(evlist, pme_test, metric_str, - false, false, &metric_events); + pme_test = find_core_metrics_table("testarch", "testcpu"); + ret = metricgroup__parse_groups_test(evlist, pme_test, metric_str); if (ret < 0) { pr_debug("failed to parse '%s' metric\n", metric_str); goto out; } - ret = test_expand_events(evlist, &metric_events); + ret = test_expand_events(evlist); out: - metricgroup__rblist_exit(&metric_events); evlist__delete(evlist); return ret; } diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c index a9eb1ed6bd63..726cf8d4da28 100644 --- a/tools/perf/tests/expr.c +++ b/tools/perf/tests/expr.c @@ -6,9 +6,11 @@ #include "util/header.h" #include "util/smt.h" #include "tests.h" +#include <perf/cpumap.h> #include <math.h> #include <stdlib.h> #include <string.h> +#include <string2.h> #include <linux/zalloc.h> static int test_ids_union(void) @@ -70,14 +72,15 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u { struct expr_id_data *val_ptr; const char *p; - double val, num_cpus, num_cores, num_dies, num_packages; + double val, num_cpus_online, num_cpus, num_cores, num_dies, num_packages; int ret; struct expr_parse_ctx *ctx; - bool is_intel = false; - char buf[128]; + char strcmp_cpuid_buf[256]; + struct perf_cpu cpu = {-1}; + char *cpuid = get_cpuid_allow_env_override(cpu); + char *escaped_cpuid1, *escaped_cpuid2; - if (!get_cpuid(buf, sizeof(buf))) - is_intel = strstr(buf, "Intel") != NULL; + TEST_ASSERT_VAL("get_cpuid", cpuid); TEST_ASSERT_EQUAL("ids_union", test_ids_union(), 0); @@ -120,7 +123,8 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u p = "FOO/0"; ret = expr__parse(&val, ctx, p); - TEST_ASSERT_VAL("division by zero", ret == -1); + TEST_ASSERT_VAL("division by zero", ret == 0); + TEST_ASSERT_VAL("division by zero", isnan(val)); p = "BAR/"; ret = expr__parse(&val, ctx, p); @@ -154,13 +158,10 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u /* Only EVENT1 or EVENT2 need be measured depending on the value of smt_on. */ { - struct cpu_topology *topology = cpu_topology__new(); - bool smton = smt_on(topology); + bool smton = smt_on(); bool corewide = core_wide(/*system_wide=*/false, - /*user_requested_cpus=*/false, - topology); + /*user_requested_cpus=*/false); - cpu_topology__delete(topology); expr__ctx_clear(ctx); TEST_ASSERT_VAL("find ids", expr__find_ids("EVENT1 if #smt_on else EVENT2", @@ -187,9 +188,52 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u NULL, ctx) == 0); TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 0); + /* The expression is a constant 0.0 without needing to evaluate EVENT1. */ + expr__ctx_clear(ctx); + TEST_ASSERT_VAL("find ids", + expr__find_ids("0 & EVENT1 > 0", NULL, ctx) == 0); + TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 0); + expr__ctx_clear(ctx); + TEST_ASSERT_VAL("find ids", + expr__find_ids("EVENT1 > 0 & 0", NULL, ctx) == 0); + TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 0); + expr__ctx_clear(ctx); + TEST_ASSERT_VAL("find ids", + expr__find_ids("1 & EVENT1 > 0", NULL, ctx) == 0); + TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 1); + TEST_ASSERT_VAL("find ids", hashmap__find(ctx->ids, "EVENT1", &val_ptr)); + expr__ctx_clear(ctx); + TEST_ASSERT_VAL("find ids", + expr__find_ids("EVENT1 > 0 & 1", NULL, ctx) == 0); + TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 1); + TEST_ASSERT_VAL("find ids", hashmap__find(ctx->ids, "EVENT1", &val_ptr)); + + /* The expression is a constant 1.0 without needing to evaluate EVENT1. */ + expr__ctx_clear(ctx); + TEST_ASSERT_VAL("find ids", + expr__find_ids("1 | EVENT1 > 0", NULL, ctx) == 0); + TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 0); + expr__ctx_clear(ctx); + TEST_ASSERT_VAL("find ids", + expr__find_ids("EVENT1 > 0 | 1", NULL, ctx) == 0); + TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 0); + expr__ctx_clear(ctx); + TEST_ASSERT_VAL("find ids", + expr__find_ids("0 | EVENT1 > 0", NULL, ctx) == 0); + TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 1); + TEST_ASSERT_VAL("find ids", hashmap__find(ctx->ids, "EVENT1", &val_ptr)); + expr__ctx_clear(ctx); + TEST_ASSERT_VAL("find ids", + expr__find_ids("EVENT1 > 0 | 0", NULL, ctx) == 0); + TEST_ASSERT_VAL("find ids", hashmap__size(ctx->ids) == 1); + TEST_ASSERT_VAL("find ids", hashmap__find(ctx->ids, "EVENT1", &val_ptr)); + /* Test toplogy constants appear well ordered. */ expr__ctx_clear(ctx); + TEST_ASSERT_VAL("#num_cpus_online", + expr__parse(&num_cpus_online, ctx, "#num_cpus_online") == 0); TEST_ASSERT_VAL("#num_cpus", expr__parse(&num_cpus, ctx, "#num_cpus") == 0); + TEST_ASSERT_VAL("#num_cpus >= #num_cpus_online", num_cpus >= num_cpus_online); TEST_ASSERT_VAL("#num_cores", expr__parse(&num_cores, ctx, "#num_cores") == 0); TEST_ASSERT_VAL("#num_cpus >= #num_cores", num_cpus >= num_cores); TEST_ASSERT_VAL("#num_dies", expr__parse(&num_dies, ctx, "#num_dies") == 0); @@ -199,12 +243,19 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u if (num_dies) // Some platforms do not have CPU die support, for example s390 TEST_ASSERT_VAL("#num_dies >= #num_packages", num_dies >= num_packages); - TEST_ASSERT_VAL("#system_tsc_freq", expr__parse(&val, ctx, "#system_tsc_freq") == 0); - if (is_intel) - TEST_ASSERT_VAL("#system_tsc_freq > 0", val > 0); - else - TEST_ASSERT_VAL("#system_tsc_freq == 0", fpclassify(val) == FP_ZERO); + if (expr__parse(&val, ctx, "#system_tsc_freq") == 0) { + bool is_intel = strstr(cpuid, "Intel") != NULL; + + if (is_intel) + TEST_ASSERT_VAL("#system_tsc_freq > 0", val > 0); + else + TEST_ASSERT_VAL("#system_tsc_freq == 0", fpclassify(val) == FP_ZERO); + } else { +#if defined(__i386__) || defined(__x86_64__) + TEST_ASSERT_VAL("#system_tsc_freq unsupported", 0); +#endif + } /* * Source count returns the number of events aggregating in a leader * event including the leader. Check parsing yields an id. @@ -216,9 +267,32 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u TEST_ASSERT_VAL("source count", hashmap__size(ctx->ids) == 1); TEST_ASSERT_VAL("source count", hashmap__find(ctx->ids, "EVENT1", &val_ptr)); + + /* Test no cpuid match */ + ret = test(ctx, "strcmp_cpuid_str(0x0)", 0); + + /* + * Test cpuid match with current cpuid. Special chars have to be + * escaped. + */ + escaped_cpuid1 = strreplace_chars('-', cpuid, "\\-"); + free(cpuid); + escaped_cpuid2 = strreplace_chars(',', escaped_cpuid1, "\\,"); + free(escaped_cpuid1); + escaped_cpuid1 = strreplace_chars('=', escaped_cpuid2, "\\="); + free(escaped_cpuid2); + scnprintf(strcmp_cpuid_buf, sizeof(strcmp_cpuid_buf), + "strcmp_cpuid_str(%s)", escaped_cpuid1); + free(escaped_cpuid1); + ret |= test(ctx, strcmp_cpuid_buf, 1); + + /* has_event returns 1 when an event exists. */ + expr__add_id_val(ctx, strdup("cycles"), 2); + ret |= test(ctx, "has_event(cycles)", 1); + expr__ctx_free(ctx); - return 0; + return ret; } DEFINE_SUITE("Simple expression parser", expr); diff --git a/tools/perf/tests/hists_common.c b/tools/perf/tests/hists_common.c index 6f34d08b84e5..187f12f5bc21 100644 --- a/tools/perf/tests/hists_common.c +++ b/tools/perf/tests/hists_common.c @@ -146,7 +146,7 @@ struct machine *setup_fake_machine(struct machines *machines) goto out; } - symbols__insert(&dso->symbols, sym); + symbols__insert(dso__symbols(dso), sym); } dso__put(dso); @@ -179,9 +179,11 @@ void print_hists_in(struct hists *hists) he = rb_entry(node, struct hist_entry, rb_node_in); if (!he->filtered) { + struct dso *dso = map__dso(he->ms.map); + pr_info("%2d: entry: %-8s [%-8s] %20s: period = %"PRIu64"\n", i, thread__comm_str(he->thread), - he->ms.map->dso->short_name, + dso__short_name(dso), he->ms.sym->name, he->stat.period); } @@ -206,9 +208,11 @@ void print_hists_out(struct hists *hists) he = rb_entry(node, struct hist_entry, rb_node); if (!he->filtered) { + struct dso *dso = map__dso(he->ms.map); + pr_info("%2d: entry: %8s:%5d [%-8s] %20s: period = %"PRIu64"/%"PRIu64"\n", - i, thread__comm_str(he->thread), he->thread->tid, - he->ms.map->dso->short_name, + i, thread__comm_str(he->thread), thread__tid(he->thread), + dso__short_name(dso), he->ms.sym->name, he->stat.period, he->stat_acc ? he->stat_acc->period : 0); } diff --git a/tools/perf/tests/hists_cumulate.c b/tools/perf/tests/hists_cumulate.c index b42d37ff2399..3eb9ef8d7ec6 100644 --- a/tools/perf/tests/hists_cumulate.c +++ b/tools/perf/tests/hists_cumulate.c @@ -8,8 +8,8 @@ #include "util/evsel.h" #include "util/evlist.h" #include "util/machine.h" -#include "util/thread.h" #include "util/parse-events.h" +#include "util/thread.h" #include "tests/tests.h" #include "tests/hists_common.h" #include <linux/kernel.h> @@ -84,6 +84,7 @@ static int add_hist_entries(struct hists *hists, struct machine *machine) struct perf_sample sample = { .period = 1000, }; size_t i; + addr_location__init(&al); for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { struct hist_entry_iter iter = { .evsel = evsel, @@ -107,19 +108,22 @@ static int add_hist_entries(struct hists *hists, struct machine *machine) if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, NULL) < 0) { - addr_location__put(&al); goto out; } - fake_samples[i].thread = al.thread; - fake_samples[i].map = al.map; + thread__put(fake_samples[i].thread); + fake_samples[i].thread = thread__get(al.thread); + map__put(fake_samples[i].map); + fake_samples[i].map = map__get(al.map); fake_samples[i].sym = al.sym; } + addr_location__exit(&al); return TEST_OK; out: pr_debug("Not enough memory for adding a hist entry\n"); + addr_location__exit(&al); return TEST_FAIL; } @@ -147,15 +151,24 @@ static void del_hist_entries(struct hists *hists) } } +static void put_fake_samples(void) +{ + size_t i; + + for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { + map__zput(fake_samples[i].map); + thread__zput(fake_samples[i].thread); + } +} + typedef int (*test_fn_t)(struct evsel *, struct machine *); #define COMM(he) (thread__comm_str(he->thread)) -#define DSO(he) (he->ms.map->dso->short_name) +#define DSO(he) (dso__short_name(map__dso(he->ms.map))) #define SYM(he) (he->ms.sym->name) #define CPU(he) (he->cpu) -#define PID(he) (he->thread->tid) #define DEPTH(he) (he->callchain->max_depth) -#define CDSO(cl) (cl->ms.map->dso->short_name) +#define CDSO(cl) (dso__short_name(map__dso(cl->ms.map))) #define CSYM(cl) (cl->ms.sym->name) struct result { @@ -282,7 +295,7 @@ static int test1(struct evsel *evsel, struct machine *machine) symbol_conf.cumulate_callchain = false; evsel__reset_sample_bit(evsel, CALLCHAIN); - setup_sorting(NULL); + setup_sorting(/*evlist=*/NULL, machine->env); callchain_register_param(&callchain_param); err = add_hist_entries(hists, machine); @@ -429,7 +442,7 @@ static int test2(struct evsel *evsel, struct machine *machine) symbol_conf.cumulate_callchain = false; evsel__set_sample_bit(evsel, CALLCHAIN); - setup_sorting(NULL); + setup_sorting(/*evlist=*/NULL, machine->env); callchain_register_param(&callchain_param); err = add_hist_entries(hists, machine); @@ -487,7 +500,7 @@ static int test3(struct evsel *evsel, struct machine *machine) symbol_conf.cumulate_callchain = true; evsel__reset_sample_bit(evsel, CALLCHAIN); - setup_sorting(NULL); + setup_sorting(/*evlist=*/NULL, machine->env); callchain_register_param(&callchain_param); err = add_hist_entries(hists, machine); @@ -671,7 +684,7 @@ static int test4(struct evsel *evsel, struct machine *machine) symbol_conf.cumulate_callchain = true; evsel__set_sample_bit(evsel, CALLCHAIN); - setup_sorting(NULL); + setup_sorting(/*evlist=*/NULL, machine->env); callchain_param = callchain_param_default; callchain_register_param(&callchain_param); @@ -733,6 +746,7 @@ out: /* tear down everything */ evlist__delete(evlist); machines__exit(&machines); + put_fake_samples(); return err; } diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c index 8e1ceeb9b7b6..1cebd20cc91c 100644 --- a/tools/perf/tests/hists_filter.c +++ b/tools/perf/tests/hists_filter.c @@ -8,6 +8,7 @@ #include "util/evlist.h" #include "util/machine.h" #include "util/parse-events.h" +#include "util/thread.h" #include "tests/tests.h" #include "tests/hists_common.h" #include <linux/kernel.h> @@ -53,6 +54,7 @@ static int add_hist_entries(struct evlist *evlist, struct perf_sample sample = { .period = 100, }; size_t i; + addr_location__init(&al); /* * each evsel will have 10 samples but the 4th sample * (perf [perf] main) will be collapsed to an existing entry @@ -84,23 +86,33 @@ static int add_hist_entries(struct evlist *evlist, al.socket = fake_samples[i].socket; if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, NULL) < 0) { - addr_location__put(&al); goto out; } - fake_samples[i].thread = al.thread; - fake_samples[i].map = al.map; + thread__put(fake_samples[i].thread); + fake_samples[i].thread = thread__get(al.thread); + map__put(fake_samples[i].map); + fake_samples[i].map = map__get(al.map); fake_samples[i].sym = al.sym; } } - + addr_location__exit(&al); return 0; out: pr_debug("Not enough memory for adding a hist entry\n"); + addr_location__exit(&al); return TEST_FAIL; } +static void put_fake_samples(void) +{ + size_t i; + + for (i = 0; i < ARRAY_SIZE(fake_samples); i++) + map__put(fake_samples[i].map); +} + static int test__hists_filter(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { int err = TEST_FAIL; @@ -119,10 +131,6 @@ static int test__hists_filter(struct test_suite *test __maybe_unused, int subtes goto out; err = TEST_FAIL; - /* default sort order (comm,dso,sym) will be used */ - if (setup_sorting(NULL) < 0) - goto out; - machines__init(&machines); /* setup threads/dso/map/symbols also */ @@ -133,6 +141,10 @@ static int test__hists_filter(struct test_suite *test __maybe_unused, int subtes if (verbose > 1) machine__fprintf(machine, stderr); + /* default sort order (comm,dso,sym) will be used */ + if (setup_sorting(evlist, machine->env) < 0) + goto out; + /* process sample events */ err = add_hist_entries(evlist, machine); if (err < 0) @@ -194,7 +206,7 @@ static int test__hists_filter(struct test_suite *test __maybe_unused, int subtes hists__filter_by_thread(hists); /* now applying dso filter for 'kernel' */ - hists->dso_filter = fake_samples[0].map->dso; + hists->dso_filter = map__dso(fake_samples[0].map); hists__filter_by_dso(hists); if (verbose > 2) { @@ -288,7 +300,7 @@ static int test__hists_filter(struct test_suite *test __maybe_unused, int subtes /* now applying all filters at once. */ hists->thread_filter = fake_samples[1].thread; - hists->dso_filter = fake_samples[1].map->dso; + hists->dso_filter = map__dso(fake_samples[1].map); hists__filter_by_thread(hists); hists__filter_by_dso(hists); @@ -322,6 +334,7 @@ out: evlist__delete(evlist); reset_output_field(); machines__exit(&machines); + put_fake_samples(); return err; } diff --git a/tools/perf/tests/hists_link.c b/tools/perf/tests/hists_link.c index 14b2ff808b5e..996f5f0b3bd1 100644 --- a/tools/perf/tests/hists_link.c +++ b/tools/perf/tests/hists_link.c @@ -6,7 +6,9 @@ #include "evsel.h" #include "evlist.h" #include "machine.h" +#include "map.h" #include "parse-events.h" +#include "thread.h" #include "hists_common.h" #include "util/mmap.h" #include <errno.h> @@ -69,6 +71,7 @@ static int add_hist_entries(struct evlist *evlist, struct machine *machine) struct perf_sample sample = { .period = 1, .weight = 1, }; size_t i = 0, k; + addr_location__init(&al); /* * each evsel will have 10 samples - 5 common and 5 distinct. * However the second evsel also has a collapsed entry for @@ -87,14 +90,15 @@ static int add_hist_entries(struct evlist *evlist, struct machine *machine) goto out; he = hists__add_entry(hists, &al, NULL, - NULL, NULL, &sample, true); + NULL, NULL, NULL, &sample, true); if (he == NULL) { - addr_location__put(&al); goto out; } - fake_common_samples[k].thread = al.thread; - fake_common_samples[k].map = al.map; + thread__put(fake_common_samples[k].thread); + fake_common_samples[k].thread = thread__get(al.thread); + map__put(fake_common_samples[k].map); + fake_common_samples[k].map = map__get(al.map); fake_common_samples[k].sym = al.sym; } @@ -106,31 +110,46 @@ static int add_hist_entries(struct evlist *evlist, struct machine *machine) goto out; he = hists__add_entry(hists, &al, NULL, - NULL, NULL, &sample, true); + NULL, NULL, NULL, &sample, true); if (he == NULL) { - addr_location__put(&al); goto out; } - fake_samples[i][k].thread = al.thread; - fake_samples[i][k].map = al.map; + thread__put(fake_samples[i][k].thread); + fake_samples[i][k].thread = thread__get(al.thread); + map__put(fake_samples[i][k].map); + fake_samples[i][k].map = map__get(al.map); fake_samples[i][k].sym = al.sym; } i++; } + addr_location__exit(&al); return 0; - out: + addr_location__exit(&al); pr_debug("Not enough memory for adding a hist entry\n"); return -1; } +static void put_fake_samples(void) +{ + size_t i, j; + + for (i = 0; i < ARRAY_SIZE(fake_common_samples); i++) + map__put(fake_common_samples[i].map); + for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { + for (j = 0; j < ARRAY_SIZE(fake_samples[0]); j++) + map__put(fake_samples[i][j].map); + } +} + static int find_sample(struct sample *samples, size_t nr_samples, struct thread *t, struct map *m, struct symbol *s) { while (nr_samples--) { - if (samples->thread == t && samples->map == m && + if (RC_CHK_EQUAL(samples->thread, t) && + RC_CHK_EQUAL(samples->map, m) && samples->sym == s) return 1; samples++; @@ -284,10 +303,6 @@ static int test__hists_link(struct test_suite *test __maybe_unused, int subtest goto out; err = TEST_FAIL; - /* default sort order (comm,dso,sym) will be used */ - if (setup_sorting(NULL) < 0) - goto out; - machines__init(&machines); /* setup threads/dso/map/symbols also */ @@ -298,6 +313,10 @@ static int test__hists_link(struct test_suite *test __maybe_unused, int subtest if (verbose > 1) machine__fprintf(machine, stderr); + /* default sort order (comm,dso,sym) will be used */ + if (setup_sorting(evlist, machine->env) < 0) + goto out; + /* process sample events */ err = add_hist_entries(evlist, machine); if (err < 0) @@ -336,6 +355,7 @@ out: evlist__delete(evlist); reset_output_field(); machines__exit(&machines); + put_fake_samples(); return err; } diff --git a/tools/perf/tests/hists_output.c b/tools/perf/tests/hists_output.c index 62b0093253e3..ee5ec8bda60e 100644 --- a/tools/perf/tests/hists_output.c +++ b/tools/perf/tests/hists_output.c @@ -54,6 +54,7 @@ static int add_hist_entries(struct hists *hists, struct machine *machine) struct perf_sample sample = { .period = 100, }; size_t i; + addr_location__init(&al); for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { struct hist_entry_iter iter = { .evsel = evsel, @@ -73,19 +74,21 @@ static int add_hist_entries(struct hists *hists, struct machine *machine) if (hist_entry_iter__add(&iter, &al, sysctl_perf_event_max_stack, NULL) < 0) { - addr_location__put(&al); goto out; } fake_samples[i].thread = al.thread; - fake_samples[i].map = al.map; + map__put(fake_samples[i].map); + fake_samples[i].map = map__get(al.map); fake_samples[i].sym = al.sym; } + addr_location__exit(&al); return TEST_OK; out: pr_debug("Not enough memory for adding a hist entry\n"); + addr_location__exit(&al); return TEST_FAIL; } @@ -113,13 +116,23 @@ static void del_hist_entries(struct hists *hists) } } +static void put_fake_samples(void) +{ + size_t i; + + for (i = 0; i < ARRAY_SIZE(fake_samples); i++) { + map__put(fake_samples[i].map); + fake_samples[i].map = NULL; + } +} + typedef int (*test_fn_t)(struct evsel *, struct machine *); #define COMM(he) (thread__comm_str(he->thread)) -#define DSO(he) (he->ms.map->dso->short_name) +#define DSO(he) (dso__short_name(map__dso(he->ms.map))) #define SYM(he) (he->ms.sym->name) #define CPU(he) (he->cpu) -#define PID(he) (he->thread->tid) +#define PID(he) (thread__tid(he->thread)) /* default sort keys (no field) */ static int test1(struct evsel *evsel, struct machine *machine) @@ -133,7 +146,7 @@ static int test1(struct evsel *evsel, struct machine *machine) field_order = NULL; sort_order = NULL; /* equivalent to sort_order = "comm,dso,sym" */ - setup_sorting(NULL); + setup_sorting(/*evlist=*/NULL, machine->env); /* * expected output: @@ -235,7 +248,7 @@ static int test2(struct evsel *evsel, struct machine *machine) field_order = "overhead,cpu"; sort_order = "pid"; - setup_sorting(NULL); + setup_sorting(/*evlist=*/NULL, machine->env); /* * expected output: @@ -291,7 +304,7 @@ static int test3(struct evsel *evsel, struct machine *machine) field_order = "comm,overhead,dso"; sort_order = NULL; - setup_sorting(NULL); + setup_sorting(/*evlist=*/NULL, machine->env); /* * expected output: @@ -365,7 +378,7 @@ static int test4(struct evsel *evsel, struct machine *machine) field_order = "dso,sym,comm,overhead,dso"; sort_order = "sym"; - setup_sorting(NULL); + setup_sorting(/*evlist=*/NULL, machine->env); /* * expected output: @@ -467,7 +480,7 @@ static int test5(struct evsel *evsel, struct machine *machine) field_order = "cpu,pid,comm,dso,sym"; sort_order = "dso,pid"; - setup_sorting(NULL); + setup_sorting(/*evlist=*/NULL, machine->env); /* * expected output: @@ -620,6 +633,7 @@ out: /* tear down everything */ evlist__delete(evlist); machines__exit(&machines); + put_fake_samples(); return err; } diff --git a/tools/perf/tests/hwmon_pmu.c b/tools/perf/tests/hwmon_pmu.c new file mode 100644 index 000000000000..4aa4aac94f09 --- /dev/null +++ b/tools/perf/tests/hwmon_pmu.c @@ -0,0 +1,357 @@ +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +#include "debug.h" +#include "evlist.h" +#include "hwmon_pmu.h" +#include "parse-events.h" +#include "tests.h" +#include <errno.h> +#include <fcntl.h> +#include <sys/stat.h> +#include <linux/compiler.h> +#include <linux/kernel.h> +#include <linux/string.h> + +static const struct test_event { + const char *name; + const char *alias; + union hwmon_pmu_event_key key; +} test_events[] = { + { + "temp_test_hwmon_event1", + "temp1", + .key = { + .num = 1, + .type = 10 + }, + }, + { + "temp_test_hwmon_event2", + "temp2", + .key = { + .num = 2, + .type = 10 + }, + }, +}; + +/* Cleanup test PMU directory. */ +static int test_pmu_put(const char *dir, struct perf_pmu *hwm) +{ + char buf[PATH_MAX + 20]; + int ret; + + if (scnprintf(buf, sizeof(buf), "rm -fr %s", dir) < 0) { + pr_err("Failure to set up buffer for \"%s\"\n", dir); + return -EINVAL; + } + ret = system(buf); + if (ret) + pr_err("Failure to \"%s\"\n", buf); + + list_del(&hwm->list); + perf_pmu__delete(hwm); + return ret; +} + +/* + * Prepare test PMU directory data, normally exported by kernel at + * /sys/class/hwmon/hwmon<number>/. Give as input a buffer to hold the file + * path, the result is PMU loaded using that directory. + */ +static struct perf_pmu *test_pmu_get(char *dir, size_t sz) +{ + const char *test_hwmon_name_nl = "A test hwmon PMU\n"; + const char *test_hwmon_name = "A test hwmon PMU"; + /* Simulated hwmon items. */ + const struct test_item { + const char *name; + const char *value; + } test_items[] = { + { "temp1_label", "test hwmon event1\n", }, + { "temp1_input", "40000\n", }, + { "temp2_label", "test hwmon event2\n", }, + { "temp2_input", "50000\n", }, + }; + int hwmon_dirfd = -1, test_dirfd = -1, file; + struct perf_pmu *hwm = NULL; + ssize_t len; + + /* Create equivalent of sysfs mount point. */ + scnprintf(dir, sz, "/tmp/perf-hwmon-pmu-test-XXXXXX"); + if (!mkdtemp(dir)) { + pr_err("mkdtemp failed\n"); + dir[0] = '\0'; + return NULL; + } + test_dirfd = open(dir, O_PATH|O_DIRECTORY); + if (test_dirfd < 0) { + pr_err("Failed to open test directory \"%s\"\n", dir); + goto err_out; + } + + /* Create the test hwmon directory and give it a name. */ + if (mkdirat(test_dirfd, "hwmon1234", 0755) < 0) { + pr_err("Failed to mkdir hwmon directory\n"); + goto err_out; + } + strncat(dir, "/hwmon1234", sz - strlen(dir)); + hwmon_dirfd = open(dir, O_PATH|O_DIRECTORY); + if (hwmon_dirfd < 0) { + pr_err("Failed to open test hwmon directory \"%s\"\n", dir); + goto err_out; + } + file = openat(hwmon_dirfd, "name", O_WRONLY | O_CREAT, 0600); + if (file < 0) { + pr_err("Failed to open for writing file \"name\"\n"); + goto err_out; + } + len = strlen(test_hwmon_name_nl); + if (write(file, test_hwmon_name_nl, len) < len) { + close(file); + pr_err("Failed to write to 'name' file\n"); + goto err_out; + } + close(file); + + /* Create test hwmon files. */ + for (size_t i = 0; i < ARRAY_SIZE(test_items); i++) { + const struct test_item *item = &test_items[i]; + + file = openat(hwmon_dirfd, item->name, O_WRONLY | O_CREAT, 0600); + if (file < 0) { + pr_err("Failed to open for writing file \"%s\"\n", item->name); + goto err_out; + } + + if (write(file, item->value, strlen(item->value)) < 0) { + pr_err("Failed to write to file \"%s\"\n", item->name); + close(file); + goto err_out; + } + close(file); + } + + /* Make the PMU reading the files created above. */ + hwm = perf_pmus__add_test_hwmon_pmu(dir, "hwmon1234", test_hwmon_name); + if (!hwm) + pr_err("Test hwmon creation failed\n"); + +err_out: + if (!hwm) { + test_pmu_put(dir, hwm); + } + if (test_dirfd >= 0) + close(test_dirfd); + if (hwmon_dirfd >= 0) + close(hwmon_dirfd); + return hwm; +} + +static int do_test(size_t i, bool with_pmu, bool with_alias) +{ + const char *test_event = with_alias ? test_events[i].alias : test_events[i].name; + struct evlist *evlist = evlist__new(); + struct evsel *evsel; + struct parse_events_error err; + int ret; + char str[128]; + bool found = false; + + if (!evlist) { + pr_err("evlist allocation failed\n"); + return TEST_FAIL; + } + + if (with_pmu) + snprintf(str, sizeof(str), "hwmon_a_test_hwmon_pmu/%s/", test_event); + else + strlcpy(str, test_event, sizeof(str)); + + pr_debug("Testing '%s'\n", str); + parse_events_error__init(&err); + ret = parse_events(evlist, str, &err); + if (ret) { + pr_debug("FAILED %s:%d failed to parse event '%s', err %d\n", + __FILE__, __LINE__, str, ret); + parse_events_error__print(&err, str); + ret = TEST_FAIL; + goto out; + } + + ret = TEST_OK; + if (with_pmu ? (evlist->core.nr_entries != 1) : (evlist->core.nr_entries < 1)) { + pr_debug("FAILED %s:%d Unexpected number of events for '%s' of %d\n", + __FILE__, __LINE__, str, evlist->core.nr_entries); + ret = TEST_FAIL; + goto out; + } + + evlist__for_each_entry(evlist, evsel) { + if (!evsel->pmu || !evsel->pmu->name || + strcmp(evsel->pmu->name, "hwmon_a_test_hwmon_pmu")) + continue; + + if (evsel->core.attr.config != (u64)test_events[i].key.type_and_num) { + pr_debug("FAILED %s:%d Unexpected config for '%s', %lld != %ld\n", + __FILE__, __LINE__, str, + evsel->core.attr.config, + test_events[i].key.type_and_num); + ret = TEST_FAIL; + goto out; + } + found = true; + } + + if (!found) { + pr_debug("FAILED %s:%d Didn't find hwmon event '%s' in parsed evsels\n", + __FILE__, __LINE__, str); + ret = TEST_FAIL; + } + +out: + parse_events_error__exit(&err); + evlist__delete(evlist); + return ret; +} + +static int test__hwmon_pmu(bool with_pmu) +{ + char dir[PATH_MAX]; + struct perf_pmu *pmu = test_pmu_get(dir, sizeof(dir)); + int ret = TEST_OK; + + if (!pmu) + return TEST_FAIL; + + for (size_t i = 0; i < ARRAY_SIZE(test_events); i++) { + ret = do_test(i, with_pmu, /*with_alias=*/false); + + if (ret != TEST_OK) + break; + + ret = do_test(i, with_pmu, /*with_alias=*/true); + + if (ret != TEST_OK) + break; + } + test_pmu_put(dir, pmu); + return ret; +} + +static int test__hwmon_pmu_without_pmu(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + return test__hwmon_pmu(/*with_pmu=*/false); +} + +static int test__hwmon_pmu_with_pmu(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + return test__hwmon_pmu(/*with_pmu=*/true); +} + +static int test__parse_hwmon_filename(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + const struct hwmon_parse_test { + const char *filename; + enum hwmon_type type; + int number; + enum hwmon_item item; + bool alarm; + bool parse_ok; + } tests[] = { + { + .filename = "cpu0_accuracy", + .type = HWMON_TYPE_CPU, + .number = 0, + .item = HWMON_ITEM_ACCURACY, + .alarm = false, + .parse_ok = true, + }, + { + .filename = "temp1_input", + .type = HWMON_TYPE_TEMP, + .number = 1, + .item = HWMON_ITEM_INPUT, + .alarm = false, + .parse_ok = true, + }, + { + .filename = "fan2_vid", + .type = HWMON_TYPE_FAN, + .number = 2, + .item = HWMON_ITEM_VID, + .alarm = false, + .parse_ok = true, + }, + { + .filename = "power3_crit_alarm", + .type = HWMON_TYPE_POWER, + .number = 3, + .item = HWMON_ITEM_CRIT, + .alarm = true, + .parse_ok = true, + }, + { + .filename = "intrusion4_average_interval_min_alarm", + .type = HWMON_TYPE_INTRUSION, + .number = 4, + .item = HWMON_ITEM_AVERAGE_INTERVAL_MIN, + .alarm = true, + .parse_ok = true, + }, + { + .filename = "badtype5_baditem", + .type = HWMON_TYPE_NONE, + .number = 5, + .item = HWMON_ITEM_NONE, + .alarm = false, + .parse_ok = false, + }, + { + .filename = "humidity6_baditem", + .type = HWMON_TYPE_NONE, + .number = 6, + .item = HWMON_ITEM_NONE, + .alarm = false, + .parse_ok = false, + }, + }; + + for (size_t i = 0; i < ARRAY_SIZE(tests); i++) { + enum hwmon_type type; + int number; + enum hwmon_item item; + bool alarm; + + TEST_ASSERT_EQUAL("parse_hwmon_filename", + parse_hwmon_filename( + tests[i].filename, + &type, + &number, + &item, + &alarm), + tests[i].parse_ok + ); + if (tests[i].parse_ok) { + TEST_ASSERT_EQUAL("parse_hwmon_filename type", type, tests[i].type); + TEST_ASSERT_EQUAL("parse_hwmon_filename number", number, tests[i].number); + TEST_ASSERT_EQUAL("parse_hwmon_filename item", item, tests[i].item); + TEST_ASSERT_EQUAL("parse_hwmon_filename alarm", alarm, tests[i].alarm); + } + } + return TEST_OK; +} + +static struct test_case tests__hwmon_pmu[] = { + TEST_CASE("Basic parsing test", parse_hwmon_filename), + TEST_CASE("Parsing without PMU name", hwmon_pmu_without_pmu), + TEST_CASE("Parsing with PMU name", hwmon_pmu_with_pmu), + { .name = NULL, } +}; + +struct test_suite suite__hwmon_pmu = { + .desc = "Hwmon PMU", + .test_cases = tests__hwmon_pmu, +}; diff --git a/tools/perf/tests/kallsyms-split.c b/tools/perf/tests/kallsyms-split.c new file mode 100644 index 000000000000..bbbc66957e5d --- /dev/null +++ b/tools/perf/tests/kallsyms-split.c @@ -0,0 +1,156 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/compiler.h> +#include <fcntl.h> +#include <signal.h> +#include <unistd.h> +#include <sys/stat.h> +#include "util/dso.h" +#include "util/map.h" +#include "util/symbol.h" +#include "util/debug.h" +#include "util/machine.h" +#include "tests.h" + +/* + * This test is to check whether a bad symbol in a module won't split kallsyms maps. + * The main_symbol[1-3] should belong to the main [kernel.kallsyms] map even if the + * bad_symbol from the module is found in the middle. + */ +static char root_template[] = "/tmp/perf-test.XXXXXX"; +static char *root_dir; + +static const char proc_version[] = "Linux version X.Y.Z (just for perf test)\n"; +static const char proc_modules[] = "module 4096 1 - Live 0xffffffffcd000000\n"; +static const char proc_kallsyms[] = + "ffffffffab200000 T _stext\n" + "ffffffffab200010 T good_symbol\n" + "ffffffffab200020 t bad_symbol\n" + "ffffffffab200030 t main_symbol1\n" + "ffffffffab200040 t main_symbol2\n" + "ffffffffab200050 t main_symbol3\n" + "ffffffffab200060 T _etext\n" + "ffffffffcd000000 T start_module\t[module]\n" + "ffffffffab200020 u bad_symbol\t[module]\n" + "ffffffffcd000040 T end_module\t[module]\n"; + +static struct { + const char *name; + const char *contents; + long len; +} proc_files[] = { + { "version", proc_version, sizeof(proc_version) - 1 }, + { "modules", proc_modules, sizeof(proc_modules) - 1 }, + { "kallsyms", proc_kallsyms, sizeof(proc_kallsyms) - 1 }, +}; + +static void remove_proc_dir(int sig __maybe_unused) +{ + char buf[128]; + + if (root_dir == NULL) + return; + + for (unsigned i = 0; i < ARRAY_SIZE(proc_files); i++) { + scnprintf(buf, sizeof(buf), "%s/proc/%s", root_dir, proc_files[i].name); + remove(buf); + } + + scnprintf(buf, sizeof(buf), "%s/proc", root_dir); + rmdir(buf); + + rmdir(root_dir); + root_dir = NULL; +} + +static int create_proc_dir(void) +{ + char buf[128]; + + root_dir = mkdtemp(root_template); + if (root_dir == NULL) + return -1; + + scnprintf(buf, sizeof(buf), "%s/proc", root_dir); + if (mkdir(buf, 0700) < 0) + goto err; + + for (unsigned i = 0; i < ARRAY_SIZE(proc_files); i++) { + int fd, len; + + scnprintf(buf, sizeof(buf), "%s/proc/%s", root_dir, proc_files[i].name); + fd = open(buf, O_RDWR | O_CREAT, 0600); + if (fd < 0) + goto err; + + len = write(fd, proc_files[i].contents, proc_files[i].len); + close(fd); + if (len != proc_files[i].len) + goto err; + } + return 0; + +err: + remove_proc_dir(0); + return -1; +} + +static int test__kallsyms_split(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + struct machine m; + struct map *map = NULL; + int ret = TEST_FAIL; + + pr_debug("try to create fake root directory\n"); + if (create_proc_dir() < 0) { + pr_debug("SKIP: cannot create a fake root directory\n"); + return TEST_SKIP; + } + + signal(SIGINT, remove_proc_dir); + signal(SIGPIPE, remove_proc_dir); + signal(SIGSEGV, remove_proc_dir); + signal(SIGTERM, remove_proc_dir); + + pr_debug("create kernel maps from the fake root directory\n"); + machine__init(&m, root_dir, HOST_KERNEL_ID); + if (machine__create_kernel_maps(&m) < 0) { + pr_debug("FAIL: failed to create kernel maps\n"); + goto out; + } + + /* force to use /proc/kallsyms */ + symbol_conf.ignore_vmlinux = true; + symbol_conf.ignore_vmlinux_buildid = true; + symbol_conf.allow_aliases = true; + + if (map__load(machine__kernel_map(&m)) < 0) { + pr_debug("FAIL: failed to load kallsyms\n"); + goto out; + } + + pr_debug("kernel map loaded - check symbol and map\n"); + if (maps__nr_maps(machine__kernel_maps(&m)) != 2) { + pr_debug("FAIL: it should have the kernel and a module, but has %u maps\n", + maps__nr_maps(machine__kernel_maps(&m))); + goto out; + } + + if (machine__find_kernel_symbol_by_name(&m, "main_symbol3", &map) == NULL) { + pr_debug("FAIL: failed to find a symbol\n"); + goto out; + } + + if (!RC_CHK_EQUAL(map, machine__kernel_map(&m))) { + pr_debug("FAIL: the symbol is not in the kernel map\n"); + goto out; + } + ret = TEST_OK; + +out: + remove_proc_dir(0); + machine__exit(&m); + return ret; +} + +DEFINE_SUITE("split kallsyms", kallsyms_split); diff --git a/tools/perf/tests/keep-tracking.c b/tools/perf/tests/keep-tracking.c index 8f4f9b632e1e..729cc9cc1cb7 100644 --- a/tools/perf/tests/keep-tracking.c +++ b/tools/perf/tests/keep-tracking.c @@ -78,10 +78,10 @@ static int test__keep_tracking(struct test_suite *test __maybe_unused, int subte int found, err = -1; const char *comm; - threads = thread_map__new(-1, getpid(), UINT_MAX); + threads = thread_map__new_by_tid(getpid()); CHECK_NOT_NULL__(threads); - cpus = perf_cpu_map__new(NULL); + cpus = perf_cpu_map__new_online_cpus(); CHECK_NOT_NULL__(cpus); evlist = evlist__new(); @@ -90,7 +90,7 @@ static int test__keep_tracking(struct test_suite *test __maybe_unused, int subte perf_evlist__set_maps(&evlist->core, cpus, threads); CHECK__(parse_event(evlist, "dummy:u")); - CHECK__(parse_event(evlist, "cycles:u")); + CHECK__(parse_event(evlist, "cpu-cycles:u")); evlist__config(evlist, &opts, NULL); diff --git a/tools/perf/tests/llvm.c b/tools/perf/tests/llvm.c deleted file mode 100644 index 0bc25a56cfef..000000000000 --- a/tools/perf/tests/llvm.c +++ /dev/null @@ -1,219 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include "tests.h" -#include "debug.h" - -#ifdef HAVE_LIBBPF_SUPPORT -#include <bpf/libbpf.h> -#include <util/llvm-utils.h> -#include "llvm.h" -static int test__bpf_parsing(void *obj_buf, size_t obj_buf_sz) -{ - struct bpf_object *obj; - - obj = bpf_object__open_mem(obj_buf, obj_buf_sz, NULL); - if (libbpf_get_error(obj)) - return TEST_FAIL; - bpf_object__close(obj); - return TEST_OK; -} - -static struct { - const char *source; - const char *desc; - bool should_load_fail; -} bpf_source_table[__LLVM_TESTCASE_MAX] = { - [LLVM_TESTCASE_BASE] = { - .source = test_llvm__bpf_base_prog, - .desc = "Basic BPF llvm compile", - }, - [LLVM_TESTCASE_KBUILD] = { - .source = test_llvm__bpf_test_kbuild_prog, - .desc = "kbuild searching", - }, - [LLVM_TESTCASE_BPF_PROLOGUE] = { - .source = test_llvm__bpf_test_prologue_prog, - .desc = "Compile source for BPF prologue generation", - }, - [LLVM_TESTCASE_BPF_RELOCATION] = { - .source = test_llvm__bpf_test_relocation, - .desc = "Compile source for BPF relocation", - .should_load_fail = true, - }, -}; - -int -test_llvm__fetch_bpf_obj(void **p_obj_buf, - size_t *p_obj_buf_sz, - enum test_llvm__testcase idx, - bool force, - bool *should_load_fail) -{ - const char *source; - const char *desc; - const char *tmpl_old, *clang_opt_old; - char *tmpl_new = NULL, *clang_opt_new = NULL; - int err, old_verbose, ret = TEST_FAIL; - - if (idx >= __LLVM_TESTCASE_MAX) - return TEST_FAIL; - - source = bpf_source_table[idx].source; - desc = bpf_source_table[idx].desc; - if (should_load_fail) - *should_load_fail = bpf_source_table[idx].should_load_fail; - - /* - * Skip this test if user's .perfconfig doesn't set [llvm] section - * and clang is not found in $PATH - */ - if (!force && (!llvm_param.user_set_param && - llvm__search_clang())) { - pr_debug("No clang, skip this test\n"); - return TEST_SKIP; - } - - /* - * llvm is verbosity when error. Suppress all error output if - * not 'perf test -v'. - */ - old_verbose = verbose; - if (verbose == 0) - verbose = -1; - - *p_obj_buf = NULL; - *p_obj_buf_sz = 0; - - if (!llvm_param.clang_bpf_cmd_template) - goto out; - - if (!llvm_param.clang_opt) - llvm_param.clang_opt = strdup(""); - - err = asprintf(&tmpl_new, "echo '%s' | %s%s", source, - llvm_param.clang_bpf_cmd_template, - old_verbose ? "" : " 2>/dev/null"); - if (err < 0) - goto out; - err = asprintf(&clang_opt_new, "-xc %s", llvm_param.clang_opt); - if (err < 0) - goto out; - - tmpl_old = llvm_param.clang_bpf_cmd_template; - llvm_param.clang_bpf_cmd_template = tmpl_new; - clang_opt_old = llvm_param.clang_opt; - llvm_param.clang_opt = clang_opt_new; - - err = llvm__compile_bpf("-", p_obj_buf, p_obj_buf_sz); - - llvm_param.clang_bpf_cmd_template = tmpl_old; - llvm_param.clang_opt = clang_opt_old; - - verbose = old_verbose; - if (err) - goto out; - - ret = TEST_OK; -out: - free(tmpl_new); - free(clang_opt_new); - if (ret != TEST_OK) - pr_debug("Failed to compile test case: '%s'\n", desc); - return ret; -} - -static int test__llvm(int subtest) -{ - int ret; - void *obj_buf = NULL; - size_t obj_buf_sz = 0; - bool should_load_fail = false; - - if ((subtest < 0) || (subtest >= __LLVM_TESTCASE_MAX)) - return TEST_FAIL; - - ret = test_llvm__fetch_bpf_obj(&obj_buf, &obj_buf_sz, - subtest, false, &should_load_fail); - - if (ret == TEST_OK && !should_load_fail) { - ret = test__bpf_parsing(obj_buf, obj_buf_sz); - if (ret != TEST_OK) { - pr_debug("Failed to parse test case '%s'\n", - bpf_source_table[subtest].desc); - } - } - free(obj_buf); - - return ret; -} -#endif //HAVE_LIBBPF_SUPPORT - -static int test__llvm__bpf_base_prog(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) -{ -#ifdef HAVE_LIBBPF_SUPPORT - return test__llvm(LLVM_TESTCASE_BASE); -#else - pr_debug("Skip LLVM test because BPF support is not compiled\n"); - return TEST_SKIP; -#endif -} - -static int test__llvm__bpf_test_kbuild_prog(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) -{ -#ifdef HAVE_LIBBPF_SUPPORT - return test__llvm(LLVM_TESTCASE_KBUILD); -#else - pr_debug("Skip LLVM test because BPF support is not compiled\n"); - return TEST_SKIP; -#endif -} - -static int test__llvm__bpf_test_prologue_prog(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) -{ -#ifdef HAVE_LIBBPF_SUPPORT - return test__llvm(LLVM_TESTCASE_BPF_PROLOGUE); -#else - pr_debug("Skip LLVM test because BPF support is not compiled\n"); - return TEST_SKIP; -#endif -} - -static int test__llvm__bpf_test_relocation(struct test_suite *test __maybe_unused, - int subtest __maybe_unused) -{ -#ifdef HAVE_LIBBPF_SUPPORT - return test__llvm(LLVM_TESTCASE_BPF_RELOCATION); -#else - pr_debug("Skip LLVM test because BPF support is not compiled\n"); - return TEST_SKIP; -#endif -} - - -static struct test_case llvm_tests[] = { -#ifdef HAVE_LIBBPF_SUPPORT - TEST_CASE("Basic BPF llvm compile", llvm__bpf_base_prog), - TEST_CASE("kbuild searching", llvm__bpf_test_kbuild_prog), - TEST_CASE("Compile source for BPF prologue generation", - llvm__bpf_test_prologue_prog), - TEST_CASE("Compile source for BPF relocation", llvm__bpf_test_relocation), -#else - TEST_CASE_REASON("Basic BPF llvm compile", llvm__bpf_base_prog, "not compiled in"), - TEST_CASE_REASON("kbuild searching", llvm__bpf_test_kbuild_prog, "not compiled in"), - TEST_CASE_REASON("Compile source for BPF prologue generation", - llvm__bpf_test_prologue_prog, "not compiled in"), - TEST_CASE_REASON("Compile source for BPF relocation", - llvm__bpf_test_relocation, "not compiled in"), -#endif - { .name = NULL, } -}; - -struct test_suite suite__llvm = { - .desc = "LLVM search and compile", - .test_cases = llvm_tests, -}; diff --git a/tools/perf/tests/llvm.h b/tools/perf/tests/llvm.h deleted file mode 100644 index f68b0d9b8ae2..000000000000 --- a/tools/perf/tests/llvm.h +++ /dev/null @@ -1,31 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef PERF_TEST_LLVM_H -#define PERF_TEST_LLVM_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include <stddef.h> /* for size_t */ -#include <stdbool.h> /* for bool */ - -extern const char test_llvm__bpf_base_prog[]; -extern const char test_llvm__bpf_test_kbuild_prog[]; -extern const char test_llvm__bpf_test_prologue_prog[]; -extern const char test_llvm__bpf_test_relocation[]; - -enum test_llvm__testcase { - LLVM_TESTCASE_BASE, - LLVM_TESTCASE_KBUILD, - LLVM_TESTCASE_BPF_PROLOGUE, - LLVM_TESTCASE_BPF_RELOCATION, - __LLVM_TESTCASE_MAX, -}; - -int test_llvm__fetch_bpf_obj(void **p_obj_buf, size_t *p_obj_buf_sz, - enum test_llvm__testcase index, bool force, - bool *should_load_fail); -#ifdef __cplusplus -} -#endif -#endif diff --git a/tools/perf/tests/make b/tools/perf/tests/make index 009d6efb673c..6641701e4828 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -62,38 +62,42 @@ lib = lib endif has = $(shell which $1 2>/dev/null) +python_perf_so := $(shell $(MAKE) python_perf_target|grep "Target is:"|awk '{print $$3}') # standard single make variable specified make_clean_all := clean all -make_python_perf_so := python/perf.so +make_python_perf_so := $(python_perf_so) make_debug := DEBUG=1 -make_no_libperl := NO_LIBPERL=1 +make_nondistro := BUILD_NONDISTRO=1 +make_extra_tests := EXTRA_TESTS=1 +make_jevents_all := JEVENTS_ARCH=all +make_no_bpf_skel := BUILD_BPF_SKEL=0 +make_gen_vmlinux_h := GEN_VMLINUX_H=1 +make_libperl := LIBPERL=1 make_no_libpython := NO_LIBPYTHON=1 -make_no_scripts := NO_LIBPYTHON=1 NO_LIBPERL=1 -make_no_newt := NO_NEWT=1 +make_no_scripts := NO_LIBPYTHON=1 make_no_slang := NO_SLANG=1 make_no_gtk2 := NO_GTK2=1 -make_no_ui := NO_NEWT=1 NO_SLANG=1 NO_GTK2=1 +make_no_ui := NO_SLANG=1 NO_GTK2=1 make_no_demangle := NO_DEMANGLE=1 make_no_libelf := NO_LIBELF=1 -make_no_libunwind := NO_LIBUNWIND=1 +make_no_libdw := NO_LIBDW=1 +make_libunwind := LIBUNWIND=1 make_no_libdw_dwarf_unwind := NO_LIBDW_DWARF_UNWIND=1 make_no_backtrace := NO_BACKTRACE=1 +make_no_libcapstone := NO_CAPSTONE=1 make_no_libnuma := NO_LIBNUMA=1 -make_no_libaudit := NO_LIBAUDIT=1 make_no_libbionic := NO_LIBBIONIC=1 -make_no_auxtrace := NO_AUXTRACE=1 make_no_libbpf := NO_LIBBPF=1 make_libbpf_dynamic := LIBBPF_DYNAMIC=1 make_no_libbpf_DEBUG := NO_LIBBPF=1 DEBUG=1 -make_no_libcrypto := NO_LIBCRYPTO=1 +make_no_libllvm := NO_LIBLLVM=1 make_with_babeltrace:= LIBBABELTRACE=1 make_with_coresight := CORESIGHT=1 make_no_sdt := NO_SDT=1 -make_no_syscall_tbl := NO_SYSCALL_TABLE=1 -make_with_clangllvm := LIBCLANGLLVM=1 -make_with_libpfm4 := LIBPFM4=1 +make_no_libpfm4 := NO_LIBPFM4=1 make_with_gtk2 := GTK2=1 +make_refcnt_check := EXTRA_CFLAGS="-DREFCNT_CHECKING=1" make_tags := tags make_cscope := cscope make_help := help @@ -110,15 +114,15 @@ make_install_info := install-info make_install_pdf := install-pdf make_install_prefix := install prefix=/tmp/krava make_install_prefix_slash := install prefix=/tmp/krava/ -make_static := LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1 +make_static := LDFLAGS=-static NO_PERF_READ_VDSO32=1 NO_PERF_READ_VDSOX32=1 NO_JVMTI=1 NO_LIBTRACEEVENT=1 NO_LIBELF=1 # all the NO_* variable combined -make_minimal := NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 -make_minimal += NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 -make_minimal += NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 -make_minimal += NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 -make_minimal += NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 -make_minimal += NO_LIBCAP=1 NO_SYSCALL_TABLE=1 +make_minimal := NO_LIBPYTHON=1 NO_GTK2=1 +make_minimal += NO_DEMANGLE=1 NO_LIBELF=1 NO_BACKTRACE=1 +make_minimal += NO_LIBNUMA=1 NO_LIBBIONIC=1 NO_LIBDW=1 +make_minimal += NO_LIBDW_DWARF_UNWIND=1 NO_LIBBPF=1 +make_minimal += NO_SDT=1 NO_JVMTI=1 NO_LIBZSTD=1 +make_minimal += NO_LIBCAP=1 NO_CAPSTONE=1 # $(run) contains all available tests run := make_pure @@ -133,32 +137,36 @@ MAKE_F := $(MAKE) -f $(MK) endif run += make_python_perf_so run += make_debug -run += make_no_libperl +run += make_nondistro +run += make_extra_tests +run += make_jevents_all +run += make_no_bpf_skel +run += make_gen_vmlinux_h +run += make_libperl run += make_no_libpython run += make_no_scripts -run += make_no_newt run += make_no_slang run += make_no_gtk2 run += make_no_ui run += make_no_demangle run += make_no_libelf -run += make_no_libunwind +run += make_no_libdw +run += make_libunwind run += make_no_libdw_dwarf_unwind run += make_no_backtrace +run += make_no_libcapstone run += make_no_libnuma -run += make_no_libaudit run += make_no_libbionic -run += make_no_auxtrace run += make_no_libbpf -run += make_libbpf_dynamic run += make_no_libbpf_DEBUG -run += make_no_libcrypto +run += make_no_libllvm run += make_no_sdt run += make_no_syscall_tbl run += make_with_babeltrace run += make_with_coresight run += make_with_clangllvm -run += make_with_libpfm4 +run += make_no_libpfm4 +run += make_refcnt_check run += make_help run += make_doc run += make_perf_o @@ -176,6 +184,12 @@ run += make_install_prefix_slash # run += make_install_pdf run += make_minimal +old_libbpf := $(shell echo '\#include <bpf/libbpf.h>' | $(CC) -E -dM -x c -| grep -q -E "define[[:space:]]+LIBBPF_MAJOR_VERSION[[:space:]]+0{1}") + +ifneq ($(old_libbpf),) +run += make_libbpf_dynamic +endif + ifneq ($(call has,ctags),) run += make_tags endif @@ -204,7 +218,7 @@ test_make_doc := $(test_ok) test_make_help_O := $(test_ok) test_make_doc_O := $(test_ok) -test_make_python_perf_so := test -f $(PERF_O)/python/perf.so +test_make_python_perf_so := test -f $(PERF_O)/$(python_perf_so) test_make_perf_o := test -f $(PERF_O)/perf.o test_make_util_map_o := test -f $(PERF_O)/util/map.o diff --git a/tools/perf/tests/maps.c b/tools/perf/tests/maps.c index a69988a89d26..2c05d62f40dc 100644 --- a/tools/perf/tests/maps.c +++ b/tools/perf/tests/maps.c @@ -1,4 +1,5 @@ // SPDX-License-Identifier: GPL-2.0 +#include <inttypes.h> #include <linux/compiler.h> #include <linux/kernel.h> #include "tests.h" @@ -13,24 +14,61 @@ struct map_def { u64 end; }; -static int check_maps(struct map_def *merged, unsigned int size, struct maps *maps) +struct check_maps_cb_args { + struct map_def *merged; + unsigned int i; +}; + +static int check_maps_cb(struct map *map, void *data) { - struct map *map; - unsigned int i = 0; + struct check_maps_cb_args *args = data; + struct map_def *merged = &args->merged[args->i]; + + if (map__start(map) != merged->start || + map__end(map) != merged->end || + strcmp(dso__name(map__dso(map)), merged->name) || + refcount_read(map__refcnt(map)) != 1) { + return 1; + } + args->i++; + return 0; +} - maps__for_each_entry(maps, map) { - if (i > 0) - TEST_ASSERT_VAL("less maps expected", (map && i < size) || (!map && i == size)); +static int failed_cb(struct map *map, void *data __maybe_unused) +{ + pr_debug("\tstart: %" PRIu64 " end: %" PRIu64 " name: '%s' refcnt: %d\n", + map__start(map), + map__end(map), + dso__name(map__dso(map)), + refcount_read(map__refcnt(map))); - TEST_ASSERT_VAL("wrong map start", map->start == merged[i].start); - TEST_ASSERT_VAL("wrong map end", map->end == merged[i].end); - TEST_ASSERT_VAL("wrong map name", !strcmp(map->dso->name, merged[i].name)); - TEST_ASSERT_VAL("wrong map refcnt", refcount_read(&map->refcnt) == 1); + return 0; +} - i++; +static int check_maps(struct map_def *merged, unsigned int size, struct maps *maps) +{ + bool failed = false; + + if (maps__nr_maps(maps) != size) { + pr_debug("Expected %d maps, got %d", size, maps__nr_maps(maps)); + failed = true; + } else { + struct check_maps_cb_args args = { + .merged = merged, + .i = 0, + }; + failed = maps__for_each_map(maps, check_maps_cb, &args); } - - return TEST_OK; + if (failed) { + pr_debug("Expected:\n"); + for (unsigned int i = 0; i < size; i++) { + pr_debug("\tstart: %" PRIu64 " end: %" PRIu64 " name: '%s' refcnt: 1\n", + merged[i].start, merged[i].end, merged[i].name); + } + pr_debug("Got:\n"); + maps__for_each_map(maps, failed_cb, NULL); + } + return failed ? TEST_FAIL : TEST_OK; } static int test__maps__merge_in(struct test_suite *t __maybe_unused, int subtest __maybe_unused) @@ -72,9 +110,9 @@ static int test__maps__merge_in(struct test_suite *t __maybe_unused, int subtest map = dso__new_map(bpf_progs[i].name); TEST_ASSERT_VAL("failed to create map", map); - map->start = bpf_progs[i].start; - map->end = bpf_progs[i].end; - maps__insert(maps, map); + map__set_start(map, bpf_progs[i].start); + map__set_end(map, bpf_progs[i].end); + TEST_ASSERT_VAL("failed to insert map", maps__insert(maps, map) == 0); map__put(map); } @@ -88,16 +126,16 @@ static int test__maps__merge_in(struct test_suite *t __maybe_unused, int subtest TEST_ASSERT_VAL("failed to create map", map_kcore3); /* kcore1 map overlaps over all bpf maps */ - map_kcore1->start = 100; - map_kcore1->end = 1000; + map__set_start(map_kcore1, 100); + map__set_end(map_kcore1, 1000); /* kcore2 map hides behind bpf_prog_2 */ - map_kcore2->start = 550; - map_kcore2->end = 570; + map__set_start(map_kcore2, 550); + map__set_end(map_kcore2, 570); /* kcore3 map hides behind bpf_prog_3, kcore1 and adds new map */ - map_kcore3->start = 880; - map_kcore3->end = 1100; + map__set_start(map_kcore3, 880); + map__set_end(map_kcore3, 1100); ret = maps__merge_in(maps, map_kcore1); TEST_ASSERT_VAL("failed to merge map", !ret); @@ -117,8 +155,91 @@ static int test__maps__merge_in(struct test_suite *t __maybe_unused, int subtest ret = check_maps(merged3, ARRAY_SIZE(merged3), maps); TEST_ASSERT_VAL("merge check failed", !ret); - maps__delete(maps); + maps__zput(maps); + map__zput(map_kcore1); + map__zput(map_kcore2); + map__zput(map_kcore3); + return TEST_OK; +} + +static int test__maps__fixup_overlap_and_insert(struct test_suite *t __maybe_unused, + int subtest __maybe_unused) +{ + struct map_def initial_maps[] = { + { "target_map", 1000, 2000 }, + { "next_map", 3000, 4000 }, + }; + struct map_def insert_split = { "split_map", 1400, 1600 }; + struct map_def expected_after_split[] = { + { "target_map", 1000, 1400 }, + { "split_map", 1400, 1600 }, + { "target_map", 1600, 2000 }, + { "next_map", 3000, 4000 }, + }; + + struct map_def insert_eclipse = { "eclipse_map", 2500, 4500 }; + struct map_def expected_final[] = { + { "target_map", 1000, 1400 }, + { "split_map", 1400, 1600 }, + { "target_map", 1600, 2000 }, + { "eclipse_map", 2500, 4500 }, + /* "next_map" (3000-4000) is removed */ + }; + + struct map *map_split, *map_eclipse; + int ret; + unsigned int i; + struct maps *maps = maps__new(NULL); + + TEST_ASSERT_VAL("failed to create maps", maps); + + for (i = 0; i < ARRAY_SIZE(initial_maps); i++) { + struct map *map = dso__new_map(initial_maps[i].name); + + TEST_ASSERT_VAL("failed to create map", map); + map__set_start(map, initial_maps[i].start); + map__set_end(map, initial_maps[i].end); + TEST_ASSERT_VAL("failed to insert map", maps__insert(maps, map) == 0); + map__put(map); + } + + // Check splitting. + map_split = dso__new_map(insert_split.name); + TEST_ASSERT_VAL("failed to create split map", map_split); + map__set_start(map_split, insert_split.start); + map__set_end(map_split, insert_split.end); + + ret = maps__fixup_overlap_and_insert(maps, map_split); + TEST_ASSERT_VAL("failed to fixup and insert split map", !ret); + + map__zput(map_split); + ret = check_maps(expected_after_split, ARRAY_SIZE(expected_after_split), maps); + TEST_ASSERT_VAL("split check failed", !ret); + + // Check cover 1 map with another. + map_eclipse = dso__new_map(insert_eclipse.name); + TEST_ASSERT_VAL("failed to create eclipse map", map_eclipse); + map__set_start(map_eclipse, insert_eclipse.start); + map__set_end(map_eclipse, insert_eclipse.end); + + ret = maps__fixup_overlap_and_insert(maps, map_eclipse); + TEST_ASSERT_VAL("failed to fixup and insert eclipse map", !ret); + + map__zput(map_eclipse); + ret = check_maps(expected_final, ARRAY_SIZE(expected_final), maps); + TEST_ASSERT_VAL("eclipse check failed", !ret); + + maps__zput(maps); return TEST_OK; } -DEFINE_SUITE("maps__merge_in", maps__merge_in); +static struct test_case tests__maps[] = { + TEST_CASE("Test merge_in interface", maps__merge_in), + TEST_CASE("Test fix up overlap interface", maps__fixup_overlap_and_insert), + { .name = NULL, } +}; + +struct test_suite suite__maps = { + .desc = "Maps - per process mmaps abstraction", + .test_cases = tests__maps, +}; diff --git a/tools/perf/tests/mem.c b/tools/perf/tests/mem.c index 56014ec7d49d..cb3d749e157b 100644 --- a/tools/perf/tests/mem.c +++ b/tools/perf/tests/mem.c @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 #include "util/map_symbol.h" #include "util/mem-events.h" +#include "util/mem-info.h" #include "util/symbol.h" #include "linux/perf_event.h" #include "util/debug.h" @@ -12,12 +13,14 @@ static int check(union perf_mem_data_src data_src, { char out[100]; char failure[100]; - struct mem_info mi = { .data_src = data_src }; - + struct mem_info *mi = mem_info__new(); int n; - n = perf_mem__snp_scnprintf(out, sizeof out, &mi); - n += perf_mem__lvl_scnprintf(out + n, sizeof out - n, &mi); + TEST_ASSERT_VAL("Memory allocation failed", mi); + *mem_info__data_src(mi) = data_src; + n = perf_mem__snp_scnprintf(out, sizeof out, mi); + n += perf_mem__lvl_scnprintf(out + n, sizeof out - n, mi); + mem_info__put(mi); scnprintf(failure, sizeof failure, "unexpected %s", out); TEST_ASSERT_VAL(failure, !strcmp(string, out)); return 0; diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c index e68ca6229756..3313c236104e 100644 --- a/tools/perf/tests/mmap-basic.c +++ b/tools/perf/tests/mmap-basic.c @@ -1,15 +1,18 @@ // SPDX-License-Identifier: GPL-2.0 #include <errno.h> +#include <fcntl.h> #include <inttypes.h> #include <stdlib.h> #include <perf/cpumap.h> +#include "cpumap.h" #include "debug.h" #include "event.h" #include "evlist.h" #include "evsel.h" #include "thread_map.h" #include "tests.h" +#include "util/affinity.h" #include "util/mmap.h" #include "util/sample.h" #include <linux/err.h> @@ -46,13 +49,13 @@ static int test__basic_mmap(struct test_suite *test __maybe_unused, int subtest char sbuf[STRERR_BUFSIZE]; struct mmap *md; - threads = thread_map__new(-1, getpid(), UINT_MAX); + threads = thread_map__new_by_tid(getpid()); if (threads == NULL) { pr_debug("thread_map__new\n"); return -1; } - cpus = perf_cpu_map__new(NULL); + cpus = perf_cpu_map__new_online_cpus(); if (cpus == NULL) { pr_debug("perf_cpu_map__new\n"); goto out_free_threads; @@ -130,14 +133,17 @@ static int test__basic_mmap(struct test_suite *test __maybe_unused, int subtest goto out_delete_evlist; } + perf_sample__init(&sample, /*all=*/false); err = evlist__parse_sample(evlist, event, &sample); if (err) { pr_err("Can't parse sample, err = %d\n", err); + perf_sample__exit(&sample); goto out_delete_evlist; } err = -1; evsel = evlist__id2evsel(evlist, sample.id); + perf_sample__exit(&sample); if (evsel == NULL) { pr_debug("event with id %" PRIu64 " doesn't map to an evsel\n", sample.id); @@ -169,99 +175,199 @@ out_free_threads: return err; } -static int test_stat_user_read(int event) +enum user_read_state { + USER_READ_ENABLED, + USER_READ_DISABLED, + USER_READ_UNKNOWN, +}; + +static enum user_read_state set_user_read(struct perf_pmu *pmu, enum user_read_state enabled) { - struct perf_counts_values counts = { .val = 0 }; - struct perf_thread_map *threads; - struct perf_evsel *evsel; - struct perf_event_mmap_page *pc; - struct perf_event_attr attr = { - .type = PERF_TYPE_HARDWARE, - .config = event, -#ifdef __aarch64__ - .config1 = 0x2, /* Request user access */ -#endif - }; - int err, i, ret = TEST_FAIL; - bool opened = false, mapped = false; + char buf[2] = {0, '\n'}; + ssize_t len; + int events_fd, rdpmc_fd; + enum user_read_state old_user_read = USER_READ_UNKNOWN; + + if (enabled == USER_READ_UNKNOWN) + return USER_READ_UNKNOWN; + + events_fd = perf_pmu__event_source_devices_fd(); + if (events_fd < 0) + return USER_READ_UNKNOWN; + + rdpmc_fd = perf_pmu__pathname_fd(events_fd, pmu->name, "rdpmc", O_RDWR); + if (rdpmc_fd < 0) { + close(events_fd); + return USER_READ_UNKNOWN; + } - threads = perf_thread_map__new_dummy(); - TEST_ASSERT_VAL("failed to create threads", threads); + len = read(rdpmc_fd, buf, sizeof(buf)); + if (len != sizeof(buf)) + pr_debug("%s read failed\n", __func__); - perf_thread_map__set_pid(threads, 0, 0); + // Note, on Intel hybrid disabling on 1 PMU will implicitly disable on + // all the core PMUs. + old_user_read = (buf[0] == '1') ? USER_READ_ENABLED : USER_READ_DISABLED; - evsel = perf_evsel__new(&attr); - TEST_ASSERT_VAL("failed to create evsel", evsel); - - err = perf_evsel__open(evsel, NULL, threads); - if (err) { - pr_err("failed to open evsel: %s\n", strerror(-err)); - ret = TEST_SKIP; - goto out; + if (enabled != old_user_read) { + buf[0] = (enabled == USER_READ_ENABLED) ? '1' : '0'; + len = write(rdpmc_fd, buf, sizeof(buf)); + if (len != sizeof(buf)) + pr_debug("%s write failed\n", __func__); } - opened = true; + close(rdpmc_fd); + close(events_fd); + return old_user_read; +} - err = perf_evsel__mmap(evsel, 0); - if (err) { - pr_err("failed to mmap evsel: %s\n", strerror(-err)); - goto out; +static int test_stat_user_read(u64 event, enum user_read_state enabled) +{ + struct perf_pmu *pmu = NULL; + struct perf_thread_map *threads = perf_thread_map__new_dummy(); + int ret = TEST_OK; + + pr_err("User space counter reading %" PRIu64 "\n", event); + if (!threads) { + pr_err("User space counter reading [Failed to create threads]\n"); + return TEST_FAIL; } - mapped = true; + perf_thread_map__set_pid(threads, 0, 0); - pc = perf_evsel__mmap_base(evsel, 0, 0); - if (!pc) { - pr_err("failed to get mmapped address\n"); - goto out; - } + while ((pmu = perf_pmus__scan_core(pmu)) != NULL) { + enum user_read_state saved_user_read_state = set_user_read(pmu, enabled); + struct perf_event_attr attr = { + .type = PERF_TYPE_HARDWARE, + .config = perf_pmus__supports_extended_type() + ? event | ((u64)pmu->type << PERF_PMU_TYPE_SHIFT) + : event, +#ifdef __aarch64__ + .config1 = 0x2, /* Request user access */ +#endif + }; + struct perf_evsel *evsel = NULL; + int err; + struct perf_event_mmap_page *pc; + bool mapped = false, opened = false, rdpmc_supported; + struct perf_counts_values counts = { .val = 0 }; + + + pr_debug("User space counter reading for PMU %s\n", pmu->name); + /* + * Restrict scheduling to only use the rdpmc on the CPUs the + * event can be on. If the test doesn't run on the CPU of the + * event then the event will be disabled and the pc->index test + * will fail. + */ + if (pmu->cpus != NULL) + cpu_map__set_affinity(pmu->cpus); + + /* Make the evsel. */ + evsel = perf_evsel__new(&attr); + if (!evsel) { + pr_err("User space counter reading for PMU %s [Failed to allocate evsel]\n", + pmu->name); + ret = TEST_FAIL; + goto cleanup; + } - if (!pc->cap_user_rdpmc || !pc->index) { - pr_err("userspace counter access not %s\n", - !pc->cap_user_rdpmc ? "supported" : "enabled"); - ret = TEST_SKIP; - goto out; - } - if (pc->pmc_width < 32) { - pr_err("userspace counter width not set (%d)\n", pc->pmc_width); - goto out; - } + err = perf_evsel__open(evsel, NULL, threads); + if (err) { + pr_err("User space counter reading for PMU %s [Failed to open evsel]\n", + pmu->name); + ret = TEST_SKIP; + goto cleanup; + } + opened = true; + err = perf_evsel__mmap(evsel, 0); + if (err) { + pr_err("User space counter reading for PMU %s [Failed to mmap evsel]\n", + pmu->name); + ret = TEST_FAIL; + goto cleanup; + } + mapped = true; + + pc = perf_evsel__mmap_base(evsel, 0, 0); + if (!pc) { + pr_err("User space counter reading for PMU %s [Failed to get mmaped address]\n", + pmu->name); + ret = TEST_FAIL; + goto cleanup; + } - perf_evsel__read(evsel, 0, 0, &counts); - if (counts.val == 0) { - pr_err("failed to read value for evsel\n"); - goto out; - } + if (saved_user_read_state == USER_READ_UNKNOWN) + rdpmc_supported = pc->cap_user_rdpmc && pc->index; + else + rdpmc_supported = (enabled == USER_READ_ENABLED); - for (i = 0; i < 5; i++) { - volatile int count = 0x10000 << i; - __u64 start, end, last = 0; + if (rdpmc_supported && (!pc->cap_user_rdpmc || !pc->index)) { + pr_err("User space counter reading for PMU %s [Failed unexpected supported counter access %d %d]\n", + pmu->name, pc->cap_user_rdpmc, pc->index); + ret = TEST_FAIL; + goto cleanup; + } + + if (!rdpmc_supported && pc->cap_user_rdpmc) { + pr_err("User space counter reading for PMU %s [Failed unexpected unsupported counter access %d]\n", + pmu->name, pc->cap_user_rdpmc); + ret = TEST_FAIL; + goto cleanup; + } - pr_debug("\tloop = %u, ", count); + if (rdpmc_supported && pc->pmc_width < 32) { + pr_err("User space counter reading for PMU %s [Failed width not set %d]\n", + pmu->name, pc->pmc_width); + ret = TEST_FAIL; + goto cleanup; + } perf_evsel__read(evsel, 0, 0, &counts); - start = counts.val; + if (rdpmc_supported && counts.val == 0) { + pr_err("User space counter reading for PMU %s [Failed read]\n", pmu->name); + ret = TEST_FAIL; + goto cleanup; + } - while (count--) ; + for (int i = 0; i < 5; i++) { + volatile int count = 0x10000 << i; + __u64 start, end, last = 0; - perf_evsel__read(evsel, 0, 0, &counts); - end = counts.val; + pr_debug("\tloop = %u, ", count); - if ((end - start) < last) { - pr_err("invalid counter data: end=%llu start=%llu last= %llu\n", - end, start, last); - goto out; - } - last = end - start; - pr_debug("count = %llu\n", end - start); - } - ret = TEST_OK; + perf_evsel__read(evsel, 0, 0, &counts); + start = counts.val; + + while (count--) ; -out: - if (mapped) - perf_evsel__munmap(evsel); - if (opened) - perf_evsel__close(evsel); - perf_evsel__delete(evsel); + perf_evsel__read(evsel, 0, 0, &counts); + end = counts.val; + if ((end - start) < last) { + pr_err("User space counter reading for PMU %s [Failed invalid counter data: end=%llu start=%llu last= %llu]\n", + pmu->name, end, start, last); + ret = TEST_FAIL; + goto cleanup; + } + last = end - start; + pr_debug("count = %llu\n", last); + } + pr_debug("User space counter reading for PMU %s [Success]\n", pmu->name); +cleanup: + if (mapped) + perf_evsel__munmap(evsel); + if (opened) + perf_evsel__close(evsel); + perf_evsel__delete(evsel); + + /* If the affinity was changed, then put it back to all CPUs. */ + if (pmu->cpus != NULL) { + struct perf_cpu_map *cpus = cpu_map__online(); + + cpu_map__set_affinity(cpus); + perf_cpu_map__put(cpus); + } + set_user_read(pmu, saved_user_read_state); + } perf_thread_map__put(threads); return ret; } @@ -269,30 +375,62 @@ out: static int test__mmap_user_read_instr(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - return test_stat_user_read(PERF_COUNT_HW_INSTRUCTIONS); + return test_stat_user_read(PERF_COUNT_HW_INSTRUCTIONS, USER_READ_ENABLED); } static int test__mmap_user_read_cycles(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - return test_stat_user_read(PERF_COUNT_HW_CPU_CYCLES); + return test_stat_user_read(PERF_COUNT_HW_CPU_CYCLES, USER_READ_ENABLED); +} + +static int test__mmap_user_read_instr_disabled(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + return test_stat_user_read(PERF_COUNT_HW_INSTRUCTIONS, USER_READ_DISABLED); +} + +static int test__mmap_user_read_cycles_disabled(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + return test_stat_user_read(PERF_COUNT_HW_CPU_CYCLES, USER_READ_DISABLED); } static struct test_case tests__basic_mmap[] = { TEST_CASE_REASON("Read samples using the mmap interface", basic_mmap, "permissions"), - TEST_CASE_REASON("User space counter reading of instructions", + TEST_CASE_REASON_EXCLUSIVE("User space counter reading of instructions", mmap_user_read_instr, -#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || \ + (defined(__riscv) && __riscv_xlen == 64) "permissions" #else "unsupported" #endif ), - TEST_CASE_REASON("User space counter reading of cycles", + TEST_CASE_REASON_EXCLUSIVE("User space counter reading of cycles", mmap_user_read_cycles, -#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || \ + (defined(__riscv) && __riscv_xlen == 64) + "permissions" +#else + "unsupported" +#endif + ), + TEST_CASE_REASON_EXCLUSIVE("User space counter disabling instructions", + mmap_user_read_instr_disabled, +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || \ + (defined(__riscv) && __riscv_xlen == 64) + "permissions" +#else + "unsupported" +#endif + ), + TEST_CASE_REASON_EXCLUSIVE("User space counter disabling cycles", + mmap_user_read_cycles_disabled, +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || \ + (defined(__riscv) && __riscv_xlen == 64) "permissions" #else "unsupported" diff --git a/tools/perf/tests/mmap-thread-lookup.c b/tools/perf/tests/mmap-thread-lookup.c index a4301fc7b770..0c5619c6e6e9 100644 --- a/tools/perf/tests/mmap-thread-lookup.c +++ b/tools/perf/tests/mmap-thread-lookup.c @@ -8,6 +8,7 @@ #include <stdlib.h> #include <stdio.h> #include "debug.h" +#include "env.h" #include "event.h" #include "tests.h" #include "machine.h" @@ -155,6 +156,7 @@ static int synth_process(struct machine *machine) static int mmap_events(synth_cb synth) { + struct perf_env host_env; struct machine *machine; int err, i; @@ -167,7 +169,8 @@ static int mmap_events(synth_cb synth) */ TEST_ASSERT_VAL("failed to create threads", !threads_create()); - machine = machine__new_host(); + perf_env__init(&host_env); + machine = machine__new_host(&host_env); dump_trace = verbose > 1 ? 1 : 0; @@ -187,6 +190,7 @@ static int mmap_events(synth_cb synth) struct addr_location al; struct thread *thread; + addr_location__init(&al); thread = machine__findnew_thread(machine, getpid(), td->tid); pr_debug("looking for map %p\n", td->map); @@ -199,14 +203,16 @@ static int mmap_events(synth_cb synth) if (!al.map) { pr_debug("failed, couldn't find map\n"); err = -1; + addr_location__exit(&al); break; } - pr_debug("map %p, addr %" PRIx64 "\n", al.map, al.map->start); + pr_debug("map %p, addr %" PRIx64 "\n", al.map, map__start(al.map)); + addr_location__exit(&al); } - machine__delete_threads(machine); machine__delete(machine); + perf_env__exit(&host_env); return err; } @@ -227,11 +233,11 @@ static int mmap_events(synth_cb synth) static int test__mmap_thread_lookup(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { /* perf_event__synthesize_threads synthesize */ - TEST_ASSERT_VAL("failed with sythesizing all", + TEST_ASSERT_VAL("failed with synthesizing all", !mmap_events(synth_all)); /* perf_event__synthesize_thread_map synthesize */ - TEST_ASSERT_VAL("failed with sythesizing process", + TEST_ASSERT_VAL("failed with synthesizing process", !mmap_events(synth_process)); return 0; diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index f3275be83a33..3644d6f52c07 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -28,7 +28,7 @@ static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __mayb struct evsel *evsel; unsigned int nr_openat_calls = 111, i; cpu_set_t cpu_set; - struct perf_thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); + struct perf_thread_map *threads = thread_map__new_by_tid(getpid()); char sbuf[STRERR_BUFSIZE]; char errbuf[BUFSIZ]; @@ -37,7 +37,7 @@ static int test__openat_syscall_event_on_all_cpus(struct test_suite *test __mayb return -1; } - cpus = perf_cpu_map__new(NULL); + cpus = perf_cpu_map__new_online_cpus(); if (cpus == NULL) { pr_debug("perf_cpu_map__new\n"); goto out_thread_map_delete; diff --git a/tools/perf/tests/openat-syscall-tp-fields.c b/tools/perf/tests/openat-syscall-tp-fields.c index 888df8eca981..2a139d2781a8 100644 --- a/tools/perf/tests/openat-syscall-tp-fields.c +++ b/tools/perf/tests/openat-syscall-tp-fields.c @@ -28,7 +28,6 @@ static int test__syscall_openat_tp_fields(struct test_suite *test __maybe_unused { struct record_opts opts = { .target = { - .uid = UINT_MAX, .uses_mmap = true, }, .no_buffering = true, @@ -40,7 +39,7 @@ static int test__syscall_openat_tp_fields(struct test_suite *test __maybe_unused int flags = O_RDONLY | O_DIRECTORY; struct evlist *evlist = evlist__new(); struct evsel *evsel; - int err = -1, i, nr_events = 0, nr_polls = 0; + int ret = TEST_FAIL, err, i, nr_events = 0, nr_polls = 0; char sbuf[STRERR_BUFSIZE]; if (evlist == NULL) { @@ -51,6 +50,7 @@ static int test__syscall_openat_tp_fields(struct test_suite *test __maybe_unused evsel = evsel__newtp("syscalls", "sys_enter_openat"); if (IS_ERR(evsel)) { pr_debug("%s: evsel__newtp\n", __func__); + ret = PTR_ERR(evsel) == -EACCES ? TEST_SKIP : TEST_FAIL; goto out_delete_evlist; } @@ -110,14 +110,16 @@ static int test__syscall_openat_tp_fields(struct test_suite *test __maybe_unused continue; } + perf_sample__init(&sample, /*all=*/false); err = evsel__parse_sample(evsel, event, &sample); if (err) { pr_debug("Can't parse sample, err = %d\n", err); + perf_sample__exit(&sample); goto out_delete_evlist; } tp_flags = evsel__intval(evsel, &sample, "flags"); - + perf_sample__exit(&sample); if (flags != tp_flags) { pr_debug("%s: Expected flags=%#x, got %#x\n", __func__, flags, tp_flags); @@ -138,11 +140,21 @@ static int test__syscall_openat_tp_fields(struct test_suite *test __maybe_unused } } out_ok: - err = 0; + ret = TEST_OK; out_delete_evlist: evlist__delete(evlist); out: - return err; + return ret; } -DEFINE_SUITE("syscalls:sys_enter_openat event fields", syscall_openat_tp_fields); +static struct test_case tests__syscall_openat_tp_fields[] = { + TEST_CASE_REASON("syscalls:sys_enter_openat event fields", + syscall_openat_tp_fields, + "permissions"), + { .name = NULL, } +}; + +struct test_suite suite__syscall_openat_tp_fields = { + .desc = "syscalls:sys_enter_openat event fields", + .test_cases = tests__syscall_openat_tp_fields, +}; diff --git a/tools/perf/tests/openat-syscall.c b/tools/perf/tests/openat-syscall.c index 131b62271bfa..b54cbe5f1808 100644 --- a/tools/perf/tests/openat-syscall.c +++ b/tools/perf/tests/openat-syscall.c @@ -20,7 +20,7 @@ static int test__openat_syscall_event(struct test_suite *test __maybe_unused, int err = TEST_FAIL, fd; struct evsel *evsel; unsigned int nr_openat_calls = 111, i; - struct perf_thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); + struct perf_thread_map *threads = thread_map__new_by_tid(getpid()); char sbuf[STRERR_BUFSIZE]; char errbuf[BUFSIZ]; diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index 71a5cb343311..128d21dc389f 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -1,12 +1,14 @@ // SPDX-License-Identifier: GPL-2.0 #include "parse-events.h" #include "evsel.h" +#include "evsel_fprintf.h" #include "evlist.h" #include <api/fs/fs.h> #include "tests.h" #include "debug.h" #include "pmu.h" -#include "pmu-hybrid.h" +#include "pmus.h" +#include "strbuf.h" #include <dirent.h> #include <errno.h> #include "fncache.h" @@ -20,7 +22,62 @@ #define PERF_TP_SAMPLE_TYPE (PERF_SAMPLE_RAW | PERF_SAMPLE_TIME | \ PERF_SAMPLE_CPU | PERF_SAMPLE_PERIOD) -#ifdef HAVE_LIBTRACEEVENT +static bool check_evlist(const char *test, int line, bool cond, struct evlist *evlist) +{ + struct strbuf sb = STRBUF_INIT; + + if (cond) + return true; + + evlist__format_evsels(evlist, &sb, 2048); + pr_debug("FAILED %s:%d: %s\nFor evlist: %s\n", __FILE__, line, test, sb.buf); + strbuf_release(&sb); + return false; +} +#define TEST_ASSERT_EVLIST(test, cond, evlist) \ + if (!check_evlist(test, __LINE__, cond, evlist)) \ + return TEST_FAIL + +static bool check_evsel(const char *test, int line, bool cond, struct evsel *evsel) +{ + struct perf_attr_details details = { .verbose = true, }; + + if (cond) + return true; + + pr_debug("FAILED %s:%d: %s\nFor evsel: ", __FILE__, line, test); + evsel__fprintf(evsel, &details, debug_file()); + return false; +} +#define TEST_ASSERT_EVSEL(test, cond, evsel) \ + if (!check_evsel(test, __LINE__, cond, evsel)) \ + return TEST_FAIL + +static int num_core_entries(struct evlist *evlist) +{ + /* + * Returns number of core PMUs if the evlist has >1 core PMU, otherwise + * returns 1. The number of core PMUs is needed as wild carding can + * open an event for each core PMU. If the events were opened with a + * specified PMU then wild carding won't happen. + */ + struct perf_pmu *core_pmu = NULL; + struct evsel *evsel; + + evlist__for_each_entry(evlist, evsel) { + if (!evsel->pmu->is_core) + continue; + if (core_pmu != evsel->pmu && core_pmu != NULL) + return perf_pmus__num_core_pmus(); + core_pmu = evsel->pmu; + } + return 1; +} + +static bool test_hw_config(const struct evsel *evsel, __u64 expected_config) +{ + return (evsel->core.attr.config & PERF_HW_EVENT_MASK) == expected_config; +} #if defined(__s390x__) /* Return true if kvm module is available and loaded. Test this @@ -52,12 +109,12 @@ static int test__checkevent_tracepoint(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 0 == evlist->core.nr_groups); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong sample_type", - PERF_TP_SAMPLE_TYPE == evsel->core.attr.sample_type); - TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->core.attr.sample_period); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVLIST("wrong number of groups", 0 == evlist__nr_groups(evlist), evlist); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_TRACEPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong sample_type", + PERF_TP_SAMPLE_TYPE == evsel->core.attr.sample_type, evsel); + TEST_ASSERT_EVSEL("wrong sample_period", 1 == evsel->core.attr.sample_period, evsel); return TEST_OK; } @@ -65,28 +122,59 @@ static int test__checkevent_tracepoint_multi(struct evlist *evlist) { struct evsel *evsel; - TEST_ASSERT_VAL("wrong number of entries", evlist->core.nr_entries > 1); - TEST_ASSERT_VAL("wrong number of groups", 0 == evlist->core.nr_groups); + TEST_ASSERT_EVLIST("wrong number of entries", evlist->core.nr_entries > 1, evlist); + TEST_ASSERT_EVLIST("wrong number of groups", 0 == evlist__nr_groups(evlist), evlist); evlist__for_each_entry(evlist, evsel) { - TEST_ASSERT_VAL("wrong type", - PERF_TYPE_TRACEPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong sample_type", - PERF_TP_SAMPLE_TYPE == evsel->core.attr.sample_type); - TEST_ASSERT_VAL("wrong sample_period", - 1 == evsel->core.attr.sample_period); + TEST_ASSERT_EVSEL("wrong type", + PERF_TYPE_TRACEPOINT == evsel->core.attr.type, + evsel); + TEST_ASSERT_EVSEL("wrong sample_type", + PERF_TP_SAMPLE_TYPE == evsel->core.attr.sample_type, + evsel); + TEST_ASSERT_EVSEL("wrong sample_period", + 1 == evsel->core.attr.sample_period, + evsel); } return TEST_OK; } -#endif /* HAVE_LIBTRACEEVENT */ static int test__checkevent_raw(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; + bool raw_type_match = false; + + TEST_ASSERT_EVLIST("wrong number of entries", 0 != evlist->core.nr_entries, evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x1a == evsel->core.attr.config); + evlist__for_each_entry(evlist, evsel) { + struct perf_pmu *pmu __maybe_unused = NULL; + bool type_matched = false; + + TEST_ASSERT_EVSEL("wrong config", test_hw_config(evsel, 0x1a), evsel); + TEST_ASSERT_EVSEL("event not parsed as raw type", + evsel->core.attr.type == PERF_TYPE_RAW, + evsel); +#if defined(__aarch64__) + /* + * Arm doesn't have a real raw type PMU in sysfs, so raw events + * would never match any PMU. However, RAW events on Arm will + * always successfully open on the first available core PMU + * so no need to test for a matching type here. + */ + type_matched = raw_type_match = true; +#else + while ((pmu = perf_pmus__scan(pmu)) != NULL) { + if (pmu->type == evsel->core.attr.type) { + TEST_ASSERT_EVSEL("PMU type expected once", !type_matched, evsel); + type_matched = true; + if (pmu->type == PERF_TYPE_RAW) + raw_type_match = true; + } + } +#endif + TEST_ASSERT_EVSEL("No PMU found for type", type_matched, evsel); + } + TEST_ASSERT_VAL("Raw PMU not matched", raw_type_match); return TEST_OK; } @@ -94,41 +182,45 @@ static int test__checkevent_numeric(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", 1 == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 1 == evsel->core.attr.config); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", 1 == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 1 == evsel->core.attr.config, evsel); return TEST_OK; } + static int test__checkevent_symbolic_name(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config); + TEST_ASSERT_EVLIST("wrong number of entries", 0 != evlist->core.nr_entries, evlist); + + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS), + evsel); + } return TEST_OK; } static int test__checkevent_symbolic_name_config(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - /* - * The period value gets configured within evlist__config, - * while this test executes only parse events method. - */ - TEST_ASSERT_VAL("wrong period", - 0 == evsel->core.attr.sample_period); - TEST_ASSERT_VAL("wrong config1", - 0 == evsel->core.attr.config1); - TEST_ASSERT_VAL("wrong config2", - 1 == evsel->core.attr.config2); + TEST_ASSERT_EVLIST("wrong number of entries", 0 != evlist->core.nr_entries, evlist); + + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + /* + * The period value gets configured within evlist__config, + * while this test executes only parse events method. + */ + TEST_ASSERT_EVSEL("wrong period", 0 == evsel->core.attr.sample_period, evsel); + TEST_ASSERT_EVSEL("wrong config1", 0 == evsel->core.attr.config1, evsel); + TEST_ASSERT_EVSEL("wrong config2", 1 == evsel->core.attr.config2, evsel); + } return TEST_OK; } @@ -136,20 +228,22 @@ static int test__checkevent_symbolic_alias(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_SW_PAGE_FAULTS == evsel->core.attr.config); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type/config", evsel__match(evsel, SOFTWARE, SW_PAGE_FAULTS), + evsel); return TEST_OK; } static int test__checkevent_genhw(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; + + TEST_ASSERT_EVLIST("wrong number of entries", 0 != evlist->core.nr_entries, evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HW_CACHE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", (1 << 16) == evsel->core.attr.config); + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_HW_CACHE == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", test_hw_config(evsel, 1 << 16), evsel); + } return TEST_OK; } @@ -157,13 +251,13 @@ static int test__checkevent_breakpoint(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong bp_type", (HW_BREAKPOINT_R | HW_BREAKPOINT_W) == - evsel->core.attr.bp_type); - TEST_ASSERT_VAL("wrong bp_len", HW_BREAKPOINT_LEN_4 == - evsel->core.attr.bp_len); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 0 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong bp_type", + (HW_BREAKPOINT_R | HW_BREAKPOINT_W) == evsel->core.attr.bp_type, + evsel); + TEST_ASSERT_EVSEL("wrong bp_len", HW_BREAKPOINT_LEN_4 == evsel->core.attr.bp_len, evsel); return TEST_OK; } @@ -171,12 +265,12 @@ static int test__checkevent_breakpoint_x(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong bp_type", - HW_BREAKPOINT_X == evsel->core.attr.bp_type); - TEST_ASSERT_VAL("wrong bp_len", sizeof(long) == evsel->core.attr.bp_len); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 0 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong bp_type", HW_BREAKPOINT_X == evsel->core.attr.bp_type, evsel); + TEST_ASSERT_EVSEL("wrong bp_len", default_breakpoint_len() == evsel->core.attr.bp_len, + evsel); return TEST_OK; } @@ -184,14 +278,11 @@ static int test__checkevent_breakpoint_r(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", - PERF_TYPE_BREAKPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong bp_type", - HW_BREAKPOINT_R == evsel->core.attr.bp_type); - TEST_ASSERT_VAL("wrong bp_len", - HW_BREAKPOINT_LEN_4 == evsel->core.attr.bp_len); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 0 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong bp_type", HW_BREAKPOINT_R == evsel->core.attr.bp_type, evsel); + TEST_ASSERT_EVSEL("wrong bp_len", HW_BREAKPOINT_LEN_4 == evsel->core.attr.bp_len, evsel); return TEST_OK; } @@ -199,14 +290,11 @@ static int test__checkevent_breakpoint_w(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", - PERF_TYPE_BREAKPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong bp_type", - HW_BREAKPOINT_W == evsel->core.attr.bp_type); - TEST_ASSERT_VAL("wrong bp_len", - HW_BREAKPOINT_LEN_4 == evsel->core.attr.bp_len); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 0 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong bp_type", HW_BREAKPOINT_W == evsel->core.attr.bp_type, evsel); + TEST_ASSERT_EVSEL("wrong bp_len", HW_BREAKPOINT_LEN_4 == evsel->core.attr.bp_len, evsel); return TEST_OK; } @@ -214,26 +302,25 @@ static int test__checkevent_breakpoint_rw(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", - PERF_TYPE_BREAKPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong bp_type", - (HW_BREAKPOINT_R|HW_BREAKPOINT_W) == evsel->core.attr.bp_type); - TEST_ASSERT_VAL("wrong bp_len", - HW_BREAKPOINT_LEN_4 == evsel->core.attr.bp_len); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 0 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong bp_type", + (HW_BREAKPOINT_R|HW_BREAKPOINT_W) == evsel->core.attr.bp_type, + evsel); + TEST_ASSERT_EVSEL("wrong bp_len", HW_BREAKPOINT_LEN_4 == evsel->core.attr.bp_len, evsel); return TEST_OK; } -#ifdef HAVE_LIBTRACEEVENT static int test__checkevent_tracepoint_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); return test__checkevent_tracepoint(evlist); } @@ -243,74 +330,92 @@ test__checkevent_tracepoint_multi_modifier(struct evlist *evlist) { struct evsel *evsel; - TEST_ASSERT_VAL("wrong number of entries", evlist->core.nr_entries > 1); + TEST_ASSERT_EVLIST("wrong number of entries", evlist->core.nr_entries > 1, evlist); evlist__for_each_entry(evlist, evsel) { - TEST_ASSERT_VAL("wrong exclude_user", - !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", - evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); } return test__checkevent_tracepoint_multi(evlist); } -#endif /* HAVE_LIBTRACEEVENT */ static int test__checkevent_raw_modifier(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + } return test__checkevent_raw(evlist); } static int test__checkevent_numeric_modifier(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + } return test__checkevent_numeric(evlist); } static int test__checkevent_symbolic_name_modifier(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + } return test__checkevent_symbolic_name(evlist); } static int test__checkevent_exclude_host_modifier(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, evsel); + } return test__checkevent_symbolic_name(evlist); } static int test__checkevent_exclude_guest_modifier(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("wrong exclude guest", evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + } return test__checkevent_symbolic_name(evlist); } @@ -318,23 +423,29 @@ static int test__checkevent_symbolic_alias_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); return test__checkevent_symbolic_alias(evlist); } static int test__checkevent_genhw_modifier(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + } return test__checkevent_genhw(evlist); } @@ -342,13 +453,17 @@ static int test__checkevent_exclude_idle_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude idle", evsel->core.attr.exclude_idle); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + + TEST_ASSERT_EVSEL("wrong exclude idle", evsel->core.attr.exclude_idle, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); return test__checkevent_symbolic_name(evlist); } @@ -357,13 +472,17 @@ static int test__checkevent_exclude_idle_modifier_1(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude idle", evsel->core.attr.exclude_idle); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + + TEST_ASSERT_EVSEL("wrong exclude idle", evsel->core.attr.exclude_idle, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); return test__checkevent_symbolic_name(evlist); } @@ -373,12 +492,11 @@ static int test__checkevent_breakpoint_modifier(struct evlist *evlist) struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong name", - !strcmp(evsel__name(evsel), "mem:0:u")); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "mem:0:u"), evsel); return test__checkevent_breakpoint(evlist); } @@ -387,12 +505,11 @@ static int test__checkevent_breakpoint_x_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong name", - !strcmp(evsel__name(evsel), "mem:0:x:k")); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "mem:0:x:k"), evsel); return test__checkevent_breakpoint_x(evlist); } @@ -401,12 +518,11 @@ static int test__checkevent_breakpoint_r_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong name", - !strcmp(evsel__name(evsel), "mem:0:r:hp")); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "mem:0:r:hp"), evsel); return test__checkevent_breakpoint_r(evlist); } @@ -415,12 +531,11 @@ static int test__checkevent_breakpoint_w_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong name", - !strcmp(evsel__name(evsel), "mem:0:w:up")); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "mem:0:w:up"), evsel); return test__checkevent_breakpoint_w(evlist); } @@ -429,93 +544,181 @@ static int test__checkevent_breakpoint_rw_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong name", - !strcmp(evsel__name(evsel), "mem:0:rw:kp")); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "mem:0:rw:kp"), evsel); return test__checkevent_breakpoint_rw(evlist); } -static int test__checkevent_pmu(struct evlist *evlist) +static int test__checkevent_breakpoint_modifier_name(struct evlist *evlist) { + struct evsel *evsel = evlist__first(evlist); + + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "breakpoint"), evsel); + return test__checkevent_breakpoint(evlist); +} + +static int test__checkevent_breakpoint_x_modifier_name(struct evlist *evlist) +{ + struct evsel *evsel = evlist__first(evlist); + + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "breakpoint"), evsel); + + return test__checkevent_breakpoint_x(evlist); +} + +static int test__checkevent_breakpoint_r_modifier_name(struct evlist *evlist) +{ struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 10 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong config1", 1 == evsel->core.attr.config1); - TEST_ASSERT_VAL("wrong config2", 3 == evsel->core.attr.config2); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "breakpoint"), evsel); + + return test__checkevent_breakpoint_r(evlist); +} + +static int test__checkevent_breakpoint_w_modifier_name(struct evlist *evlist) +{ + struct evsel *evsel = evlist__first(evlist); + + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "breakpoint"), evsel); + + return test__checkevent_breakpoint_w(evlist); +} + +static int test__checkevent_breakpoint_rw_modifier_name(struct evlist *evlist) +{ + struct evsel *evsel = evlist__first(evlist); + + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "breakpoint"), evsel); + + return test__checkevent_breakpoint_rw(evlist); +} + +static int test__checkevent_breakpoint_2_events(struct evlist *evlist) +{ + struct evsel *evsel = evlist__first(evlist); + + TEST_ASSERT_EVSEL("wrong number of entries", 2 == evlist->core.nr_entries, evsel); + + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "breakpoint1"), evsel); + + evsel = evsel__next(evsel); + + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "breakpoint2"), evsel); + + return TEST_OK; +} + +static int test__checkevent_pmu(struct evlist *evlist) +{ + + struct evsel *evsel = evlist__first(evlist); + struct perf_pmu *core_pmu = perf_pmus__find_core_pmu(); + + TEST_ASSERT_EVSEL("wrong number of entries", 1 == evlist->core.nr_entries, evsel); + TEST_ASSERT_EVSEL("wrong type", core_pmu->type == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", test_hw_config(evsel, 10), evsel); + TEST_ASSERT_EVSEL("wrong config1", 1 == evsel->core.attr.config1, evsel); + TEST_ASSERT_EVSEL("wrong config2", 3 == evsel->core.attr.config2, evsel); + TEST_ASSERT_EVSEL("wrong config3", 0 == evsel->core.attr.config3, evsel); + TEST_ASSERT_EVSEL("wrong config4", 0 == evsel->core.attr.config4, evsel); /* * The period value gets configured within evlist__config, * while this test executes only parse events method. */ - TEST_ASSERT_VAL("wrong period", 0 == evsel->core.attr.sample_period); + TEST_ASSERT_EVSEL("wrong period", 0 == evsel->core.attr.sample_period, evsel); return TEST_OK; } -#ifdef HAVE_LIBTRACEEVENT static int test__checkevent_list(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->core.nr_entries); + TEST_ASSERT_EVSEL("wrong number of entries", 3 <= evlist->core.nr_entries, evsel); /* r1 */ - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 1 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong config1", 0 == evsel->core.attr.config1); - TEST_ASSERT_VAL("wrong config2", 0 == evsel->core.attr.config2); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_TRACEPOINT != evsel->core.attr.type, evsel); + while (evsel->core.attr.type != PERF_TYPE_TRACEPOINT) { + TEST_ASSERT_EVSEL("wrong config", 1 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong config1", 0 == evsel->core.attr.config1, evsel); + TEST_ASSERT_EVSEL("wrong config2", 0 == evsel->core.attr.config2, evsel); + TEST_ASSERT_EVSEL("wrong config3", 0 == evsel->core.attr.config3, evsel); + TEST_ASSERT_EVSEL("wrong config4", 0 == evsel->core.attr.config4, evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + evsel = evsel__next(evsel); + } /* syscalls:sys_enter_openat:k */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong sample_type", - PERF_TP_SAMPLE_TYPE == evsel->core.attr.sample_type); - TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->core.attr.sample_period); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_TRACEPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong sample_type", PERF_TP_SAMPLE_TYPE == evsel->core.attr.sample_type, + evsel); + TEST_ASSERT_EVSEL("wrong sample_period", 1 == evsel->core.attr.sample_period, evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); /* 1:1:hp */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", 1 == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 1 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip); + TEST_ASSERT_EVSEL("wrong type", 1 == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 1 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); return TEST_OK; } -#endif static int test__checkevent_pmu_name(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); + struct perf_pmu *core_pmu = perf_pmus__find_core_pmu(); + char buf[256]; - /* cpu/config=1,name=krava/u */ - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 1 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong name", !strcmp(evsel__name(evsel), "krava")); + /* default_core/config=1,name=krava/u */ + TEST_ASSERT_EVLIST("wrong number of entries", 2 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", core_pmu->type == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 1 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, "krava"), evsel); - /* cpu/config=2/u" */ + /* default_core/config=2/u" */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 2 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong name", - !strcmp(evsel__name(evsel), "cpu/config=2/u")); + TEST_ASSERT_EVSEL("wrong number of entries", 2 == evlist->core.nr_entries, evsel); + TEST_ASSERT_EVSEL("wrong type", core_pmu->type == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 2 == evsel->core.attr.config, evsel); + snprintf(buf, sizeof(buf), "%s/config=2/u", core_pmu->name); + TEST_ASSERT_EVSEL("wrong name", evsel__name_is(evsel, buf), evsel); return TEST_OK; } @@ -523,90 +726,97 @@ static int test__checkevent_pmu_name(struct evlist *evlist) static int test__checkevent_pmu_partial_time_callgraph(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); + struct perf_pmu *core_pmu = perf_pmus__find_core_pmu(); - /* cpu/config=1,call-graph=fp,time,period=100000/ */ - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 1 == evsel->core.attr.config); + /* default_core/config=1,call-graph=fp,time,period=100000/ */ + TEST_ASSERT_EVLIST("wrong number of entries", 2 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", core_pmu->type == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 1 == evsel->core.attr.config, evsel); /* * The period, time and callgraph value gets configured within evlist__config, * while this test executes only parse events method. */ - TEST_ASSERT_VAL("wrong period", 0 == evsel->core.attr.sample_period); - TEST_ASSERT_VAL("wrong callgraph", !evsel__has_callchain(evsel)); - TEST_ASSERT_VAL("wrong time", !(PERF_SAMPLE_TIME & evsel->core.attr.sample_type)); + TEST_ASSERT_EVSEL("wrong period", 0 == evsel->core.attr.sample_period, evsel); + TEST_ASSERT_EVSEL("wrong callgraph", !evsel__has_callchain(evsel), evsel); + TEST_ASSERT_EVSEL("wrong time", !(PERF_SAMPLE_TIME & evsel->core.attr.sample_type), evsel); - /* cpu/config=2,call-graph=no,time=0,period=2000/ */ + /* default_core/config=2,call-graph=no,time=0,period=2000/ */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 2 == evsel->core.attr.config); + TEST_ASSERT_EVSEL("wrong type", core_pmu->type == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 2 == evsel->core.attr.config, evsel); /* * The period, time and callgraph value gets configured within evlist__config, * while this test executes only parse events method. */ - TEST_ASSERT_VAL("wrong period", 0 == evsel->core.attr.sample_period); - TEST_ASSERT_VAL("wrong callgraph", !evsel__has_callchain(evsel)); - TEST_ASSERT_VAL("wrong time", !(PERF_SAMPLE_TIME & evsel->core.attr.sample_type)); + TEST_ASSERT_EVSEL("wrong period", 0 == evsel->core.attr.sample_period, evsel); + TEST_ASSERT_EVSEL("wrong callgraph", !evsel__has_callchain(evsel), evsel); + TEST_ASSERT_EVSEL("wrong time", !(PERF_SAMPLE_TIME & evsel->core.attr.sample_type), evsel); return TEST_OK; } static int test__checkevent_pmu_events(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel; + struct perf_pmu *core_pmu = perf_pmus__find_core_pmu(); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong exclude_user", - !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", - evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned); - TEST_ASSERT_VAL("wrong exclusive", !evsel->core.attr.exclusive); + TEST_ASSERT_EVLIST("wrong number of entries", 1 <= evlist->core.nr_entries, evlist); + evlist__for_each_entry(evlist, evsel) { + TEST_ASSERT_EVSEL("wrong type", + core_pmu->type == evsel->core.attr.type || + !strncmp(evsel__name(evsel), evsel->pmu->name, + strlen(evsel->pmu->name)), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong pinned", !evsel->core.attr.pinned, evsel); + TEST_ASSERT_EVSEL("wrong exclusive", !evsel->core.attr.exclusive, evsel); + } return TEST_OK; } static int test__checkevent_pmu_events_mix(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel = NULL; - /* pmu-event:u */ - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong exclude_user", - !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", - evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned); - TEST_ASSERT_VAL("wrong exclusive", !evsel->core.attr.exclusive); - - /* cpu/pmu-event/u*/ + /* + * The wild card event will be opened at least once, but it may be + * opened on each core PMU. + */ + TEST_ASSERT_EVLIST("wrong number of entries", evlist->core.nr_entries >= 2, evlist); + for (int i = 0; i < evlist->core.nr_entries - 1; i++) { + evsel = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + /* pmu-event:u */ + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong pinned", !evsel->core.attr.pinned, evsel); + TEST_ASSERT_EVSEL("wrong exclusive", !evsel->core.attr.exclusive, evsel); + } + /* default_core/pmu-event/u*/ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong exclude_user", - !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", - evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned); - TEST_ASSERT_VAL("wrong exclusive", !evsel->core.attr.pinned); + TEST_ASSERT_EVSEL("wrong type", evsel__find_pmu(evsel)->is_core, evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong pinned", !evsel->core.attr.pinned, evsel); + TEST_ASSERT_EVSEL("wrong exclusive", !evsel->core.attr.pinned, evsel); return TEST_OK; } -static int test__checkterms_simple(struct list_head *terms) +static int test__checkterms_simple(struct parse_events_terms *terms) { struct parse_events_term *term; /* config=10 */ - term = list_entry(terms->next, struct parse_events_term, list); + term = list_entry(terms->terms.next, struct parse_events_term, list); TEST_ASSERT_VAL("wrong type term", term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG); TEST_ASSERT_VAL("wrong type val", @@ -632,6 +842,24 @@ static int test__checkterms_simple(struct list_head *terms) TEST_ASSERT_VAL("wrong val", term->val.num == 3); TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "config2")); + /* config3=4 */ + term = list_entry(term->list.next, struct parse_events_term, list); + TEST_ASSERT_VAL("wrong type term", + term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG3); + TEST_ASSERT_VAL("wrong type val", + term->type_val == PARSE_EVENTS__TERM_TYPE_NUM); + TEST_ASSERT_VAL("wrong val", term->val.num == 4); + TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "config3")); + + /* config4=5 */ + term = list_entry(term->list.next, struct parse_events_term, list); + TEST_ASSERT_VAL("wrong type term", + term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG4); + TEST_ASSERT_VAL("wrong type val", + term->type_val == PARSE_EVENTS__TERM_TYPE_NUM); + TEST_ASSERT_VAL("wrong val", term->val.num == 5); + TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "config4")); + /* umask=1*/ term = list_entry(term->list.next, struct parse_events_term, list); TEST_ASSERT_VAL("wrong type term", @@ -650,11 +878,11 @@ static int test__checkterms_simple(struct list_head *terms) */ term = list_entry(term->list.next, struct parse_events_term, list); TEST_ASSERT_VAL("wrong type term", - term->type_term == PARSE_EVENTS__TERM_TYPE_USER); + term->type_term == PARSE_EVENTS__TERM_TYPE_RAW); TEST_ASSERT_VAL("wrong type val", - term->type_val == PARSE_EVENTS__TERM_TYPE_NUM); - TEST_ASSERT_VAL("wrong val", term->val.num == 1); - TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "read")); + term->type_val == PARSE_EVENTS__TERM_TYPE_STR); + TEST_ASSERT_VAL("wrong val", !strcmp(term->val.str, "read")); + TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "raw")); /* * r0xead @@ -664,628 +892,724 @@ static int test__checkterms_simple(struct list_head *terms) */ term = list_entry(term->list.next, struct parse_events_term, list); TEST_ASSERT_VAL("wrong type term", - term->type_term == PARSE_EVENTS__TERM_TYPE_CONFIG); + term->type_term == PARSE_EVENTS__TERM_TYPE_RAW); TEST_ASSERT_VAL("wrong type val", - term->type_val == PARSE_EVENTS__TERM_TYPE_NUM); - TEST_ASSERT_VAL("wrong val", term->val.num == 0xead); - TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "config")); + term->type_val == PARSE_EVENTS__TERM_TYPE_STR); + TEST_ASSERT_VAL("wrong val", !strcmp(term->val.str, "r0xead")); + TEST_ASSERT_VAL("wrong config", !strcmp(term->config, "raw")); return TEST_OK; } static int test__group1(struct evlist *evlist) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups); - - /* instructions:k */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* cycles:upp */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - /* use of precise requires exclude_guest */ - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 2); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (num_core_entries(evlist) * 2), + evlist); + TEST_ASSERT_EVLIST("wrong number of groups", + evlist__nr_groups(evlist) == num_core_entries(evlist), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* instructions:k */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + + /* cycles:upp */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip == 2, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + } return TEST_OK; } static int test__group2(struct evlist *evlist) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups); - - /* faults + :ku modifier */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_SW_PAGE_FAULTS == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* cache-references + :u modifier */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CACHE_REFERENCES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* cycles:k */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); + struct evsel *evsel, *leader = NULL; + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (2 * num_core_entries(evlist) + 1), + evlist); + /* + * TODO: Currently the software event won't be grouped with the hardware + * event except for 1 PMU. + */ + TEST_ASSERT_EVLIST("wrong number of groups", 1 == evlist__nr_groups(evlist), evlist); + + evlist__for_each_entry(evlist, evsel) { + if (evsel__match(evsel, SOFTWARE, SW_PAGE_FAULTS)) { + /* faults + :ku modifier */ + leader = evsel; + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, + evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, + evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, + evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, + evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, + evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + continue; + } + if (evsel__match(evsel, HARDWARE, HW_BRANCH_INSTRUCTIONS)) { + /* branches + :u modifier */ + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, + evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, + evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, + evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, + evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + if (evsel__has_leader(evsel, leader)) { + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, + evsel); + } + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + continue; + } + /* cycles:k */ + TEST_ASSERT_EVSEL("unexpected event", evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + } return TEST_OK; } -#ifdef HAVE_LIBTRACEEVENT static int test__group3(struct evlist *evlist __maybe_unused) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 2 == evlist->core.nr_groups); - - /* group1 syscalls:sys_enter_openat:H */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong sample_type", - PERF_TP_SAMPLE_TYPE == evsel->core.attr.sample_type); - TEST_ASSERT_VAL("wrong sample_period", 1 == evsel->core.attr.sample_period); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong group name", - !strcmp(leader->group_name, "group1")); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* group1 cycles:kppp */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - /* use of precise requires exclude_guest */ - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 3); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* group2 cycles + G modifier */ - evsel = leader = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong group name", - !strcmp(leader->group_name, "group2")); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* group2 1:3 + G modifier */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", 1 == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 3 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* instructions:u */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); + struct evsel *evsel, *group1_leader = NULL, *group2_leader = NULL; + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (3 * perf_pmus__num_core_pmus() + 2), + evlist); + /* + * Currently the software event won't be grouped with the hardware event + * except for 1 PMU. This means there are always just 2 groups + * regardless of the number of core PMUs. + */ + TEST_ASSERT_EVLIST("wrong number of groups", 2 == evlist__nr_groups(evlist), evlist); + + evlist__for_each_entry(evlist, evsel) { + if (evsel->core.attr.type == PERF_TYPE_TRACEPOINT) { + /* group1 syscalls:sys_enter_openat:H */ + group1_leader = evsel; + TEST_ASSERT_EVSEL("wrong sample_type", + evsel->core.attr.sample_type == PERF_TP_SAMPLE_TYPE, + evsel); + TEST_ASSERT_EVSEL("wrong sample_period", + 1 == evsel->core.attr.sample_period, + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, + evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, + evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", evsel->core.attr.exclude_guest, + evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, + evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong group name", !strcmp(evsel->group_name, "group1"), + evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, + evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + continue; + } + if (evsel__match(evsel, HARDWARE, HW_CPU_CYCLES)) { + if (evsel->core.attr.exclude_user) { + /* group1 cycles:kppp */ + TEST_ASSERT_EVSEL("wrong exclude_user", + evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", + !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, + evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", + !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", + !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", + evsel->core.attr.precise_ip == 3, evsel); + if (evsel__has_leader(evsel, group1_leader)) { + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, + evsel); + TEST_ASSERT_EVSEL("wrong group_idx", + evsel__group_idx(evsel) == 1, + evsel); + } + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + } else { + /* group2 cycles + G modifier */ + group2_leader = evsel; + TEST_ASSERT_EVSEL("wrong exclude_kernel", + !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", + !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", + !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", + evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, + evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), + evsel); + if (evsel->core.nr_members == 2) { + TEST_ASSERT_EVSEL("wrong group_idx", + evsel__group_idx(evsel) == 0, + evsel); + } + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + } + continue; + } + if (evsel->core.attr.type == 1) { + /* group2 1:3 + G modifier */ + TEST_ASSERT_EVSEL("wrong config", 3 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, + evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, + evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, + evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, + evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + if (evsel__has_leader(evsel, group2_leader)) { + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, + evsel); + } + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + continue; + } + /* instructions:u */ + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + } return TEST_OK; } -#endif static int test__group4(struct evlist *evlist __maybe_unused) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups); - - /* cycles:u + p */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - /* use of precise requires exclude_guest */ - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 1); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* instructions:kp + p */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - /* use of precise requires exclude_guest */ - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 2); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (num_core_entries(evlist) * 2), + evlist); + TEST_ASSERT_EVLIST("wrong number of groups", + num_core_entries(evlist) == evlist__nr_groups(evlist), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles:u + p */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip == 1, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + + /* instructions:kp + p */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip == 2, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + } return TEST_OK; } static int test__group5(struct evlist *evlist __maybe_unused) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 2 == evlist->core.nr_groups); - - /* cycles + G */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* instructions + G */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* cycles:G */ - evsel = leader = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read); - - /* instructions:G */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - - /* cycles */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (5 * num_core_entries(evlist)), + evlist); + TEST_ASSERT_EVLIST("wrong number of groups", + evlist__nr_groups(evlist) == (2 * num_core_entries(evlist)), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles + G */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + + /* instructions + G */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + } + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles:G */ + evsel = leader = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + TEST_ASSERT_EVSEL("wrong sample_read", !evsel->sample_read, evsel); + + /* instructions:G */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, evsel); + } + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + } return TEST_OK; } static int test__group_gh1(struct evlist *evlist) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups); - - /* cycles + :H group modifier */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - - /* cache-misses:G + :H group modifier */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (2 * num_core_entries(evlist)), + evlist); + TEST_ASSERT_EVLIST("wrong number of groups", + evlist__nr_groups(evlist) == num_core_entries(evlist), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles + :H group modifier */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + + /* cache-misses:G + :H group modifier */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CACHE_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, evsel); + } return TEST_OK; } static int test__group_gh2(struct evlist *evlist) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups); - - /* cycles + :G group modifier */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - - /* cache-misses:H + :G group modifier */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (2 * num_core_entries(evlist)), + evlist); + TEST_ASSERT_EVLIST("wrong number of groups", + evlist__nr_groups(evlist) == num_core_entries(evlist), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles + :G group modifier */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + + /* cache-misses:H + :G group modifier */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CACHE_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, evsel); + } return TEST_OK; } static int test__group_gh3(struct evlist *evlist) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups); - - /* cycles:G + :u group modifier */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - - /* cache-misses:H + :u group modifier */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (2 * num_core_entries(evlist)), + evlist); + TEST_ASSERT_EVLIST("wrong number of groups", + evlist__nr_groups(evlist) == num_core_entries(evlist), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles:G + :u group modifier */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + + /* cache-misses:H + :u group modifier */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CACHE_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, evsel); + } return TEST_OK; } static int test__group_gh4(struct evlist *evlist) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups); - - /* cycles:G + :uG group modifier */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); - TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); - - /* cache-misses:H + :uG group modifier */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", !evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (2 * num_core_entries(evlist)), + evlist); + TEST_ASSERT_EVLIST("wrong number of groups", + evlist__nr_groups(evlist) == num_core_entries(evlist), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles:G + :uG group modifier */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__is_group_leader(evsel), evsel); + TEST_ASSERT_EVSEL("wrong core.nr_members", evsel->core.nr_members == 2, evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 0, evsel); + + /* cache-misses:H + :uG group modifier */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CACHE_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong group_idx", evsel__group_idx(evsel) == 1, evsel); + } return TEST_OK; } static int test__leader_sample1(struct evlist *evlist) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->core.nr_entries); - - /* cycles - sampling group leader */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read); - - /* cache-misses - not sampling */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read); - - /* branch-misses - not sampling */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_BRANCH_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (3 * num_core_entries(evlist)), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles - sampling group leader */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong sample_read", evsel->sample_read, evsel); + + /* cache-misses - not sampling */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CACHE_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong sample_read", evsel->sample_read, evsel); + + /* branch-misses - not sampling */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", !evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong sample_read", evsel->sample_read, evsel); + } return TEST_OK; } static int test__leader_sample2(struct evlist *evlist __maybe_unused) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - - /* instructions - sampling group leader */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_INSTRUCTIONS == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read); - - /* branch-misses - not sampling */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_BRANCH_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong exclude guest", evsel->core.attr.exclude_guest); - TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong sample_read", evsel->sample_read); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (2 * num_core_entries(evlist)), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* instructions - sampling group leader */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong sample_read", evsel->sample_read, evsel); + + /* branch-misses - not sampling */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong exclude guest", !evsel->core.attr.exclude_guest, evsel); + TEST_ASSERT_EVSEL("wrong exclude host", !evsel->core.attr.exclude_host, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + TEST_ASSERT_EVSEL("wrong sample_read", evsel->sample_read, evsel); + } return TEST_OK; } static int test__checkevent_pinned_modifier(struct evlist *evlist) { - struct evsel *evsel = evlist__first(evlist); + struct evsel *evsel = NULL; - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong pinned", evsel->core.attr.pinned); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + for (int i = 0; i < num_core_entries(evlist); i++) { + evsel = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong pinned", evsel->core.attr.pinned, evsel); + } return test__checkevent_symbolic_name(evlist); } static int test__pinned_group(struct evlist *evlist) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->core.nr_entries); - - /* cycles - group leader */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong pinned", evsel->core.attr.pinned); - - /* cache-misses - can not be pinned, but will go on with the leader */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned); - - /* branch-misses - ditto */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_BRANCH_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == (3 * num_core_entries(evlist)), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles - group leader */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + /* TODO: The group modifier is not copied to the split group leader. */ + if (perf_pmus__num_core_pmus() == 1) + TEST_ASSERT_EVSEL("wrong pinned", evsel->core.attr.pinned, evsel); + + /* cache-misses - can not be pinned, but will go on with the leader */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CACHE_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong pinned", !evsel->core.attr.pinned, evsel); + + /* branch-misses - ditto */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong pinned", !evsel->core.attr.pinned, evsel); + } return TEST_OK; } @@ -1293,56 +1617,65 @@ static int test__checkevent_exclusive_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip); - TEST_ASSERT_VAL("wrong exclusive", evsel->core.attr.exclusive); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", evsel->core.attr.precise_ip, evsel); + TEST_ASSERT_EVSEL("wrong exclusive", evsel->core.attr.exclusive, evsel); return test__checkevent_symbolic_name(evlist); } static int test__exclusive_group(struct evlist *evlist) { - struct evsel *evsel, *leader; - - TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->core.nr_entries); - - /* cycles - group leader */ - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CPU_CYCLES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong group name", !evsel->group_name); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong exclusive", evsel->core.attr.exclusive); - - /* cache-misses - can not be pinned, but will go on with the leader */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_CACHE_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclusive", !evsel->core.attr.exclusive); - - /* branch-misses - ditto */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_HW_BRANCH_MISSES == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong exclusive", !evsel->core.attr.exclusive); - + struct evsel *evsel = NULL, *leader; + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == 3 * num_core_entries(evlist), + evlist); + + for (int i = 0; i < num_core_entries(evlist); i++) { + /* cycles - group leader */ + evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + TEST_ASSERT_EVSEL("wrong group name", !evsel->group_name, evsel); + TEST_ASSERT_EVSEL("wrong leader", evsel__has_leader(evsel, leader), evsel); + /* TODO: The group modifier is not copied to the split group leader. */ + if (perf_pmus__num_core_pmus() == 1) + TEST_ASSERT_EVSEL("wrong exclusive", evsel->core.attr.exclusive, evsel); + + /* cache-misses - can not be pinned, but will go on with the leader */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CACHE_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong exclusive", !evsel->core.attr.exclusive, evsel); + + /* branch-misses - ditto */ + evsel = evsel__next(evsel); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_BRANCH_MISSES), + evsel); + TEST_ASSERT_EVSEL("wrong exclusive", !evsel->core.attr.exclusive, evsel); + } return TEST_OK; } static int test__checkevent_breakpoint_len(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong bp_type", (HW_BREAKPOINT_R | HW_BREAKPOINT_W) == - evsel->core.attr.bp_type); - TEST_ASSERT_VAL("wrong bp_len", HW_BREAKPOINT_LEN_1 == - evsel->core.attr.bp_len); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 0 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong bp_type", + (HW_BREAKPOINT_R | HW_BREAKPOINT_W) == evsel->core.attr.bp_type, + evsel); + TEST_ASSERT_EVSEL("wrong bp_len", HW_BREAKPOINT_LEN_1 == evsel->core.attr.bp_len, evsel); return TEST_OK; } @@ -1351,13 +1684,11 @@ static int test__checkevent_breakpoint_len_w(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong bp_type", HW_BREAKPOINT_W == - evsel->core.attr.bp_type); - TEST_ASSERT_VAL("wrong bp_len", HW_BREAKPOINT_LEN_2 == - evsel->core.attr.bp_len); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_BREAKPOINT == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 0 == evsel->core.attr.config, evsel); + TEST_ASSERT_EVSEL("wrong bp_type", HW_BREAKPOINT_W == evsel->core.attr.bp_type, evsel); + TEST_ASSERT_EVSEL("wrong bp_len", HW_BREAKPOINT_LEN_2 == evsel->core.attr.bp_len, evsel); return TEST_OK; } @@ -1367,10 +1698,11 @@ test__checkevent_breakpoint_len_rw_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); - TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong exclude_user", !evsel->core.attr.exclude_user, evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); + TEST_ASSERT_EVSEL("wrong exclude_hv", evsel->core.attr.exclude_hv, evsel); + TEST_ASSERT_EVSEL("wrong precise_ip", !evsel->core.attr.precise_ip, evsel); return test__checkevent_breakpoint_rw(evlist); } @@ -1379,10 +1711,10 @@ static int test__checkevent_precise_max_modifier(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", - PERF_COUNT_SW_TASK_CLOCK == evsel->core.attr.config); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == 1 + num_core_entries(evlist), + evlist); + TEST_ASSERT_EVSEL("wrong type/config", evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK), evsel); return TEST_OK; } @@ -1390,7 +1722,10 @@ static int test__checkevent_config_symbol(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "insn") == 0); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + TEST_ASSERT_EVSEL("wrong name setting", evsel__name_is(evsel, "insn"), evsel); return TEST_OK; } @@ -1398,7 +1733,8 @@ static int test__checkevent_config_raw(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "rawpmu") == 0); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong name setting", evsel__name_is(evsel, "rawpmu"), evsel); return TEST_OK; } @@ -1406,7 +1742,8 @@ static int test__checkevent_config_num(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "numpmu") == 0); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong name setting", evsel__name_is(evsel, "numpmu"), evsel); return TEST_OK; } @@ -1414,20 +1751,82 @@ static int test__checkevent_config_cache(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "cachepmu") == 0); - return TEST_OK; + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + TEST_ASSERT_EVSEL("wrong name setting", evsel__name_is(evsel, "cachepmu"), evsel); + return test__checkevent_genhw(evlist); +} + +static bool test__pmu_default_core_event_valid(void) +{ + struct perf_pmu *pmu = perf_pmus__find_core_pmu(); + + if (!pmu) + return false; + + return perf_pmu__has_format(pmu, "event"); } static bool test__intel_pt_valid(void) { - return !!perf_pmu__find("intel_pt"); + return !!perf_pmus__find("intel_pt"); } static int test__intel_pt(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "intel_pt//u") == 0); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong name setting", evsel__name_is(evsel, "intel_pt//u"), evsel); + return TEST_OK; +} + +static bool test__acr_valid(void) +{ + struct perf_pmu *pmu = NULL; + + while ((pmu = perf_pmus__scan_core(pmu)) != NULL) { + if (perf_pmu__has_format(pmu, "acr_mask")) + return true; + } + + return false; +} + +static int test__ratio_to_prev(struct evlist *evlist) +{ + struct evsel *evsel; + + TEST_ASSERT_VAL("wrong number of entries", 2 * perf_pmus__num_core_pmus() == evlist->core.nr_entries); + + evlist__for_each_entry(evlist, evsel) { + if (!perf_pmu__has_format(evsel->pmu, "acr_mask")) + return TEST_OK; + + if (evsel == evlist__first(evlist)) { + TEST_ASSERT_VAL("wrong config2", 0 == evsel->core.attr.config2); + TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel)); + TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2); + TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), + evsel); + } else { + TEST_ASSERT_VAL("wrong config2", 0 == evsel->core.attr.config2); + TEST_ASSERT_VAL("wrong leader", !evsel__is_group_leader(evsel)); + TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 0); + TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1); + TEST_ASSERT_EVSEL("unexpected event", + evsel__match(evsel, HARDWARE, HW_INSTRUCTIONS), + evsel); + } + /* + * The period value gets configured within evlist__config, + * while this test executes only parse events method. + */ + TEST_ASSERT_VAL("wrong period", 0 == evsel->core.attr.sample_period); + } return TEST_OK; } @@ -1435,7 +1834,13 @@ static int test__checkevent_complex_name(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong complex name parsing", strcmp(evsel->name, "COMPLEX_CYCLES_NAME:orig=cycles,desc=chip-clock-ticks") == 0); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + TEST_ASSERT_EVSEL("wrong complex name parsing", + evsel__name_is(evsel, + "COMPLEX_CYCLES_NAME:orig=cpu-cycles,desc=chip-clock-ticks"), + evsel); return TEST_OK; } @@ -1443,9 +1848,9 @@ static int test__checkevent_raw_pmu(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x1a == evsel->core.attr.config); + TEST_ASSERT_EVLIST("wrong number of entries", 1 == evlist->core.nr_entries, evlist); + TEST_ASSERT_EVSEL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type, evsel); + TEST_ASSERT_EVSEL("wrong config", 0x1a == evsel->core.attr.config, evsel); return TEST_OK; } @@ -1453,9 +1858,11 @@ static int test__sym_event_slash(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", evsel->core.attr.type == PERF_TYPE_HARDWARE); - TEST_ASSERT_VAL("wrong config", evsel->core.attr.config == PERF_COUNT_HW_CPU_CYCLES); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + TEST_ASSERT_EVSEL("unexpected event", evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), evsel); + TEST_ASSERT_EVSEL("wrong exclude_kernel", evsel->core.attr.exclude_kernel, evsel); return TEST_OK; } @@ -1463,13 +1870,38 @@ static int test__sym_event_dc(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); - TEST_ASSERT_VAL("wrong type", evsel->core.attr.type == PERF_TYPE_HARDWARE); - TEST_ASSERT_VAL("wrong config", evsel->core.attr.config == PERF_COUNT_HW_CPU_CYCLES); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + TEST_ASSERT_EVSEL("unexpected event", evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), evsel); + TEST_ASSERT_EVSEL("wrong exclude_user", evsel->core.attr.exclude_user, evsel); + return TEST_OK; +} + +static int test__term_equal_term(struct evlist *evlist) +{ + struct evsel *evsel = evlist__first(evlist); + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + TEST_ASSERT_EVSEL("unexpected event", evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), evsel); + TEST_ASSERT_EVSEL("wrong name setting", strcmp(evsel->name, "name") == 0, evsel); + return TEST_OK; +} + +static int test__term_equal_legacy(struct evlist *evlist) +{ + struct evsel *evsel = evlist__first(evlist); + + TEST_ASSERT_EVLIST("wrong number of entries", + evlist->core.nr_entries == num_core_entries(evlist), + evlist); + TEST_ASSERT_EVSEL("unexpected event", evsel__match(evsel, HARDWARE, HW_CPU_CYCLES), evsel); + TEST_ASSERT_EVSEL("wrong name setting", strcmp(evsel->name, "l1d") == 0, evsel); return TEST_OK; } -#ifdef HAVE_LIBTRACEEVENT static int count_tracepoints(void) { struct dirent *events_ent; @@ -1523,128 +1955,6 @@ static int test__all_tracepoints(struct evlist *evlist) return test__checkevent_tracepoint_multi(evlist); } -#endif /* HAVE_LIBTRACEVENT */ - -static int test__hybrid_hw_event_with_pmu(struct evlist *evlist) -{ - struct evsel *evsel = evlist__first(evlist); - - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x3c == evsel->core.attr.config); - return TEST_OK; -} - -static int test__hybrid_hw_group_event(struct evlist *evlist) -{ - struct evsel *evsel, *leader; - - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x3c == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0xc0 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - return TEST_OK; -} - -static int test__hybrid_sw_hw_group_event(struct evlist *evlist) -{ - struct evsel *evsel, *leader; - - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x3c == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - return TEST_OK; -} - -static int test__hybrid_hw_sw_group_event(struct evlist *evlist) -{ - struct evsel *evsel, *leader; - - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x3c == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_SOFTWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - return TEST_OK; -} - -static int test__hybrid_group_modifier1(struct evlist *evlist) -{ - struct evsel *evsel, *leader; - - evsel = leader = evlist__first(evlist); - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x3c == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); - - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0xc0 == evsel->core.attr.config); - TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); - TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); - TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); - return TEST_OK; -} - -static int test__hybrid_raw1(struct evlist *evlist) -{ - struct evsel *evsel = evlist__first(evlist); - - if (!perf_pmu__hybrid_mounted("cpu_atom")) { - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x1a == evsel->core.attr.config); - return TEST_OK; - } - - TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x1a == evsel->core.attr.config); - - /* The type of second event is randome value */ - evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong config", 0x1a == evsel->core.attr.config); - return TEST_OK; -} - -static int test__hybrid_raw2(struct evlist *evlist) -{ - struct evsel *evsel = evlist__first(evlist); - - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x1a == evsel->core.attr.config); - return TEST_OK; -} - -static int test__hybrid_cache_event(struct evlist *evlist) -{ - struct evsel *evsel = evlist__first(evlist); - - TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HW_CACHE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", 0x2 == (evsel->core.attr.config & 0xffffffff)); - return TEST_OK; -} struct evlist_test { const char *name; @@ -1653,7 +1963,6 @@ struct evlist_test { }; static const struct evlist_test test__events[] = { -#ifdef HAVE_LIBTRACEEVENT { .name = "syscalls:sys_enter_openat", .check = test__checkevent_tracepoint, @@ -1664,7 +1973,6 @@ static const struct evlist_test test__events[] = { .check = test__checkevent_tracepoint_multi, /* 1 */ }, -#endif { .name = "r1a", .check = test__checkevent_raw, @@ -1681,7 +1989,7 @@ static const struct evlist_test test__events[] = { /* 4 */ }, { - .name = "cycles/period=100000,config2/", + .name = "cpu-cycles/period=100000,config2/", .check = test__checkevent_symbolic_name_config, /* 5 */ }, @@ -1715,7 +2023,6 @@ static const struct evlist_test test__events[] = { .check = test__checkevent_breakpoint_w, /* 1 */ }, -#ifdef HAVE_LIBTRACEEVENT { .name = "syscalls:sys_enter_openat:k", .check = test__checkevent_tracepoint_modifier, @@ -1726,7 +2033,6 @@ static const struct evlist_test test__events[] = { .check = test__checkevent_tracepoint_multi_modifier, /* 3 */ }, -#endif { .name = "r1a:kp", .check = test__checkevent_raw_modifier, @@ -1772,13 +2078,11 @@ static const struct evlist_test test__events[] = { .check = test__checkevent_breakpoint_w_modifier, /* 2 */ }, -#ifdef HAVE_LIBTRACEEVENT { .name = "r1,syscalls:sys_enter_openat:k,1:1:hp", .check = test__checkevent_list, /* 3 */ }, -#endif { .name = "instructions:G", .check = test__checkevent_exclude_host_modifier, @@ -1800,61 +2104,57 @@ static const struct evlist_test test__events[] = { /* 7 */ }, { - .name = "{instructions:k,cycles:upp}", + .name = "{instructions:k,cpu-cycles:upp}", .check = test__group1, /* 8 */ }, { - .name = "{faults:k,cache-references}:u,cycles:k", + .name = "{faults:k,branches}:u,cpu-cycles:k", .check = test__group2, /* 9 */ }, -#ifdef HAVE_LIBTRACEEVENT { - .name = "group1{syscalls:sys_enter_openat:H,cycles:kppp},group2{cycles,1:3}:G,instructions:u", + .name = "group1{syscalls:sys_enter_openat:H,cpu-cycles:kppp},group2{cpu-cycles,1:3}:G,instructions:u", .check = test__group3, /* 0 */ }, -#endif { - .name = "{cycles:u,instructions:kp}:p", + .name = "{cpu-cycles:u,instructions:kp}:p", .check = test__group4, /* 1 */ }, { - .name = "{cycles,instructions}:G,{cycles:G,instructions:G},cycles", + .name = "{cpu-cycles,instructions}:G,{cpu-cycles:G,instructions:G},cpu-cycles", .check = test__group5, /* 2 */ }, -#ifdef HAVE_LIBTRACEEVENT { .name = "*:*", .check = test__all_tracepoints, /* 3 */ }, -#endif { - .name = "{cycles,cache-misses:G}:H", + .name = "{cpu-cycles,cache-misses:G}:H", .check = test__group_gh1, /* 4 */ }, { - .name = "{cycles,cache-misses:H}:G", + .name = "{cpu-cycles,cache-misses:H}:G", .check = test__group_gh2, /* 5 */ }, { - .name = "{cycles:G,cache-misses:H}:u", + .name = "{cpu-cycles:G,cache-misses:H}:u", .check = test__group_gh3, /* 6 */ }, { - .name = "{cycles:G,cache-misses:H}:uG", + .name = "{cpu-cycles:G,cache-misses:H}:uG", .check = test__group_gh4, /* 7 */ }, { - .name = "{cycles,cache-misses,branch-misses}:S", + .name = "{cpu-cycles,cache-misses,branch-misses}:S", .check = test__leader_sample1, /* 8 */ }, @@ -1869,7 +2169,7 @@ static const struct evlist_test test__events[] = { /* 0 */ }, { - .name = "{cycles,cache-misses,branch-misses}:D", + .name = "{cpu-cycles,cache-misses,branch-misses}:D", .check = test__pinned_group, /* 1 */ }, @@ -1888,7 +2188,7 @@ static const struct evlist_test test__events[] = { .check = test__checkevent_breakpoint_len_rw_modifier, /* 4 */ }, -#if defined(__s390x__) && defined(HAVE_LIBTRACEEVENT) +#if defined(__s390x__) { .name = "kvm-s390:kvm_s390_create_vm", .check = test__checkevent_tracepoint, @@ -1907,7 +2207,7 @@ static const struct evlist_test test__events[] = { /* 6 */ }, { - .name = "task-clock:P,cycles", + .name = "task-clock:P,cpu-cycles", .check = test__checkevent_precise_max_modifier, /* 7 */ }, @@ -1938,17 +2238,17 @@ static const struct evlist_test test__events[] = { /* 2 */ }, { - .name = "cycles/name='COMPLEX_CYCLES_NAME:orig=cycles,desc=chip-clock-ticks'/Duk", + .name = "cpu-cycles/name='COMPLEX_CYCLES_NAME:orig=cpu-cycles,desc=chip-clock-ticks'/Duk", .check = test__checkevent_complex_name, /* 3 */ }, { - .name = "cycles//u", + .name = "cpu-cycles//u", .check = test__sym_event_slash, /* 4 */ }, { - .name = "cycles:k", + .name = "cpu-cycles:k", .check = test__sym_event_dc, /* 5 */ }, @@ -1958,30 +2258,123 @@ static const struct evlist_test test__events[] = { /* 6 */ }, { - .name = "{cycles,cache-misses,branch-misses}:e", + .name = "{cpu-cycles,cache-misses,branch-misses}:e", .check = test__exclusive_group, /* 7 */ }, + { + .name = "cpu-cycles/name=name/", + .check = test__term_equal_term, + /* 8 */ + }, + { + .name = "cpu-cycles/name=l1d/", + .check = test__term_equal_legacy, + /* 9 */ + }, + { + .name = "mem:0/name=breakpoint/", + .check = test__checkevent_breakpoint, + /* 0 */ + }, + { + .name = "mem:0:x/name=breakpoint/", + .check = test__checkevent_breakpoint_x, + /* 1 */ + }, + { + .name = "mem:0:r/name=breakpoint/", + .check = test__checkevent_breakpoint_r, + /* 2 */ + }, + { + .name = "mem:0:w/name=breakpoint/", + .check = test__checkevent_breakpoint_w, + /* 3 */ + }, + { + .name = "mem:0/name=breakpoint/u", + .check = test__checkevent_breakpoint_modifier_name, + /* 4 */ + }, + { + .name = "mem:0:x/name=breakpoint/k", + .check = test__checkevent_breakpoint_x_modifier_name, + /* 5 */ + }, + { + .name = "mem:0:r/name=breakpoint/hp", + .check = test__checkevent_breakpoint_r_modifier_name, + /* 6 */ + }, + { + .name = "mem:0:w/name=breakpoint/up", + .check = test__checkevent_breakpoint_w_modifier_name, + /* 7 */ + }, + { + .name = "mem:0:rw/name=breakpoint/", + .check = test__checkevent_breakpoint_rw, + /* 8 */ + }, + { + .name = "mem:0:rw/name=breakpoint/kp", + .check = test__checkevent_breakpoint_rw_modifier_name, + /* 9 */ + }, + { + .name = "mem:0/1/name=breakpoint/", + .check = test__checkevent_breakpoint_len, + /* 0 */ + }, + { + .name = "mem:0/2:w/name=breakpoint/", + .check = test__checkevent_breakpoint_len_w, + /* 1 */ + }, + { + .name = "mem:0/4:rw/name=breakpoint/u", + .check = test__checkevent_breakpoint_len_rw_modifier, + /* 2 */ + }, + { + .name = "mem:0/1/name=breakpoint1/,mem:0/4:rw/name=breakpoint2/", + .check = test__checkevent_breakpoint_2_events, + /* 3 */ + }, + { + .name = "9p:9p_client_req", + .check = test__checkevent_tracepoint, + /* 4 */ + }, + { + .name = "{cycles,instructions/period=200000,ratio-to-prev=2.0/}", + .valid = test__acr_valid, + .check = test__ratio_to_prev, + /* 5 */ + }, + }; static const struct evlist_test test__events_pmu[] = { { - .name = "cpu/config=10,config1,config2=3,period=1000/u", + .name = "default_core/config=10,config1=1,config2=3,period=1000/u", .check = test__checkevent_pmu, /* 0 */ }, { - .name = "cpu/config=1,name=krava/u,cpu/config=2/u", + .name = "default_core/config=1,name=krava/u,default_core/config=2/u", .check = test__checkevent_pmu_name, /* 1 */ }, { - .name = "cpu/config=1,call-graph=fp,time,period=100000/,cpu/config=2,call-graph=no,time=0,period=2000/", + .name = "default_core/config=1,call-graph=fp,time,period=100000/,default_core/config=2,call-graph=no,time=0,period=2000/", .check = test__checkevent_pmu_partial_time_callgraph, /* 2 */ }, { - .name = "cpu/name='COMPLEX_CYCLES_NAME:orig=cycles,desc=chip-clock-ticks',period=0x1,event=0x2/ukp", + .name = "default_core/name='COMPLEX_CYCLES_NAME:orig=cpu-cycles,desc=chip-clock-ticks',period=0x1,event=0x2/ukp", + .valid = test__pmu_default_core_event_valid, .check = test__checkevent_complex_name, /* 3 */ }, @@ -1995,66 +2388,148 @@ static const struct evlist_test test__events_pmu[] = { .check = test__checkevent_raw_pmu, /* 5 */ }, -}; - -struct terms_test { - const char *str; - int (*check)(struct list_head *terms); -}; - -static const struct terms_test test__terms[] = { - [0] = { - .str = "config=10,config1,config2=3,umask=1,read,r0xead", - .check = test__checkterms_simple, + { + .name = "default_core/L1-dcache-load-miss/", + .check = test__checkevent_genhw, + /* 6 */ + }, + { + .name = "default_core/L1-dcache-load-miss/kp", + .check = test__checkevent_genhw_modifier, + /* 7 */ + }, + { + .name = "default_core/L1-dcache-misses,name=cachepmu/", + .check = test__checkevent_config_cache, + /* 8 */ }, -}; - -static const struct evlist_test test__hybrid_events[] = { { - .name = "cpu_core/cpu-cycles/", - .check = test__hybrid_hw_event_with_pmu, + .name = "default_core/instructions/", + .check = test__checkevent_symbolic_name, + /* 9 */ + }, + { + .name = "default_core/cycles,period=100000,config2/", + .check = test__checkevent_symbolic_name_config, /* 0 */ }, { - .name = "{cpu_core/cpu-cycles/,cpu_core/instructions/}", - .check = test__hybrid_hw_group_event, + .name = "default_core/instructions/h", + .check = test__checkevent_symbolic_name_modifier, /* 1 */ }, { - .name = "{cpu-clock,cpu_core/cpu-cycles/}", - .check = test__hybrid_sw_hw_group_event, + .name = "default_core/instructions/G", + .check = test__checkevent_exclude_host_modifier, /* 2 */ }, { - .name = "{cpu_core/cpu-cycles/,cpu-clock}", - .check = test__hybrid_hw_sw_group_event, + .name = "default_core/instructions/H", + .check = test__checkevent_exclude_guest_modifier, /* 3 */ }, { - .name = "{cpu_core/cpu-cycles/k,cpu_core/instructions/u}", - .check = test__hybrid_group_modifier1, + .name = "{default_core/instructions/k,default_core/cycles/upp}", + .check = test__group1, /* 4 */ }, { - .name = "r1a", - .check = test__hybrid_raw1, + .name = "{default_core/cycles/u,default_core/instructions/kp}:p", + .check = test__group4, /* 5 */ }, { - .name = "cpu_core/r1a/", - .check = test__hybrid_raw2, + .name = "{default_core/cycles/,default_core/cache-misses/G}:H", + .check = test__group_gh1, /* 6 */ }, { - .name = "cpu_core/config=10,config1,config2=3,period=1000/u", - .check = test__checkevent_pmu, + .name = "{default_core/cycles/,default_core/cache-misses/H}:G", + .check = test__group_gh2, + /* 7 */ + }, + { + .name = "{default_core/cycles/G,default_core/cache-misses/H}:u", + .check = test__group_gh3, + /* 8 */ + }, + { + .name = "{default_core/cycles/G,default_core/cache-misses/H}:uG", + .check = test__group_gh4, + /* 9 */ + }, + { + .name = "{default_core/cycles/,default_core/cache-misses/,default_core/branch-misses/}:S", + .check = test__leader_sample1, + /* 0 */ + }, + { + .name = "{default_core/instructions/,default_core/branch-misses/}:Su", + .check = test__leader_sample2, + /* 1 */ + }, + { + .name = "default_core/instructions/uDp", + .check = test__checkevent_pinned_modifier, + /* 2 */ + }, + { + .name = "{default_core/cycles/,default_core/cache-misses/,default_core/branch-misses/}:D", + .check = test__pinned_group, + /* 3 */ + }, + { + .name = "default_core/instructions/I", + .check = test__checkevent_exclude_idle_modifier, + /* 4 */ + }, + { + .name = "default_core/instructions/kIG", + .check = test__checkevent_exclude_idle_modifier_1, + /* 5 */ + }, + { + .name = "default_core/cycles/u", + .check = test__sym_event_slash, + /* 6 */ + }, + { + .name = "default_core/cycles/k", + .check = test__sym_event_dc, /* 7 */ }, { - .name = "cpu_core/LLC-loads/", - .check = test__hybrid_cache_event, + .name = "default_core/instructions/uep", + .check = test__checkevent_exclusive_modifier, /* 8 */ }, + { + .name = "{default_core/cycles/,default_core/cache-misses/,default_core/branch-misses/}:e", + .check = test__exclusive_group, + /* 9 */ + }, + { + .name = "default_core/cycles,name=name/", + .check = test__term_equal_term, + /* 0 */ + }, + { + .name = "default_core/cycles,name=l1d/", + .check = test__term_equal_legacy, + /* 1 */ + }, +}; + +struct terms_test { + const char *str; + int (*check)(struct parse_events_terms *terms); +}; + +static const struct terms_test test__terms[] = { + [0] = { + .str = "config=10,config1,config2=3,config3=4,config4=5,umask=1,read,r0xead", + .check = test__checkterms_simple, + }, }; static int test_event(const struct evlist_test *e) @@ -2074,13 +2549,13 @@ static int test_event(const struct evlist_test *e) return TEST_FAIL; } parse_events_error__init(&err); - ret = parse_events(evlist, e->name, &err); + ret = __parse_events(evlist, e->name, /*pmu_filter=*/NULL, &err, /*fake_pmu=*/false, + /*warn_if_reordered=*/true, /*fake_tp=*/true); if (ret) { - pr_debug("failed to parse event '%s', err %d, str '%s'\n", - e->name, ret, err.str); + pr_debug("failed to parse event '%s', err %d\n", e->name, ret); parse_events_error__print(&err, e->name); ret = TEST_FAIL; - if (strstr(err.str, "can't access trace events")) + if (parse_events_error__contains(&err, "can't access trace events")) ret = TEST_SKIP; } else { ret = e->check(evlist); @@ -2102,11 +2577,12 @@ static int test_event_fake_pmu(const char *str) return -ENOMEM; parse_events_error__init(&err); - perf_pmu__test_parse_init(); - ret = __parse_events(evlist, str, &err, &perf_pmu__fake); + ret = __parse_events(evlist, str, /*pmu_filter=*/NULL, &err, + /*fake_pmu=*/true, /*warn_if_reordered=*/true, + /*fake_tp=*/true); if (ret) { - pr_debug("failed to parse event '%s', err %d, str '%s'\n", - str, ret, err.str); + pr_debug("failed to parse event '%s', err %d\n", + str, ret); parse_events_error__print(&err, str); } @@ -2128,15 +2604,30 @@ static int combine_test_results(int existing, int latest) static int test_events(const struct evlist_test *events, int cnt) { int ret = TEST_OK; + struct perf_pmu *core_pmu = perf_pmus__find_core_pmu(); for (int i = 0; i < cnt; i++) { - const struct evlist_test *e = &events[i]; + struct evlist_test e = events[i]; int test_ret; + const char *pos = e.name; + char buf[1024], *buf_pos = buf, *end; + + while ((end = strstr(pos, "default_core"))) { + size_t len = end - pos; + + strncpy(buf_pos, pos, len); + pos = end + 12; + buf_pos += len; + strcpy(buf_pos, core_pmu->name); + buf_pos += strlen(core_pmu->name); + } + strcpy(buf_pos, pos); - pr_debug("running test %d '%s'\n", i, e->name); - test_ret = test_event(e); + e.name = buf; + pr_debug("running test %d '%s'\n", i, e.name); + test_ret = test_event(&e); if (test_ret != TEST_OK) { - pr_debug("Event test failure: test %d '%s'", i, e->name); + pr_debug("Event test failure: test %d '%s'", i, e.name); ret = combine_test_results(ret, test_ret); } } @@ -2151,18 +2642,11 @@ static int test__events2(struct test_suite *test __maybe_unused, int subtest __m static int test_term(const struct terms_test *t) { - struct list_head terms; + struct parse_events_terms terms; int ret; - INIT_LIST_HEAD(&terms); - - /* - * The perf_pmu__test_parse_init prepares perf_pmu_events_list - * which gets freed in parse_events_terms. - */ - if (perf_pmu__test_parse_init()) - return -1; + parse_events_terms__init(&terms); ret = parse_events_terms(&terms, t->str); if (ret) { pr_debug("failed to parse terms '%s', err %d\n", @@ -2171,7 +2655,7 @@ static int test_term(const struct terms_test *t) } ret = t->check(&terms); - parse_events_terms__purge(&terms); + parse_events_terms__exit(&terms); return ret; } @@ -2197,99 +2681,127 @@ static int test__terms2(struct test_suite *test __maybe_unused, int subtest __ma return test_terms(test__terms, ARRAY_SIZE(test__terms)); } -static int test_pmu(void) +static int test__pmu_events(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - struct stat st; - char path[PATH_MAX]; - int ret; + struct perf_pmu *pmu = NULL; + int ret = TEST_OK; - snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/format/", - sysfs__mountpoint()); + while ((pmu = perf_pmus__scan(pmu)) != NULL) { + struct stat st; + char path[PATH_MAX]; + char pmu_event[PATH_MAX]; + char *buf = NULL; + FILE *file; + struct dirent *ent; + size_t len = 0; + DIR *dir; + int err; + int n; + + snprintf(path, PATH_MAX, "%s/bus/event_source/devices/%s/events/", + sysfs__mountpoint(), pmu->name); + + err = stat(path, &st); + if (err) { + pr_debug("skipping PMU %s events tests: %s\n", pmu->name, path); + continue; + } - ret = stat(path, &st); - if (ret) - pr_debug("omitting PMU cpu tests\n"); - return !ret; -} + dir = opendir(path); + if (!dir) { + pr_debug("can't open pmu event dir: %s\n", path); + ret = combine_test_results(ret, TEST_SKIP); + continue; + } -static int test__pmu_events(struct test_suite *test __maybe_unused, int subtest __maybe_unused) -{ - struct stat st; - char path[PATH_MAX]; - struct dirent *ent; - DIR *dir; - int ret; + while ((ent = readdir(dir))) { + struct evlist_test e = { .name = NULL, }; + char name[2 * NAME_MAX + 1 + 12 + 3]; + int test_ret; + bool is_event_parameterized = 0; - if (!test_pmu()) - return TEST_SKIP; + /* Names containing . are special and cannot be used directly */ + if (strchr(ent->d_name, '.')) + continue; - snprintf(path, PATH_MAX, "%s/bus/event_source/devices/cpu/events/", - sysfs__mountpoint()); + /* exclude parameterized ones (name contains '?') */ + n = snprintf(pmu_event, sizeof(pmu_event), "%s%s", path, ent->d_name); + if (n >= PATH_MAX) { + pr_err("pmu event name crossed PATH_MAX(%d) size\n", PATH_MAX); + continue; + } - ret = stat(path, &st); - if (ret) { - pr_debug("omitting PMU cpu events tests: %s\n", path); - return TEST_OK; - } + file = fopen(pmu_event, "r"); + if (!file) { + pr_debug("can't open pmu event file for '%s'\n", ent->d_name); + ret = combine_test_results(ret, TEST_FAIL); + continue; + } - dir = opendir(path); - if (!dir) { - pr_debug("can't open pmu event dir: %s\n", path); - return TEST_FAIL; - } + if (getline(&buf, &len, file) < 0) { + pr_debug(" pmu event: %s is a null event\n", ent->d_name); + ret = combine_test_results(ret, TEST_FAIL); + fclose(file); + continue; + } - ret = TEST_OK; - while ((ent = readdir(dir))) { - struct evlist_test e = { .name = NULL, }; - char name[2 * NAME_MAX + 1 + 12 + 3]; - int test_ret; + if (strchr(buf, '?')) + is_event_parameterized = 1; - /* Names containing . are special and cannot be used directly */ - if (strchr(ent->d_name, '.')) - continue; + free(buf); + buf = NULL; + fclose(file); - snprintf(name, sizeof(name), "cpu/event=%s/u", ent->d_name); + if (is_event_parameterized == 1) { + pr_debug("skipping parameterized PMU event: %s which contains ?\n", pmu_event); + continue; + } - e.name = name; - e.check = test__checkevent_pmu_events; + snprintf(name, sizeof(name), "%s/event=%s/u", pmu->name, ent->d_name); - test_ret = test_event(&e); - if (test_ret != TEST_OK) { - pr_debug("Test PMU event failed for '%s'", name); - ret = combine_test_results(ret, test_ret); - } - /* - * Names containing '-' are recognized as prefixes and suffixes - * due to '-' being a legacy PMU separator. This fails when the - * prefix or suffix collides with an existing legacy token. For - * example, branch-brs has a prefix (branch) that collides with - * a PE_NAME_CACHE_TYPE token causing a parse error as a suffix - * isn't expected after this. As event names in the config - * slashes are allowed a '-' in the name we check this works - * above. - */ - if (strchr(ent->d_name, '-')) - continue; + e.name = name; + e.check = test__checkevent_pmu_events; - snprintf(name, sizeof(name), "%s:u,cpu/event=%s/u", ent->d_name, ent->d_name); - e.name = name; - e.check = test__checkevent_pmu_events_mix; - test_ret = test_event(&e); - if (test_ret != TEST_OK) { - pr_debug("Test PMU event failed for '%s'", name); - ret = combine_test_results(ret, test_ret); + test_ret = test_event(&e); + if (test_ret != TEST_OK) { + pr_debug("Test PMU event failed for '%s'", name); + ret = combine_test_results(ret, test_ret); + } + + if (!is_pmu_core(pmu->name)) + continue; + + /* + * Names containing '-' are recognized as prefixes and suffixes + * due to '-' being a legacy PMU separator. This fails when the + * prefix or suffix collides with an existing legacy token. For + * example, branch-brs has a prefix (branch) that collides with + * a PE_NAME_CACHE_TYPE token causing a parse error as a suffix + * isn't expected after this. As event names in the config + * slashes are allowed a '-' in the name we check this works + * above. + */ + if (strchr(ent->d_name, '-')) + continue; + + snprintf(name, sizeof(name), "%s:u,%s/event=%s/u", + ent->d_name, pmu->name, ent->d_name); + e.name = name; + e.check = test__checkevent_pmu_events_mix; + test_ret = test_event(&e); + if (test_ret != TEST_OK) { + pr_debug("Test PMU event failed for '%s'", name); + ret = combine_test_results(ret, test_ret); + } } - } - closedir(dir); + closedir(dir); + } return ret; } static int test__pmu_events2(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - if (!test_pmu()) - return TEST_SKIP; - return test_events(test__events_pmu, ARRAY_SIZE(test__events_pmu)); } @@ -2351,21 +2863,14 @@ static bool test_alias(char **event, char **alias) return false; } -static int test__hybrid(struct test_suite *test __maybe_unused, int subtest __maybe_unused) -{ - if (!perf_pmu__has_hybrid()) - return TEST_SKIP; - - return test_events(test__hybrid_events, ARRAY_SIZE(test__hybrid_events)); -} - static int test__checkevent_pmu_events_alias(struct evlist *evlist) { struct evsel *evsel1 = evlist__first(evlist); struct evsel *evsel2 = evlist__last(evlist); - TEST_ASSERT_VAL("wrong type", evsel1->core.attr.type == evsel2->core.attr.type); - TEST_ASSERT_VAL("wrong config", evsel1->core.attr.config == evsel2->core.attr.config); + TEST_ASSERT_EVSEL("wrong type", evsel1->core.attr.type == evsel2->core.attr.type, evsel1); + TEST_ASSERT_EVSEL("wrong config", evsel1->core.attr.config == evsel2->core.attr.config, + evsel1); return TEST_OK; } @@ -2422,9 +2927,6 @@ static struct test_case tests__parse_events[] = { TEST_CASE_REASON("Test event parsing", events2, "permissions"), - TEST_CASE_REASON("Test parsing of \"hybrid\" CPU events", - hybrid, - "not hybrid"), TEST_CASE_REASON("Parsing of all PMU events from sysfs", pmu_events, "permissions"), diff --git a/tools/perf/tests/parse-metric.c b/tools/perf/tests/parse-metric.c index 21b7ac00d798..6bbc209a5c6a 100644 --- a/tools/perf/tests/parse-metric.c +++ b/tools/perf/tests/parse-metric.c @@ -1,5 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 #include <linux/compiler.h> +#include <errno.h> #include <string.h> #include <perf/cpumap.h> #include <perf/evlist.h> @@ -11,7 +12,7 @@ #include "debug.h" #include "expr.h" #include "stat.h" -#include "pmu.h" +#include "pmus.h" struct value { const char *event; @@ -30,35 +31,32 @@ static u64 find_value(const char *name, struct value *values) return 0; } -static void load_runtime_stat(struct runtime_stat *st, struct evlist *evlist, - struct value *vals) +static void load_runtime_stat(struct evlist *evlist, struct value *vals) { struct evsel *evsel; u64 count; - perf_stat__reset_shadow_stats(); + evlist__alloc_aggr_stats(evlist, 1); evlist__for_each_entry(evlist, evsel) { count = find_value(evsel->name, vals); - perf_stat__update_shadow_stats(evsel, count, 0, st); - if (!strcmp(evsel->name, "duration_time")) - update_stats(&walltime_nsecs_stats, count); + evsel->supported = true; + evsel->stats->aggr->counts.val = count; } } -static double compute_single(struct rblist *metric_events, struct evlist *evlist, - struct runtime_stat *st, const char *name) +static double compute_single(struct evlist *evlist, const char *name) { struct metric_expr *mexp; struct metric_event *me; struct evsel *evsel; evlist__for_each_entry(evlist, evsel) { - me = metricgroup__lookup(metric_events, evsel, false); + me = metricgroup__lookup(&evlist->metric_events, evsel, false); if (me != NULL) { list_for_each_entry (mexp, &me->head, nd) { if (strcmp(mexp->metric_name, name)) continue; - return test_generic_metric(mexp, 0, st); + return test_generic_metric(mexp, 0); } } } @@ -69,12 +67,8 @@ static int __compute_metric(const char *name, struct value *vals, const char *name1, double *ratio1, const char *name2, double *ratio2) { - struct rblist metric_events = { - .nr_entries = 0, - }; - const struct pmu_events_table *pme_test; + const struct pmu_metrics_table *pme_test; struct perf_cpu_map *cpus; - struct runtime_stat st; struct evlist *evlist; int err; @@ -93,13 +87,10 @@ static int __compute_metric(const char *name, struct value *vals, } perf_evlist__set_maps(&evlist->core, cpus, NULL); - runtime_stat__init(&st); /* Parse the metric into metric_events list. */ - pme_test = find_core_events_table("testarch", "testcpu"); - err = metricgroup__parse_groups_test(evlist, pme_test, name, - false, false, - &metric_events); + pme_test = find_core_metrics_table("testarch", "testcpu"); + err = metricgroup__parse_groups_test(evlist, pme_test, name); if (err) goto out; @@ -108,18 +99,16 @@ static int __compute_metric(const char *name, struct value *vals, goto out; /* Load the runtime stats with given numbers for events. */ - load_runtime_stat(&st, evlist, vals); + load_runtime_stat(evlist, vals); /* And execute the metric */ if (name1 && ratio1) - *ratio1 = compute_single(&metric_events, evlist, &st, name1); + *ratio1 = compute_single(evlist, name1); if (name2 && ratio2) - *ratio2 = compute_single(&metric_events, evlist, &st, name2); + *ratio2 = compute_single(evlist, name2); out: /* ... cleanup. */ - metricgroup__rblist_exit(&metric_events); - runtime_stat__exit(&st); evlist__free_stats(evlist); perf_cpu_map__put(cpus); evlist__delete(evlist); @@ -306,11 +295,8 @@ static int test__parse_metric(struct test_suite *test __maybe_unused, int subtes TEST_ASSERT_VAL("DCache_L2 failed", test_dcache_l2() == 0); TEST_ASSERT_VAL("recursion fail failed", test_recursion_fail() == 0); TEST_ASSERT_VAL("Memory bandwidth", test_memory_bandwidth() == 0); - - if (!perf_pmu__has_hybrid()) { - TEST_ASSERT_VAL("cache_miss_cycles failed", test_cache_miss_cycles() == 0); - TEST_ASSERT_VAL("test metric group", test_metric_group() == 0); - } + TEST_ASSERT_VAL("cache_miss_cycles failed", test_cache_miss_cycles() == 0); + TEST_ASSERT_VAL("test metric group", test_metric_group() == 0); return 0; } diff --git a/tools/perf/tests/parse-no-sample-id-all.c b/tools/perf/tests/parse-no-sample-id-all.c index 202f0a9a6796..50e68b7d43aa 100644 --- a/tools/perf/tests/parse-no-sample-id-all.c +++ b/tools/perf/tests/parse-no-sample-id-all.c @@ -13,6 +13,7 @@ static int process_event(struct evlist **pevlist, union perf_event *event) { struct perf_sample sample; + int ret; if (event->header.type == PERF_RECORD_HEADER_ATTR) { if (perf_event__process_attr(NULL, event, pevlist)) { @@ -28,7 +29,10 @@ static int process_event(struct evlist **pevlist, union perf_event *event) if (!*pevlist) return -1; - if (evlist__parse_sample(*pevlist, event, &sample)) { + perf_sample__init(&sample, /*all=*/false); + ret = evlist__parse_sample(*pevlist, event, &sample); + perf_sample__exit(&sample); + if (ret) { pr_debug("evlist__parse_sample failed\n"); return -1; } diff --git a/tools/perf/tests/pe-file-parsing.c b/tools/perf/tests/pe-file-parsing.c index c09a9fae1689..30c7da79e109 100644 --- a/tools/perf/tests/pe-file-parsing.c +++ b/tools/perf/tests/pe-file-parsing.c @@ -24,7 +24,7 @@ static int run_dir(const char *d) { char filename[PATH_MAX]; char debugfile[PATH_MAX]; - struct build_id bid; + struct build_id bid = { .size = 0, }; char debuglink[PATH_MAX]; char expect_build_id[] = { 0x5a, 0x0f, 0xd8, 0x82, 0xb5, 0x30, 0x84, 0x22, @@ -34,6 +34,7 @@ static int run_dir(const char *d) struct dso *dso; struct symbol *sym; int ret; + size_t idx; scnprintf(filename, PATH_MAX, "%s/pe-file.exe", d); ret = filename__read_build_id(filename, &bid); @@ -61,7 +62,7 @@ static int run_dir(const char *d) TEST_ASSERT_VAL("Failed to load symbols", ret == 0); dso__sort_by_name(dso); - sym = dso__find_symbol_by_name(dso, "main"); + sym = dso__find_symbol_by_name(dso, "main", &idx); TEST_ASSERT_VAL("Failed to find main", sym); dso__delete(dso); diff --git a/tools/perf/tests/perf-record.c b/tools/perf/tests/perf-record.c index 1c4feec1adff..efbd9cd60c63 100644 --- a/tools/perf/tests/perf-record.c +++ b/tools/perf/tests/perf-record.c @@ -13,15 +13,19 @@ #include "tests.h" #include "util/mmap.h" #include "util/sample.h" +#include "util/cpumap.h" static int sched__get_first_possible_cpu(pid_t pid, cpu_set_t *maskp) { - int i, cpu = -1, nrcpus = 1024; + int i, cpu = -1; + int nrcpus = cpu__max_cpu().cpu; + size_t size = CPU_ALLOC_SIZE(nrcpus); + realloc: - CPU_ZERO(maskp); + CPU_ZERO_S(size, maskp); - if (sched_getaffinity(pid, sizeof(*maskp), maskp) == -1) { - if (errno == EINVAL && nrcpus < (1024 << 8)) { + if (sched_getaffinity(pid, size, maskp) == -1) { + if (errno == EINVAL && nrcpus < (cpu__max_cpu().cpu << 8)) { nrcpus = nrcpus << 2; goto realloc; } @@ -30,11 +34,11 @@ realloc: } for (i = 0; i < nrcpus; i++) { - if (CPU_ISSET(i, maskp)) { + if (CPU_ISSET_S(i, size, maskp)) { if (cpu == -1) cpu = i; else - CPU_CLR(i, maskp); + CPU_CLR_S(i, size, maskp); } } @@ -45,14 +49,14 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest { struct record_opts opts = { .target = { - .uid = UINT_MAX, .uses_mmap = true, }, .no_buffering = true, .mmap_pages = 256, }; - cpu_set_t cpu_mask; - size_t cpu_mask_size = sizeof(cpu_mask); + int nrcpus = cpu__max_cpu().cpu; + cpu_set_t *cpu_mask; + size_t cpu_mask_size; struct evlist *evlist = evlist__new_dummy(); struct evsel *evsel; struct perf_sample sample; @@ -70,11 +74,22 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest int total_events = 0, nr_events[PERF_RECORD_MAX] = { 0, }; char sbuf[STRERR_BUFSIZE]; + cpu_mask = CPU_ALLOC(nrcpus); + if (!cpu_mask) { + pr_debug("failed to create cpumask\n"); + goto out; + } + + cpu_mask_size = CPU_ALLOC_SIZE(nrcpus); + CPU_ZERO_S(cpu_mask_size, cpu_mask); + + perf_sample__init(&sample, /*all=*/false); if (evlist == NULL) /* Fallback for kernels lacking PERF_COUNT_SW_DUMMY */ evlist = evlist__new_default(); if (evlist == NULL) { pr_debug("Not enough memory to create evlist\n"); + CPU_FREE(cpu_mask); goto out; } @@ -111,10 +126,11 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest evsel__set_sample_bit(evsel, TIME); evlist__config(evlist, &opts, NULL); - err = sched__get_first_possible_cpu(evlist->workload.pid, &cpu_mask); + err = sched__get_first_possible_cpu(evlist->workload.pid, cpu_mask); if (err < 0) { pr_debug("sched__get_first_possible_cpu: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); + evlist__cancel_workload(evlist); goto out_delete_evlist; } @@ -123,9 +139,10 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest /* * So that we can check perf_sample.cpu on all the samples. */ - if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, &cpu_mask) < 0) { + if (sched_setaffinity(evlist->workload.pid, cpu_mask_size, cpu_mask) < 0) { pr_debug("sched_setaffinity: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); + evlist__cancel_workload(evlist); goto out_delete_evlist; } @@ -137,6 +154,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest if (err < 0) { pr_debug("perf_evlist__open: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); + evlist__cancel_workload(evlist); goto out_delete_evlist; } @@ -149,6 +167,7 @@ static int test__PERF_RECORD(struct test_suite *test __maybe_unused, int subtest if (err < 0) { pr_debug("evlist__mmap: %s\n", str_error_r(errno, sbuf, sizeof(sbuf))); + evlist__cancel_workload(evlist); goto out_delete_evlist; } @@ -328,8 +347,10 @@ found_exit: ++errs; } out_delete_evlist: + CPU_FREE(cpu_mask); evlist__delete(evlist); out: + perf_sample__exit(&sample); if (err == -EACCES) return TEST_SKIP; if (err < 0 || errs != 0) diff --git a/tools/perf/tests/perf-targz-src-pkg b/tools/perf/tests/perf-targz-src-pkg index fae26b1cf08f..52a90e6bd8af 100755 --- a/tools/perf/tests/perf-targz-src-pkg +++ b/tools/perf/tests/perf-targz-src-pkg @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # Test one of the main kernel Makefile targets to generate a perf sources tarball # suitable for build outside the full kernel sources. @@ -7,16 +7,17 @@ # be in such tarball, which sometimes gets broken when we move files around, # like when we made some files that were in tools/perf/ available to other tools/ # codebases by moving it to tools/include/, etc. +set -e PERF=$1 cd ${PERF}/../.. -make perf-targz-src-pkg > /dev/null +make perf-targz-src-pkg TARBALL=$(ls -rt perf-*.tar.gz) TMP_DEST=$(mktemp -d) tar xf ${TARBALL} -C $TMP_DEST rm -f ${TARBALL} cd - > /dev/null -make -C $TMP_DEST/perf*/tools/perf > /dev/null +make -C $TMP_DEST/perf*/tools/perf RC=$? rm -rf ${TMP_DEST} exit $RC diff --git a/tools/perf/tests/perf-time-to-tsc.c b/tools/perf/tests/perf-time-to-tsc.c index efcd71c2738a..cca41bd37ae3 100644 --- a/tools/perf/tests/perf-time-to-tsc.c +++ b/tools/perf/tests/perf-time-to-tsc.c @@ -90,10 +90,10 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su struct mmap *md; - threads = thread_map__new(-1, getpid(), UINT_MAX); + threads = thread_map__new_by_tid(getpid()); CHECK_NOT_NULL__(threads); - cpus = perf_cpu_map__new(NULL); + cpus = perf_cpu_map__new_online_cpus(); CHECK_NOT_NULL__(cpus); evlist = evlist__new(); @@ -101,11 +101,11 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su perf_evlist__set_maps(&evlist->core, cpus, threads); - CHECK__(parse_event(evlist, "cycles:u")); + CHECK__(parse_event(evlist, "cpu-cycles:u")); evlist__config(evlist, &opts, NULL); - /* For hybrid "cycles:u", it creates two events */ + /* For hybrid "cpu-cycles:u", it creates two events */ evlist__for_each_entry(evlist, evsel) { evsel->core.attr.comm = 1; evsel->core.attr.disabled = 1; @@ -153,6 +153,7 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su while ((event = perf_mmap__read_event(&md->core)) != NULL) { struct perf_sample sample; + perf_sample__init(&sample, /*all=*/false); if (event->header.type != PERF_RECORD_COMM || (pid_t)event->comm.pid != getpid() || (pid_t)event->comm.tid != getpid()) @@ -170,6 +171,7 @@ static int test__perf_time_to_tsc(struct test_suite *test __maybe_unused, int su } next_event: perf_mmap__consume(&md->core); + perf_sample__exit(&sample); } perf_mmap__read_done(&md->core); } diff --git a/tools/perf/tests/pfm.c b/tools/perf/tests/pfm.c index 71b76deb1f92..fca4a86452df 100644 --- a/tools/perf/tests/pfm.c +++ b/tools/perf/tests/pfm.c @@ -4,6 +4,7 @@ * * Copyright 2020 Google LLC. */ +#include <errno.h> #include "tests.h" #include "util/debug.h" #include "util/evlist.h" @@ -76,7 +77,7 @@ static int test__pfm_events(struct test_suite *test __maybe_unused, count_pfm_events(&evlist->core), table[i].nr_events); TEST_ASSERT_EQUAL(table[i].events, - evlist->core.nr_groups, + evlist__nr_groups(evlist), 0); evlist__delete(evlist); @@ -103,22 +104,22 @@ static int test__pfm_group(struct test_suite *test __maybe_unused, { .events = "{instructions}", .nr_events = 1, - .nr_groups = 1, + .nr_groups = 0, }, { .events = "{instructions},{}", .nr_events = 1, - .nr_groups = 1, + .nr_groups = 0, }, { .events = "{},{instructions}", .nr_events = 1, - .nr_groups = 1, + .nr_groups = 0, }, { .events = "{instructions},{instructions}", .nr_events = 2, - .nr_groups = 2, + .nr_groups = 0, }, { .events = "{instructions,cycles},{instructions,cycles}", @@ -161,7 +162,7 @@ static int test__pfm_group(struct test_suite *test __maybe_unused, count_pfm_events(&evlist->core), table[i].nr_events); TEST_ASSERT_EQUAL(table[i].events, - evlist->core.nr_groups, + evlist__nr_groups(evlist), table[i].nr_groups); evlist__delete(evlist); diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c index a9f2330f6257..a99716862168 100644 --- a/tools/perf/tests/pmu-events.c +++ b/tools/perf/tests/pmu-events.c @@ -2,6 +2,7 @@ #include "math.h" #include "parse-events.h" #include "pmu.h" +#include "pmus.h" #include "tests.h" #include <errno.h> #include <stdio.h> @@ -21,10 +22,6 @@ struct perf_pmu_test_event { /* used for matching against events from generated pmu-events.c */ struct pmu_event event; - /* used for matching against event aliases */ - /* extra events for aliases */ - const char *alias_str; - /* * Note: For when PublicDescription does not exist in the JSON, we * will have no long_desc in pmu_event.long_desc, but long_desc may @@ -37,74 +34,71 @@ struct perf_pmu_test_event { }; struct perf_pmu_test_pmu { - struct perf_pmu pmu; + const char *pmu_name; + bool pmu_is_uncore; + const char *pmu_id; struct perf_pmu_test_event const *aliases[10]; }; static const struct perf_pmu_test_event bp_l1_btb_correct = { .event = { + .pmu = "default_core", .name = "bp_l1_btb_correct", .event = "event=0x8a", .desc = "L1 BTB Correction", .topic = "branch", }, - .alias_str = "event=0x8a", - .alias_long_desc = "L1 BTB Correction", }; static const struct perf_pmu_test_event bp_l2_btb_correct = { .event = { + .pmu = "default_core", .name = "bp_l2_btb_correct", .event = "event=0x8b", .desc = "L2 BTB Correction", .topic = "branch", }, - .alias_str = "event=0x8b", - .alias_long_desc = "L2 BTB Correction", }; static const struct perf_pmu_test_event segment_reg_loads_any = { .event = { + .pmu = "default_core", .name = "segment_reg_loads.any", - .event = "event=0x6,period=200000,umask=0x80", + .event = "event=6,period=200000,umask=0x80", .desc = "Number of segment register loads", .topic = "other", }, - .alias_str = "event=0x6,period=0x30d40,umask=0x80", - .alias_long_desc = "Number of segment register loads", }; static const struct perf_pmu_test_event dispatch_blocked_any = { .event = { + .pmu = "default_core", .name = "dispatch_blocked.any", - .event = "event=0x9,period=200000,umask=0x20", + .event = "event=9,period=200000,umask=0x20", .desc = "Memory cluster signals to block micro-op dispatch for any reason", .topic = "other", }, - .alias_str = "event=0x9,period=0x30d40,umask=0x20", - .alias_long_desc = "Memory cluster signals to block micro-op dispatch for any reason", }; static const struct perf_pmu_test_event eist_trans = { .event = { + .pmu = "default_core", .name = "eist_trans", - .event = "event=0x3a,period=200000,umask=0x0", + .event = "event=0x3a,period=200000", .desc = "Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions", .topic = "other", }, - .alias_str = "event=0x3a,period=0x30d40,umask=0", - .alias_long_desc = "Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions", }; static const struct perf_pmu_test_event l3_cache_rd = { .event = { + .pmu = "default_core", .name = "l3_cache_rd", .event = "event=0x40", .desc = "L3 cache access, read", .long_desc = "Attributable Level 3 cache access, read", .topic = "cache", }, - .alias_str = "event=0x40", .alias_long_desc = "Attributable Level 3 cache access, read", }; @@ -121,14 +115,11 @@ static const struct perf_pmu_test_event *core_events[] = { static const struct perf_pmu_test_event uncore_hisi_ddrc_flux_wcmd = { .event = { .name = "uncore_hisi_ddrc.flux_wcmd", - .event = "event=0x2", - .desc = "DDRC write commands. Unit: hisi_sccl,ddrc ", + .event = "event=2", + .desc = "DDRC write commands", .topic = "uncore", - .long_desc = "DDRC write commands", .pmu = "hisi_sccl,ddrc", }, - .alias_str = "event=0x2", - .alias_long_desc = "DDRC write commands", .matching_pmu = "hisi_sccl1_ddrc2", }; @@ -136,55 +127,43 @@ static const struct perf_pmu_test_event unc_cbo_xsnp_response_miss_eviction = { .event = { .name = "unc_cbo_xsnp_response.miss_eviction", .event = "event=0x22,umask=0x81", - .desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core. Unit: uncore_cbox ", + .desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core", .topic = "uncore", - .long_desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core", .pmu = "uncore_cbox", }, - .alias_str = "event=0x22,umask=0x81", - .alias_long_desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core", .matching_pmu = "uncore_cbox_0", }; static const struct perf_pmu_test_event uncore_hyphen = { .event = { .name = "event-hyphen", - .event = "event=0xe0,umask=0x00", - .desc = "UNC_CBO_HYPHEN. Unit: uncore_cbox ", + .event = "event=0xe0", + .desc = "UNC_CBO_HYPHEN", .topic = "uncore", - .long_desc = "UNC_CBO_HYPHEN", .pmu = "uncore_cbox", }, - .alias_str = "event=0xe0,umask=0", - .alias_long_desc = "UNC_CBO_HYPHEN", .matching_pmu = "uncore_cbox_0", }; static const struct perf_pmu_test_event uncore_two_hyph = { .event = { .name = "event-two-hyph", - .event = "event=0xc0,umask=0x00", - .desc = "UNC_CBO_TWO_HYPH. Unit: uncore_cbox ", + .event = "event=0xc0", + .desc = "UNC_CBO_TWO_HYPH", .topic = "uncore", - .long_desc = "UNC_CBO_TWO_HYPH", .pmu = "uncore_cbox", }, - .alias_str = "event=0xc0,umask=0", - .alias_long_desc = "UNC_CBO_TWO_HYPH", .matching_pmu = "uncore_cbox_0", }; static const struct perf_pmu_test_event uncore_hisi_l3c_rd_hit_cpipe = { .event = { .name = "uncore_hisi_l3c.rd_hit_cpipe", - .event = "event=0x7", - .desc = "Total read hits. Unit: hisi_sccl,l3c ", + .event = "event=7", + .desc = "Total read hits", .topic = "uncore", - .long_desc = "Total read hits", .pmu = "hisi_sccl,l3c", }, - .alias_str = "event=0x7", - .alias_long_desc = "Total read hits", .matching_pmu = "hisi_sccl3_l3c7", }; @@ -192,13 +171,10 @@ static const struct perf_pmu_test_event uncore_imc_free_running_cache_miss = { .event = { .name = "uncore_imc_free_running.cache_miss", .event = "event=0x12", - .desc = "Total cache misses. Unit: uncore_imc_free_running ", + .desc = "Total cache misses", .topic = "uncore", - .long_desc = "Total cache misses", .pmu = "uncore_imc_free_running", }, - .alias_str = "event=0x12", - .alias_long_desc = "Total cache misses", .matching_pmu = "uncore_imc_free_running_0", }; @@ -206,13 +182,10 @@ static const struct perf_pmu_test_event uncore_imc_cache_hits = { .event = { .name = "uncore_imc.cache_hits", .event = "event=0x34", - .desc = "Total cache hits. Unit: uncore_imc ", + .desc = "Total cache hits", .topic = "uncore", - .long_desc = "Total cache hits", .pmu = "uncore_imc", }, - .alias_str = "event=0x34", - .alias_long_desc = "Total cache hits", .matching_pmu = "uncore_imc_0", }; @@ -231,33 +204,42 @@ static const struct perf_pmu_test_event sys_ddr_pmu_write_cycles = { .event = { .name = "sys_ddr_pmu.write_cycles", .event = "event=0x2b", - .desc = "ddr write-cycles event. Unit: uncore_sys_ddr_pmu ", + .desc = "ddr write-cycles event", .topic = "uncore", .pmu = "uncore_sys_ddr_pmu", .compat = "v8", }, - .alias_str = "event=0x2b", - .alias_long_desc = "ddr write-cycles event. Unit: uncore_sys_ddr_pmu ", - .matching_pmu = "uncore_sys_ddr_pmu", + .matching_pmu = "uncore_sys_ddr_pmu0", }; static const struct perf_pmu_test_event sys_ccn_pmu_read_cycles = { .event = { .name = "sys_ccn_pmu.read_cycles", .event = "config=0x2c", - .desc = "ccn read-cycles event. Unit: uncore_sys_ccn_pmu ", + .desc = "ccn read-cycles event", .topic = "uncore", .pmu = "uncore_sys_ccn_pmu", .compat = "0x01", }, - .alias_str = "config=0x2c", - .alias_long_desc = "ccn read-cycles event. Unit: uncore_sys_ccn_pmu ", - .matching_pmu = "uncore_sys_ccn_pmu", + .matching_pmu = "uncore_sys_ccn_pmu4", +}; + +static const struct perf_pmu_test_event sys_cmn_pmu_hnf_cache_miss = { + .event = { + .name = "sys_cmn_pmu.hnf_cache_miss", + .event = "eventid=1,type=5", + .desc = "Counts total cache misses in first lookup result (high priority)", + .topic = "uncore", + .pmu = "uncore_sys_cmn_pmu", + .compat = "(434|436|43c|43a).*", + }, + .matching_pmu = "uncore_sys_cmn_pmu0", }; static const struct perf_pmu_test_event *sys_events[] = { &sys_ddr_pmu_write_cycles, &sys_ccn_pmu_read_cycles, + &sys_cmn_pmu_hnf_cache_miss, NULL }; @@ -325,52 +307,22 @@ static int compare_pmu_events(const struct pmu_event *e1, const struct pmu_event return -1; } - if (!is_same(e1->perpkg, e2->perpkg)) { - pr_debug2("testing event e1 %s: mismatched perpkg, %s vs %s\n", + if (e1->perpkg != e2->perpkg) { + pr_debug2("testing event e1 %s: mismatched perpkg, %d vs %d\n", e1->name, e1->perpkg, e2->perpkg); return -1; } - if (!is_same(e1->aggr_mode, e2->aggr_mode)) { - pr_debug2("testing event e1 %s: mismatched aggr_mode, %s vs %s\n", - e1->name, e1->aggr_mode, e2->aggr_mode); - return -1; - } - - if (!is_same(e1->metric_expr, e2->metric_expr)) { - pr_debug2("testing event e1 %s: mismatched metric_expr, %s vs %s\n", - e1->name, e1->metric_expr, e2->metric_expr); - return -1; - } - - if (!is_same(e1->metric_name, e2->metric_name)) { - pr_debug2("testing event e1 %s: mismatched metric_name, %s vs %s\n", - e1->name, e1->metric_name, e2->metric_name); - return -1; - } - - if (!is_same(e1->metric_group, e2->metric_group)) { - pr_debug2("testing event e1 %s: mismatched metric_group, %s vs %s\n", - e1->name, e1->metric_group, e2->metric_group); - return -1; - } - - if (!is_same(e1->deprecated, e2->deprecated)) { - pr_debug2("testing event e1 %s: mismatched deprecated, %s vs %s\n", + if (e1->deprecated != e2->deprecated) { + pr_debug2("testing event e1 %s: mismatched deprecated, %d vs %d\n", e1->name, e1->deprecated, e2->deprecated); return -1; } - if (!is_same(e1->metric_constraint, e2->metric_constraint)) { - pr_debug2("testing event e1 %s: mismatched metric_constant, %s vs %s\n", - e1->name, e1->metric_constraint, e2->metric_constraint); - return -1; - } - return 0; } -static int compare_alias_to_test_event(struct perf_pmu_alias *alias, +static int compare_alias_to_test_event(struct pmu_event_info *alias, struct perf_pmu_test_event const *test_event, char const *pmu_name) { @@ -402,9 +354,9 @@ static int compare_alias_to_test_event(struct perf_pmu_alias *alias, return -1; } - if (!is_same(alias->str, test_event->alias_str)) { + if (!is_same(alias->str, test_event->event.event)) { pr_debug("testing aliases PMU %s: mismatched str, %s vs %s\n", - pmu_name, alias->str, test_event->alias_str); + pmu_name, alias->str, test_event->event.event); return -1; } @@ -414,8 +366,8 @@ static int compare_alias_to_test_event(struct perf_pmu_alias *alias, return -1; } - - if (!is_same(alias->pmu_name, test_event->event.pmu)) { + if (!is_same(alias->pmu_name, test_event->event.pmu) && + !is_same(alias->pmu_name, "default_core")) { pr_debug("testing aliases PMU %s: mismatched pmu_name, %s vs %s\n", pmu_name, alias->pmu_name, test_event->event.pmu); return -1; @@ -432,10 +384,7 @@ static int test__pmu_event_table_core_callback(const struct pmu_event *pe, struct perf_pmu_test_event const **test_event_table; bool found = false; - if (!pe->name) - return 0; - - if (pe->pmu) + if (strcmp(pe->pmu, "default_core")) test_event_table = &uncore_events[0]; else test_event_table = &core_events[0]; @@ -496,7 +445,8 @@ static int test__pmu_event_table_sys_callback(const struct pmu_event *pe, static int test__pmu_event_table(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - const struct pmu_events_table *sys_event_table = find_sys_events_table("pme_test_soc_sys"); + const struct pmu_events_table *sys_event_table = + find_sys_events_table("pmu_events__test_soc_sys"); const struct pmu_events_table *table = find_core_events_table("testarch", "testcpu"); int map_events = 0, expected_events, err; @@ -508,12 +458,14 @@ static int test__pmu_event_table(struct test_suite *test __maybe_unused, if (!table || !sys_event_table) return -1; - err = pmu_events_table_for_each_event(table, test__pmu_event_table_core_callback, + err = pmu_events_table__for_each_event(table, /*pmu=*/ NULL, + test__pmu_event_table_core_callback, &map_events); if (err) return err; - err = pmu_events_table_for_each_event(sys_event_table, test__pmu_event_table_sys_callback, + err = pmu_events_table__for_each_event(sys_event_table, /*pmu=*/ NULL, + test__pmu_event_table_sys_callback, &map_events); if (err) return err; @@ -527,26 +479,30 @@ static int test__pmu_event_table(struct test_suite *test __maybe_unused, return 0; } -static struct perf_pmu_alias *find_alias(const char *test_event, struct list_head *aliases) -{ - struct perf_pmu_alias *alias; +struct test_core_pmu_event_aliases_cb_args { + struct perf_pmu_test_event const *test_event; + int *count; +}; - list_for_each_entry(alias, aliases, list) - if (!strcmp(test_event, alias->name)) - return alias; +static int test_core_pmu_event_aliases_cb(void *state, struct pmu_event_info *alias) +{ + struct test_core_pmu_event_aliases_cb_args *args = state; - return NULL; + if (compare_alias_to_test_event(alias, args->test_event, alias->pmu->name)) + return -1; + (*args->count)++; + pr_debug2("testing aliases core PMU %s: matched event %s\n", + alias->pmu_name, alias->name); + return 0; } /* Verify aliases are as expected */ -static int __test_core_pmu_event_aliases(char *pmu_name, int *count) +static int __test_core_pmu_event_aliases(const char *pmu_name, int *count) { struct perf_pmu_test_event const **test_event_table; struct perf_pmu *pmu; - LIST_HEAD(aliases); int res = 0; const struct pmu_events_table *table = find_core_events_table("testarch", "testcpu"); - struct perf_pmu_alias *a, *tmp; if (!table) return -1; @@ -557,37 +513,39 @@ static int __test_core_pmu_event_aliases(char *pmu_name, int *count) if (!pmu) return -1; - pmu->name = pmu_name; + if (perf_pmu__init(pmu, PERF_PMU_TYPE_FAKE, pmu_name) != 0) { + perf_pmu__delete(pmu); + return -1; + } + pmu->is_core = true; - pmu_add_cpu_aliases_table(&aliases, pmu, table); + pmu->events_table = table; + pmu_add_cpu_aliases_table(pmu, table); + pmu->cpu_aliases_added = true; + pmu->sysfs_aliases_loaded = true; + res = pmu_events_table__find_event(table, pmu, "bp_l1_btb_correct", NULL, NULL); + if (res != 0) { + pr_debug("Missing test event in test architecture"); + return res; + } for (; *test_event_table; test_event_table++) { - struct perf_pmu_test_event const *test_event = *test_event_table; - struct pmu_event const *event = &test_event->event; - struct perf_pmu_alias *alias = find_alias(event->name, &aliases); - - if (!alias) { - pr_debug("testing aliases core PMU %s: no alias, alias_table->name=%s\n", - pmu_name, event->name); - res = -1; - break; - } - - if (compare_alias_to_test_event(alias, test_event, pmu_name)) { - res = -1; - break; - } - - (*count)++; - pr_debug2("testing aliases core PMU %s: matched event %s\n", - pmu_name, alias->name); + struct perf_pmu_test_event test_event = **test_event_table; + struct pmu_event const *event = &test_event.event; + struct test_core_pmu_event_aliases_cb_args args = { + .test_event = &test_event, + .count = count, + }; + int err; + + test_event.event.pmu = pmu_name; + err = perf_pmu__find_event(pmu, event->name, &args, + test_core_pmu_event_aliases_cb); + if (err) + res = err; } + perf_pmu__delete(pmu); - list_for_each_entry_safe(a, tmp, &aliases, list) { - list_del(&a->list); - perf_pmu_free_alias(a); - } - free(pmu); return res; } @@ -595,22 +553,38 @@ static int __test_uncore_pmu_event_aliases(struct perf_pmu_test_pmu *test_pmu) { int alias_count = 0, to_match_count = 0, matched_count = 0; struct perf_pmu_test_event const **table; - struct perf_pmu *pmu = &test_pmu->pmu; - const char *pmu_name = pmu->name; - struct perf_pmu_alias *a, *tmp, *alias; + struct perf_pmu *pmu; const struct pmu_events_table *events_table; - LIST_HEAD(aliases); int res = 0; events_table = find_core_events_table("testarch", "testcpu"); if (!events_table) return -1; - pmu_add_cpu_aliases_table(&aliases, pmu, events_table); - pmu_add_sys_aliases(&aliases, pmu); + + pmu = zalloc(sizeof(*pmu)); + if (!pmu) + return -1; + + if (perf_pmu__init(pmu, PERF_PMU_TYPE_FAKE, test_pmu->pmu_name) != 0) { + perf_pmu__delete(pmu); + return -1; + } + pmu->is_uncore = test_pmu->pmu_is_uncore; + if (test_pmu->pmu_id) { + pmu->id = strdup(test_pmu->pmu_id); + if (!pmu->id) { + perf_pmu__delete(pmu); + return -1; + } + } + pmu->events_table = events_table; + pmu_add_cpu_aliases_table(pmu, events_table); + pmu->cpu_aliases_added = true; + pmu->sysfs_aliases_loaded = true; + pmu_add_sys_aliases(pmu); /* Count how many aliases we generated */ - list_for_each_entry(alias, &aliases, list) - alias_count++; + alias_count = perf_pmu__num_events(pmu); /* Count how many aliases we expect from the known table */ for (table = &test_pmu->aliases[0]; *table; table++) @@ -618,66 +592,58 @@ static int __test_uncore_pmu_event_aliases(struct perf_pmu_test_pmu *test_pmu) if (alias_count != to_match_count) { pr_debug("testing aliases uncore PMU %s: mismatch expected aliases (%d) vs found (%d)\n", - pmu_name, to_match_count, alias_count); - res = -1; - goto out; + pmu->name, to_match_count, alias_count); + perf_pmu__delete(pmu); + return -1; } - list_for_each_entry(alias, &aliases, list) { - bool matched = false; - - for (table = &test_pmu->aliases[0]; *table; table++) { - struct perf_pmu_test_event const *test_event = *table; - struct pmu_event const *event = &test_event->event; - - if (!strcmp(event->name, alias->name)) { - if (compare_alias_to_test_event(alias, - test_event, - pmu_name)) { - continue; - } - matched = true; - matched_count++; - } + for (table = &test_pmu->aliases[0]; *table; table++) { + struct perf_pmu_test_event test_event = **table; + struct pmu_event const *event = &test_event.event; + int err; + struct test_core_pmu_event_aliases_cb_args args = { + .test_event = &test_event, + .count = &matched_count, + }; + + if (strcmp(pmu->name, test_event.matching_pmu)) { + pr_debug("testing aliases uncore PMU %s: mismatched matching_pmu, %s vs %s\n", + pmu->name, test_event.matching_pmu, pmu->name); + perf_pmu__delete(pmu); + return -1; } - if (matched == false) { + err = perf_pmu__find_event(pmu, event->name, &args, + test_core_pmu_event_aliases_cb); + if (err) { + res = err; pr_debug("testing aliases uncore PMU %s: could not match alias %s\n", - pmu_name, alias->name); - res = -1; - goto out; + pmu->name, event->name); + perf_pmu__delete(pmu); + return -1; } } if (alias_count != matched_count) { pr_debug("testing aliases uncore PMU %s: mismatch found aliases (%d) vs matched (%d)\n", - pmu_name, matched_count, alias_count); + pmu->name, matched_count, alias_count); res = -1; } - -out: - list_for_each_entry_safe(a, tmp, &aliases, list) { - list_del(&a->list); - perf_pmu_free_alias(a); - } + perf_pmu__delete(pmu); return res; } static struct perf_pmu_test_pmu test_pmus[] = { { - .pmu = { - .name = (char *)"hisi_sccl1_ddrc2", - .is_uncore = 1, - }, + .pmu_name = "hisi_sccl1_ddrc2", + .pmu_is_uncore = 1, .aliases = { &uncore_hisi_ddrc_flux_wcmd, }, }, { - .pmu = { - .name = (char *)"uncore_cbox_0", - .is_uncore = 1, - }, + .pmu_name = "uncore_cbox_0", + .pmu_is_uncore = 1, .aliases = { &unc_cbo_xsnp_response_miss_eviction, &uncore_hyphen, @@ -685,52 +651,74 @@ static struct perf_pmu_test_pmu test_pmus[] = { }, }, { - .pmu = { - .name = (char *)"hisi_sccl3_l3c7", - .is_uncore = 1, - }, + .pmu_name = "hisi_sccl3_l3c7", + .pmu_is_uncore = 1, .aliases = { &uncore_hisi_l3c_rd_hit_cpipe, }, }, { - .pmu = { - .name = (char *)"uncore_imc_free_running_0", - .is_uncore = 1, - }, + .pmu_name = "uncore_imc_free_running_0", + .pmu_is_uncore = 1, .aliases = { &uncore_imc_free_running_cache_miss, }, }, { - .pmu = { - .name = (char *)"uncore_imc_0", - .is_uncore = 1, - }, + .pmu_name = "uncore_imc_0", + .pmu_is_uncore = 1, .aliases = { &uncore_imc_cache_hits, }, }, { - .pmu = { - .name = (char *)"uncore_sys_ddr_pmu0", - .is_uncore = 1, - .id = (char *)"v8", - }, + .pmu_name = "uncore_sys_ddr_pmu0", + .pmu_is_uncore = 1, + .pmu_id = "v8", .aliases = { &sys_ddr_pmu_write_cycles, }, }, { - .pmu = { - .name = (char *)"uncore_sys_ccn_pmu4", - .is_uncore = 1, - .id = (char *)"0x01", - }, + .pmu_name = "uncore_sys_ccn_pmu4", + .pmu_is_uncore = 1, + .pmu_id = "0x01", .aliases = { &sys_ccn_pmu_read_cycles, }, }, + { + .pmu_name = "uncore_sys_cmn_pmu0", + .pmu_is_uncore = 1, + .pmu_id = "43401", + .aliases = { + &sys_cmn_pmu_hnf_cache_miss, + }, + }, + { + .pmu_name = "uncore_sys_cmn_pmu0", + .pmu_is_uncore = 1, + .pmu_id = "43602", + .aliases = { + &sys_cmn_pmu_hnf_cache_miss, + }, + }, + { + .pmu_name = "uncore_sys_cmn_pmu0", + .pmu_is_uncore = 1, + .pmu_id = "43c03", + .aliases = { + &sys_cmn_pmu_hnf_cache_miss, + }, + }, + { + .pmu_name = "uncore_sys_cmn_pmu0", + .pmu_is_uncore = 1, + .pmu_id = "43a01", + .aliases = { + &sys_cmn_pmu_hnf_cache_miss, + }, + } }; /* Test that aliases generated are as expected */ @@ -740,12 +728,9 @@ static int test__aliases(struct test_suite *test __maybe_unused, struct perf_pmu *pmu = NULL; unsigned long i; - while ((pmu = perf_pmu__scan(pmu)) != NULL) { + while ((pmu = perf_pmus__scan_core(pmu)) != NULL) { int count = 0; - if (!is_pmu_core(pmu->name)) - continue; - if (list_empty(&pmu->format)) { pr_debug2("skipping testing core PMU %s\n", pmu->name); continue; @@ -766,8 +751,9 @@ static int test__aliases(struct test_suite *test __maybe_unused, } for (i = 0; i < ARRAY_SIZE(test_pmus); i++) { - int res = __test_uncore_pmu_event_aliases(&test_pmus[i]); + int res; + res = __test_uncore_pmu_event_aliases(&test_pmus[i]); if (res) return res; } @@ -786,8 +772,7 @@ static bool is_number(const char *str) return errno == 0 && end_ptr != str; } -static int check_parse_id(const char *id, struct parse_events_error *error, - struct perf_pmu *fake_pmu) +static int check_parse_id(const char *id, struct parse_events_error *error) { struct evlist *evlist; int ret; @@ -808,16 +793,8 @@ static int check_parse_id(const char *id, struct parse_events_error *error, for (cur = strchr(dup, '@') ; cur; cur = strchr(++cur, '@')) *cur = '/'; - if (fake_pmu) { - /* - * Every call to __parse_events will try to initialize the PMU - * state from sysfs and then clean it up at the end. Reset the - * PMU events to the test state so that we don't pick up - * erroneous prefixes and suffixes. - */ - perf_pmu__test_parse_init(); - } - ret = __parse_events(evlist, dup, error, fake_pmu); + ret = __parse_events(evlist, dup, /*pmu_filter=*/NULL, error, /*fake_pmu=*/true, + /*warn_if_reordered=*/true, /*fake_tp=*/false); free(dup); evlist__delete(evlist); @@ -830,7 +807,7 @@ static int check_parse_fake(const char *id) int ret; parse_events_error__init(&error); - ret = check_parse_id(id, &error, &perf_pmu__fake); + ret = check_parse_id(id, &error); parse_events_error__exit(&error); return ret; } @@ -840,24 +817,21 @@ struct metric { struct metric_ref metric_ref; }; -static int test__parsing_callback(const struct pmu_event *pe, const struct pmu_events_table *table, +static int test__parsing_callback(const struct pmu_metric *pm, + const struct pmu_metrics_table *table, void *data) { int *failures = data; int k; struct evlist *evlist; struct perf_cpu_map *cpus; - struct runtime_stat st; struct evsel *evsel; - struct rblist metric_events = { - .nr_entries = 0, - }; int err = 0; - if (!pe->metric_expr) + if (!pm->metric_expr) return 0; - pr_debug("Found metric '%s'\n", pe->metric_name); + pr_debug("Found metric '%s'\n", pm->metric_name); (*failures)++; /* @@ -875,16 +849,13 @@ static int test__parsing_callback(const struct pmu_event *pe, const struct pmu_e } perf_evlist__set_maps(&evlist->core, cpus, NULL); - runtime_stat__init(&st); - err = metricgroup__parse_groups_test(evlist, table, pe->metric_name, - false, false, - &metric_events); + err = metricgroup__parse_groups_test(evlist, table, pm->metric_name); if (err) { - if (!strcmp(pe->metric_name, "M1") || !strcmp(pe->metric_name, "M2") || - !strcmp(pe->metric_name, "M3")) { + if (!strcmp(pm->metric_name, "M1") || !strcmp(pm->metric_name, "M2") || + !strcmp(pm->metric_name, "M3")) { (*failures)--; - pr_debug("Expected broken metric %s skipping\n", pe->metric_name); + pr_debug("Expected broken metric %s skipping\n", pm->metric_name); err = 0; } goto out_err; @@ -898,38 +869,34 @@ static int test__parsing_callback(const struct pmu_event *pe, const struct pmu_e * zero when subtracted and so try to make them unique. */ k = 1; - perf_stat__reset_shadow_stats(); + evlist__alloc_aggr_stats(evlist, 1); evlist__for_each_entry(evlist, evsel) { - perf_stat__update_shadow_stats(evsel, k, 0, &st); - if (!strcmp(evsel->name, "duration_time")) - update_stats(&walltime_nsecs_stats, k); + evsel->stats->aggr->counts.val = k; k++; } evlist__for_each_entry(evlist, evsel) { - struct metric_event *me = metricgroup__lookup(&metric_events, evsel, false); + struct metric_event *me = metricgroup__lookup(&evlist->metric_events, evsel, false); if (me != NULL) { struct metric_expr *mexp; list_for_each_entry (mexp, &me->head, nd) { - if (strcmp(mexp->metric_name, pe->metric_name)) + if (strcmp(mexp->metric_name, pm->metric_name)) continue; - pr_debug("Result %f\n", test_generic_metric(mexp, 0, &st)); + pr_debug("Result %f\n", test_generic_metric(mexp, 0)); err = 0; (*failures)--; goto out_err; } } } - pr_debug("Didn't find parsed metric %s", pe->metric_name); + pr_debug("Didn't find parsed metric %s", pm->metric_name); err = 1; out_err: if (err) - pr_debug("Broken metric %s\n", pe->metric_name); + pr_debug("Broken metric %s\n", pm->metric_name); /* ... cleanup. */ - metricgroup__rblist_exit(&metric_events); - runtime_stat__exit(&st); evlist__free_stats(evlist); perf_cpu_map__put(cpus); evlist__delete(evlist); @@ -941,8 +908,8 @@ static int test__parsing(struct test_suite *test __maybe_unused, { int failures = 0; - pmu_for_each_core_event(test__parsing_callback, &failures); - pmu_for_each_sys_event(test__parsing_callback, &failures); + pmu_for_each_core_metric(test__parsing_callback, &failures); + pmu_for_each_sys_metric(test__parsing_callback, &failures); return failures == 0 ? TEST_OK : TEST_FAIL; } @@ -975,6 +942,7 @@ static int metric_parse_fake(const char *metric_name, const char *str) pr_debug("expr__ctx_new failed"); return TEST_FAIL; } + ctx->sctx.is_test = true; if (expr__find_ids(str, NULL, ctx) < 0) { pr_err("expr__find_ids failed\n"); return -1; @@ -1021,20 +989,16 @@ out: return ret; } -static int test__parsing_fake_callback(const struct pmu_event *pe, - const struct pmu_events_table *table __maybe_unused, +static int test__parsing_fake_callback(const struct pmu_metric *pm, + const struct pmu_metrics_table *table __maybe_unused, void *data __maybe_unused) { - if (!pe->metric_expr) - return 0; - - return metric_parse_fake(pe->metric_name, pe->metric_expr); + return metric_parse_fake(pm->metric_name, pm->metric_expr); } /* - * Parse all the metrics for current architecture, - * or all defined cpus via the 'fake_pmu' - * in parse_events. + * Parse all the metrics for current architecture, or all defined cpus via the + * 'fake_pmu' in parse_events. */ static int test__parsing_fake(struct test_suite *test __maybe_unused, int subtest __maybe_unused) @@ -1047,11 +1011,32 @@ static int test__parsing_fake(struct test_suite *test __maybe_unused, return err; } - err = pmu_for_each_core_event(test__parsing_fake_callback, NULL); + err = pmu_for_each_core_metric(test__parsing_fake_callback, NULL); + if (err) + return err; + + return pmu_for_each_sys_metric(test__parsing_fake_callback, NULL); +} + +static int test__parsing_threshold_callback(const struct pmu_metric *pm, + const struct pmu_metrics_table *table __maybe_unused, + void *data __maybe_unused) +{ + if (!pm->metric_threshold) + return 0; + return metric_parse_fake(pm->metric_name, pm->metric_threshold); +} + +static int test__parsing_threshold(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + int err = 0; + + err = pmu_for_each_core_metric(test__parsing_threshold_callback, NULL); if (err) return err; - return pmu_for_each_sys_event(test__parsing_fake_callback, NULL); + return pmu_for_each_sys_metric(test__parsing_threshold_callback, NULL); } static struct test_case pmu_events_tests[] = { @@ -1060,10 +1045,11 @@ static struct test_case pmu_events_tests[] = { TEST_CASE_REASON("Parsing of PMU event table metrics", parsing, "some metrics failed"), TEST_CASE("Parsing of PMU event table metrics with fake PMUs", parsing_fake), + TEST_CASE("Parsing of metric thresholds with fake PMUs", parsing_threshold), { .name = NULL, } }; struct test_suite suite__pmu_events = { - .desc = "PMU events", + .desc = "PMU JSON event tests", .test_cases = pmu_events_tests, }; diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c index 8507bd615e97..cbded2c6faa4 100644 --- a/tools/perf/tests/pmu.c +++ b/tools/perf/tests/pmu.c @@ -1,181 +1,548 @@ // SPDX-License-Identifier: GPL-2.0 +#include "evlist.h" +#include "evsel.h" #include "parse-events.h" #include "pmu.h" +#include "pmus.h" #include "tests.h" +#include "debug.h" +#include "fncache.h" +#include <api/fs/fs.h> +#include <ctype.h> +#include <dirent.h> #include <errno.h> +#include <fcntl.h> #include <stdio.h> -#include <linux/kernel.h> -#include <linux/limits.h> - -/* Simulated format definitions. */ -static struct test_format { - const char *name; - const char *value; -} test_formats[] = { - { "krava01", "config:0-1,62-63\n", }, - { "krava02", "config:10-17\n", }, - { "krava03", "config:5\n", }, - { "krava11", "config1:0,2,4,6,8,20-28\n", }, - { "krava12", "config1:63\n", }, - { "krava13", "config1:45-47\n", }, - { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, - { "krava22", "config2:8,18,48,58\n", }, - { "krava23", "config2:28-29,38\n", }, -}; +#include <stdlib.h> +#include <unistd.h> +#include <sys/stat.h> +#include <sys/types.h> -/* Simulated users input. */ -static struct parse_events_term test_terms[] = { - { - .config = (char *) "krava01", - .val.num = 15, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava02", - .val.num = 170, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava03", - .val.num = 1, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava11", - .val.num = 27, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava12", - .val.num = 1, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava13", - .val.num = 2, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava21", - .val.num = 119, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava22", - .val.num = 11, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, - { - .config = (char *) "krava23", - .val.num = 2, - .type_val = PARSE_EVENTS__TERM_TYPE_NUM, - .type_term = PARSE_EVENTS__TERM_TYPE_USER, - }, -}; +/* Cleanup test PMU directory. */ +static int test_pmu_put(const char *dir, struct perf_pmu *pmu) +{ + char buf[PATH_MAX + 20]; + int ret; + + if (scnprintf(buf, sizeof(buf), "rm -fr %s", dir) < 0) { + pr_err("Failure to set up buffer for \"%s\"\n", dir); + return -EINVAL; + } + ret = system(buf); + if (ret) + pr_err("Failure to \"%s\"\n", buf); + + list_del(&pmu->list); + perf_pmu__delete(pmu); + return ret; +} /* - * Prepare format directory data, exported by kernel - * at /sys/bus/event_source/devices/<dev>/format. + * Prepare test PMU directory data, normally exported by kernel at + * /sys/bus/event_source/devices/<pmu>/. Give as input a buffer to hold the file + * path, the result is PMU loaded using that directory. */ -static char *test_format_dir_get(void) +static struct perf_pmu *test_pmu_get(char *dir, size_t sz) { - static char dir[PATH_MAX]; - unsigned int i; + /* Simulated format definitions. */ + const struct test_format { + const char *name; + const char *value; + } test_formats[] = { + { "krava01", "config:0-1,62-63\n", }, + { "krava02", "config:10-17\n", }, + { "krava03", "config:5\n", }, + { "krava11", "config1:0,2,4,6,8,20-28\n", }, + { "krava12", "config1:63\n", }, + { "krava13", "config1:45-47\n", }, + { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, + { "krava22", "config2:8,18,48,58\n", }, + { "krava23", "config2:28-29,38\n", }, + }; + const char *test_event = "krava01=15,krava02=170,krava03=1,krava11=27,krava12=1," + "krava13=2,krava21=119,krava22=11,krava23=2\n"; - snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX"); - if (!mkdtemp(dir)) + char name[PATH_MAX]; + int dirfd, file; + struct perf_pmu *pmu = NULL; + ssize_t len; + + /* Create equivalent of sysfs mount point. */ + scnprintf(dir, sz, "/tmp/perf-pmu-test-XXXXXX"); + if (!mkdtemp(dir)) { + pr_err("mkdtemp failed\n"); + dir[0] = '\0'; return NULL; + } + dirfd = open(dir, O_DIRECTORY); + if (dirfd < 0) { + pr_err("Failed to open test directory \"%s\"\n", dir); + goto err_out; + } - for (i = 0; i < ARRAY_SIZE(test_formats); i++) { - static char name[PATH_MAX]; - struct test_format *format = &test_formats[i]; - FILE *file; + /* Create the test PMU directory and give it a perf_event_attr type number. */ + if (mkdirat(dirfd, "perf-pmu-test", 0755) < 0) { + pr_err("Failed to mkdir PMU directory\n"); + goto err_out; + } + file = openat(dirfd, "perf-pmu-test/type", O_WRONLY | O_CREAT, 0600); + if (!file) { + pr_err("Failed to open for writing file \"type\"\n"); + goto err_out; + } + len = strlen("9999"); + if (write(file, "9999\n", len) < len) { + close(file); + pr_err("Failed to write to 'type' file\n"); + goto err_out; + } + close(file); - scnprintf(name, PATH_MAX, "%s/%s", dir, format->name); + /* Create format directory and files. */ + if (mkdirat(dirfd, "perf-pmu-test/format", 0755) < 0) { + pr_err("Failed to mkdir PMU format directory\n)"); + goto err_out; + } + for (size_t i = 0; i < ARRAY_SIZE(test_formats); i++) { + const struct test_format *format = &test_formats[i]; - file = fopen(name, "w"); - if (!file) - return NULL; + if (scnprintf(name, PATH_MAX, "perf-pmu-test/format/%s", format->name) < 0) { + pr_err("Failure to set up path for \"%s\"\n", format->name); + goto err_out; + } + file = openat(dirfd, name, O_WRONLY | O_CREAT, 0600); + if (!file) { + pr_err("Failed to open for writing file \"%s\"\n", name); + goto err_out; + } - if (1 != fwrite(format->value, strlen(format->value), 1, file)) - break; + if (write(file, format->value, strlen(format->value)) < 0) { + pr_err("Failed to write to file \"%s\"\n", name); + close(file); + goto err_out; + } + close(file); + } - fclose(file); + /* Create test event. */ + if (mkdirat(dirfd, "perf-pmu-test/events", 0755) < 0) { + pr_err("Failed to mkdir PMU events directory\n"); + goto err_out; + } + file = openat(dirfd, "perf-pmu-test/events/test-event", O_WRONLY | O_CREAT, 0600); + if (!file) { + pr_err("Failed to open for writing file \"type\"\n"); + goto err_out; + } + len = strlen(test_event); + if (write(file, test_event, len) < len) { + close(file); + pr_err("Failed to write to 'test-event' file\n"); + goto err_out; } + close(file); - return dir; + /* Make the PMU reading the files created above. */ + pmu = perf_pmus__add_test_pmu(dirfd, "perf-pmu-test"); + if (!pmu) + pr_err("Test PMU creation failed\n"); + +err_out: + if (!pmu) + test_pmu_put(dir, pmu); + if (dirfd >= 0) + close(dirfd); + return pmu; } -/* Cleanup format directory. */ -static int test_format_dir_put(char *dir) +static int test__pmu_format(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - char buf[PATH_MAX]; - snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir); - if (system(buf)) - return -1; + char dir[PATH_MAX]; + struct perf_event_attr attr; + struct parse_events_terms terms; + int ret = TEST_FAIL; + struct perf_pmu *pmu = test_pmu_get(dir, sizeof(dir)); + + if (!pmu) + return TEST_FAIL; + + parse_events_terms__init(&terms); + if (parse_events_terms(&terms, + "krava01=15,krava02=170,krava03=1,krava11=27,krava12=1," + "krava13=2,krava21=119,krava22=11,krava23=2")) { + pr_err("Term parsing failed\n"); + goto err_out; + } + + memset(&attr, 0, sizeof(attr)); + ret = perf_pmu__config_terms(pmu, &attr, &terms, /*zero=*/false, + /*apply_hardcoded=*/false, /*err=*/NULL); + if (ret) { + pr_err("perf_pmu__config_terms failed"); + goto err_out; + } + + if (attr.config != 0xc00000000002a823) { + pr_err("Unexpected config value %llx\n", attr.config); + goto err_out; + } + if (attr.config1 != 0x8000400000000145) { + pr_err("Unexpected config1 value %llx\n", attr.config1); + goto err_out; + } + if (attr.config2 != 0x0400000020041d07) { + pr_err("Unexpected config2 value %llx\n", attr.config2); + goto err_out; + } - snprintf(buf, PATH_MAX, "rmdir %s\n", dir); - return system(buf); + ret = TEST_OK; +err_out: + parse_events_terms__exit(&terms); + test_pmu_put(dir, pmu); + return ret; } -static struct list_head *test_terms_list(void) +static int test__pmu_events(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - static LIST_HEAD(terms); - unsigned int i; + char dir[PATH_MAX]; + struct parse_events_error err; + struct evlist *evlist; + struct evsel *evsel; + struct perf_event_attr *attr; + int ret = TEST_FAIL; + struct perf_pmu *pmu = test_pmu_get(dir, sizeof(dir)); + const char *event = "perf-pmu-test/test-event/"; + + + if (!pmu) + return TEST_FAIL; - for (i = 0; i < ARRAY_SIZE(test_terms); i++) - list_add_tail(&test_terms[i].list, &terms); + evlist = evlist__new(); + if (evlist == NULL) { + pr_err("Failed allocation"); + goto err_out; + } + parse_events_error__init(&err); + ret = parse_events(evlist, event, &err); + if (ret) { + pr_debug("failed to parse event '%s', err %d\n", event, ret); + parse_events_error__print(&err, event); + if (parse_events_error__contains(&err, "can't access trace events")) + ret = TEST_SKIP; + goto err_out; + } + evsel = evlist__first(evlist); + attr = &evsel->core.attr; + if (attr->config != 0xc00000000002a823) { + pr_err("Unexpected config value %llx\n", attr->config); + goto err_out; + } + if (attr->config1 != 0x8000400000000145) { + pr_err("Unexpected config1 value %llx\n", attr->config1); + goto err_out; + } + if (attr->config2 != 0x0400000020041d07) { + pr_err("Unexpected config2 value %llx\n", attr->config2); + goto err_out; + } - return &terms; + ret = TEST_OK; +err_out: + parse_events_error__exit(&err); + evlist__delete(evlist); + test_pmu_put(dir, pmu); + return ret; } -static int test__pmu(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +static bool permitted_event_name(const char *name) { - char *format = test_format_dir_get(); - LIST_HEAD(formats); - struct list_head *terms = test_terms_list(); - int ret; + bool has_lower = false, has_upper = false; + __u64 config; - if (!format) - return -EINVAL; + for (size_t i = 0; i < strlen(name); i++) { + char c = name[i]; + + if (islower(c)) { + if (has_upper) + goto check_legacy; + has_lower = true; + continue; + } + if (isupper(c)) { + if (has_lower) + goto check_legacy; + has_upper = true; + continue; + } + if (!isdigit(c) && c != '.' && c != '_' && c != '-') + goto check_legacy; + } + return true; +check_legacy: + /* + * If the event name matches a legacy cache name the legacy encoding + * will still be used. This isn't quite WAI as sysfs events should take + * priority, but this case happens on PowerPC and matches the behavior + * in older perf tools where legacy events were the priority. Be + * permissive and assume later PMU drivers will use all lower or upper + * case names. + */ + if (parse_events__decode_legacy_cache(name, /*extended_pmu_type=*/0, &config) == 0) { + pr_warning("sysfs event '%s' should be all lower/upper case, it will be matched using legacy encoding.", + name); + return true; + } + return false; +} - do { - struct perf_event_attr attr; +static int test__pmu_event_names(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + char path[PATH_MAX]; + DIR *pmu_dir, *event_dir; + struct dirent *pmu_dent, *event_dent; + const char *sysfs = sysfs__mountpoint(); + int ret = TEST_OK; - memset(&attr, 0, sizeof(attr)); + if (!sysfs) { + pr_err("Sysfs not mounted\n"); + return TEST_FAIL; + } - ret = perf_pmu__format_parse(format, &formats); - if (ret) - break; + snprintf(path, sizeof(path), "%s/bus/event_source/devices/", sysfs); + pmu_dir = opendir(path); + if (!pmu_dir) { + pr_err("Error opening \"%s\"\n", path); + return TEST_FAIL; + } + while ((pmu_dent = readdir(pmu_dir))) { + if (!strcmp(pmu_dent->d_name, ".") || + !strcmp(pmu_dent->d_name, "..")) + continue; - ret = perf_pmu__config_terms("perf-pmu-test", &formats, &attr, - terms, false, NULL); - if (ret) - break; + snprintf(path, sizeof(path), "%s/bus/event_source/devices/%s/type", + sysfs, pmu_dent->d_name); - ret = -EINVAL; + /* Does it look like a PMU? */ + if (!file_available(path)) + continue; - if (attr.config != 0xc00000000002a823) - break; - if (attr.config1 != 0x8000400000000145) - break; - if (attr.config2 != 0x0400000020041d07) - break; + /* Process events. */ + snprintf(path, sizeof(path), "%s/bus/event_source/devices/%s/events", + sysfs, pmu_dent->d_name); - ret = 0; - } while (0); + event_dir = opendir(path); + if (!event_dir) { + pr_debug("Skipping as no event directory \"%s\"\n", path); + continue; + } + while ((event_dent = readdir(event_dir))) { + const char *event_name = event_dent->d_name; - perf_pmu__del_formats(&formats); - test_format_dir_put(format); + if (!strcmp(event_name, ".") || !strcmp(event_name, "..")) + continue; + + if (!permitted_event_name(event_name)) { + pr_err("Invalid sysfs event name: %s/%s\n", + pmu_dent->d_name, event_name); + ret = TEST_FAIL; + } + } + closedir(event_dir); + } + closedir(pmu_dir); return ret; } -DEFINE_SUITE("Parse perf pmu format", pmu); +static const char * const uncore_chas[] = { + "uncore_cha_0", + "uncore_cha_1", + "uncore_cha_2", + "uncore_cha_3", + "uncore_cha_4", + "uncore_cha_5", + "uncore_cha_6", + "uncore_cha_7", + "uncore_cha_8", + "uncore_cha_9", + "uncore_cha_10", + "uncore_cha_11", + "uncore_cha_12", + "uncore_cha_13", + "uncore_cha_14", + "uncore_cha_15", + "uncore_cha_16", + "uncore_cha_17", + "uncore_cha_18", + "uncore_cha_19", + "uncore_cha_20", + "uncore_cha_21", + "uncore_cha_22", + "uncore_cha_23", + "uncore_cha_24", + "uncore_cha_25", + "uncore_cha_26", + "uncore_cha_27", + "uncore_cha_28", + "uncore_cha_29", + "uncore_cha_30", + "uncore_cha_31", +}; + +static const char * const mrvl_ddrs[] = { + "mrvl_ddr_pmu_87e1b0000000", + "mrvl_ddr_pmu_87e1b1000000", + "mrvl_ddr_pmu_87e1b2000000", + "mrvl_ddr_pmu_87e1b3000000", + "mrvl_ddr_pmu_87e1b4000000", + "mrvl_ddr_pmu_87e1b5000000", + "mrvl_ddr_pmu_87e1b6000000", + "mrvl_ddr_pmu_87e1b7000000", + "mrvl_ddr_pmu_87e1b8000000", + "mrvl_ddr_pmu_87e1b9000000", + "mrvl_ddr_pmu_87e1ba000000", + "mrvl_ddr_pmu_87e1bb000000", + "mrvl_ddr_pmu_87e1bc000000", + "mrvl_ddr_pmu_87e1bd000000", + "mrvl_ddr_pmu_87e1be000000", + "mrvl_ddr_pmu_87e1bf000000", +}; + +static int test__name_len(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + TEST_ASSERT_VAL("cpu", pmu_name_len_no_suffix("cpu") == strlen("cpu")); + TEST_ASSERT_VAL("i915", pmu_name_len_no_suffix("i915") == strlen("i915")); + TEST_ASSERT_VAL("cpum_cf", pmu_name_len_no_suffix("cpum_cf") == strlen("cpum_cf")); + for (size_t i = 0; i < ARRAY_SIZE(uncore_chas); i++) { + TEST_ASSERT_VAL("Strips uncore_cha suffix", + pmu_name_len_no_suffix(uncore_chas[i]) == + strlen("uncore_cha")); + } + for (size_t i = 0; i < ARRAY_SIZE(mrvl_ddrs); i++) { + TEST_ASSERT_VAL("Strips mrvl_ddr_pmu suffix", + pmu_name_len_no_suffix(mrvl_ddrs[i]) == + strlen("mrvl_ddr_pmu")); + } + return TEST_OK; +} + +static int test__name_cmp(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + TEST_ASSERT_EQUAL("cpu", pmu_name_cmp("cpu", "cpu"), 0); + TEST_ASSERT_EQUAL("i915", pmu_name_cmp("i915", "i915"), 0); + TEST_ASSERT_EQUAL("cpum_cf", pmu_name_cmp("cpum_cf", "cpum_cf"), 0); + TEST_ASSERT_VAL("i915", pmu_name_cmp("cpu", "i915") < 0); + TEST_ASSERT_VAL("i915", pmu_name_cmp("i915", "cpu") > 0); + TEST_ASSERT_VAL("cpum_cf", pmu_name_cmp("cpum_cf", "cpum_ce") > 0); + TEST_ASSERT_VAL("cpum_cf", pmu_name_cmp("cpum_cf", "cpum_d0") < 0); + for (size_t i = 1; i < ARRAY_SIZE(uncore_chas); i++) { + TEST_ASSERT_VAL("uncore_cha suffixes ordered lt", + pmu_name_cmp(uncore_chas[i-1], uncore_chas[i]) < 0); + TEST_ASSERT_VAL("uncore_cha suffixes ordered gt", + pmu_name_cmp(uncore_chas[i], uncore_chas[i-1]) > 0); + } + for (size_t i = 1; i < ARRAY_SIZE(mrvl_ddrs); i++) { + TEST_ASSERT_VAL("mrvl_ddr_pmu suffixes ordered lt", + pmu_name_cmp(mrvl_ddrs[i-1], mrvl_ddrs[i]) < 0); + TEST_ASSERT_VAL("mrvl_ddr_pmu suffixes ordered gt", + pmu_name_cmp(mrvl_ddrs[i], mrvl_ddrs[i-1]) > 0); + } + return TEST_OK; +} + +/** + * Test perf_pmu__wildcard_match() that's used to search for a PMU given a name passed + * on the command line. The name that's passed may also be a filename type glob + * match. If the name does not match, perf_pmu__wildcard_match() attempts to match the + * alias of the PMU, if provided. + */ +static int test__pmu_match(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + struct perf_pmu test_pmu = { + .name = "pmuname", + }; + +#define TEST_PMU_MATCH(msg, to_match, expect) \ + TEST_ASSERT_EQUAL(msg, perf_pmu__wildcard_match(&test_pmu, to_match), expect) + + TEST_PMU_MATCH("Exact match", "pmuname", true); + TEST_PMU_MATCH("Longer token", "longertoken", false); + TEST_PMU_MATCH("Shorter token", "pmu", false); + + test_pmu.name = "pmuname_10"; + TEST_PMU_MATCH("Diff suffix_", "pmuname_2", false); + TEST_PMU_MATCH("Sub suffix_", "pmuname_1", true); + TEST_PMU_MATCH("Same suffix_", "pmuname_10", true); + TEST_PMU_MATCH("No suffix_", "pmuname", true); + TEST_PMU_MATCH("Underscore_", "pmuname_", true); + TEST_PMU_MATCH("Substring_", "pmuna", false); + + test_pmu.name = "pmuname_ab23"; + TEST_PMU_MATCH("Diff suffix hex_", "pmuname_2", false); + TEST_PMU_MATCH("Sub suffix hex_", "pmuname_ab", true); + TEST_PMU_MATCH("Same suffix hex_", "pmuname_ab23", true); + TEST_PMU_MATCH("No suffix hex_", "pmuname", true); + TEST_PMU_MATCH("Underscore hex_", "pmuname_", true); + TEST_PMU_MATCH("Substring hex_", "pmuna", false); + + test_pmu.name = "pmuname10"; + TEST_PMU_MATCH("Diff suffix", "pmuname2", false); + TEST_PMU_MATCH("Sub suffix", "pmuname1", true); + TEST_PMU_MATCH("Same suffix", "pmuname10", true); + TEST_PMU_MATCH("No suffix", "pmuname", true); + TEST_PMU_MATCH("Underscore", "pmuname_", false); + TEST_PMU_MATCH("Substring", "pmuna", false); + + test_pmu.name = "pmunameab23"; + TEST_PMU_MATCH("Diff suffix hex", "pmuname2", false); + TEST_PMU_MATCH("Sub suffix hex", "pmunameab", true); + TEST_PMU_MATCH("Same suffix hex", "pmunameab23", true); + TEST_PMU_MATCH("No suffix hex", "pmuname", true); + TEST_PMU_MATCH("Underscore hex", "pmuname_", false); + TEST_PMU_MATCH("Substring hex", "pmuna", false); + + /* + * 2 hex chars or less are not considered suffixes so it shouldn't be + * possible to wildcard by skipping the suffix. Therefore there are more + * false results here than above. + */ + test_pmu.name = "pmuname_a3"; + TEST_PMU_MATCH("Diff suffix 2 hex_", "pmuname_2", false); + /* + * This one should be false, but because pmuname_a3 ends in 3 which is + * decimal, it's not possible to determine if it's a short hex suffix or + * a normal decimal suffix following text. And we want to match on any + * length of decimal suffix. Run the test anyway and expect the wrong + * result. And slightly fuzzy matching shouldn't do too much harm. + */ + TEST_PMU_MATCH("Sub suffix 2 hex_", "pmuname_a", true); + TEST_PMU_MATCH("Same suffix 2 hex_", "pmuname_a3", true); + TEST_PMU_MATCH("No suffix 2 hex_", "pmuname", false); + TEST_PMU_MATCH("Underscore 2 hex_", "pmuname_", false); + TEST_PMU_MATCH("Substring 2 hex_", "pmuna", false); + + test_pmu.name = "pmuname_5"; + TEST_PMU_MATCH("Glob 1", "pmu*", true); + TEST_PMU_MATCH("Glob 2", "nomatch*", false); + TEST_PMU_MATCH("Seq 1", "pmuname_[12345]", true); + TEST_PMU_MATCH("Seq 2", "pmuname_[67890]", false); + TEST_PMU_MATCH("? 1", "pmuname_?", true); + TEST_PMU_MATCH("? 2", "pmuname_1?", false); + + return TEST_OK; +} + +static struct test_case tests__pmu[] = { + TEST_CASE("Parsing with PMU format directory", pmu_format), + TEST_CASE("Parsing with PMU event", pmu_events), + TEST_CASE("PMU event names", pmu_event_names), + TEST_CASE("PMU name combining", name_len), + TEST_CASE("PMU name comparison", name_cmp), + TEST_CASE("PMU cmdline match", pmu_match), + { .name = NULL, } +}; + +struct test_suite suite__pmu = { + .desc = "Sysfs PMU tests", + .test_cases = tests__pmu, +}; diff --git a/tools/perf/tests/python-use.c b/tools/perf/tests/python-use.c deleted file mode 100644 index 6b990ee38575..000000000000 --- a/tools/perf/tests/python-use.c +++ /dev/null @@ -1,27 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -/* - * Just test if we can load the python binding. - */ - -#include <stdio.h> -#include <stdlib.h> -#include <linux/compiler.h> -#include "tests.h" -#include "util/debug.h" - -static int test__python_use(struct test_suite *test __maybe_unused, int subtest __maybe_unused) -{ - char *cmd; - int ret; - - if (asprintf(&cmd, "echo \"import sys ; sys.path.append('%s'); import perf\" | %s %s", - PYTHONPATH, PYTHON, verbose > 0 ? "" : "2> /dev/null") < 0) - return -1; - - pr_debug("python usage test: \"%s\"\n", cmd); - ret = system(cmd) ? -1 : 0; - free(cmd); - return ret; -} - -DEFINE_SUITE("'import perf' in python", python_use); diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c index 927c7f0cc4cc..a7327c942ca2 100644 --- a/tools/perf/tests/sample-parsing.c +++ b/tools/perf/tests/sample-parsing.c @@ -37,11 +37,11 @@ * in branch_stack variable. */ #define BS_EXPECTED_BE 0xa000d00000000000 -#define BS_EXPECTED_LE 0xd5000000 +#define BS_EXPECTED_LE 0x1aa00000000 #define FLAG(s) s->branch_stack->entries[i].flags -static bool samples_same(const struct perf_sample *s1, - const struct perf_sample *s2, +static bool samples_same(struct perf_sample *s1, + struct perf_sample *s2, u64 type, u64 read_format, bool needs_swap) { size_t i; @@ -126,13 +126,15 @@ static bool samples_same(const struct perf_sample *s1, } if (type & PERF_SAMPLE_REGS_USER) { - size_t sz = hweight_long(s1->user_regs.mask) * sizeof(u64); - - COMP(user_regs.mask); - COMP(user_regs.abi); - if (s1->user_regs.abi && - (!s1->user_regs.regs || !s2->user_regs.regs || - memcmp(s1->user_regs.regs, s2->user_regs.regs, sz))) { + struct regs_dump *s1_regs = perf_sample__user_regs(s1); + struct regs_dump *s2_regs = perf_sample__user_regs(s2); + size_t sz = hweight_long(s1_regs->mask) * sizeof(u64); + + COMP(user_regs->mask); + COMP(user_regs->abi); + if (s1_regs->abi && + (!s1_regs->regs || !s2_regs->regs || + memcmp(s1_regs->regs, s2_regs->regs, sz))) { pr_debug("Samples differ at 'user_regs'\n"); return false; } @@ -150,6 +152,12 @@ static bool samples_same(const struct perf_sample *s1, if (type & PERF_SAMPLE_WEIGHT) COMP(weight); + if (type & PERF_SAMPLE_WEIGHT_STRUCT) { + COMP(weight); + COMP(ins_lat); + COMP(weight3); + } + if (type & PERF_SAMPLE_DATA_SRC) COMP(data_src); @@ -157,13 +165,15 @@ static bool samples_same(const struct perf_sample *s1, COMP(transaction); if (type & PERF_SAMPLE_REGS_INTR) { - size_t sz = hweight_long(s1->intr_regs.mask) * sizeof(u64); - - COMP(intr_regs.mask); - COMP(intr_regs.abi); - if (s1->intr_regs.abi && - (!s1->intr_regs.regs || !s2->intr_regs.regs || - memcmp(s1->intr_regs.regs, s2->intr_regs.regs, sz))) { + struct regs_dump *s1_regs = perf_sample__intr_regs(s1); + struct regs_dump *s2_regs = perf_sample__intr_regs(s2); + size_t sz = hweight_long(s1_regs->mask) * sizeof(u64); + + COMP(intr_regs->mask); + COMP(intr_regs->abi); + if (s1_regs->abi && + (!s1_regs->regs || !s2_regs->regs || + memcmp(s1_regs->regs, s2_regs->regs, sz))) { pr_debug("Samples differ at 'intr_regs'\n"); return false; } @@ -223,6 +233,16 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format) const u32 raw_data[] = {0x12345678, 0x0a0b0c0d, 0x11020304, 0x05060708, 0 }; const u64 data[] = {0x2211443366558877ULL, 0, 0xaabbccddeeff4321ULL}; const u64 aux_data[] = {0xa55a, 0, 0xeeddee, 0x0282028202820282}; + struct regs_dump user_regs = { + .abi = PERF_SAMPLE_REGS_ABI_64, + .mask = sample_regs, + .regs = regs, + }; + struct regs_dump intr_regs = { + .abi = PERF_SAMPLE_REGS_ABI_64, + .mask = sample_regs, + .regs = regs, + }; struct perf_sample sample = { .ip = 101, .pid = 102, @@ -241,11 +261,7 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format) .callchain = &callchain.callchain, .no_hw_idx = false, .branch_stack = &branch_stack.branch_stack, - .user_regs = { - .abi = PERF_SAMPLE_REGS_ABI_64, - .mask = sample_regs, - .regs = regs, - }, + .user_regs = &user_regs, .user_stack = { .size = sizeof(data), .data = (void *)data, @@ -254,15 +270,13 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format) .time_enabled = 0x030a59d664fca7deULL, .time_running = 0x011b6ae553eb98edULL, }, - .intr_regs = { - .abi = PERF_SAMPLE_REGS_ABI_64, - .mask = sample_regs, - .regs = regs, - }, + .intr_regs = &intr_regs, .phys_addr = 113, .cgroup = 114, .data_page_size = 115, .code_page_size = 116, + .ins_lat = 117, + .weight3 = 118, .aux_sample = { .size = sizeof(aux_data), .data = (void *)aux_data, @@ -273,6 +287,8 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format) size_t i, sz, bufsz; int err, ret = -1; + perf_sample__init(&sample_out, /*all=*/false); + perf_sample__init(&sample_out_endian, /*all=*/false); if (sample_type & PERF_SAMPLE_REGS_USER) evsel.core.attr.sample_regs_user = sample_regs; @@ -361,6 +377,8 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format) ret = 0; out_free: free(event); + perf_sample__exit(&sample_out_endian); + perf_sample__exit(&sample_out); if (ret && read_format) pr_debug("read_format %#"PRIx64"\n", read_format); return ret; @@ -429,6 +447,12 @@ static int test__sample_parsing(struct test_suite *test __maybe_unused, int subt if (err) return err; } + sample_type = (PERF_SAMPLE_MAX - 1) & ~PERF_SAMPLE_WEIGHT_STRUCT; + for (i = 0; i < ARRAY_SIZE(rf); i++) { + err = do_test(sample_type, sample_regs, rf[i]); + if (err) + return err; + } return 0; } diff --git a/tools/perf/tests/sdt.c b/tools/perf/tests/sdt.c index 919712899251..93baee2eae42 100644 --- a/tools/perf/tests/sdt.c +++ b/tools/perf/tests/sdt.c @@ -28,7 +28,7 @@ static int target_function(void) static int build_id_cache__add_file(const char *filename) { char sbuild_id[SBUILD_ID_SIZE]; - struct build_id bid; + struct build_id bid = { .size = 0, }; int err; err = filename__read_build_id(filename, &bid); @@ -37,7 +37,7 @@ static int build_id_cache__add_file(const char *filename) return err; } - build_id__sprintf(&bid, sbuild_id); + build_id__snprintf(&bid, sbuild_id, sizeof(sbuild_id)); err = build_id_cache__add_s(sbuild_id, filename, NULL, false, false); if (err < 0) pr_debug("Failed to add build id cache of %s\n", filename); diff --git a/tools/perf/tests/shell/amd-ibs-swfilt.sh b/tools/perf/tests/shell/amd-ibs-swfilt.sh new file mode 100755 index 000000000000..e7f66df05c4b --- /dev/null +++ b/tools/perf/tests/shell/amd-ibs-swfilt.sh @@ -0,0 +1,92 @@ +#!/bin/bash +# AMD IBS software filtering + +ParanoidAndNotRoot() { + [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] +} + +echo "check availability of IBS swfilt" + +# check if IBS PMU is available +if [ ! -d /sys/bus/event_source/devices/ibs_op ]; then + echo "[SKIP] IBS PMU does not exist" + exit 2 +fi + +# check if IBS PMU has swfilt format +if [ ! -f /sys/bus/event_source/devices/ibs_op/format/swfilt ]; then + echo "[SKIP] IBS PMU does not have swfilt" + exit 2 +fi + +echo "run perf record with modifier and swfilt" +err=0 + +# setting any modifiers should fail +perf record -B -e ibs_op//u -o /dev/null true 2> /dev/null +if [ $? -eq 0 ]; then + echo "[FAIL] IBS PMU should not accept exclude_kernel" + exit 1 +fi + +# setting it with swfilt should be fine +perf record -B -e ibs_op/swfilt/u -o /dev/null true +if [ $? -ne 0 ]; then + echo "[FAIL] IBS op PMU cannot handle swfilt for exclude_kernel" + exit 1 +fi + +if ! ParanoidAndNotRoot 1 +then + # setting it with swfilt=1 should be fine + perf record -B -e ibs_op/swfilt=1/k -o /dev/null true + if [ $? -ne 0 ]; then + echo "[FAIL] IBS op PMU cannot handle swfilt for exclude_user" + exit 1 + fi +else + echo "[SKIP] not root and perf_event_paranoid too high for exclude_user" + err=2 +fi + +# check ibs_fetch PMU as well +perf record -B -e ibs_fetch/swfilt/u -o /dev/null true +if [ $? -ne 0 ]; then + echo "[FAIL] IBS fetch PMU cannot handle swfilt for exclude_kernel" + exit 1 +fi + +# check system wide recording +if ! ParanoidAndNotRoot 0 +then + perf record -aB --synth=no -e ibs_op/swfilt/k -o /dev/null true + if [ $? -ne 0 ]; then + echo "[FAIL] IBS op PMU cannot handle swfilt in system-wide mode" + exit 1 + fi +else + echo "[SKIP] not root and perf_event_paranoid too high for system-wide/exclude_user" + err=2 +fi + +echo "check number of samples with swfilt" + +kernel_sample=$(perf record -e ibs_op/swfilt/u -o- true | perf script -i- -F misc | grep -c ^K) +if [ ${kernel_sample} -ne 0 ]; then + echo "[FAIL] unexpected kernel samples: " ${kernel_sample} + exit 1 +fi + +if ! ParanoidAndNotRoot 1 +then + user_sample=$(perf record -e ibs_fetch/swfilt/k -o- true | perf script -i- -F misc | grep -c ^U) + if [ ${user_sample} -ne 0 ]; then + echo "[FAIL] unexpected user samples: " ${user_sample} + exit 1 + fi +else + echo "[SKIP] not root and perf_event_paranoid too high for exclude_user" + err=2 +fi + +exit $err diff --git a/tools/perf/tests/shell/annotate.sh b/tools/perf/tests/shell/annotate.sh new file mode 100755 index 000000000000..689de58e9238 --- /dev/null +++ b/tools/perf/tests/shell/annotate.sh @@ -0,0 +1,113 @@ +#!/bin/bash +# perf annotate basic tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +shelldir=$(dirname "$0") + +# shellcheck source=lib/perf_has_symbol.sh +. "${shelldir}"/lib/perf_has_symbol.sh + +testsym="noploop" + +skip_test_missing_symbol ${testsym} + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +perfout=$(mktemp /tmp/__perf_test.perf.out.XXXXX) +testprog="perf test -w noploop" +# disassembly format: "percent : offset: instruction (operands ...)" +disasm_regex="[0-9]*\.[0-9]* *: *\w*: *\w*" + +cleanup() { + rm -rf "${perfdata}" "${perfout}" + rm -rf "${perfdata}".old + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_basic() { + mode=$1 + echo "${mode} perf annotate test" + if [ "x${mode}" == "xBasic" ] + then + perf record -o "${perfdata}" ${testprog} 2> /dev/null + else + perf record -o - ${testprog} 2> /dev/null > "${perfdata}" + fi + if [ "x$?" != "x0" ] + then + echo "${mode} annotate [Failed: perf record]" + err=1 + return + fi + + # Generate the annotated output file + if [ "x${mode}" == "xBasic" ] + then + perf annotate --no-demangle -i "${perfdata}" --stdio --percent-limit 10 2> /dev/null > "${perfout}" + else + perf annotate --no-demangle -i - --stdio 2> /dev/null --percent-limit 10 < "${perfdata}" > "${perfout}" + fi + + # check if it has the target symbol + if ! grep -q "${testsym}" "${perfout}" + then + echo "${mode} annotate [Failed: missing target symbol]" + cat "${perfout}" + err=1 + return + fi + + # check if it has the disassembly lines + if ! grep -q "${disasm_regex}" "${perfout}" + then + echo "${mode} annotate [Failed: missing disasm output from default disassembler]" + err=1 + return + fi + + # check again with a target symbol name + if [ "x${mode}" == "xBasic" ] + then + perf annotate --no-demangle -i "${perfdata}" "${testsym}" 2> /dev/null > "${perfout}" + else + perf annotate --no-demangle -i - "${testsym}" 2> /dev/null < "${perfdata}" > "${perfout}" + fi + + if ! head -250 "${perfout}"| grep -q -m 3 "${disasm_regex}" + then + echo "${mode} annotate [Failed: missing disasm output when specifying the target symbol]" + err=1 + return + fi + + # check one more with external objdump tool (forced by --objdump option) + if [ "x${mode}" == "xBasic" ] + then + perf annotate --no-demangle -i "${perfdata}" --percent-limit 10 --objdump=objdump 2> /dev/null > "${perfout}" + else + perf annotate --no-demangle -i - "${testsym}" --percent-limit 10 --objdump=objdump 2> /dev/null < "${perfdata}" > "${perfout}" + fi + if ! grep -q -m 3 "${disasm_regex}" "${perfout}" + then + echo "${mode} annotate [Failed: missing disasm output from non default disassembler (using --objdump)]" + err=1 + return + fi + echo "${mode} annotate test [Success]" +} + +test_basic Basic +test_basic Pipe + +cleanup +exit $err diff --git a/tools/perf/tests/shell/attr.sh b/tools/perf/tests/shell/attr.sh new file mode 100755 index 000000000000..5a4e43b2471d --- /dev/null +++ b/tools/perf/tests/shell/attr.sh @@ -0,0 +1,22 @@ +#!/bin/bash +# Perf attribute expectations test +# SPDX-License-Identifier: GPL-2.0 + +err=0 + +cleanup() { + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +shelldir=$(dirname "$0") +perf_path=$(which perf) +python "${shelldir}"/lib/attr.py -d "${shelldir}"/attr -v -p "$perf_path" +cleanup +exit $err diff --git a/tools/perf/tests/attr/README b/tools/perf/tests/shell/attr/README index 4066fec7180a..67c4ca76b85d 100644 --- a/tools/perf/tests/attr/README +++ b/tools/perf/tests/shell/attr/README @@ -51,6 +51,8 @@ Following tests are defined (with perf commands): perf record --call-graph fp kill (test-record-graph-fp-aarch64) perf record -e '{cycles,instructions}' kill (test-record-group1) perf record -e '{cycles/period=1/,instructions/period=2/}:S' kill (test-record-group2) + perf record -e '{cycles,cache-misses}:S' kill (test-record-group-sampling1) + perf record -c 10000 -e '{cycles,cache-misses}:S' kill (test-record-group-sampling2) perf record -D kill (test-record-no-delay) perf record -i kill (test-record-no-inherit) perf record -n kill (test-record-no-samples) diff --git a/tools/perf/tests/attr/base-record b/tools/perf/tests/shell/attr/base-record index 3ef07a12aa14..b44e4e6e4443 100644 --- a/tools/perf/tests/attr/base-record +++ b/tools/perf/tests/shell/attr/base-record @@ -5,8 +5,8 @@ group_fd=-1 flags=0|8 cpu=* type=0|1 -size=128 -config=0 +size=136 +config=0|1 sample_period=* sample_type=263 read_format=0|4|20 diff --git a/tools/perf/tests/attr/base-record-spe b/tools/perf/tests/shell/attr/base-record-spe index 08fa96b59240..08fa96b59240 100644 --- a/tools/perf/tests/attr/base-record-spe +++ b/tools/perf/tests/shell/attr/base-record-spe diff --git a/tools/perf/tests/attr/base-stat b/tools/perf/tests/shell/attr/base-stat index 408164456530..fccd8ec4d1b0 100644 --- a/tools/perf/tests/attr/base-stat +++ b/tools/perf/tests/shell/attr/base-stat @@ -5,7 +5,7 @@ group_fd=-1 flags=0|8 cpu=* type=0 -size=128 +size=136 config=0 sample_period=0 sample_type=65536 @@ -16,7 +16,7 @@ pinned=0 exclusive=0 exclude_user=0 exclude_kernel=0|1 -exclude_hv=0 +exclude_hv=0|1 exclude_idle=0 mmap=0 comm=0 diff --git a/tools/perf/tests/attr/system-wide-dummy b/tools/perf/tests/shell/attr/system-wide-dummy index 8fec06eda5f9..a1e1d6a263bf 100644 --- a/tools/perf/tests/attr/system-wide-dummy +++ b/tools/perf/tests/shell/attr/system-wide-dummy @@ -7,10 +7,12 @@ cpu=* pid=-1 flags=8 type=1 -size=128 +size=136 config=9 -sample_period=4000 -sample_type=455 +sample_period=1 +# PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_TIME | +# PERF_SAMPLE_CPU | PERF_SAMPLE_IDENTIFIER +sample_type=65671 read_format=4|20 # Event will be enabled right away. disabled=0 @@ -18,12 +20,12 @@ inherit=1 pinned=0 exclusive=0 exclude_user=0 -exclude_kernel=0 -exclude_hv=0 +exclude_kernel=1 +exclude_hv=1 exclude_idle=0 mmap=1 comm=1 -freq=1 +freq=0 inherit_stat=0 enable_on_exec=0 task=1 @@ -32,7 +34,7 @@ precise_ip=0 mmap_data=0 sample_id_all=1 exclude_host=0 -exclude_guest=0 +exclude_guest=1 exclude_callchain_kernel=0 exclude_callchain_user=0 mmap2=1 diff --git a/tools/perf/tests/attr/test-record-C0 b/tools/perf/tests/shell/attr/test-record-C0 index 317730b906dd..1049ac8b52f2 100644 --- a/tools/perf/tests/attr/test-record-C0 +++ b/tools/perf/tests/shell/attr/test-record-C0 @@ -10,13 +10,15 @@ cpu=0 enable_on_exec=0 # PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_TIME | -# PERF_SAMPLE_ID | PERF_SAMPLE_PERIOD +# PERF_SAMPLE_PERIOD | PERF_SAMPLE_IDENTIFIER # + PERF_SAMPLE_CPU added by -C 0 -sample_type=455 +sample_type=65927 # Dummy event handles mmaps, comm and task. mmap=0 comm=0 task=0 +inherit=0 [event:system-wide-dummy] +inherit=0 diff --git a/tools/perf/tests/attr/test-record-basic b/tools/perf/tests/shell/attr/test-record-basic index b0ca42a5ecc9..b0ca42a5ecc9 100644 --- a/tools/perf/tests/attr/test-record-basic +++ b/tools/perf/tests/shell/attr/test-record-basic diff --git a/tools/perf/tests/attr/test-record-branch-any b/tools/perf/tests/shell/attr/test-record-branch-any index 1a99b3ce6b89..1a99b3ce6b89 100644 --- a/tools/perf/tests/attr/test-record-branch-any +++ b/tools/perf/tests/shell/attr/test-record-branch-any diff --git a/tools/perf/tests/attr/test-record-branch-filter-any b/tools/perf/tests/shell/attr/test-record-branch-filter-any index 709768b508c6..709768b508c6 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-any +++ b/tools/perf/tests/shell/attr/test-record-branch-filter-any diff --git a/tools/perf/tests/attr/test-record-branch-filter-any_call b/tools/perf/tests/shell/attr/test-record-branch-filter-any_call index f943221f7825..f943221f7825 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-any_call +++ b/tools/perf/tests/shell/attr/test-record-branch-filter-any_call diff --git a/tools/perf/tests/attr/test-record-branch-filter-any_ret b/tools/perf/tests/shell/attr/test-record-branch-filter-any_ret index fd4f5b4154a9..fd4f5b4154a9 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-any_ret +++ b/tools/perf/tests/shell/attr/test-record-branch-filter-any_ret diff --git a/tools/perf/tests/attr/test-record-branch-filter-hv b/tools/perf/tests/shell/attr/test-record-branch-filter-hv index 4e52d685ebe1..4e52d685ebe1 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-hv +++ b/tools/perf/tests/shell/attr/test-record-branch-filter-hv diff --git a/tools/perf/tests/attr/test-record-branch-filter-ind_call b/tools/perf/tests/shell/attr/test-record-branch-filter-ind_call index e08c6ab3796e..e08c6ab3796e 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-ind_call +++ b/tools/perf/tests/shell/attr/test-record-branch-filter-ind_call diff --git a/tools/perf/tests/attr/test-record-branch-filter-k b/tools/perf/tests/shell/attr/test-record-branch-filter-k index b4b98f84fc2f..b4b98f84fc2f 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-k +++ b/tools/perf/tests/shell/attr/test-record-branch-filter-k diff --git a/tools/perf/tests/attr/test-record-branch-filter-u b/tools/perf/tests/shell/attr/test-record-branch-filter-u index fb9610edbb0d..fb9610edbb0d 100644 --- a/tools/perf/tests/attr/test-record-branch-filter-u +++ b/tools/perf/tests/shell/attr/test-record-branch-filter-u diff --git a/tools/perf/tests/attr/test-record-count b/tools/perf/tests/shell/attr/test-record-count index 5e9b9019d786..5e9b9019d786 100644 --- a/tools/perf/tests/attr/test-record-count +++ b/tools/perf/tests/shell/attr/test-record-count diff --git a/tools/perf/tests/attr/test-record-data b/tools/perf/tests/shell/attr/test-record-data index a99bb13149c2..a99bb13149c2 100644 --- a/tools/perf/tests/attr/test-record-data +++ b/tools/perf/tests/shell/attr/test-record-data diff --git a/tools/perf/tests/shell/attr/test-record-dummy-C0 b/tools/perf/tests/shell/attr/test-record-dummy-C0 new file mode 100644 index 000000000000..91499405fff4 --- /dev/null +++ b/tools/perf/tests/shell/attr/test-record-dummy-C0 @@ -0,0 +1,55 @@ +[config] +command = record +args = --no-bpf-event -e dummy -C 0 kill >/dev/null 2>&1 +ret = 1 + +[event] +fd=1 +group_fd=-1 +cpu=0 +pid=-1 +flags=8 +type=1 +size=136 +config=9 +sample_period=4000 +# PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_TIME | +# PERF_SAMPLE_PERIOD +# + PERF_SAMPLE_CPU added by -C 0 +sample_type=391 +read_format=4|20 +disabled=0 +inherit=0 +pinned=0 +exclusive=0 +exclude_user=0 +exclude_kernel=0 +exclude_hv=0 +exclude_idle=0 +mmap=1 +comm=1 +freq=1 +inherit_stat=0 +enable_on_exec=0 +task=1 +watermark=0 +precise_ip=0 +mmap_data=0 +sample_id_all=1 +exclude_host=0 +exclude_guest=0 +exclude_callchain_kernel=0 +exclude_callchain_user=0 +mmap2=1 +comm_exec=1 +context_switch=0 +write_backward=0 +namespaces=0 +use_clockid=0 +wakeup_events=0 +bp_type=0 +config1=0 +config2=0 +branch_sample_type=0 +sample_regs_user=0 +sample_stack_user=0 diff --git a/tools/perf/tests/attr/test-record-freq b/tools/perf/tests/shell/attr/test-record-freq index 89e29f6b2ae0..89e29f6b2ae0 100644 --- a/tools/perf/tests/attr/test-record-freq +++ b/tools/perf/tests/shell/attr/test-record-freq diff --git a/tools/perf/tests/attr/test-record-graph-default b/tools/perf/tests/shell/attr/test-record-graph-default index f0a18b4ea4f5..f0a18b4ea4f5 100644 --- a/tools/perf/tests/attr/test-record-graph-default +++ b/tools/perf/tests/shell/attr/test-record-graph-default diff --git a/tools/perf/tests/attr/test-record-graph-default-aarch64 b/tools/perf/tests/shell/attr/test-record-graph-default-aarch64 index e98d62efb6f7..e98d62efb6f7 100644 --- a/tools/perf/tests/attr/test-record-graph-default-aarch64 +++ b/tools/perf/tests/shell/attr/test-record-graph-default-aarch64 diff --git a/tools/perf/tests/attr/test-record-graph-dwarf b/tools/perf/tests/shell/attr/test-record-graph-dwarf index ae92061d611d..ae92061d611d 100644 --- a/tools/perf/tests/attr/test-record-graph-dwarf +++ b/tools/perf/tests/shell/attr/test-record-graph-dwarf diff --git a/tools/perf/tests/attr/test-record-graph-fp b/tools/perf/tests/shell/attr/test-record-graph-fp index a6e60e839205..a6e60e839205 100644 --- a/tools/perf/tests/attr/test-record-graph-fp +++ b/tools/perf/tests/shell/attr/test-record-graph-fp diff --git a/tools/perf/tests/attr/test-record-graph-fp-aarch64 b/tools/perf/tests/shell/attr/test-record-graph-fp-aarch64 index cbeea9971285..cbeea9971285 100644 --- a/tools/perf/tests/attr/test-record-graph-fp-aarch64 +++ b/tools/perf/tests/shell/attr/test-record-graph-fp-aarch64 diff --git a/tools/perf/tests/attr/test-record-group-sampling b/tools/perf/tests/shell/attr/test-record-group-sampling index 97e7e64a38f0..86a940d7895d 100644 --- a/tools/perf/tests/attr/test-record-group-sampling +++ b/tools/perf/tests/shell/attr/test-record-group-sampling @@ -2,6 +2,7 @@ command = record args = --no-bpf-event -e '{cycles,cache-misses}:S' kill >/dev/null 2>&1 ret = 1 +kernel_until = 6.12 [event-1:base-record] fd=1 @@ -18,7 +19,7 @@ group_fd=1 type=0 config=3 -# default | PERF_SAMPLE_READ +# default | PERF_SAMPLE_READ | PERF_SAMPLE_PERIOD sample_type=343 # PERF_FORMAT_ID | PERF_FORMAT_GROUP | PERF_FORMAT_LOST diff --git a/tools/perf/tests/shell/attr/test-record-group-sampling1 b/tools/perf/tests/shell/attr/test-record-group-sampling1 new file mode 100644 index 000000000000..4748ab7bf684 --- /dev/null +++ b/tools/perf/tests/shell/attr/test-record-group-sampling1 @@ -0,0 +1,50 @@ +[config] +command = record +args = --no-bpf-event -e '{cycles,cache-misses}:S' kill >/dev/null 2>&1 +ret = 1 +kernel_since = 6.12 + +[event-1:base-record] +fd=1 +group_fd=-1 + +# cycles +type=0 +config=0 + +# default | PERF_SAMPLE_READ | PERF_SAMPLE_PERIOD +sample_type=343 + +# PERF_FORMAT_ID | PERF_FORMAT_GROUP | PERF_FORMAT_LOST | PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_TOTAL_TIME_RUNNING +read_format=28|31 +task=1 +mmap=1 +comm=1 +enable_on_exec=1 +disabled=1 + +# inherit is enabled for group sampling +inherit=1 + +[event-2:base-record] +fd=2 +group_fd=1 + +# cache-misses +type=0 +config=3 + +# default | PERF_SAMPLE_READ | PERF_SAMPLE_PERIOD +sample_type=343 + +# PERF_FORMAT_ID | PERF_FORMAT_GROUP | PERF_FORMAT_LOST | PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_TOTAL_TIME_RUNNING +read_format=28|31 +task=0 +mmap=0 +comm=0 +enable_on_exec=0 +disabled=0 +freq=0 + +# inherit is enabled for group sampling +inherit=1 diff --git a/tools/perf/tests/shell/attr/test-record-group-sampling2 b/tools/perf/tests/shell/attr/test-record-group-sampling2 new file mode 100644 index 000000000000..e0432244a0eb --- /dev/null +++ b/tools/perf/tests/shell/attr/test-record-group-sampling2 @@ -0,0 +1,61 @@ +[config] +command = record +args = --no-bpf-event -c 10000 -e '{cycles,cache-misses}:S' kill >/dev/null 2>&1 +ret = 1 +kernel_since = 6.12 + +[event-1:base-record] +fd=1 +group_fd=-1 + +# cycles +type=0 +config=0 + +# default | PERF_SAMPLE_READ +sample_type=87 + +# PERF_FORMAT_ID | PERF_FORMAT_GROUP | PERF_FORMAT_LOST | PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_TOTAL_TIME_RUNNING +read_format=28|31 +task=1 +mmap=1 +comm=1 +enable_on_exec=1 +disabled=1 + +# inherit is enabled for group sampling +inherit=1 + +# sampling disabled +sample_freq=0 +sample_period=10000 +freq=0 +write_backward=0 + +[event-2:base-record] +fd=2 +group_fd=1 + +# cache-misses +type=0 +config=3 + +# default | PERF_SAMPLE_READ +sample_type=87 + +# PERF_FORMAT_ID | PERF_FORMAT_GROUP | PERF_FORMAT_LOST | PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_TOTAL_TIME_RUNNING +read_format=28|31 +task=0 +mmap=0 +comm=0 +enable_on_exec=0 +disabled=0 + +# inherit is enabled for group sampling +inherit=1 + +# sampling disabled +sample_freq=0 +sample_period=0 +freq=0 +write_backward=0 diff --git a/tools/perf/tests/attr/test-record-group1 b/tools/perf/tests/shell/attr/test-record-group1 index eeb1db392bc9..eeb1db392bc9 100644 --- a/tools/perf/tests/attr/test-record-group1 +++ b/tools/perf/tests/shell/attr/test-record-group1 diff --git a/tools/perf/tests/attr/test-record-group2 b/tools/perf/tests/shell/attr/test-record-group2 index cebdaa8e64e4..891d41a7bddf 100644 --- a/tools/perf/tests/attr/test-record-group2 +++ b/tools/perf/tests/shell/attr/test-record-group2 @@ -2,6 +2,7 @@ command = record args = --no-bpf-event -e '{cycles/period=1234000/,instructions/period=6789000/}:S' kill >/dev/null 2>&1 ret = 1 +kernel_until = 6.12 [event-1:base-record] fd=1 diff --git a/tools/perf/tests/shell/attr/test-record-group3 b/tools/perf/tests/shell/attr/test-record-group3 new file mode 100644 index 000000000000..249be884959e --- /dev/null +++ b/tools/perf/tests/shell/attr/test-record-group3 @@ -0,0 +1,31 @@ +[config] +command = record +args = --no-bpf-event -e '{cycles/period=1234000/,instructions/period=6789000/}:S' kill >/dev/null 2>&1 +ret = 1 +kernel_since = 6.12 + +[event-1:base-record] +fd=1 +group_fd=-1 +config=0|1 +sample_period=1234000 +sample_type=87 +read_format=28|31 +disabled=1 +inherit=1 +freq=0 + +[event-2:base-record] +fd=2 +group_fd=1 +config=0|1 +sample_period=6789000 +sample_type=87 +read_format=28|31 +disabled=0 +inherit=1 +mmap=0 +comm=0 +freq=0 +enable_on_exec=0 +task=0 diff --git a/tools/perf/tests/attr/test-record-no-buffering b/tools/perf/tests/shell/attr/test-record-no-buffering index 583dcbb078ba..583dcbb078ba 100644 --- a/tools/perf/tests/attr/test-record-no-buffering +++ b/tools/perf/tests/shell/attr/test-record-no-buffering diff --git a/tools/perf/tests/attr/test-record-no-inherit b/tools/perf/tests/shell/attr/test-record-no-inherit index 15d1dc162e1c..15d1dc162e1c 100644 --- a/tools/perf/tests/attr/test-record-no-inherit +++ b/tools/perf/tests/shell/attr/test-record-no-inherit diff --git a/tools/perf/tests/attr/test-record-no-samples b/tools/perf/tests/shell/attr/test-record-no-samples index 596fbd6d5a2c..596fbd6d5a2c 100644 --- a/tools/perf/tests/attr/test-record-no-samples +++ b/tools/perf/tests/shell/attr/test-record-no-samples diff --git a/tools/perf/tests/attr/test-record-period b/tools/perf/tests/shell/attr/test-record-period index 119101154c5e..119101154c5e 100644 --- a/tools/perf/tests/attr/test-record-period +++ b/tools/perf/tests/shell/attr/test-record-period diff --git a/tools/perf/tests/attr/test-record-pfm-period b/tools/perf/tests/shell/attr/test-record-pfm-period index 368f5b814094..368f5b814094 100644 --- a/tools/perf/tests/attr/test-record-pfm-period +++ b/tools/perf/tests/shell/attr/test-record-pfm-period diff --git a/tools/perf/tests/attr/test-record-raw b/tools/perf/tests/shell/attr/test-record-raw index 13a5f7860c78..13a5f7860c78 100644 --- a/tools/perf/tests/attr/test-record-raw +++ b/tools/perf/tests/shell/attr/test-record-raw diff --git a/tools/perf/tests/attr/test-record-spe-period b/tools/perf/tests/shell/attr/test-record-spe-period index 75f8c9cd8e3f..75f8c9cd8e3f 100644 --- a/tools/perf/tests/attr/test-record-spe-period +++ b/tools/perf/tests/shell/attr/test-record-spe-period diff --git a/tools/perf/tests/attr/test-record-spe-period-term b/tools/perf/tests/shell/attr/test-record-spe-period-term index 8f60a4fec657..8f60a4fec657 100644 --- a/tools/perf/tests/attr/test-record-spe-period-term +++ b/tools/perf/tests/shell/attr/test-record-spe-period-term diff --git a/tools/perf/tests/attr/test-record-spe-physical-address b/tools/perf/tests/shell/attr/test-record-spe-physical-address index 7ebcf5012ce3..7ebcf5012ce3 100644 --- a/tools/perf/tests/attr/test-record-spe-physical-address +++ b/tools/perf/tests/shell/attr/test-record-spe-physical-address diff --git a/tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64 b/tools/perf/tests/shell/attr/test-record-user-regs-no-sve-aarch64 index fbb065842880..bed765450ca9 100644 --- a/tools/perf/tests/attr/test-record-user-regs-no-sve-aarch64 +++ b/tools/perf/tests/shell/attr/test-record-user-regs-no-sve-aarch64 @@ -6,4 +6,4 @@ args = --no-bpf-event --user-regs=vg kill >/dev/null 2>&1 ret = 129 test_ret = true arch = aarch64 -auxv = auxv["AT_HWCAP"] & 0x200000 == 0 +auxv = auxv["AT_HWCAP"] & 0x400000 == 0 diff --git a/tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64 b/tools/perf/tests/shell/attr/test-record-user-regs-old-sve-aarch64 index 15ebfc3418e3..15ebfc3418e3 100644 --- a/tools/perf/tests/attr/test-record-user-regs-old-sve-aarch64 +++ b/tools/perf/tests/shell/attr/test-record-user-regs-old-sve-aarch64 diff --git a/tools/perf/tests/attr/test-record-user-regs-sve-aarch64 b/tools/perf/tests/shell/attr/test-record-user-regs-sve-aarch64 index c598c803221d..a65113cd7311 100644 --- a/tools/perf/tests/attr/test-record-user-regs-sve-aarch64 +++ b/tools/perf/tests/shell/attr/test-record-user-regs-sve-aarch64 @@ -6,7 +6,7 @@ args = --no-bpf-event --user-regs=vg kill >/dev/null 2>&1 ret = 1 test_ret = true arch = aarch64 -auxv = auxv["AT_HWCAP"] & 0x200000 == 0x200000 +auxv = auxv["AT_HWCAP"] & 0x400000 == 0x400000 kernel_since = 6.1 [event:base-record] diff --git a/tools/perf/tests/attr/test-stat-C0 b/tools/perf/tests/shell/attr/test-stat-C0 index a2c76d10b2bb..a2c76d10b2bb 100644 --- a/tools/perf/tests/attr/test-stat-C0 +++ b/tools/perf/tests/shell/attr/test-stat-C0 diff --git a/tools/perf/tests/attr/test-stat-basic b/tools/perf/tests/shell/attr/test-stat-basic index 69867d049fda..69867d049fda 100644 --- a/tools/perf/tests/attr/test-stat-basic +++ b/tools/perf/tests/shell/attr/test-stat-basic diff --git a/tools/perf/tests/attr/test-stat-default b/tools/perf/tests/shell/attr/test-stat-default index d8ea6a88163f..8dd27c1fb661 100644 --- a/tools/perf/tests/attr/test-stat-default +++ b/tools/perf/tests/shell/attr/test-stat-default @@ -40,7 +40,6 @@ fd=6 type=0 config=7 optional=1 - # PERF_TYPE_HARDWARE / PERF_COUNT_HW_STALLED_CYCLES_BACKEND [event7:base-stat] fd=7 @@ -165,3 +164,73 @@ disabled=0 enable_on_exec=0 read_format=15 optional=1 + +# PERF_TYPE_RAW / INT_MISC.UOP_DROPPING +[event20:base-stat] +fd=20 +type=4 +config=4109 +optional=1 + +# PERF_TYPE_RAW / cpu/INT_MISC.RECOVERY_CYCLES,cmask=1,edge/ +[event21:base-stat] +fd=21 +type=4 +config=17039629 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.THREAD +[event22:base-stat] +fd=22 +type=4 +config=60 +optional=1 + +# PERF_TYPE_RAW / INT_MISC.RECOVERY_CYCLES_ANY +[event23:base-stat] +fd=23 +type=4 +config=2097421 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.REF_XCLK +[event24:base-stat] +fd=24 +type=4 +config=316 +optional=1 + +# PERF_TYPE_RAW / IDQ_UOPS_NOT_DELIVERED.CORE +[event25:base-stat] +fd=25 +type=4 +config=412 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE +[event26:base-stat] +fd=26 +type=4 +config=572 +optional=1 + +# PERF_TYPE_RAW / UOPS_RETIRED.RETIRE_SLOTS +[event27:base-stat] +fd=27 +type=4 +config=706 +optional=1 + +# PERF_TYPE_RAW / UOPS_ISSUED.ANY +[event28:base-stat] +fd=28 +type=4 +config=270 +optional=1 + +# PERF_TYPE_RAW / INT_MISC.UOP_DROPPING +[event29:base-stat] +fd=29 +type=4 +config=4269 +optional=1
\ No newline at end of file diff --git a/tools/perf/tests/attr/test-stat-detailed-1 b/tools/perf/tests/shell/attr/test-stat-detailed-1 index b656ab93c5bf..12a2ebf4e64a 100644 --- a/tools/perf/tests/attr/test-stat-detailed-1 +++ b/tools/perf/tests/shell/attr/test-stat-detailed-1 @@ -167,12 +167,75 @@ enable_on_exec=0 read_format=15 optional=1 +# PERF_TYPE_RAW / INT_MISC.UOP_DROPPING +[event20:base-stat] +fd=20 +type=4 +config=4109 +optional=1 + +# PERF_TYPE_RAW / cpu/INT_MISC.RECOVERY_CYCLES,cmask=1,edge/ +[event21:base-stat] +fd=21 +type=4 +config=17039629 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.THREAD +[event22:base-stat] +fd=22 +type=4 +config=60 +optional=1 + +# PERF_TYPE_RAW / INT_MISC.RECOVERY_CYCLES_ANY +[event23:base-stat] +fd=23 +type=4 +config=2097421 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.REF_XCLK +[event24:base-stat] +fd=24 +type=4 +config=316 +optional=1 + +# PERF_TYPE_RAW / IDQ_UOPS_NOT_DELIVERED.CORE +[event25:base-stat] +fd=25 +type=4 +config=412 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE +[event26:base-stat] +fd=26 +type=4 +config=572 +optional=1 + +# PERF_TYPE_RAW / UOPS_RETIRED.RETIRE_SLOTS +[event27:base-stat] +fd=27 +type=4 +config=706 +optional=1 + +# PERF_TYPE_RAW / UOPS_ISSUED.ANY +[event28:base-stat] +fd=28 +type=4 +config=270 +optional=1 + # PERF_TYPE_HW_CACHE / # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event20:base-stat] -fd=20 +[event29:base-stat] +fd=29 type=3 config=0 optional=1 @@ -181,8 +244,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event21:base-stat] -fd=21 +[event30:base-stat] +fd=30 type=3 config=65536 optional=1 @@ -191,8 +254,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event22:base-stat] -fd=22 +[event31:base-stat] +fd=31 type=3 config=2 optional=1 @@ -201,8 +264,15 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event23:base-stat] -fd=23 +[event32:base-stat] +fd=32 type=3 config=65538 optional=1 + +# PERF_TYPE_RAW / INT_MISC.UOP_DROPPING +[event33:base-stat] +fd=33 +type=4 +config=4269 +optional=1
\ No newline at end of file diff --git a/tools/perf/tests/attr/test-stat-detailed-2 b/tools/perf/tests/shell/attr/test-stat-detailed-2 index 97625090a1c4..66ea25b7d38f 100644 --- a/tools/perf/tests/attr/test-stat-detailed-2 +++ b/tools/perf/tests/shell/attr/test-stat-detailed-2 @@ -167,12 +167,75 @@ enable_on_exec=0 read_format=15 optional=1 +# PERF_TYPE_RAW / INT_MISC.UOP_DROPPING +[event20:base-stat] +fd=20 +type=4 +config=4109 +optional=1 + +# PERF_TYPE_RAW / cpu/INT_MISC.RECOVERY_CYCLES,cmask=1,edge/ +[event21:base-stat] +fd=21 +type=4 +config=17039629 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.THREAD +[event22:base-stat] +fd=22 +type=4 +config=60 +optional=1 + +# PERF_TYPE_RAW / INT_MISC.RECOVERY_CYCLES_ANY +[event23:base-stat] +fd=23 +type=4 +config=2097421 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.REF_XCLK +[event24:base-stat] +fd=24 +type=4 +config=316 +optional=1 + +# PERF_TYPE_RAW / IDQ_UOPS_NOT_DELIVERED.CORE +[event25:base-stat] +fd=25 +type=4 +config=412 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE +[event26:base-stat] +fd=26 +type=4 +config=572 +optional=1 + +# PERF_TYPE_RAW / UOPS_RETIRED.RETIRE_SLOTS +[event27:base-stat] +fd=27 +type=4 +config=706 +optional=1 + +# PERF_TYPE_RAW / UOPS_ISSUED.ANY +[event28:base-stat] +fd=28 +type=4 +config=270 +optional=1 + # PERF_TYPE_HW_CACHE / # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event20:base-stat] -fd=20 +[event29:base-stat] +fd=29 type=3 config=0 optional=1 @@ -181,8 +244,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event21:base-stat] -fd=21 +[event30:base-stat] +fd=30 type=3 config=65536 optional=1 @@ -191,8 +254,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event22:base-stat] -fd=22 +[event31:base-stat] +fd=31 type=3 config=2 optional=1 @@ -201,8 +264,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event23:base-stat] -fd=23 +[event32:base-stat] +fd=32 type=3 config=65538 optional=1 @@ -211,8 +274,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1I << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event24:base-stat] -fd=24 +[event33:base-stat] +fd=33 type=3 config=1 optional=1 @@ -221,8 +284,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1I << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event25:base-stat] -fd=25 +[event34:base-stat] +fd=34 type=3 config=65537 optional=1 @@ -231,8 +294,8 @@ optional=1 # PERF_COUNT_HW_CACHE_DTLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event26:base-stat] -fd=26 +[event35:base-stat] +fd=35 type=3 config=3 optional=1 @@ -241,8 +304,8 @@ optional=1 # PERF_COUNT_HW_CACHE_DTLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event27:base-stat] -fd=27 +[event36:base-stat] +fd=36 type=3 config=65539 optional=1 @@ -251,8 +314,8 @@ optional=1 # PERF_COUNT_HW_CACHE_ITLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event28:base-stat] -fd=28 +[event37:base-stat] +fd=37 type=3 config=4 optional=1 @@ -261,8 +324,15 @@ optional=1 # PERF_COUNT_HW_CACHE_ITLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event29:base-stat] -fd=29 +[event38:base-stat] +fd=38 type=3 config=65540 optional=1 + +# PERF_TYPE_RAW / INT_MISC.UOP_DROPPING +[event39:base-stat] +fd=39 +type=4 +config=4269 +optional=1
\ No newline at end of file diff --git a/tools/perf/tests/attr/test-stat-detailed-3 b/tools/perf/tests/shell/attr/test-stat-detailed-3 index d555042e3fbf..4a27bbfb9f87 100644 --- a/tools/perf/tests/attr/test-stat-detailed-3 +++ b/tools/perf/tests/shell/attr/test-stat-detailed-3 @@ -167,12 +167,75 @@ enable_on_exec=0 read_format=15 optional=1 +# PERF_TYPE_RAW / INT_MISC.UOP_DROPPING +[event20:base-stat] +fd=20 +type=4 +config=4109 +optional=1 + +# PERF_TYPE_RAW / cpu/INT_MISC.RECOVERY_CYCLES,cmask=1,edge/ +[event21:base-stat] +fd=21 +type=4 +config=17039629 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.THREAD +[event22:base-stat] +fd=22 +type=4 +config=60 +optional=1 + +# PERF_TYPE_RAW / INT_MISC.RECOVERY_CYCLES_ANY +[event23:base-stat] +fd=23 +type=4 +config=2097421 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.REF_XCLK +[event24:base-stat] +fd=24 +type=4 +config=316 +optional=1 + +# PERF_TYPE_RAW / IDQ_UOPS_NOT_DELIVERED.CORE +[event25:base-stat] +fd=25 +type=4 +config=412 +optional=1 + +# PERF_TYPE_RAW / CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE +[event26:base-stat] +fd=26 +type=4 +config=572 +optional=1 + +# PERF_TYPE_RAW / UOPS_RETIRED.RETIRE_SLOTS +[event27:base-stat] +fd=27 +type=4 +config=706 +optional=1 + +# PERF_TYPE_RAW / UOPS_ISSUED.ANY +[event28:base-stat] +fd=28 +type=4 +config=270 +optional=1 + # PERF_TYPE_HW_CACHE / # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event20:base-stat] -fd=20 +[event29:base-stat] +fd=29 type=3 config=0 optional=1 @@ -181,8 +244,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event21:base-stat] -fd=21 +[event30:base-stat] +fd=30 type=3 config=65536 optional=1 @@ -191,8 +254,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event22:base-stat] -fd=22 +[event31:base-stat] +fd=31 type=3 config=2 optional=1 @@ -201,8 +264,8 @@ optional=1 # PERF_COUNT_HW_CACHE_LL << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event23:base-stat] -fd=23 +[event32:base-stat] +fd=32 type=3 config=65538 optional=1 @@ -211,8 +274,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1I << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event24:base-stat] -fd=24 +[event33:base-stat] +fd=33 type=3 config=1 optional=1 @@ -221,8 +284,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1I << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event25:base-stat] -fd=25 +[event34:base-stat] +fd=34 type=3 config=65537 optional=1 @@ -231,8 +294,8 @@ optional=1 # PERF_COUNT_HW_CACHE_DTLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event26:base-stat] -fd=26 +[event35:base-stat] +fd=35 type=3 config=3 optional=1 @@ -241,8 +304,8 @@ optional=1 # PERF_COUNT_HW_CACHE_DTLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event27:base-stat] -fd=27 +[event36:base-stat] +fd=36 type=3 config=65539 optional=1 @@ -251,8 +314,8 @@ optional=1 # PERF_COUNT_HW_CACHE_ITLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event28:base-stat] -fd=28 +[event37:base-stat] +fd=37 type=3 config=4 optional=1 @@ -261,8 +324,8 @@ optional=1 # PERF_COUNT_HW_CACHE_ITLB << 0 | # (PERF_COUNT_HW_CACHE_OP_READ << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event29:base-stat] -fd=29 +[event38:base-stat] +fd=38 type=3 config=65540 optional=1 @@ -271,8 +334,8 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | # (PERF_COUNT_HW_CACHE_RESULT_ACCESS << 16) -[event30:base-stat] -fd=30 +[event39:base-stat] +fd=39 type=3 config=512 optional=1 @@ -281,8 +344,15 @@ optional=1 # PERF_COUNT_HW_CACHE_L1D << 0 | # (PERF_COUNT_HW_CACHE_OP_PREFETCH << 8) | # (PERF_COUNT_HW_CACHE_RESULT_MISS << 16) -[event31:base-stat] -fd=31 +[event40:base-stat] +fd=40 type=3 config=66048 optional=1 + +# PERF_TYPE_RAW / INT_MISC.UOP_DROPPING +[event41:base-stat] +fd=41 +type=4 +config=4269 +optional=1
\ No newline at end of file diff --git a/tools/perf/tests/attr/test-stat-group1 b/tools/perf/tests/shell/attr/test-stat-group1 index 1746751123dc..1746751123dc 100644 --- a/tools/perf/tests/attr/test-stat-group1 +++ b/tools/perf/tests/shell/attr/test-stat-group1 diff --git a/tools/perf/tests/attr/test-stat-no-inherit b/tools/perf/tests/shell/attr/test-stat-no-inherit index 924fbb9300d1..924fbb9300d1 100644 --- a/tools/perf/tests/attr/test-stat-no-inherit +++ b/tools/perf/tests/shell/attr/test-stat-no-inherit diff --git a/tools/perf/tests/shell/base_probe/test_adding_blacklisted.sh b/tools/perf/tests/shell/base_probe/test_adding_blacklisted.sh new file mode 100755 index 000000000000..f74aab5c5d7f --- /dev/null +++ b/tools/perf/tests/shell/base_probe/test_adding_blacklisted.sh @@ -0,0 +1,114 @@ +#!/bin/bash +# perf_probe :: Reject blacklisted probes (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +# +# test_adding_blacklisted of perf_probe test +# Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> +# Author: Michael Petlan <mpetlan@redhat.com> +# +# Description: +# +# Blacklisted functions should not be added successfully as probes, +# they must be skipped. +# + +DIR_PATH="$(dirname $0)" +TEST_RESULT=0 + +# include working environment +. "$DIR_PATH/../common/init.sh" + +# skip if not supported +BLACKFUNC_LIST=`head -n 5 /sys/kernel/debug/kprobes/blacklist 2> /dev/null | cut -f2` +if [ -z "$BLACKFUNC_LIST" ]; then + print_overall_skipped + exit 2 +fi + +# try to find vmlinux with DWARF debug info +VMLINUX_FILE=$(perf probe -v random_probe |& grep "Using.*for symbols" | sed -r 's/^Using (.*) for symbols$/\1/') + +# remove all previously added probes +clear_all_probes + + +### adding blacklisted function +REGEX_SCOPE_FAIL="Failed to find scope of probe point" +REGEX_SKIP_MESSAGE=" is blacklisted function, skip it\." +REGEX_NOT_FOUND_MESSAGE="Probe point \'$RE_EVENT\' not found." +REGEX_ERROR_MESSAGE="Error: Failed to add events." +REGEX_INVALID_ARGUMENT="Failed to write event: Invalid argument" +REGEX_SYMBOL_FAIL="Failed to find symbol at $RE_ADDRESS" +REGEX_OUT_SECTION="$RE_EVENT is out of \.\w+, skip it" +REGEX_MISSING_DECL_LINE="A function DIE doesn't have decl_line. Maybe broken DWARF?" + +BLACKFUNC="" +SKIP_DWARF=0 + +for BLACKFUNC in $BLACKFUNC_LIST; do + echo "Probing $BLACKFUNC" + + # functions from blacklist should be skipped by perf probe + ! $CMD_PERF probe $BLACKFUNC > $LOGS_DIR/adding_blacklisted.log 2> $LOGS_DIR/adding_blacklisted.err + PERF_EXIT_CODE=$? + + # check for bad DWARF polluting the result + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$REGEX_MISSING_DECL_LINE" >/dev/null < $LOGS_DIR/adding_blacklisted.err + + if [ $? -eq 0 ]; then + SKIP_DWARF=1 + echo "Result polluted by broken DWARF, trying another probe" + + # confirm that the broken DWARF comes from assembler + if [ -n "$VMLINUX_FILE" ]; then + readelf -wi "$VMLINUX_FILE" | + awk -v probe="$BLACKFUNC" '/DW_AT_language/ { comp_lang = $0 } + $0 ~ probe { if (comp_lang) { print comp_lang }; exit }' | + grep -q "MIPS assembler" + + CHECK_EXIT_CODE=$? + if [ $CHECK_EXIT_CODE -ne 0 ]; then + SKIP_DWARF=0 # broken DWARF while available + break + fi + fi + else + "$DIR_PATH/../common/check_all_lines_matched.pl" \ + "$REGEX_SKIP_MESSAGE" "$REGEX_NOT_FOUND_MESSAGE" \ + "$REGEX_ERROR_MESSAGE" "$REGEX_SCOPE_FAIL" \ + "$REGEX_INVALID_ARGUMENT" "$REGEX_SYMBOL_FAIL" \ + "$REGEX_OUT_SECTION" < $LOGS_DIR/adding_blacklisted.err + CHECK_EXIT_CODE=$? + + SKIP_DWARF=0 + break + fi +done + +if [ $SKIP_DWARF -eq 1 ]; then + print_testcase_skipped "adding blacklisted function $BLACKFUNC" +else + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "adding blacklisted function $BLACKFUNC" + (( TEST_RESULT += $? )) +fi + +### listing not-added probe + +# blacklisted probes should NOT appear in perf-list output +$CMD_PERF list probe:\* > $LOGS_DIR/adding_blacklisted_list.log +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "$RE_LINE_EMPTY" "List of pre-defined events" "Metric Groups:" \ + < $LOGS_DIR/adding_blacklisted_list.log +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing blacklisted probe (should NOT be listed)" +(( TEST_RESULT += $? )) + + +# print overall results +print_overall_results "$TEST_RESULT" +exit $? diff --git a/tools/perf/tests/shell/base_probe/test_adding_kernel.sh b/tools/perf/tests/shell/base_probe/test_adding_kernel.sh new file mode 100755 index 000000000000..555a825d55f2 --- /dev/null +++ b/tools/perf/tests/shell/base_probe/test_adding_kernel.sh @@ -0,0 +1,346 @@ +#!/bin/bash +# perf_probe :: Add probes, list and remove them (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +# +# test_adding_kernel of perf_probe test +# Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> +# Author: Michael Petlan <mpetlan@redhat.com> +# +# Description: +# +# This test tests adding of probes, their correct listing +# and removing. +# + +DIR_PATH="$(dirname $0)" +TEST_RESULT=0 + +# include working environment +. "$DIR_PATH/../common/init.sh" + +# shellcheck source=lib/probe_vfs_getname.sh +. "$DIR_PATH/../lib/probe_vfs_getname.sh" + +TEST_PROBE=${TEST_PROBE:-"inode_permission"} + +# set NO_DEBUGINFO to skip testcase if debuginfo is not present +# skip_if_no_debuginfo returns 2 if debuginfo is not present +skip_if_no_debuginfo +if [ $? -eq 2 ]; then + NO_DEBUGINFO=1 +fi + +check_kprobes_available +if [ $? -ne 0 ]; then + print_overall_skipped + exit 2 +fi + + +### basic probe adding + +for opt in "" "-a" "--add"; do + clear_all_probes + $CMD_PERF probe $opt $TEST_PROBE 2> $LOGS_DIR/adding_kernel_add$opt.err + PERF_EXIT_CODE=$? + + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "Added new events?:" "probe:$TEST_PROBE" "on $TEST_PROBE" \ + < $LOGS_DIR/adding_kernel_add$opt.err + CHECK_EXIT_CODE=$? + + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "adding probe $TEST_PROBE :: $opt" + (( TEST_RESULT += $? )) +done + + +### listing added probe :: perf list + +# any added probes should appear in perf-list output +$CMD_PERF list probe:\* > $LOGS_DIR/adding_kernel_list.log +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "$RE_LINE_EMPTY" "List of pre-defined events" \ + "probe:${TEST_PROBE}(?:_\d+)?\s+\[Tracepoint event\]" \ + "Metric Groups:" < $LOGS_DIR/adding_kernel_list.log +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing added probe :: perf list" +(( TEST_RESULT += $? )) + + +### listing added probe :: perf probe -l + +# '-l' should list all the added probes as well +$CMD_PERF probe -l > $LOGS_DIR/adding_kernel_list-l.log +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "\s*probe:${TEST_PROBE}(?:_\d+)?\s+\(on ${TEST_PROBE}(?:[:\+]$RE_NUMBER_HEX)?@.+\)" \ + < $LOGS_DIR/adding_kernel_list-l.log +CHECK_EXIT_CODE=$? + +if [ $NO_DEBUGINFO ] ; then + print_testcase_skipped $NO_DEBUGINFO $NO_DEBUGINFO "Skipped due to missing debuginfo" +else + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing added probe :: perf probe -l" +fi + +(( TEST_RESULT += $? )) + + +### using added probe + +$CMD_PERF stat -e probe:$TEST_PROBE\* -o $LOGS_DIR/adding_kernel_using_probe.log -- cat /proc/uptime > /dev/null +PERF_EXIT_CODE=$? + +REGEX_STAT_HEADER="\s*Performance counter stats for \'cat /proc/uptime\':" +REGEX_STAT_VALUES="\s*\d+\s+probe:$TEST_PROBE" +# the value should be greater than 1 +REGEX_STAT_VALUE_NONZERO="\s*[1-9][0-9]*\s+probe:$TEST_PROBE" +REGEX_STAT_TIME="\s*$RE_NUMBER\s+seconds (?:time elapsed|user|sys)" +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "$REGEX_STAT_HEADER" "$REGEX_STAT_VALUES" "$REGEX_STAT_TIME" \ + "$RE_LINE_COMMENT" "$RE_LINE_EMPTY" < $LOGS_DIR/adding_kernel_using_probe.log +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$REGEX_STAT_HEADER" "$REGEX_STAT_VALUE_NONZERO" "$REGEX_STAT_TIME" \ + < $LOGS_DIR/adding_kernel_using_probe.log +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "using added probe" +(( TEST_RESULT += $? )) + + +### removing added probe + +# '-d' should remove the probe +$CMD_PERF probe -d $TEST_PROBE\* 2> $LOGS_DIR/adding_kernel_removing.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "Removed event: probe:$TEST_PROBE" < $LOGS_DIR/adding_kernel_removing.err +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "deleting added probe" +(( TEST_RESULT += $? )) + + +### listing removed probe + +# removed probes should NOT appear in perf-list output +$CMD_PERF list probe:\* > $LOGS_DIR/adding_kernel_list_removed.log +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "$RE_LINE_EMPTY" "List of pre-defined events" "Metric Groups:" \ + < $LOGS_DIR/adding_kernel_list_removed.log +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing removed probe (should NOT be listed)" +(( TEST_RESULT += $? )) + + +### dry run + +# the '-n' switch should run it in dry mode +$CMD_PERF probe -n --add $TEST_PROBE 2> $LOGS_DIR/adding_kernel_dryrun.err +PERF_EXIT_CODE=$? + +# check for the output (should be the same as usual) +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "Added new events?:" "probe:$TEST_PROBE" "on $TEST_PROBE" \ + < $LOGS_DIR/adding_kernel_dryrun.err +CHECK_EXIT_CODE=$? + +# check that no probe was added in real +! ( $CMD_PERF probe -l | grep "probe:$TEST_PROBE" ) +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "dry run :: adding probe" +(( TEST_RESULT += $? )) + + +### force-adding probes + +# when using '--force' a probe should be added even if it is already there +$CMD_PERF probe --add $TEST_PROBE 2> $LOGS_DIR/adding_kernel_forceadd_01.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "Added new events?:" "probe:$TEST_PROBE" "on $TEST_PROBE" \ + < $LOGS_DIR/adding_kernel_forceadd_01.err +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "force-adding probes :: first probe adding" +(( TEST_RESULT += $? )) + +# adding existing probe without '--force' should fail +! $CMD_PERF probe --add $TEST_PROBE 2> $LOGS_DIR/adding_kernel_forceadd_02.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "Error: event \"$TEST_PROBE\" already exists." \ + "Error: Failed to add events." < $LOGS_DIR/adding_kernel_forceadd_02.err +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "force-adding probes :: second probe adding (without force)" +(( TEST_RESULT += $? )) + +# adding existing probe with '--force' should pass +NO_OF_PROBES=`$CMD_PERF probe -l $TEST_PROBE| wc -l` +$CMD_PERF probe --force --add $TEST_PROBE 2> $LOGS_DIR/adding_kernel_forceadd_03.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "Added new events?:" "probe:${TEST_PROBE}_${NO_OF_PROBES}" \ + "on $TEST_PROBE" < $LOGS_DIR/adding_kernel_forceadd_03.err +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "force-adding probes :: second probe adding (with force)" +(( TEST_RESULT += $? )) + + +### using doubled probe + +# since they are the same, they should produce the same results +$CMD_PERF stat -e probe:$TEST_PROBE -e probe:${TEST_PROBE}_${NO_OF_PROBES} -x';' -o $LOGS_DIR/adding_kernel_using_two.log -- bash -c 'cat /proc/cpuinfo > /dev/null' +PERF_EXIT_CODE=$? + +REGEX_LINE="$RE_NUMBER;+probe:${TEST_PROBE}_?(?:$NO_OF_PROBES)?;$RE_NUMBER;$RE_NUMBER" +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "$REGEX_LINE" "$RE_LINE_EMPTY" "$RE_LINE_COMMENT" \ + < $LOGS_DIR/adding_kernel_using_two.log +CHECK_EXIT_CODE=$? + +VALUE_1=`grep "$TEST_PROBE;" $LOGS_DIR/adding_kernel_using_two.log | awk -F';' '{print $1}'` +VALUE_2=`grep "${TEST_PROBE}_${NO_OF_PROBES};" $LOGS_DIR/adding_kernel_using_two.log | awk -F';' '{print $1}'` + +test $VALUE_1 -eq $VALUE_2 +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "using doubled probe" + + +### removing multiple probes + +# using wildcards should remove all matching probes +$CMD_PERF probe --del \* 2> $LOGS_DIR/adding_kernel_removing_wildcard.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "Removed event: probe:$TEST_PROBE" \ + "Removed event: probe:${TEST_PROBE}_1" < $LOGS_DIR/adding_kernel_removing_wildcard.err +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "removing multiple probes" +(( TEST_RESULT += $? )) + + +### wildcard adding support + +$CMD_PERF probe -nf --max-probes=512 -a 'vfs_* $params' 2> $LOGS_DIR/adding_kernel_adding_wildcard.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "probe:vfs_mknod" "probe:vfs_create" "probe:vfs_rmdir" \ + "probe:vfs_link" "probe:vfs_write" < $LOGS_DIR/adding_kernel_adding_wildcard.err +CHECK_EXIT_CODE=$? + +if [ $NO_DEBUGINFO ] ; then + print_testcase_skipped $NO_DEBUGINFO $NO_DEBUGINFO "Skipped due to missing debuginfo" +else + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "wildcard adding support" +fi + +(( TEST_RESULT += $? )) + + +### non-existing variable + +# perf probe should survive a non-existing variable probing attempt +{ $CMD_PERF probe 'vfs_read somenonexistingrandomstuffwhichisalsoprettylongorevenlongertoexceed64' ; } 2> $LOGS_DIR/adding_kernel_nonexisting.err +PERF_EXIT_CODE=$? + +# the exitcode should not be 0 or segfault +test $PERF_EXIT_CODE -ne 139 -a $PERF_EXIT_CODE -ne 0 +PERF_EXIT_CODE=$? + +# check that the error message is reasonable +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "Failed to find" \ + "somenonexistingrandomstuffwhichisalsoprettylongorevenlongertoexceed64" \ + < $LOGS_DIR/adding_kernel_nonexisting.err +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "in this function|at this address" "Error" "Failed to add events" \ + < $LOGS_DIR/adding_kernel_nonexisting.err +(( CHECK_EXIT_CODE += $? )) +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "Failed to find" "Error" "Probe point .+ not found" "optimized out" \ + "Use.+\-\-range option to show.+location range" \ + < $LOGS_DIR/adding_kernel_nonexisting.err +(( CHECK_EXIT_CODE += $? )) +"$DIR_PATH/../common/check_no_patterns_found.pl" \ + "$RE_SEGFAULT" < $LOGS_DIR/adding_kernel_nonexisting.err +(( CHECK_EXIT_CODE += $? )) + +if [ $NO_DEBUGINFO ]; then + print_testcase_skipped $NO_DEBUGINFO $NO_DEBUGINFO "Skipped due to missing debuginfo" +else + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "non-existing variable" +fi + +(( TEST_RESULT += $? )) + + +### function with return value + +# adding probe with return value +$CMD_PERF probe --add "$TEST_PROBE%return \$retval" 2> $LOGS_DIR/adding_kernel_func_retval_add.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "Added new events?:" "probe:$TEST_PROBE" \ + "on $TEST_PROBE%return with \\\$retval" \ + < $LOGS_DIR/adding_kernel_func_retval_add.err +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "function with retval :: add" +(( TEST_RESULT += $? )) + +# recording some data +$CMD_PERF record -e probe:$TEST_PROBE\* -o $CURRENT_TEST_DIR/perf.data -- cat /proc/cpuinfo > /dev/null 2> $LOGS_DIR/adding_kernel_func_retval_record.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$RE_LINE_RECORD1" "$RE_LINE_RECORD2" \ + < $LOGS_DIR/adding_kernel_func_retval_record.err +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "function with retval :: record" +(( TEST_RESULT += $? )) + +# perf script should report the function calls with the correct arg values +$CMD_PERF script -i $CURRENT_TEST_DIR/perf.data > $LOGS_DIR/adding_kernel_func_retval_script.log +PERF_EXIT_CODE=$? + +REGEX_SCRIPT_LINE="\s*cat\s+$RE_NUMBER\s+\[$RE_NUMBER\]\s+$RE_NUMBER:\s+probe:$TEST_PROBE\w*:\s+\($RE_NUMBER_HEX\s+<\-\s+$RE_NUMBER_HEX\)\s+arg1=$RE_NUMBER_HEX" +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "$REGEX_SCRIPT_LINE" < $LOGS_DIR/adding_kernel_func_retval_script.log +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$REGEX_SCRIPT_LINE" < $LOGS_DIR/adding_kernel_func_retval_script.log +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "function argument probing :: script" +(( TEST_RESULT += $? )) + + +clear_all_probes + +# print overall results +print_overall_results "$TEST_RESULT" +exit $? diff --git a/tools/perf/tests/shell/base_probe/test_basic.sh b/tools/perf/tests/shell/base_probe/test_basic.sh new file mode 100755 index 000000000000..162838ddc974 --- /dev/null +++ b/tools/perf/tests/shell/base_probe/test_basic.sh @@ -0,0 +1,93 @@ +#!/bin/bash +# perf_probe :: Basic perf probe functionality (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +# +# test_basic of perf_probe test +# Author: Michael Petlan <mpetlan@redhat.com> +# Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> +# +# Description: +# +# This test tests basic functionality of perf probe command. +# + +DIR_PATH="$(dirname $0)" +TEST_RESULT=0 + +# include working environment +. "$DIR_PATH/../common/init.sh" + +if ! check_kprobes_available; then + print_overall_skipped + exit 2 +fi + + +### help message + +if [ "$PARAM_GENERAL_HELP_TEXT_CHECK" = "y" ]; then + # test that a help message is shown and looks reasonable + $CMD_PERF probe --help > $LOGS_DIR/basic_helpmsg.log 2> $LOGS_DIR/basic_helpmsg.err + PERF_EXIT_CODE=$? + + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "PERF-PROBE" "NAME" "SYNOPSIS" "DESCRIPTION" "OPTIONS" \ + "PROBE\s+SYNTAX" "PROBE\s+ARGUMENT" "LINE\s+SYNTAX" \ + < $LOGS_DIR/basic_helpmsg.log + CHECK_EXIT_CODE=$? + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "LAZY\s+MATCHING" "FILTER\s+PATTERN" "EXAMPLES" "SEE\s+ALSO" \ + < $LOGS_DIR/basic_helpmsg.log + (( CHECK_EXIT_CODE += $? )) + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "vmlinux" "module=" "source=" "verbose" "quiet" "add=" "del=" \ + "list.*EVENT" "line=" "vars=" "externs" < $LOGS_DIR/basic_helpmsg.log + (( CHECK_EXIT_CODE += $? )) + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "no-inlines" "funcs.*FILTER" "filter=FILTER" "force" "dry-run" \ + "max-probes" "exec=" "demangle-kernel" < $LOGS_DIR/basic_helpmsg.log + (( CHECK_EXIT_CODE += $? )) + "$DIR_PATH/../common/check_no_patterns_found.pl" \ + "No manual entry for" < $LOGS_DIR/basic_helpmsg.err + (( CHECK_EXIT_CODE += $? )) + + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "help message" + (( TEST_RESULT += $? )) +else + print_testcase_skipped "help message" +fi + + +### usage message + +# without any args perf-probe should print usage +$CMD_PERF probe 2> $LOGS_DIR/basic_usage.log > /dev/null + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "[Uu]sage" "perf probe" "verbose" "quiet" "add" "del" "force" \ + "line" "vars" "externs" "range" < $LOGS_DIR/basic_usage.log +CHECK_EXIT_CODE=$? + +print_results 0 $CHECK_EXIT_CODE "usage message" +(( TEST_RESULT += $? )) + + +### quiet switch + +# '--quiet' should mute all output +$CMD_PERF probe --quiet --add vfs_read > $LOGS_DIR/basic_quiet01.log 2> $LOGS_DIR/basic_quiet01.err +PERF_EXIT_CODE=$? +$CMD_PERF probe --quiet --del vfs_read > $LOGS_DIR/basic_quiet03.log 2> $LOGS_DIR/basic_quiet02.err +(( PERF_EXIT_CODE += $? )) + +test "`cat $LOGS_DIR/basic_quiet*log $LOGS_DIR/basic_quiet*err | wc -l`" -eq 0 +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "quiet switch" +(( TEST_RESULT += $? )) + + +# print overall results +print_overall_results "$TEST_RESULT" +exit $? diff --git a/tools/perf/tests/shell/base_probe/test_invalid_options.sh b/tools/perf/tests/shell/base_probe/test_invalid_options.sh new file mode 100755 index 000000000000..44a3ae014bfa --- /dev/null +++ b/tools/perf/tests/shell/base_probe/test_invalid_options.sh @@ -0,0 +1,86 @@ +#!/bin/bash +# perf_probe :: Reject invalid options (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +# +# test_invalid_options of perf_probe test +# Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> +# Author: Michael Petlan <mpetlan@redhat.com> +# +# Description: +# +# This test checks whether the invalid and incompatible options are reported +# + +DIR_PATH="$(dirname $0)" +TEST_RESULT=0 + +# include working environment +. "$DIR_PATH/../common/init.sh" + +if ! check_kprobes_available; then + print_overall_skipped + exit 2 +fi + +# Check for presence of DWARF +$CMD_PERF check feature -q dwarf +[ $? -ne 0 ] && HINT_FAIL="Some of the tests need DWARF to run" + +### missing argument + +# some options require an argument +for opt in '-a' '-d' '-L' '-V'; do + ! $CMD_PERF probe $opt 2> $LOGS_DIR/invalid_options_missing_argument$opt.err + PERF_EXIT_CODE=$? + + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "Error: switch .* requires a value" \ + < $LOGS_DIR/invalid_options_missing_argument$opt.err + CHECK_EXIT_CODE=$? + + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "missing argument for $opt" + (( TEST_RESULT += $? )) +done + + +### unnecessary argument + +# some options may omit the argument +for opt in '-F' '-l'; do + $CMD_PERF probe -F > /dev/null 2> $LOGS_DIR/invalid_options_unnecessary_argument$opt.err + PERF_EXIT_CODE=$? + + test ! -s $LOGS_DIR/invalid_options_unnecessary_argument$opt.err + CHECK_EXIT_CODE=$? + + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "unnecessary argument for $opt" + (( TEST_RESULT += $? )) +done + + +### mutually exclusive options + +# some options are mutually exclusive +test -e $LOGS_DIR/invalid_options_mutually_exclusive.log && rm -f $LOGS_DIR/invalid_options_mutually_exclusive.log +for opt in '-a xxx -d xxx' '-a xxx -L foo' '-a xxx -V foo' '-a xxx -l' '-a xxx -F' \ + '-d xxx -L foo' '-d xxx -V foo' '-d xxx -l' '-d xxx -F' \ + '-L foo -V bar' '-L foo -l' '-L foo -F' '-V foo -l' '-V foo -F' '-l -F'; do + ! $CMD_PERF probe $opt > /dev/null 2> $LOGS_DIR/aux.log + PERF_EXIT_CODE=$? + + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "Error: switch .+ cannot be used with switch .+" < $LOGS_DIR/aux.log + CHECK_EXIT_CODE=$? + + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "mutually exclusive options :: $opt" + (( TEST_RESULT += $? )) + + # gather the logs + cat $LOGS_DIR/aux.log | grep "Error" >> $LOGS_DIR/invalid_options_mutually_exclusive.log +done + + +# print overall results +print_overall_results "$TEST_RESULT" $HINT_FAIL +exit $? diff --git a/tools/perf/tests/shell/base_probe/test_line_semantics.sh b/tools/perf/tests/shell/base_probe/test_line_semantics.sh new file mode 100755 index 000000000000..576442d87a44 --- /dev/null +++ b/tools/perf/tests/shell/base_probe/test_line_semantics.sh @@ -0,0 +1,59 @@ +#!/bin/bash +# perf_probe :: Check patterns for line semantics (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +# +# test_line_semantics of perf_probe test +# Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> +# Author: Michael Petlan <mpetlan@redhat.com> +# +# Description: +# +# This test checks whether the semantic errors of line option's +# arguments are properly reported. +# + +DIR_PATH="$(dirname $0)" +TEST_RESULT=0 + +# include working environment +. "$DIR_PATH/../common/init.sh" + +if ! check_kprobes_available; then + print_overall_skipped + exit 2 +fi + +# Check for presence of DWARF +$CMD_PERF check feature -q dwarf +[ $? -ne 0 ] && HINT_FAIL="Some of the tests need DWARF to run" + +### acceptable --line descriptions + +# testing acceptance of valid patterns for the '--line' option +VALID_PATTERNS="func func:10 func:0-10 func:2+10 func@source.c func@source.c:1 source.c:1 source.c:1+1 source.c:1-10" +for desc in $VALID_PATTERNS; do + ! ( $CMD_PERF probe --line $desc 2>&1 | grep -q "Semantic error" ) + CHECK_EXIT_CODE=$? + + print_results 0 $CHECK_EXIT_CODE "acceptable descriptions :: $desc" + (( TEST_RESULT += $? )) +done + + +### unacceptable --line descriptions + +# testing handling of invalid patterns for the '--line' option +INVALID_PATTERNS="func:foo func:1-foo func:1+foo func;lazy\*pattern" +for desc in $INVALID_PATTERNS; do + $CMD_PERF probe --line $desc 2>&1 | grep -q "Semantic error" + CHECK_EXIT_CODE=$? + + print_results 0 $CHECK_EXIT_CODE "unacceptable descriptions :: $desc" + (( TEST_RESULT += $? )) +done + + +# print overall results +print_overall_results "$TEST_RESULT" $HINT_FAIL +exit $? diff --git a/tools/perf/tests/shell/base_report/setup.sh b/tools/perf/tests/shell/base_report/setup.sh new file mode 100755 index 000000000000..bb49b0fabb11 --- /dev/null +++ b/tools/perf/tests/shell/base_report/setup.sh @@ -0,0 +1,52 @@ +#!/bin/bash +# perftool-testsuite :: perf_report +# SPDX-License-Identifier: GPL-2.0 + +# +# setup.sh of perf report test +# Author: Michael Petlan <mpetlan@redhat.com> +# +# Description: +# +# We need some sample data for perf-report testing +# +# + +DIR_PATH="$(dirname $0)" + +# include working environment +. "$DIR_PATH/../common/init.sh" + +TEST_RESULT=0 + +test -d "$HEADER_TAR_DIR" || mkdir -p "$HEADER_TAR_DIR" + +SW_EVENT="cpu-clock" + +$CMD_PERF record -asdg -e $SW_EVENT -o $CURRENT_TEST_DIR/perf.data -- $CMD_LONGER_SLEEP 2> $LOGS_DIR/setup.log +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$RE_LINE_RECORD1" "$RE_LINE_RECORD2" < $LOGS_DIR/setup.log +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "prepare the perf.data file" +(( TEST_RESULT += $? )) + +# Some minimal parallel workload. +$CMD_PERF record --latency -o $CURRENT_TEST_DIR/perf.data.1 bash -c "for i in {1..100} ; do cat /proc/cpuinfo 1> /dev/null & done; sleep 1" 2> $LOGS_DIR/setup-latency.log +PERF_EXIT_CODE=$? + +echo ================== +cat $LOGS_DIR/setup-latency.log +echo ================== + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$RE_LINE_RECORD1" "$RE_LINE_RECORD2" < $LOGS_DIR/setup-latency.log +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "prepare the perf.data.1 file" +(( TEST_RESULT += $? )) + +print_overall_results $TEST_RESULT +exit $? diff --git a/tools/perf/tests/shell/base_report/stderr-whitelist.txt b/tools/perf/tests/shell/base_report/stderr-whitelist.txt new file mode 100644 index 000000000000..e3341401b47c --- /dev/null +++ b/tools/perf/tests/shell/base_report/stderr-whitelist.txt @@ -0,0 +1,5 @@ +no symbols found in .*, maybe install a debug package +was updated .*is prelink enabled.+ Restart the long running apps that use it +Warning: +\d+ out of order events recorded. +detected invalid bpf_prog_info diff --git a/tools/perf/tests/shell/base_report/test_basic.sh b/tools/perf/tests/shell/base_report/test_basic.sh new file mode 100755 index 000000000000..0dfe7e5fd1ca --- /dev/null +++ b/tools/perf/tests/shell/base_report/test_basic.sh @@ -0,0 +1,285 @@ +#!/bin/bash +# perf_report :: Basic perf report options (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +# +# test_basic of perf_report test +# Author: Michael Petlan <mpetlan@redhat.com> +# +# Description: +# +# This test tests basic functionality of perf report command. +# +# + +DIR_PATH="$(dirname $0)" +TEST_RESULT=0 + +# include working environment +. "$DIR_PATH/../common/init.sh" + + +### help message + +if [ "$PARAM_GENERAL_HELP_TEXT_CHECK" = "y" ]; then + # test that a help message is shown and looks reasonable + $CMD_PERF report --help > $LOGS_DIR/basic_helpmsg.log 2> $LOGS_DIR/basic_helpmsg.err + PERF_EXIT_CODE=$? + + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "PERF-REPORT" "NAME" "SYNOPSIS" "DESCRIPTION" "OPTIONS" \ + "OVERHEAD\s+CALCULATION" "SEE ALSO" < $LOGS_DIR/basic_helpmsg.log + CHECK_EXIT_CODE=$? + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "input" "verbose" "show-nr-samples" "show-cpu-utilization" \ + "threads" "comms" "pid" "tid" "dsos" "symbols" "symbol-filter" \ + < $LOGS_DIR/basic_helpmsg.log + (( CHECK_EXIT_CODE += $? )) + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "hide-unresolved" "sort" "fields" "parent" "exclude-other" \ + "column-widths" "field-separator" "dump-raw-trace" "children" \ + < $LOGS_DIR/basic_helpmsg.log + (( CHECK_EXIT_CODE += $? )) + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "call-graph" "max-stack" "inverted" "ignore-callees" "pretty" \ + "stdio" "tui" "gtk" "vmlinux" "kallsyms" "modules" \ + < $LOGS_DIR/basic_helpmsg.log + (( CHECK_EXIT_CODE += $? )) + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "force" "symfs" "cpu" "disassembler-style" "source" "asm-raw" \ + "show-total-period" "show-info" "branch-stack" "group" \ + < $LOGS_DIR/basic_helpmsg.log + (( CHECK_EXIT_CODE += $? )) + "$DIR_PATH/../common/check_all_patterns_found.pl" \ + "branch-history" "objdump" "demangle" "percent-limit" "percentage" \ + "header" "itrace" "full-source-path" "show-ref-call-graph" \ + < $LOGS_DIR/basic_helpmsg.log + (( CHECK_EXIT_CODE += $? )) + "$DIR_PATH/../common/check_no_patterns_found.pl" \ + "No manual entry for" < $LOGS_DIR/basic_helpmsg.err + (( CHECK_EXIT_CODE += $? )) + + print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "help message" + (( TEST_RESULT += $? )) +else + print_testcase_skipped "help message" +fi + + +### basic execution + +# test that perf report is even working +$CMD_PERF report -i $CURRENT_TEST_DIR/perf.data --stdio > $LOGS_DIR/basic_basic.log 2> $LOGS_DIR/basic_basic.err +PERF_EXIT_CODE=$? + +REGEX_LOST_SAMPLES_INFO="#\s*Total Lost Samples:\s+$RE_NUMBER" +REGEX_SAMPLES_INFO="#\s*Samples:\s+(?:$RE_NUMBER)\w?\s+of\s+event\s+'$RE_EVENT_ANY'" +REGEX_LINES_HEADER="#\s*Children\s+Self\s+Command\s+Shared Object\s+Symbol" +REGEX_LINES="\s*$RE_NUMBER%\s+$RE_NUMBER%\s+\S+\s+\[kernel\.(?:vmlinux)|(?:kallsyms)\]\s+\[[k\.]\]\s+\w+" +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$REGEX_LOST_SAMPLES_INFO" "$REGEX_SAMPLES_INFO" \ + "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_basic.log +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_errors_whitelisted.pl" \ + "$DIR_PATH/stderr-whitelist.txt" < $LOGS_DIR/basic_basic.err +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "basic execution" +(( TEST_RESULT += $? )) + + +### number of samples + +# '--show-nr-samples' should show number of samples for each symbol +$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data --show-nr-samples > $LOGS_DIR/basic_nrsamples.log 2> $LOGS_DIR/basic_nrsamples.err +PERF_EXIT_CODE=$? + +REGEX_LINES_HEADER="#\s*Children\s+Self\s+Samples\s+Command\s+Shared Object\s+Symbol" +REGEX_LINES="\s*$RE_NUMBER%\s+$RE_NUMBER%\s+$RE_NUMBER\s+\S+\s+\[kernel\.(?:vmlinux)|(?:kallsyms)\]\s+\[[k\.]\]\s+\w+" +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_nrsamples.log +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_errors_whitelisted.pl" \ + "$DIR_PATH/stderr-whitelist.txt" < $LOGS_DIR/basic_nrsamples.err +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "number of samples" +(( TEST_RESULT += $? )) + + +### header + +# '--header' and '--header-only' should show perf report header +$CMD_PERF report -i $CURRENT_TEST_DIR/perf.data --stdio --header-only > $LOGS_DIR/basic_header.log +PERF_EXIT_CODE=$? + +REGEX_LINE_TIMESTAMP="#\s+captured on\s*:\s*$RE_DATE_TIME" +REGEX_LINE_HOSTNAME="#\s+hostname\s*:\s*$MY_HOSTNAME" +REGEX_LINE_KERNEL="#\s+os release\s*:\s*${MY_KERNEL_VERSION//+/\\+}" +REGEX_LINE_PERF="#\s+perf version\s*:\s*" +REGEX_LINE_ARCH="#\s+arch\s*:\s*$MY_ARCH" +REGEX_LINE_CPUS_ONLINE="#\s+nrcpus online\s*:\s*$MY_CPUS_ONLINE" +REGEX_LINE_CPUS_AVAIL="#\s+nrcpus avail\s*:\s*$MY_CPUS_AVAILABLE" +# disable precise check for "nrcpus avail" in BASIC runmode +test $PERFTOOL_TESTSUITE_RUNMODE -lt $RUNMODE_STANDARD && REGEX_LINE_CPUS_AVAIL="#\s+nrcpus avail\s*:\s*$RE_NUMBER" +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$REGEX_LINE_TIMESTAMP" "$REGEX_LINE_HOSTNAME" "$REGEX_LINE_KERNEL" \ + "$REGEX_LINE_PERF" "$REGEX_LINE_ARCH" "$REGEX_LINE_CPUS_ONLINE" \ + "$REGEX_LINE_CPUS_AVAIL" < $LOGS_DIR/basic_header.log +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "header" +(( TEST_RESULT += $? )) + +# '--header' and '--header-only' should use creation time +OLD_TIMESTAMP=`$CMD_PERF report --stdio --header-only -i $CURRENT_TEST_DIR/perf.data | grep "captured on"` +PERF_EXIT_CODE=$? + +( tar -C $CURRENT_TEST_DIR -c perf.data | xz > $CURRENT_TEST_DIR/perf.data.tar.xz ; xzcat $CURRENT_TEST_DIR/perf.data.tar.xz | tar x -C $HEADER_TAR_DIR ) +(( PERF_EXIT_CODE += $? )) + +NEW_TIMESTAMP=`$CMD_PERF report --stdio --header-only -i $HEADER_TAR_DIR/perf.data | grep "captured on"` +(( PERF_EXIT_CODE += $? )) + +test "$OLD_TIMESTAMP" = "$NEW_TIMESTAMP" +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "header timestamp" +(( TEST_RESULT += $? )) + + +### show CPU utilization + +# '--showcpuutilization' should show percentage for both system and userspace mode +$CMD_PERF report -i $CURRENT_TEST_DIR/perf.data --stdio --showcpuutilization > $LOGS_DIR/basic_cpuut.log 2> $LOGS_DIR/basic_cpuut.err +PERF_EXIT_CODE=$? + +REGEX_LINES_HEADER="#\s*Children\s+Self\s+sys\s+usr\s+Command\s+Shared Object\s+Symbol" +REGEX_LINES="\s*$RE_NUMBER%\s+$RE_NUMBER%\s+$RE_NUMBER%\s+$RE_NUMBER%\s+\S+\s+\[kernel\.(?:vmlinux)|(?:kallsyms)\]\s+\[[k\.]\]\s+\w+" +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_cpuut.log +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_errors_whitelisted.pl" \ + "$DIR_PATH/stderr-whitelist.txt" < $LOGS_DIR/basic_cpuut.err +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "show CPU utilization" +(( TEST_RESULT += $? )) + + +### pid + +# '--pid=' should limit the output for a process with the given pid only +$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data --pid=1 > $LOGS_DIR/basic_pid.log 2> $LOGS_DIR/basic_pid.err +PERF_EXIT_CODE=$? + +grep -P -v '^#' $LOGS_DIR/basic_pid.log | grep -P '\s+[\d\.]+%' | \ + "$DIR_PATH/../common/check_all_lines_matched.pl" "systemd|init" +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_errors_whitelisted.pl" \ + "$DIR_PATH/stderr-whitelist.txt" < $LOGS_DIR/basic_pid.err +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "pid" +(( TEST_RESULT += $? )) + + +### non-existing symbol + +# '--symbols' should show only the given symbols +$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data --symbols=dummynonexistingsymbol > $LOGS_DIR/basic_symbols.log 2> $LOGS_DIR/basic_symbols.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_lines_matched.pl" \ + "$RE_LINE_EMPTY" "$RE_LINE_COMMENT" < $LOGS_DIR/basic_symbols.log +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_errors_whitelisted.pl" \ + "$DIR_PATH/stderr-whitelist.txt" < $LOGS_DIR/basic_symbols.err +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "non-existing symbol" +(( TEST_RESULT += $? )) + + +### symbol filter + +# '--symbol-filter' should filter symbols based on substrings +$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data --symbol-filter=map > $LOGS_DIR/basic_symbolfilter.log 2> $LOGS_DIR/basic_symbolfilter.err +PERF_EXIT_CODE=$? + +grep -P -v '^#' $LOGS_DIR/basic_symbolfilter.log | grep -P '\s+[\d\.]+%' | \ + "$DIR_PATH/../common/check_all_lines_matched.pl" "\[[k\.]\]\s+.*map" +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_errors_whitelisted.pl" \ + "$DIR_PATH/stderr-whitelist.txt" < $LOGS_DIR/basic_symbolfilter.err +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "symbol filter" +(( TEST_RESULT += $? )) + + +### latency and parallelism + +# Record with --latency should record with context switches. +$CMD_PERF report -i $CURRENT_TEST_DIR/perf.data.1 --stdio --header-only > $LOGS_DIR/latency_header.log +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + ", context_switch = 1, " < $LOGS_DIR/latency_header.log +CHECK_EXIT_CODE=$? + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "latency header" +(( TEST_RESULT += $? )) + + +# The default report for latency profile should show Overhead and Latency fields (in that order). +$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data.1 > $LOGS_DIR/latency_default.log 2> $LOGS_DIR/latency_default.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "# Overhead Latency Command" < $LOGS_DIR/latency_default.log +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_errors_whitelisted.pl" \ + "stderr-whitelist.txt" < $LOGS_DIR/latency_default.err +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "default report for latency profile" +(( TEST_RESULT += $? )) + + +# The latency report for latency profile should show Latency and Overhead fields (in that order). +$CMD_PERF report --latency --stdio -i $CURRENT_TEST_DIR/perf.data.1 > $LOGS_DIR/latency_latency.log 2> $LOGS_DIR/latency_latency.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "# Latency Overhead Command" < $LOGS_DIR/latency_latency.log +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_errors_whitelisted.pl" \ + "stderr-whitelist.txt" < $LOGS_DIR/latency_latency.err +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "latency report for latency profile" +(( TEST_RESULT += $? )) + + +# Ensure parallelism histogram with parallelism filter does not fail/crash. +$CMD_PERF report --hierarchy --sort latency,parallelism,comm,symbol --parallelism=1,2 --stdio -i $CURRENT_TEST_DIR/perf.data.1 > $LOGS_DIR/parallelism_hierarchy.log 2> $LOGS_DIR/parallelism_hierarchy.err +PERF_EXIT_CODE=$? + +"$DIR_PATH/../common/check_all_patterns_found.pl" \ + "# Latency Parallelism / Command / Symbol" \ + < $LOGS_DIR/parallelism_hierarchy.log +CHECK_EXIT_CODE=$? +"$DIR_PATH/../common/check_errors_whitelisted.pl" \ + "stderr-whitelist.txt" < $LOGS_DIR/parallelism_hierarchy.err +(( CHECK_EXIT_CODE += $? )) + +print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "parallelism histogram" +(( TEST_RESULT += $? )) + + +# TODO: $CMD_PERF report -n --showcpuutilization -TUxDg 2> 01.log + +# print overall results +print_overall_results "$TEST_RESULT" +exit $? diff --git a/tools/perf/tests/shell/buildid.sh b/tools/perf/tests/shell/buildid.sh index aaf851108ca3..102808cca9db 100755 --- a/tools/perf/tests/shell/buildid.sh +++ b/tools/perf/tests/shell/buildid.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # build id cache operations # SPDX-License-Identifier: GPL-2.0 @@ -36,16 +36,69 @@ if [ ${run_pe} -eq 1 ]; then unset WAYLAND_DISPLAY fi -ex_md5=$(mktemp /tmp/perf.ex.MD5.XXX) -ex_sha1=$(mktemp /tmp/perf.ex.SHA1.XXX) +build_id_dir= +ex_source=$(mktemp /tmp/perf_buildid_test.ex.XXX.c) +ex_md5=$(mktemp /tmp/perf_buildid_test.ex.MD5.XXX) +ex_sha1=$(mktemp /tmp/perf_buildid_test.ex.SHA1.XXX) ex_pe=$(dirname $0)/../pe-file.exe +data=$(mktemp /tmp/perf_buildid_test.data.XXX) +log_out=$(mktemp /tmp/perf_buildid_test.log.out.XXX) +log_err=$(mktemp /tmp/perf_buildid_test.log.err.XXX) -echo 'int main(void) { return 0; }' | cc -Wl,--build-id=sha1 -o ${ex_sha1} -x c - -echo 'int main(void) { return 0; }' | cc -Wl,--build-id=md5 -o ${ex_md5} -x c - +cleanup() { + rm -f ${ex_source} ${ex_md5} ${ex_sha1} ${data} ${log_out} ${log_err} + if [ ${run_pe} -eq 1 ]; then + rm -r ${wineprefix} + fi + if [ -d ${build_id_dir} ]; then + rm -rf ${build_id_dir} + fi + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +# Test program based on the noploop workload. +cat <<EOF > ${ex_source} +#include <stdlib.h> +#include <signal.h> +#include <unistd.h> +static volatile sig_atomic_t done; + +static void sighandler(int sig) +{ + (void)sig; + done = 1; +} + +int main(int argc, const char **argv) +{ + int sec = 1; + + if (argc > 1) + sec = atoi(argv[1]); + + signal(SIGINT, sighandler); + signal(SIGALRM, sighandler); + alarm(sec); + + while (!done) + continue; + + return 0; +} +EOF +cc -Wl,--build-id=sha1 ${ex_source} -o ${ex_sha1} -x c - +cc -Wl,--build-id=md5 ${ex_source} -o ${ex_md5} -x c - echo "test binaries: ${ex_sha1} ${ex_md5} ${ex_pe}" -check() +get_build_id() { case $1 in *.exe) @@ -64,9 +117,20 @@ check() id=`readelf -n ${1} 2>/dev/null | grep 'Build ID' | awk '{print $3}'` ;; esac + echo ${id} +} + +check() +{ + file=$1 + perf_data=$2 + + id=$(get_build_id $file) echo "build id: ${id}" - link=${build_id_dir}/.build-id/${id:0:2}/${id:2} + id_file=${id#??} + id_dir=${id%$id_file} + link=$build_id_dir/.build-id/$id_dir/$id_file echo "link: ${link}" if [ ! -h $link ]; then @@ -74,45 +138,53 @@ check() exit 1 fi - file=${build_id_dir}/.build-id/${id:0:2}/`readlink ${link}`/elf - echo "file: ${file}" + cached_file=${build_id_dir}/.build-id/$id_dir/`readlink ${link}`/elf + echo "file: ${cached_file}" # Check for file permission of original file # in case of pe-file.exe file echo $1 | grep ".exe" if [ $? -eq 0 ]; then - if [ -x $1 -a ! -x $file ]; then - echo "failed: file ${file} executable does not exist" + if [ -x $1 ] && [ ! -x $cached_file ]; then + echo "failed: file ${cached_file} executable does not exist" exit 1 fi - if [ ! -x $file -a ! -e $file ]; then - echo "failed: file ${file} does not exist" + if [ ! -x $cached_file ] && [ ! -e $cached_file ]; then + echo "failed: file ${cached_file} does not exist" exit 1 fi - elif [ ! -x $file ]; then - echo "failed: file ${file} does not exist" + elif [ ! -x $cached_file ]; then + echo "failed: file ${cached_file} does not exist" exit 1 fi - diff ${file} ${1} + diff ${cached_file} ${1} if [ $? -ne 0 ]; then - echo "failed: ${file} do not match" + echo "failed: ${cached_file} do not match" exit 1 fi - ${perf} buildid-cache -l | grep ${id} + ${perf} buildid-cache -l | grep -q ${id} if [ $? -ne 0 ]; then echo "failed: ${id} is not reported by \"perf buildid-cache -l\"" exit 1 fi + if [ -n "${perf_data}" ]; then + ${perf} buildid-list -i ${perf_data} | grep -q ${id} + if [ $? -ne 0 ]; then + echo "failed: ${id} is not reported by \"perf buildid-list -i ${perf_data}\"" + exit 1 + fi + fi + echo "OK for ${1}" } test_add() { - build_id_dir=$(mktemp -d /tmp/perf.debug.XXX) + build_id_dir=$(mktemp -d /tmp/perf_buildid_test.debug.XXX) perf="perf --buildid-dir ${build_id_dir}" ${perf} buildid-cache -v -a ${1} @@ -126,24 +198,102 @@ test_add() rm -rf ${build_id_dir} } +test_remove() +{ + build_id_dir=$(mktemp -d /tmp/perf_buildid_test.debug.XXX) + perf="perf --buildid-dir ${build_id_dir}" + + ${perf} buildid-cache -v -a ${1} + if [ $? -ne 0 ]; then + echo "failed: add ${1} to build id cache" + exit 1 + fi + + id=$(get_build_id ${1}) + if ! ${perf} buildid-cache -l | grep -q ${id}; then + echo "failed: ${id} not in cache" + exit 1 + fi + + ${perf} buildid-cache -v -r ${1} + if [ $? -ne 0 ]; then + echo "failed: remove ${id} from build id cache" + exit 1 + fi + + if ${perf} buildid-cache -l | grep -q ${id}; then + echo "failed: ${id} still in cache after remove" + exit 1 + fi + + echo "remove: OK" + rm -rf ${build_id_dir} +} + +test_purge() +{ + build_id_dir=$(mktemp -d /tmp/perf_buildid_test.debug.XXX) + perf="perf --buildid-dir ${build_id_dir}" + + id1=$(get_build_id ${ex_sha1}) + ${perf} buildid-cache -v -a ${ex_sha1} + if ! ${perf} buildid-cache -l | grep -q ${id1}; then + echo "failed: ${id1} not in cache" + exit 1 + fi + + id2=$(get_build_id ${ex_md5}) + ${perf} buildid-cache -v -a ${ex_md5} + if ! ${perf} buildid-cache -l | grep -q ${id2}; then + echo "failed: ${id2} not in cache" + exit 1 + fi + + # Purge by path + ${perf} buildid-cache -v -p ${ex_sha1} + if [ $? -ne 0 ]; then + echo "failed: purge build id cache of ${ex_sha1}" + exit 1 + fi + + ${perf} buildid-cache -v -p ${ex_md5} + if [ $? -ne 0 ]; then + echo "failed: purge build id cache of ${ex_md5}" + exit 1 + fi + + # Verify both are gone + if ${perf} buildid-cache -l | grep -q ${id1}; then + echo "failed: ${id1} still in cache after purge" + exit 1 + fi + + if ${perf} buildid-cache -l | grep -q ${id2}; then + echo "failed: ${id2} still in cache after purge" + exit 1 + fi + + echo "purge: OK" + rm -rf ${build_id_dir} +} + test_record() { - data=$(mktemp /tmp/perf.data.XXX) - build_id_dir=$(mktemp -d /tmp/perf.debug.XXX) - log=$(mktemp /tmp/perf.log.XXX) + build_id_dir=$(mktemp -d /tmp/perf_buildid_test.debug.XXX) perf="perf --buildid-dir ${build_id_dir}" - echo "running: perf record $@" - ${perf} record --buildid-all -o ${data} $@ &> ${log} + echo "running: perf record $*" + ${perf} record --buildid-all -o ${data} "$@" 1>${log_out} 2>${log_err} if [ $? -ne 0 ]; then - echo "failed: record $@" - echo "see log: ${log}" + echo "failed: record $*" + echo "see log: ${log_err}" exit 1 fi - check ${@: -1} + args="$*" + check ${args##* } ${data} - rm -f ${log} + rm -f ${log_out} ${log_err} rm -rf ${build_id_dir} rm -rf ${data} } @@ -162,10 +312,15 @@ if [ ${run_pe} -eq 1 ]; then test_record wine ${ex_pe} fi -# cleanup -rm ${ex_sha1} ${ex_md5} -if [ ${run_pe} -eq 1 ]; then - rm -r ${wineprefix} +# remove binaries manually via perf buildid-cache -r +test_remove ${ex_sha1} +test_remove ${ex_md5} +if [ ${add_pe} -eq 1 ]; then + test_remove ${ex_pe} fi -exit ${err} +# purge binaries manually via perf buildid-cache -p +test_purge + +cleanup +exit 0 diff --git a/tools/perf/tests/shell/c2c.sh b/tools/perf/tests/shell/c2c.sh new file mode 100755 index 000000000000..2471d44595c3 --- /dev/null +++ b/tools/perf/tests/shell/c2c.sh @@ -0,0 +1,62 @@ +#!/bin/bash +# perf c2c tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_c2c_test.perf.data.XXXXX) + +cleanup() { + rm -f "${perfdata}" + rm -f "${perfdata}".old + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +check_c2c_support() { + # Check if perf c2c record works. + if ! perf c2c record -o "${perfdata}" -- true > /dev/null 2>&1 ; then + return 1 + fi + return 0 +} + +test_c2c_record_report() { + echo "c2c record and report test" + if ! check_c2c_support ; then + echo "c2c record and report test [Skipped: perf c2c record failed (possibly missing hardware support)]" + err=2 + return + fi + + # Run a workload that does some memory operations. + if ! perf c2c record -o "${perfdata}" -- perf test -w datasym 1 > /dev/null 2>&1 ; then + echo "c2c record and report test [Skipped: perf c2c record failed during workload]" + return + fi + + if ! perf c2c report -i "${perfdata}" --stdio > /dev/null 2>&1 ; then + echo "c2c record and report test [Failed: report failed]" + err=1 + return + fi + + if ! perf c2c report -i "${perfdata}" -N > /dev/null 2>&1 ; then + echo "c2c record and report test [Failed: report -N failed]" + err=1 + return + fi + + echo "c2c record and report test [Success]" +} + +test_c2c_record_report +cleanup +exit $err diff --git a/tools/perf/tests/shell/common/check_all_lines_matched.pl b/tools/perf/tests/shell/common/check_all_lines_matched.pl new file mode 100755 index 000000000000..fded48959a3f --- /dev/null +++ b/tools/perf/tests/shell/common/check_all_lines_matched.pl @@ -0,0 +1,39 @@ +#!/usr/bin/perl +# SPDX-License-Identifier: GPL-2.0 + +@regexps = @ARGV; + +$max_printed_lines = 20; +$max_printed_lines = $ENV{TESTLOG_ERR_MSG_MAX_LINES} if (defined $ENV{TESTLOG_ERR_MSG_MAX_LINES}); + +$quiet = 1; +$quiet = 0 if (defined $ENV{TESTLOG_VERBOSITY} && $ENV{TESTLOG_VERBOSITY} ge 2); + +$passed = 1; +$lines_printed = 0; + +while (<STDIN>) +{ + s/\n//; + + $line_matched = 0; + for $r (@regexps) + { + if (/$r/) + { + $line_matched = 1; + last; + } + } + + unless ($line_matched) + { + if ($lines_printed++ < $max_printed_lines) + { + print "Line did not match any pattern: \"$_\"\n" unless $quiet; + } + $passed = 0; + } +} + +exit ($passed == 0); diff --git a/tools/perf/tests/shell/common/check_all_patterns_found.pl b/tools/perf/tests/shell/common/check_all_patterns_found.pl new file mode 100755 index 000000000000..11bdf1d3460a --- /dev/null +++ b/tools/perf/tests/shell/common/check_all_patterns_found.pl @@ -0,0 +1,34 @@ +#!/usr/bin/perl +# SPDX-License-Identifier: GPL-2.0 + +@regexps = @ARGV; + +$quiet = 1; +$quiet = 0 if (defined $ENV{TESTLOG_VERBOSITY} && $ENV{TESTLOG_VERBOSITY} ge 2); + +%found = (); +$passed = 1; + +while (<STDIN>) +{ + s/\n//; + + for $r (@regexps) + { + if (/$r/) + { + $found{$r} = 1; # FIXME: maybe add counters -- how many times was the regexp matched + } + } +} + +for $r (@regexps) +{ + unless (exists $found{$r}) + { + print "Regexp not found: \"$r\"\n" unless $quiet; + $passed = 0; + } +} + +exit ($passed == 0); diff --git a/tools/perf/tests/shell/common/check_errors_whitelisted.pl b/tools/perf/tests/shell/common/check_errors_whitelisted.pl new file mode 100755 index 000000000000..c57d355dd76e --- /dev/null +++ b/tools/perf/tests/shell/common/check_errors_whitelisted.pl @@ -0,0 +1,51 @@ +#!/usr/bin/perl +# SPDX-License-Identifier: GPL-2.0 + +$whitelist_file = shift; + +if (defined $whitelist_file) +{ + open (INFILE, $whitelist_file) or die "Checker error: Unable to open the whitelist file: $whitelist_file\n"; + @regexps = <INFILE>; + close INFILE or die "Checker error: Unable to close the whitelist file: $whitelist_file\n"; +} +else +{ + @regexps = (); +} + +$max_printed_lines = 20; +$max_printed_lines = $ENV{TESTLOG_ERR_MSG_MAX_LINES} if (defined $ENV{TESTLOG_ERR_MSG_MAX_LINES}); + +$quiet = 1; +$quiet = 0 if (defined $ENV{TESTLOG_VERBOSITY} && $ENV{TESTLOG_VERBOSITY} ge 2); + +$passed = 1; +$lines_printed = 0; + +while (<STDIN>) +{ + s/\n//; + + $line_matched = 0; + for $r (@regexps) + { + chomp $r; + if (/$r/) + { + $line_matched = 1; + last; + } + } + + unless ($line_matched) + { + if ($lines_printed++ < $max_printed_lines) + { + print "Line did not match any pattern: \"$_\"\n" unless $quiet; + } + $passed = 0; + } +} + +exit ($passed == 0); diff --git a/tools/perf/tests/shell/common/check_no_patterns_found.pl b/tools/perf/tests/shell/common/check_no_patterns_found.pl new file mode 100755 index 000000000000..770999e87a5f --- /dev/null +++ b/tools/perf/tests/shell/common/check_no_patterns_found.pl @@ -0,0 +1,34 @@ +#!/usr/bin/perl +# SPDX-License-Identifier: GPL-2.0 + +@regexps = @ARGV; + +$quiet = 1; +$quiet = 0 if (defined $ENV{TESTLOG_VERBOSITY} && $ENV{TESTLOG_VERBOSITY} ge 2); + +%found = (); +$passed = 1; + +while (<STDIN>) +{ + s/\n//; + + for $r (@regexps) + { + if (/$r/) + { + $found{$r} = 1; + } + } +} + +for $r (@regexps) +{ + if (exists $found{$r}) + { + print "Regexp found: \"$r\"\n" unless $quiet; + $passed = 0; + } +} + +exit ($passed == 0); diff --git a/tools/perf/tests/shell/common/init.sh b/tools/perf/tests/shell/common/init.sh new file mode 100644 index 000000000000..cbfc78bec974 --- /dev/null +++ b/tools/perf/tests/shell/common/init.sh @@ -0,0 +1,143 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# init.sh +# Author: Michael Petlan <mpetlan@redhat.com> +# +# Description: +# +# This file should be used for initialization of basic functions +# for checking, reporting results etc. +# +# + + +. "$(dirname $0)/../common/settings.sh" +. "$(dirname $0)/../common/patterns.sh" + +THIS_TEST_NAME=`basename $0 .sh` + +_echo() +{ + test "$TESTLOG_VERBOSITY" -ne 0 && echo -e "$@" +} + +print_results() +{ + PERF_RETVAL="$1"; shift + CHECK_RETVAL="$1"; shift + FAILURE_REASON="" + TASK_COMMENT="$*" + if [ $PERF_RETVAL -eq 0 ] && [ $CHECK_RETVAL -eq 0 ]; then + _echo "$MPASS-- [ PASS ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $TASK_COMMENT" + return 0 + else + if [ $PERF_RETVAL -ne 0 ]; then + FAILURE_REASON="command exitcode" + fi + if [ $CHECK_RETVAL -ne 0 ]; then + test -n "$FAILURE_REASON" && FAILURE_REASON="$FAILURE_REASON + " + FAILURE_REASON="$FAILURE_REASON""output regexp parsing" + fi + _echo "$MFAIL-- [ FAIL ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $TASK_COMMENT ($FAILURE_REASON)" + return 1 + fi +} + +print_overall_results() +{ + RETVAL="$1"; shift + TASK_COMMENT="$*" + test -n "$TASK_COMMENT" && TASK_COMMENT=":: $TASK_COMMENT" + + if [ $RETVAL -eq 0 ]; then + _echo "$MALLPASS## [ PASS ] ##$MEND $TEST_NAME :: $THIS_TEST_NAME SUMMARY" + else + _echo "$MALLFAIL## [ FAIL ] ##$MEND $TEST_NAME :: $THIS_TEST_NAME SUMMARY :: $RETVAL failures found $TASK_COMMENT" + fi + return $RETVAL +} + +print_testcase_skipped() +{ + TASK_COMMENT="$*" + _echo "$MSKIP-- [ SKIP ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $TASK_COMMENT :: testcase skipped" + return 0 +} + +print_overall_skipped() +{ + _echo "$MSKIP## [ SKIP ] ##$MEND $TEST_NAME :: $THIS_TEST_NAME :: testcase skipped" + return 0 +} + +print_warning() +{ + WARN_COMMENT="$*" + _echo "$MWARN-- [ WARN ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $WARN_COMMENT" + return 0 +} + +# this function should skip a testcase if the testsuite is not run in +# a runmode that fits the testcase --> if the suite runs in BASIC mode +# all STANDARD and EXPERIMENTAL testcases will be skipped; if the suite +# runs in STANDARD mode, all EXPERIMENTAL testcases will be skipped and +# if the suite runs in EXPERIMENTAL mode, nothing is skipped +consider_skipping() +{ + TESTCASE_RUNMODE="$1" + # the runmode of a testcase needs to be at least the current suite's runmode + if [ $PERFTOOL_TESTSUITE_RUNMODE -lt $TESTCASE_RUNMODE ]; then + print_overall_skipped + exit 2 + fi +} + +detect_baremetal() +{ + # return values: + # 0 = bare metal + # 1 = virtualization detected + # 2 = unknown state + VIRT=`systemd-detect-virt 2>/dev/null` + test $? -eq 127 && return 2 + test "$VIRT" = "none" +} + +detect_intel() +{ + # return values: + # 0 = is Intel + # 1 = is not Intel or unknown + grep "vendor_id" < /proc/cpuinfo | grep -q "GenuineIntel" +} + +detect_amd() +{ + # return values: + # 0 = is AMD + # 1 = is not AMD or unknown + grep "vendor_id" < /proc/cpuinfo | grep -q "AMD" +} + +# base probe utility +check_kprobes_available() +{ + test -e /sys/kernel/debug/tracing/kprobe_events +} + +check_uprobes_available() +{ + test -e /sys/kernel/debug/tracing/uprobe_events +} + +clear_all_probes() +{ + echo 0 > /sys/kernel/debug/tracing/events/enable + check_kprobes_available && echo > /sys/kernel/debug/tracing/kprobe_events + check_uprobes_available && echo > /sys/kernel/debug/tracing/uprobe_events +} + +check_sdt_support() +{ + $CMD_PERF list sdt | grep sdt > /dev/null 2> /dev/null +} diff --git a/tools/perf/tests/shell/common/patterns.sh b/tools/perf/tests/shell/common/patterns.sh new file mode 100644 index 000000000000..21dab25c7b7f --- /dev/null +++ b/tools/perf/tests/shell/common/patterns.sh @@ -0,0 +1,268 @@ +# SPDX-License-Identifier: GPL-2.0 + +export RE_NUMBER="[0-9\.]+" +# Number +# Examples: +# 123.456 + + +export RE_NUMBER_HEX="[0-9A-Fa-f]+" +# Hexadecimal number +# Examples: +# 1234 +# a58d +# aBcD +# deadbeef + + +export RE_DATE_YYYYMMDD="[0-9]{4}-(?:(?:01|03|05|07|08|10|12)-(?:[0-2][0-9]|3[0-1])|02-[0-2][0-9]|(?:(?:04|06|09|11)-(?:[0-2][0-9]|30)))" +# Date in YYYY-MM-DD form +# Examples: +# 1990-02-29 +# 0015-07-31 +# 2456-12-31 +#! 2012-13-01 +#! 1963-09-31 + + +export RE_TIME="(?:[0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]" +# Time +# Examples: +# 15:12:27 +# 23:59:59 +#! 24:00:00 +#! 11:25:60 +#! 17:60:15 + + +export RE_DATE_TIME="\w+\s+\w+\s+$RE_NUMBER\s+$RE_TIME\s+$RE_NUMBER" +# Time and date +# Examples: +# Wed Feb 12 10:46:26 2020 +# Mon Mar 2 13:27:06 2020 +#! St úno 12 10:57:21 CET 2020 +#! Po úno 14 15:17:32 2010 + + +export RE_ADDRESS="0x$RE_NUMBER_HEX" +# Memory address +# Examples: +# 0x123abc +# 0xffffffff9abe8ae8 +# 0x0 + + +export RE_ADDRESS_NOT_NULL="0x[0-9A-Fa-f]*[1-9A-Fa-f]+[0-9A-Fa-f]*" +# Memory address (not NULL) +# Examples: +# 0xffffffff9abe8ae8 +#! 0x0 +#! 0x0000000000000000 + +export RE_PROCESS_PID="[^\/]+\/\d+" +# A process with PID +# Example: +# sleep/4102 +# test_overhead./866185 +# in:imjournal/1096 +# random#$& test/866607 + +export RE_EVENT_ANY="[\w\-\:\/_=,]+" +# Name of any event (universal) +# Examples: +# cpu-cycles +# cpu/event=12,umask=34/ +# r41e1 +# nfs:nfs_getattr_enter + + +export RE_EVENT="[\w\-:_]+" +# Name of an usual event +# Examples: +# cpu-cycles + + +export RE_EVENT_RAW="r$RE_NUMBER_HEX" +# Specification of a raw event +# Examples: +# r41e1 +# r1a + + +export RE_EVENT_CPU="cpu/(\w+=$RE_NUMBER_HEX,?)+/p*" +# Specification of a CPU event +# Examples: +# cpu/event=12,umask=34/pp + + +export RE_EVENT_UNCORE="uncore/[\w_]+/" +# Specification of an uncore event +# Examples: +# uncore/qhl_request_local_reads/ + + +export RE_EVENT_SUBSYSTEM="[\w\-]+:[\w\-]+" +# Name of an event from subsystem +# Examples: +# ext4:ext4_ordered_write_end +# sched:sched_switch + + +export RE_FILE_NAME="[\w\+\.-]+" +# A filename +# Examples: +# libstdc++.so.6 +#! some/path + + +export RE_PATH_ABSOLUTE="(?:\/$RE_FILE_NAME)+" +# A full filepath +# Examples: +# /usr/lib64/somelib.so.5.4.0 +# /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko +# /usr/bin/mv +#! some/relative/path +#! ./some/relative/path + + +export RE_PATH="(?:$RE_FILE_NAME)?$RE_PATH_ABSOLUTE" +# A filepath +# Examples: +# /usr/lib64/somelib.so.5.4.0 +# /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko +# ./.emacs +# src/fs/file.c + + +export RE_DSO="(?:$RE_PATH_ABSOLUTE(?: \(deleted\))?|\[kernel\.kallsyms\]|\[unknown\]|\[vdso\]|\[kernel\.vmlinux\][\.\w]*)" +# A DSO name in various result tables +# Examples: +# /usr/lib64/somelib.so.5.4.0 +# /usr/bin/somebinart (deleted) +# /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko +# [kernel.kallsyms] +# [kernel.vmlinux] +# [vdso] +# [unknown] + + +export RE_LINE_COMMENT="^#.*" +# A comment line +# Examples: +# # Started on Thu Sep 10 11:43:00 2015 + + +export RE_LINE_EMPTY="^\s*$" +# An empty line with possible whitespaces +# Examples: +# + + +export RE_LINE_RECORD1="^\[\s+perf\s+record:\s+Woken up $RE_NUMBER times? to write data\s+\].*$" +# The first line of perf-record "OK" output +# Examples: +# [ perf record: Woken up 1 times to write data ] + + +export RE_LINE_RECORD2="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\s*MB\s+(?:[\w\+\.-]*(?:$RE_PATH)?\/)?perf\.data(?:\.\d+)?\s*\(~?$RE_NUMBER samples\)\s+\].*$" +# The second line of perf-record "OK" output +# Examples: +# [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ] +# [ perf record: Captured and wrote 0.405 MB perf.data (~109 samples) ] +# [ perf record: Captured and wrote 0.405 MB /some/temp/dir/perf.data (109 samples) ] +# [ perf record: Captured and wrote 0.405 MB ./perf.data (109 samples) ] +# [ perf record: Captured and wrote 0.405 MB ./perf.data.3 (109 samples) ] + + +export RE_LINE_RECORD2_TOLERANT="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\s*MB\s+(?:[\w\+\.-]*(?:$RE_PATH)?\/)?perf\.data(?:\.\d+)?\s*(?:\(~?$RE_NUMBER samples\))?\s+\].*$" +# The second line of perf-record "OK" output, even no samples is OK here +# Examples: +# [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ] +# [ perf record: Captured and wrote 0.405 MB perf.data (~109 samples) ] +# [ perf record: Captured and wrote 0.405 MB /some/temp/dir/perf.data (109 samples) ] +# [ perf record: Captured and wrote 0.405 MB ./perf.data (109 samples) ] +# [ perf record: Captured and wrote 0.405 MB ./perf.data.3 (109 samples) ] +# [ perf record: Captured and wrote 0.405 MB perf.data ] + + +export RE_LINE_RECORD2_TOLERANT_FILENAME="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\s*MB\s+(?:[\w\+\.-]*(?:$RE_PATH)?\/)?perf\w*\.data(?:\.\d+)?\s*\(~?$RE_NUMBER samples\)\s+\].*$" +# The second line of perf-record "OK" output +# Examples: +# [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ] +# [ perf record: Captured and wrote 0.405 MB perf_ls.data (~109 samples) ] +# [ perf record: Captured and wrote 0.405 MB perf_aNyCaSe.data (109 samples) ] +# [ perf record: Captured and wrote 0.405 MB ./perfdata.data.3 (109 samples) ] +#! [ perf record: Captured and wrote 0.405 MB /some/temp/dir/my_own.data (109 samples) ] +#! [ perf record: Captured and wrote 0.405 MB ./UPPERCASE.data (109 samples) ] +#! [ perf record: Captured and wrote 0.405 MB ./aNyKiNDoF.data.3 (109 samples) ] +#! [ perf record: Captured and wrote 0.405 MB perf.data ] + + +export RE_LINE_TRACE_FULL="^\s*$RE_NUMBER\s*\(\s*$RE_NUMBER\s*ms\s*\):\s*$RE_PROCESS_PID\s+.*\)\s+=\s+(:?\-?$RE_NUMBER|0x$RE_NUMBER_HEX).*$" +# A line of perf-trace output +# Examples: +# 0.115 ( 0.005 ms): sleep/4102 open(filename: 0xd09e2ab2, flags: CLOEXEC ) = 3 +# 0.157 ( 0.005 ms): sleep/4102 mmap(len: 3932736, prot: EXEC|READ, flags: PRIVATE|DENYWRITE, fd: 3 ) = 0x7f89d0605000 +#! 0.115 ( 0.005 ms): sleep/4102 open(filename: 0xd09e2ab2, flags: CLOEXEC ) = + +export RE_LINE_TRACE_ONE_PROC="^\s*$RE_NUMBER\s*\(\s*$RE_NUMBER\s*ms\s*\):\s*\w+\(.*\)\s+=\s+(?:\-?$RE_NUMBER|0x$RE_NUMBER_HEX).*$" +# A line of perf-trace output +# Examples: +# 0.115 ( 0.005 ms): open(filename: 0xd09e2ab2, flags: CLOEXEC ) = 3 +# 0.157 ( 0.005 ms): mmap(len: 3932736, prot: EXEC|READ, flags: PRIVATE|DENYWRITE, fd: 3 ) = 0x7f89d0605000 +#! 0.115 ( 0.005 ms): open(filename: 0xd09e2ab2, flags: CLOEXEC ) = + +export RE_LINE_TRACE_CONTINUED="^\s*(:?$RE_NUMBER|\?)\s*\(\s*($RE_NUMBER\s*ms\s*)?\):\s*($RE_PROCESS_PID\s*)?\.\.\.\s*\[continued\]:\s+\w+\(\).*\s+=\s+(?:\-?$RE_NUMBER|0x$RE_NUMBER_HEX).*$" +# A line of perf-trace output +# Examples: +# 0.000 ( 0.000 ms): ... [continued]: nanosleep()) = 0 +# 0.000 ( 0.000 ms): ... [continued]: nanosleep()) = 0x00000000 +# ? ( ): packagekitd/94838 ... [continued]: poll()) = 0 (Timeout) +#! 0.000 ( 0.000 ms): ... [continued]: nanosleep()) = + +export RE_LINE_TRACE_UNFINISHED="^\s*$RE_NUMBER\s*\(\s*\):\s*$RE_PROCESS_PID\s+.*\)\s+\.\.\.\s*$" +# A line of perf-trace output +# Examples: +# 901.040 ( ): in:imjournal/1096 ppoll(ufds: 0x7f701a5adb70, nfds: 1, tsp: 0x7f701a5adaf0, sigsetsize: 8) ... +# 613.727 ( ): gmain/1099 poll(ufds: 0x56248f6b64b0, nfds: 2, timeout_msecs: 3996) ... + +export RE_LINE_TRACE_SUMMARY_HEADER="\s*syscall\s+calls\s+(?:errors\s+)?total\s+min\s+avg\s+max\s+stddev" +# A header of a perf-trace summary table +# Example: +# syscall calls total min avg max stddev +# syscall calls errors total min avg max stddev + + +export RE_LINE_TRACE_SUMMARY_CONTENT="^\s*\w+\s+(?:$RE_NUMBER\s+){5,6}$RE_NUMBER%" +# A line of a perf-trace summary table +# Example: +# open 3 0.017 0.005 0.006 0.007 10.90% +# openat 2 0 0.017 0.008 0.009 0.010 12.29% + + +export RE_LINE_REPORT_CONTENT="^\s+$RE_NUMBER%\s+\w+\s+\S+\s+\S+\s+\S+" # FIXME +# A line from typicap perf report --stdio output +# Example: +# 100.00% sleep [kernel.vmlinux] [k] syscall_return_slowpath + + +export RE_TASK="\s+[\w~\/ \.\+:#-]+(?:\[-1(?:\/\d+)?\]|\[\d+(?:\/\d+)?\])" +# A name of a task used for perf sched timehist -s +# Example: +# sleep[62755] +# runtest.sh[62762] +# gmain[705/682] +# xfsaild/dm-0[495] +# kworker/u8:1-ev[62714] +# :-1[-1/62756] +# :-1[-1] +# :-1[62756] + + +export RE_SEGFAULT=".*(?:Segmentation\sfault|SIGSEGV|\score\s|dumped|segfault).*" +# Possible variations of the segfault message +# Example: +# /bin/bash: line 1: 32 Segmentation fault timeout 15s +# Segmentation fault (core dumped) +# Program terminated with signal SIGSEGV +#! WARNING: 12323431 isn't a 'cpu_core', please use a CPU list in the 'cpu_core' range (0-15) diff --git a/tools/perf/tests/shell/common/settings.sh b/tools/perf/tests/shell/common/settings.sh new file mode 100644 index 000000000000..cba1b338f96f --- /dev/null +++ b/tools/perf/tests/shell/common/settings.sh @@ -0,0 +1,105 @@ +# SPDX-License-Identifier: GPL-2.0 +# +# settings.sh +# Author: Michael Petlan <mpetlan@redhat.com> +# +# Description: +# +# This file contains global settings for the whole testsuite. +# Its purpose is to make it easier when it is necessary i.e. to +# change the usual sample command which is used in all of the tests +# in many files. +# +# This file is intended to be sourced in the tests. +# + +#### which perf to use in the testing +export CMD_PERF=${CMD_PERF:-`which perf`} + +#### basic programs examinated by perf +export CMD_BASIC_SLEEP="sleep 0.1" +export CMD_QUICK_SLEEP="sleep 0.01" +export CMD_LONGER_SLEEP="sleep 2" +export CMD_DOUBLE_LONGER_SLEEP="sleep 4" +export CMD_VERY_LONG_SLEEP="sleep 30" +export CMD_SIMPLE="true" + +#### testsuite run mode +# define constants: +export RUNMODE_BASIC=0 +export RUNMODE_STANDARD=1 +export RUNMODE_EXPERIMENTAL=2 +# default runmode is STANDARD +export PERFTOOL_TESTSUITE_RUNMODE=${PERFTOOL_TESTSUITE_RUNMODE:-$RUNMODE_STANDARD} + +#### common settings +export TESTLOG_VERBOSITY=${TESTLOG_VERBOSITY:-2} +export TESTLOG_FORCE_COLOR=${TESTLOG_FORCE_COLOR:-n} +export TESTLOG_ERR_MSG_MAX_LINES=${TESTLOG_ERR_MSG_MAX_LINES:-20} +export TESTLOG_CLEAN=${TESTLOG_CLEAN:-y} + +#### other environment-related settings +export TEST_IGNORE_MISSING_PMU=${TEST_IGNORE_MISSING_PMU:-n} + +#### clear locale +export LC_ALL=C + +#### colors +if [ -t 1 ] || [ "$TESTLOG_FORCE_COLOR" = "yes" ]; then + export MPASS="\e[32m" + export MALLPASS="\e[1;32m" + export MFAIL="\e[31m" + export MALLFAIL="\e[1;31m" + export MWARN="\e[1;35m" + export MSKIP="\e[33m" + export MHIGH="\e[1;33m" + export MEND="\e[m" +else + export MPASS="" + export MALLPASS="" + export MFAIL="" + export MALLFAIL="" + export MWARN="" + export MSKIP="" + export MHIGH="" + export MEND="" +fi + +### general info +DIR_PATH=`dirname "$(readlink -e "$0")"` + +TEST_NAME=`basename $DIR_PATH | sed 's/base/perf/'`; export TEST_NAME +MY_ARCH=`arch`; export MY_ARCH + +# storing logs and temporary files variables +if [ -n "$PERFSUITE_RUN_DIR" ]; then + # when $PERFSUITE_RUN_DIR is set to something, all the logs and temp files will be placed there + # --> the $PERFSUITE_RUN_DIR/perf_something/examples and $PERFSUITE_RUN_DIR/perf_something/logs + # dirs will be used for that + PERFSUITE_RUN_DIR=`readlink -f $PERFSUITE_RUN_DIR`; export PERFSUITE_RUN_DIR + export CURRENT_TEST_DIR="$PERFSUITE_RUN_DIR/$TEST_NAME" + export MAKE_TARGET_DIR="$CURRENT_TEST_DIR/examples" + export LOGS_DIR="$CURRENT_TEST_DIR/logs" + export HEADER_TAR_DIR="$CURRENT_TEST_DIR/header_tar" + test -d "$CURRENT_TEST_DIR" || mkdir -p "$CURRENT_TEST_DIR" + test -d "$LOGS_DIR" || mkdir -p "$LOGS_DIR" +else + # when $PERFSUITE_RUN_DIR is not set, logs will be placed here + export CURRENT_TEST_DIR="." + export LOGS_DIR="." + export HEADER_TAR_DIR="./header_tar" +fi + + +#### test parametrization +if [ ! -d ./common ]; then + # set parameters based on runmode + if [ -f ../common/parametrization.$PERFTOOL_TESTSUITE_RUNMODE.sh ]; then + # shellcheck source=/dev/null + . ../common/parametrization.$PERFTOOL_TESTSUITE_RUNMODE.sh + fi + # if some parameters haven't been set until now, set them to default + if [ -f ../common/parametrization.sh ]; then + . ../common/parametrization.sh + fi +fi diff --git a/tools/perf/tests/shell/coresight/Makefile b/tools/perf/tests/shell/coresight/Makefile index b070e779703e..fa08fd9a5991 100644 --- a/tools/perf/tests/shell/coresight/Makefile +++ b/tools/perf/tests/shell/coresight/Makefile @@ -24,6 +24,6 @@ CLEANDIRS = $(SUBDIRS:%=clean-%) clean: $(CLEANDIRS) $(CLEANDIRS): - $(call QUIET_CLEAN, test-$(@:clean-%=%)) $(Q)$(MAKE) -C $(@:clean-%=%) clean >/dev/null + $(call QUIET_CLEAN, test-$(@:clean-%=%)) $(MAKE) -C $(@:clean-%=%) clean >/dev/null .PHONY: all clean $(SUBDIRS) $(CLEANDIRS) $(INSTALLDIRS) diff --git a/tools/perf/tests/shell/coresight/asm_pure_loop.sh b/tools/perf/tests/shell/coresight/asm_pure_loop.sh index 569e9d46162b..0301904b9637 100755 --- a/tools/perf/tests/shell/coresight/asm_pure_loop.sh +++ b/tools/perf/tests/shell/coresight/asm_pure_loop.sh @@ -1,13 +1,17 @@ -#!/bin/sh -e -# CoreSight / ASM Pure Loop +#!/bin/bash -e +# CoreSight / ASM Pure Loop (exclusive) # SPDX-License-Identifier: GPL-2.0 # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="asm_pure_loop" -. $(dirname $0)/../lib/coresight.sh + +# shellcheck source=../lib/coresight.sh +. "$(dirname $0)"/../lib/coresight.sh + ARGS="" DATV="out" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS diff --git a/tools/perf/tests/shell/coresight/asm_pure_loop/asm_pure_loop.S b/tools/perf/tests/shell/coresight/asm_pure_loop/asm_pure_loop.S index 75cf084a927d..577760046772 100644 --- a/tools/perf/tests/shell/coresight/asm_pure_loop/asm_pure_loop.S +++ b/tools/perf/tests/shell/coresight/asm_pure_loop/asm_pure_loop.S @@ -26,3 +26,5 @@ skip: mov x0, #0 mov x8, #93 // __NR_exit syscall svc #0 + +.section .note.GNU-stack, "", @progbits diff --git a/tools/perf/tests/shell/coresight/memcpy_thread/memcpy_thread.c b/tools/perf/tests/shell/coresight/memcpy_thread/memcpy_thread.c index a7e169d1bf64..7e879217be30 100644 --- a/tools/perf/tests/shell/coresight/memcpy_thread/memcpy_thread.c +++ b/tools/perf/tests/shell/coresight/memcpy_thread/memcpy_thread.c @@ -27,6 +27,8 @@ static void *thrfn(void *arg) } for (i = 0; i < len; i++) memcpy(dst, src, a->size * 1024); + + return NULL; } static pthread_t new_thr(void *(*fn) (void *arg), void *arg) @@ -42,7 +44,6 @@ static pthread_t new_thr(void *(*fn) (void *arg), void *arg) int main(int argc, char **argv) { unsigned long i, len, size, thr; - pthread_t threads[256]; struct args args[256]; long long v; diff --git a/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh b/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh index d21ba8545938..1f765d69acc3 100755 --- a/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh +++ b/tools/perf/tests/shell/coresight/memcpy_thread_16k_10.sh @@ -1,13 +1,17 @@ -#!/bin/sh -e -# CoreSight / Memcpy 16k 10 Threads +#!/bin/bash -e +# CoreSight / Memcpy 16k 10 Threads (exclusive) # SPDX-License-Identifier: GPL-2.0 # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="memcpy_thread" -. $(dirname $0)/../lib/coresight.sh + +# shellcheck source=../lib/coresight.sh +. "$(dirname $0)"/../lib/coresight.sh + ARGS="16 10 1" DATV="16k_10" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS diff --git a/tools/perf/tests/shell/coresight/thread_loop/thread_loop.c b/tools/perf/tests/shell/coresight/thread_loop/thread_loop.c index c0158fac7d0b..86f3f548b006 100644 --- a/tools/perf/tests/shell/coresight/thread_loop/thread_loop.c +++ b/tools/perf/tests/shell/coresight/thread_loop/thread_loop.c @@ -34,8 +34,8 @@ static void *thrfn(void *arg) } asm volatile( "loop:\n" - "add %[i], %[i], #1\n" - "cmp %[i], %[len]\n" + "add %w[i], %w[i], #1\n" + "cmp %w[i], %w[len]\n" "blt loop\n" : /* out */ : /* in */ [i] "r" (i), [len] "r" (len) @@ -57,7 +57,6 @@ static pthread_t new_thr(void *(*fn) (void *arg), void *arg) int main(int argc, char **argv) { unsigned int i, len, thr; - pthread_t threads[256]; struct args args[256]; if (argc < 3) { diff --git a/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh b/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh index 7c13636fc778..7f43a93a2ac2 100755 --- a/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh +++ b/tools/perf/tests/shell/coresight/thread_loop_check_tid_10.sh @@ -1,13 +1,17 @@ -#!/bin/sh -e -# CoreSight / Thread Loop 10 Threads - Check TID +#!/bin/bash -e +# CoreSight / Thread Loop 10 Threads - Check TID (exclusive) # SPDX-License-Identifier: GPL-2.0 # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="thread_loop" -. $(dirname $0)/../lib/coresight.sh + +# shellcheck source=../lib/coresight.sh +. "$(dirname $0)"/../lib/coresight.sh + ARGS="10 1" DATV="check-tid-10th" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" STDO="$DATD/perf-$TEST-$DATV.stdout" diff --git a/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh b/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh index a067145af43c..a94d2079ed06 100755 --- a/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh +++ b/tools/perf/tests/shell/coresight/thread_loop_check_tid_2.sh @@ -1,13 +1,17 @@ -#!/bin/sh -e -# CoreSight / Thread Loop 2 Threads - Check TID +#!/bin/bash -e +# CoreSight / Thread Loop 2 Threads - Check TID (exclusive) # SPDX-License-Identifier: GPL-2.0 # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="thread_loop" -. $(dirname $0)/../lib/coresight.sh + +# shellcheck source=../lib/coresight.sh +. "$(dirname $0)"/../lib/coresight.sh + ARGS="2 20" DATV="check-tid-2th" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" STDO="$DATD/perf-$TEST-$DATV.stdout" diff --git a/tools/perf/tests/shell/coresight/unroll_loop_thread/unroll_loop_thread.c b/tools/perf/tests/shell/coresight/unroll_loop_thread/unroll_loop_thread.c index 8f6d384208ed..8f4e1c985ca3 100644 --- a/tools/perf/tests/shell/coresight/unroll_loop_thread/unroll_loop_thread.c +++ b/tools/perf/tests/shell/coresight/unroll_loop_thread/unroll_loop_thread.c @@ -20,7 +20,7 @@ static void *thrfn(void *arg) for (i = 0; i < 10000; i++) { asm volatile ( // force an unroll of thia add instruction so we can test long runs of code -#define SNIP1 "add %[in], %[in], #1\n" +#define SNIP1 "add %w[in], %w[in], #1\n" // 10 #define SNIP2 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 SNIP1 // 100 @@ -36,6 +36,8 @@ static void *thrfn(void *arg) : /* clobber */ ); } + + return NULL; } static pthread_t new_thr(void *(*fn) (void *arg), void *arg) @@ -51,7 +53,6 @@ static pthread_t new_thr(void *(*fn) (void *arg), void *arg) int main(int argc, char **argv) { unsigned int i, thr; - pthread_t threads[256]; struct args args[256]; if (argc < 2) { diff --git a/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh b/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh index f48c85230b15..cb3e97a0a89f 100755 --- a/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh +++ b/tools/perf/tests/shell/coresight/unroll_loop_thread_10.sh @@ -1,13 +1,17 @@ -#!/bin/sh -e -# CoreSight / Unroll Loop Thread 10 +#!/bin/bash -e +# CoreSight / Unroll Loop Thread 10 (exclusive) # SPDX-License-Identifier: GPL-2.0 # Carsten Haitzler <carsten.haitzler@arm.com>, 2021 TEST="unroll_loop_thread" -. $(dirname $0)/../lib/coresight.sh + +# shellcheck source=../lib/coresight.sh +. "$(dirname $0)"/../lib/coresight.sh + ARGS="10" DATV="10" +# shellcheck disable=SC2153 DATA="$DATD/perf-$TEST-$DATV.data" perf record $PERFRECOPT -o "$DATA" "$BIN" $ARGS diff --git a/tools/perf/tests/shell/daemon.sh b/tools/perf/tests/shell/daemon.sh index 45fc24af5b07..e5fa8d6f9eb1 100755 --- a/tools/perf/tests/shell/daemon.sh +++ b/tools/perf/tests/shell/daemon.sh @@ -11,11 +11,16 @@ check_line_first() local lock=$5 local up=$6 - local line_name=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $2 }'` - local line_base=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $3 }'` - local line_output=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $4 }'` - local line_lock=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $5 }'` - local line_up=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $6 }'` + local line_name + line_name=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $2 }'` + local line_base + line_base=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $3 }'` + local line_output + line_output=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $4 }'` + local line_lock + line_lock=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $5 }'` + local line_up + line_up=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $6 }'` if [ "${name}" != "${line_name}" ]; then echo "FAILED: wrong name" @@ -54,13 +59,20 @@ check_line_other() local ack=$7 local up=$8 - local line_name=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $2 }'` - local line_run=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $3 }'` - local line_base=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $4 }'` - local line_output=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $5 }'` - local line_control=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $6 }'` - local line_ack=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $7 }'` - local line_up=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $8 }'` + local line_name + line_name=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $2 }'` + local line_run + line_run=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $3 }'` + local line_base + line_base=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $4 }'` + local line_output + line_output=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $5 }'` + local line_control + line_control=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $6 }'` + local line_ack + line_ack=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $7 }'` + local line_up + line_up=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $8 }'` if [ "${name}" != "${line_name}" ]; then echo "FAILED: wrong name" @@ -102,8 +114,10 @@ daemon_exit() { local config=$1 - local line=`perf daemon --config ${config} -x: | head -1` - local pid=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $1 }'` + local line + line=`perf daemon --config ${config} -x: | head -1` + local pid + pid=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $1 }'` # Reset trap handler. trap - SIGINT SIGTERM @@ -123,7 +137,7 @@ daemon_start() perf daemon start --config ${config} # Clean up daemon if interrupted. - trap "echo 'FAILED: Signal caught'; daemon_exit ${config}; exit 1" SIGINT SIGTERM + trap 'echo "FAILED: Signal caught"; daemon_exit "${config}"; exit 1' SIGINT SIGTERM # wait for the session to ping local state="FAIL" @@ -144,8 +158,10 @@ test_list() { echo "test daemon list" - local config=$(mktemp /tmp/perf.daemon.config.XXX) - local base=$(mktemp -d /tmp/perf.daemon.base.XXX) + local config + config=$(mktemp /tmp/perf.daemon.config.XXX) + local base + base=$(mktemp -d /tmp/perf.daemon.base.XXX) cat <<EOF > ${config} [daemon] @@ -165,19 +181,22 @@ EOF # check first line # pid:daemon:base:base/output:base/lock - local line=`perf daemon --config ${config} -x: | head -1` + local line + line=`perf daemon --config ${config} -x: | head -1` check_line_first ${line} daemon ${base} ${base}/output ${base}/lock "0" # check 1st session # pid:size:-e cpu-clock:base/size:base/size/output:base/size/control:base/size/ack:0 - local line=`perf daemon --config ${config} -x: | head -2 | tail -1` + local line + line=`perf daemon --config ${config} -x: | head -2 | tail -1` check_line_other "${line}" size "-e cpu-clock -m 1 sleep 10" ${base}/session-size \ ${base}/session-size/output ${base}/session-size/control \ ${base}/session-size/ack "0" # check 2nd session # pid:time:-e task-clock:base/time:base/time/output:base/time/control:base/time/ack:0 - local line=`perf daemon --config ${config} -x: | head -3 | tail -1` + local line + line=`perf daemon --config ${config} -x: | head -3 | tail -1` check_line_other "${line}" time "-e task-clock -m 1 sleep 10" ${base}/session-time \ ${base}/session-time/output ${base}/session-time/control \ ${base}/session-time/ack "0" @@ -193,8 +212,10 @@ test_reconfig() { echo "test daemon reconfig" - local config=$(mktemp /tmp/perf.daemon.config.XXX) - local base=$(mktemp -d /tmp/perf.daemon.base.XXX) + local config + config=$(mktemp /tmp/perf.daemon.config.XXX) + local base + base=$(mktemp -d /tmp/perf.daemon.base.XXX) # prepare config cat <<EOF > ${config} @@ -215,10 +236,12 @@ EOF # check 2nd session # pid:time:-e task-clock:base/time:base/time/output:base/time/control:base/time/ack:0 - local line=`perf daemon --config ${config} -x: | head -3 | tail -1` + local line + line=`perf daemon --config ${config} -x: | head -3 | tail -1` check_line_other "${line}" time "-e task-clock -m 1 sleep 10" ${base}/session-time \ ${base}/session-time/output ${base}/session-time/control ${base}/session-time/ack "0" - local pid=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $1 }'` + local pid + pid=`echo "${line}" | awk 'BEGIN { FS = ":" } ; { print $1 }'` # prepare new config local config_new=${config}.new @@ -249,7 +272,8 @@ EOF # check reconfigured 2nd session # pid:time:-e task-clock:base/time:base/time/output:base/time/control:base/time/ack:0 - local line=`perf daemon --config ${config} -x: | head -3 | tail -1` + local line + line=`perf daemon --config ${config} -x: | head -3 | tail -1` check_line_other "${line}" time "-e cpu-clock -m 1 sleep 10" ${base}/session-time \ ${base}/session-time/output ${base}/session-time/control ${base}/session-time/ack "0" @@ -276,7 +300,8 @@ EOF state=`perf daemon ping --config ${config} --session size | awk '{ print $1 }'` done - local one=`perf daemon --config ${config} -x: | wc -l` + local one + one=`perf daemon --config ${config} -x: | wc -l` if [ ${one} -ne "1" ]; then echo "FAILED: wrong list output" @@ -312,8 +337,10 @@ test_stop() { echo "test daemon stop" - local config=$(mktemp /tmp/perf.daemon.config.XXX) - local base=$(mktemp -d /tmp/perf.daemon.base.XXX) + local config + config=$(mktemp /tmp/perf.daemon.config.XXX) + local base + base=$(mktemp -d /tmp/perf.daemon.base.XXX) # prepare config cat <<EOF > ${config} @@ -332,8 +359,12 @@ EOF # start daemon daemon_start ${config} size - local pid_size=`perf daemon --config ${config} -x: | head -2 | tail -1 | awk 'BEGIN { FS = ":" } ; { print $1 }'` - local pid_time=`perf daemon --config ${config} -x: | head -3 | tail -1 | awk 'BEGIN { FS = ":" } ; { print $1 }'` + local pid_size + pid_size=`perf daemon --config ${config} -x: | head -2 | tail -1 | + awk 'BEGIN { FS = ":" } ; { print $1 }'` + local pid_time + pid_time=`perf daemon --config ${config} -x: | head -3 | tail -1 | + awk 'BEGIN { FS = ":" } ; { print $1 }'` # check that sessions are running if [ ! -d "/proc/${pid_size}" ]; then @@ -364,8 +395,10 @@ test_signal() { echo "test daemon signal" - local config=$(mktemp /tmp/perf.daemon.config.XXX) - local base=$(mktemp -d /tmp/perf.daemon.base.XXX) + local config + config=$(mktemp /tmp/perf.daemon.config.XXX) + local base + base=$(mktemp -d /tmp/perf.daemon.base.XXX) # prepare config cat <<EOF > ${config} @@ -381,16 +414,30 @@ EOF # start daemon daemon_start ${config} test - # send 2 signals - perf daemon signal --config ${config} --session test - perf daemon signal --config ${config} - - # stop daemon - daemon_exit ${config} - - # count is 2 perf.data for signals and 1 for perf record finished - count=`ls ${base}/session-test/ | grep perf.data | wc -l` - if [ ${count} -ne 3 ]; then + # send 2 signals then exit. Do this in a loop watching the number of + # files to avoid races. If the loop retries more than 600 times then + # give up. + local retries=0 + local signals=0 + local success=0 + while [ ${retries} -lt 600 ] && [ ${success} -eq 0 ]; do + local files + files=`ls ${base}/session-test/*perf.data* 2> /dev/null | wc -l` + if [ ${signals} -eq 0 ]; then + perf daemon signal --config ${config} --session test + signals=1 + elif [ ${signals} -eq 1 ] && [ $files -ge 1 ]; then + perf daemon signal --config ${config} + signals=2 + elif [ ${signals} -eq 2 ] && [ $files -ge 2 ]; then + daemon_exit ${config} + signals=3 + elif [ ${signals} -eq 3 ] && [ $files -ge 3 ]; then + success=1 + fi + retries=$((${retries} +1)) + done + if [ ${success} -eq 0 ]; then error=1 echo "FAILED: perf data no generated" fi @@ -403,8 +450,10 @@ test_ping() { echo "test daemon ping" - local config=$(mktemp /tmp/perf.daemon.config.XXX) - local base=$(mktemp -d /tmp/perf.daemon.base.XXX) + local config + config=$(mktemp /tmp/perf.daemon.config.XXX) + local base + base=$(mktemp -d /tmp/perf.daemon.base.XXX) # prepare config cat <<EOF > ${config} @@ -426,7 +475,7 @@ EOF size=`perf daemon ping --config ${config} --session size | awk '{ print $1 }'` type=`perf daemon ping --config ${config} --session time | awk '{ print $1 }'` - if [ ${size} != "OK" -o ${type} != "OK" ]; then + if [ ${size} != "OK" ] || [ ${type} != "OK" ]; then error=1 echo "FAILED: daemon ping failed" fi @@ -442,8 +491,10 @@ test_lock() { echo "test daemon lock" - local config=$(mktemp /tmp/perf.daemon.config.XXX) - local base=$(mktemp -d /tmp/perf.daemon.base.XXX) + local config + config=$(mktemp /tmp/perf.daemon.config.XXX) + local base + base=$(mktemp -d /tmp/perf.daemon.base.XXX) # prepare config cat <<EOF > ${config} diff --git a/tools/perf/tests/shell/diff.sh b/tools/perf/tests/shell/diff.sh new file mode 100755 index 000000000000..fe05fdebcab5 --- /dev/null +++ b/tools/perf/tests/shell/diff.sh @@ -0,0 +1,108 @@ +#!/bin/bash +# perf diff tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata1=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +perfdata2=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +perfdata3=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +testprog="perf test -w thloop" + +shelldir=$(dirname "$0") +# shellcheck source=lib/perf_has_symbol.sh +. "${shelldir}"/lib/perf_has_symbol.sh + +testsym="test_loop" + +skip_test_missing_symbol ${testsym} + +cleanup() { + rm -rf "${perfdata1}" + rm -rf "${perfdata1}".old + rm -rf "${perfdata2}" + rm -rf "${perfdata2}".old + rm -rf "${perfdata3}" + rm -rf "${perfdata3}".old + + trap - EXIT TERM INT +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +make_data() { + file="$1" + if ! perf record -o "${file}" ${testprog} 2> /dev/null + then + echo "Workload record [Failed record]" >&2 + echo 1 + return + fi + if ! perf report -i "${file}" -q | grep -q "${testsym}" + then + echo "Workload record [Failed missing output]" >&2 + echo 1 + return + fi + echo 0 +} + +test_two_files() { + echo "Basic two file diff test" + err=$(make_data "${perfdata1}") + if [ "$err" != 0 ] + then + return + fi + err=$(make_data "${perfdata2}") + if [ "$err" != 0 ] + then + return + fi + + if ! perf diff "${perfdata1}" "${perfdata2}" | grep -q "${testsym}" + then + echo "Basic two file diff test [Failed diff]" + err=1 + return + fi + echo "Basic two file diff test [Success]" +} + +test_three_files() { + echo "Basic three file diff test" + err=$(make_data "${perfdata1}") + if [ "$err" != 0 ] + then + return + fi + err=$(make_data "${perfdata2}") + if [ "$err" != 0 ] + then + return + fi + err=$(make_data "${perfdata3}") + if [ $err != 0 ] + then + return + fi + + if ! perf diff "${perfdata1}" "${perfdata2}" "${perfdata3}" | grep -q "${testsym}" + then + echo "Basic three file diff test [Failed diff]" + err=1 + return + fi + echo "Basic three file diff test [Success]" +} + +test_two_files +test_three_files + +cleanup +exit $err diff --git a/tools/perf/tests/shell/drm_pmu.sh b/tools/perf/tests/shell/drm_pmu.sh new file mode 100755 index 000000000000..e629fe0e8463 --- /dev/null +++ b/tools/perf/tests/shell/drm_pmu.sh @@ -0,0 +1,78 @@ +#!/bin/bash +# DRM PMU +# SPDX-License-Identifier: GPL-2.0 + +set -e + +output=$(mktemp /tmp/perf.drm_pmu.XXXXXX.txt) + +cleanup() { + rm -f "${output}" + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +# Array to store file descriptors and device names +declare -A device_fds + +# Open all devices and store file descriptors. Opening the device will create a +# /proc/$$/fdinfo file containing the DRM statistics. +fd_count=3 # Start with file descriptor 3 +for device in /dev/dri/* +do + if [[ ! -c "$device" ]] + then + continue + fi + major=$(stat -c "%Hr" "$device") + if [[ "$major" != 226 ]] + then + continue + fi + echo "Opening $device" + eval "exec $fd_count<\"$device\"" + echo "fdinfo for: $device (FD: $fd_count)" + cat "/proc/$$/fdinfo/$fd_count" + echo + device_fds["$device"]="$fd_count" + fd_count=$((fd_count + 1)) +done + +if [[ ${#device_fds[@]} -eq 0 ]] +then + echo "No DRM devices found [Skip]" + cleanup + exit 2 +fi + +# For each DRM event +err=0 +for p in $(perf list --raw-dump drm-) +do + echo -n "Testing perf stat of $p. " + perf stat -e "$p" --pid=$$ true > "$output" 2>&1 + if ! grep -q "$p" "$output" + then + echo "Missing DRM event in: [Failed]" + cat "$output" + err=1 + else + echo "[OK]" + fi +done + +# Close all file descriptors +for fd in "${device_fds[@]}"; do + eval "exec $fd<&-" +done + +# Finished +cleanup +exit $err diff --git a/tools/perf/tests/shell/evlist.sh b/tools/perf/tests/shell/evlist.sh new file mode 100755 index 000000000000..140f099e75c1 --- /dev/null +++ b/tools/perf/tests/shell/evlist.sh @@ -0,0 +1,79 @@ +#!/bin/bash +# perf evlist tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) + +cleanup() { + rm -f "${perfdata}" + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_evlist_simple() { + echo "Simple evlist test" + if ! perf record -e cycles -o "${perfdata}" true 2> /dev/null + then + echo "Simple evlist [Failed record]" + err=1 + return + fi + if ! perf evlist -i "${perfdata}" | grep -q "cycles" + then + echo "Simple evlist [Failed to list event]" + err=1 + return + fi + echo "Simple evlist test [Success]" +} + +test_evlist_group() { + echo "Group evlist test" + if ! perf record -e "{cycles,instructions}" -o "${perfdata}" true 2> /dev/null + then + echo "Group evlist [Skipped event group recording failed]" + return + fi + + if ! perf evlist -i "${perfdata}" -g | grep -q "{.*cycles.*,.*instructions.*}" + then + echo "Group evlist [Failed to list event group]" + err=1 + return + fi + echo "Group evlist test [Success]" +} + +test_evlist_verbose() { + echo "Event configuration evlist test" + if ! perf record -e cycles -o "${perfdata}" true 2> /dev/null + then + echo "Event configuration evlist [Failed record]" + err=1 + return + fi + + if ! perf evlist -i "${perfdata}" -v | grep -q "config:" + then + echo "Event configuration evlist [Failed to list verbose info]" + err=1 + return + fi + echo "Event configuration evlist test [Success]" +} + +test_evlist_simple +test_evlist_group +test_evlist_verbose + +cleanup +exit $err diff --git a/tools/perf/tests/shell/ftrace.sh b/tools/perf/tests/shell/ftrace.sh new file mode 100755 index 000000000000..7f8aafcbb761 --- /dev/null +++ b/tools/perf/tests/shell/ftrace.sh @@ -0,0 +1,86 @@ +#!/bin/bash +# perf ftrace tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +# perf ftrace commands only works for root +if [ "$(id -u)" != 0 ]; then + echo "perf ftrace test [Skipped: no permission]" + exit 2 +fi + +output=$(mktemp /tmp/__perf_test.ftrace.XXXXXX) + +cleanup() { + rm -f "${output}" + + trap - EXIT TERM INT +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +# this will be set in test_ftrace_trace() +target_function= + +test_ftrace_list() { + echo "perf ftrace list test" + perf ftrace -F > "${output}" + # this will be used in test_ftrace_trace() + sleep_functions=$(grep 'sys_.*sleep$' "${output}") + echo "syscalls for sleep:" + echo "${sleep_functions}" + echo "perf ftrace list test [Success]" +} + +test_ftrace_trace() { + echo "perf ftrace trace test" + perf ftrace trace --graph-opts depth=5 sleep 0.1 > "${output}" + # it should have some function name contains 'sleep' + grep "^#" "${output}" + grep -F 'sleep()' "${output}" + # find actual syscall function name + for FN in ${sleep_functions}; do + if grep -q "${FN}" "${output}"; then + target_function="${FN}" + echo "perf ftrace trace test [Success]" + return + fi + done + + echo "perf ftrace trace test [Failure: sleep syscall not found]" + exit 1 +} + +test_ftrace_latency() { + echo "perf ftrace latency test" + echo "target function: ${target_function}" + perf ftrace latency -T "${target_function}" sleep 0.1 > "${output}" + grep "^#" "${output}" + grep "###" "${output}" + echo "perf ftrace latency test [Success]" +} + +test_ftrace_profile() { + echo "perf ftrace profile test" + perf ftrace profile --graph-opts depth=5 sleep 0.1 > "${output}" + grep ^# "${output}" + time_re="[[:space:]]+1[[:digit:]]{5}\.[[:digit:]]{3}" + # 100283.000 100283.000 100283.000 1 __x64_sys_clock_nanosleep + # Check for one *clock_nanosleep line with a Count of just 1 that takes a bit more than 0.1 seconds + # Strip the _x64_sys part to work with other architectures + grep -E "^${time_re}${time_re}${time_re}[[:space:]]+1[[:space:]]+.*clock_nanosleep" "${output}" + echo "perf ftrace profile test [Success]" +} + +test_ftrace_list +test_ftrace_trace +test_ftrace_latency +test_ftrace_profile + +cleanup +exit 0 diff --git a/tools/perf/tests/shell/header.sh b/tools/perf/tests/shell/header.sh new file mode 100755 index 000000000000..e1628ac0a614 --- /dev/null +++ b/tools/perf/tests/shell/header.sh @@ -0,0 +1,74 @@ +#!/bin/bash +# perf header tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_test_header.perf.data.XXXXX) +script_output=$(mktemp /tmp/__perf_test_header.perf.data.XXXXX.script) + +cleanup() { + rm -f "${perfdata}" + rm -f "${perfdata}".old + rm -f "${script_output}" + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +check_header_output() { + declare -a fields=( + "captured" + "hostname" + "os release" + "arch" + "cpuid" + "nrcpus" + "event" + "cmdline" + "perf version" + "sibling (cores|dies|threads)" + "sibling threads" + "total memory" + ) + for i in "${fields[@]}" + do + if ! grep -q -E "$i" "${script_output}" + then + echo "Failed to find expected $i in output" + err=1 + fi + done +} + +test_file() { + echo "Test perf header file" + + perf record -o "${perfdata}" -- perf test -w noploop + perf report --header-only -I -i "${perfdata}" > "${script_output}" + check_header_output + + echo "Test perf header file [Done]" +} + +test_pipe() { + echo "Test perf header pipe" + + perf record -o - -- perf test -w noploop | perf report --header-only -I -i - > "${script_output}" + check_header_output + + echo "Test perf header pipe [Done]" +} + +test_file +test_pipe + +cleanup +exit $err diff --git a/tools/perf/tests/shell/jitdump-python.sh b/tools/perf/tests/shell/jitdump-python.sh new file mode 100755 index 000000000000..ae86203b14a2 --- /dev/null +++ b/tools/perf/tests/shell/jitdump-python.sh @@ -0,0 +1,81 @@ +#!/bin/bash +# python profiling with jitdump +# SPDX-License-Identifier: GPL-2.0 + +SHELLDIR=$(dirname $0) +# shellcheck source=lib/setup_python.sh +. "${SHELLDIR}"/lib/setup_python.sh + +OUTPUT=$(${PYTHON} -Xperf_jit -c 'import os, sys; print(os.getpid(), sys.is_stack_trampoline_active())' 2> /dev/null) +PID=${OUTPUT% *} +HAS_PERF_JIT=${OUTPUT#* } + +rm -f /tmp/jit-${PID}.dump 2> /dev/null +if [ "${HAS_PERF_JIT}" != "True" ]; then + echo "SKIP: python JIT dump is not available" + exit 2 +fi + +PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXXX) + +cleanup() { + echo "Cleaning up files..." + rm -f ${PERF_DATA} ${PERF_DATA}.jit /tmp/jit-${PID}.dump /tmp/jitted-${PID}-*.so 2> /dev/null + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected termination" + cleanup + exit 1 +} + +trap trap_cleanup EXIT TERM INT + +echo "Run python with -Xperf_jit" +cat <<EOF | perf record -k 1 -g --call-graph dwarf -o "${PERF_DATA}" \ + -- ${PYTHON} -Xperf_jit +def foo(n): + result = 0 + for _ in range(n): + result += 1 + return result + +def bar(n): + foo(n) + +def baz(n): + bar(n) + +if __name__ == "__main__": + baz(1000000) +EOF + +# extract PID of the target process from the data +_PID=$(perf report -i "${PERF_DATA}" -F pid -q -g none | cut -d: -f1 -s) +PID=$(echo -n $_PID) # remove newlines + +echo "Generate JIT-ed DSOs using perf inject" +DEBUGINFOD_URLS='' perf inject -i "${PERF_DATA}" -j -o "${PERF_DATA}.jit" + +echo "Add JIT-ed DSOs to the build-ID cache" +for F in /tmp/jitted-${PID}-*.so; do + perf buildid-cache -a "${F}" +done + +echo "Check the symbol containing the function/module name" +NUM=$(perf report -i "${PERF_DATA}.jit" -s sym | grep -cE 'py::(foo|bar|baz):<stdin>') + +echo "Found ${NUM} matching lines" + +echo "Remove JIT-ed DSOs from the build-ID cache" +for F in /tmp/jitted-${PID}-*.so; do + perf buildid-cache -r "${F}" +done + +cleanup + +if [ "${NUM}" -eq 0 ]; then + exit 1 +fi diff --git a/tools/perf/tests/shell/kallsyms.sh b/tools/perf/tests/shell/kallsyms.sh new file mode 100755 index 000000000000..d0eb99753f47 --- /dev/null +++ b/tools/perf/tests/shell/kallsyms.sh @@ -0,0 +1,56 @@ +#!/bin/bash +# perf kallsyms tests +# SPDX-License-Identifier: GPL-2.0 + +err=0 + +test_kallsyms() { + echo "Basic perf kallsyms test" + + # Check if /proc/kallsyms is readable + if [ ! -r /proc/kallsyms ]; then + echo "Basic perf kallsyms test [Skipped: /proc/kallsyms not readable]" + err=2 + return + fi + + # Use a symbol that is definitely a function and present in all kernels, e.g. schedule + symbol="schedule" + + # Run perf kallsyms + # It prints "address symbol_name" + output=$(perf kallsyms $symbol 2>&1) + ret=$? + + if [ $ret -ne 0 ] || [ -z "$output" ]; then + # If empty or failed, it might be due to permissions (kptr_restrict) + # Check if we can grep the symbol from /proc/kallsyms directly + if grep -q "$symbol" /proc/kallsyms 2>/dev/null; then + # If it's in /proc/kallsyms but perf kallsyms returned empty/error, + # it likely means perf couldn't parse it or access it correctly (e.g. kptr_restrict=2). + echo "Basic perf kallsyms test [Skipped: $symbol found in /proc/kallsyms but perf kallsyms failed (output: '$output')]" + err=2 + return + else + echo "Basic perf kallsyms test [Skipped: $symbol not found in /proc/kallsyms]" + err=2 + return + fi + fi + + if echo "$output" | grep -q "not found"; then + echo "Basic perf kallsyms test [Failed: output '$output' does not contain $symbol]" + err=1 + return + fi + + if perf kallsyms ErlingHaaland | grep -vq "not found"; then + echo "Basic perf kallsyms test [Failed: ErlingHaaland found in the output]" + err=1 + return + fi + echo "Basic perf kallsyms test [Success]" +} + +test_kallsyms +exit $err diff --git a/tools/perf/tests/shell/kvm.sh b/tools/perf/tests/shell/kvm.sh new file mode 100755 index 000000000000..2fafde1a29cc --- /dev/null +++ b/tools/perf/tests/shell/kvm.sh @@ -0,0 +1,154 @@ +#!/bin/bash +# perf kvm tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_kvm_test.perf.data.XXXXX) +qemu_pid_file=$(mktemp /tmp/__perf_kvm_test.qemu.pid.XXXXX) + +cleanup() { + rm -f "${perfdata}" + if [ -f "${qemu_pid_file}" ]; then + if [ -s "${qemu_pid_file}" ]; then + qemu_pid=$(cat "${qemu_pid_file}") + if [ -n "${qemu_pid}" ]; then + kill "${qemu_pid}" 2>/dev/null || true + fi + fi + rm -f "${qemu_pid_file}" + fi + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +skip() { + echo "Skip: $1" + cleanup + exit 2 +} + +test_kvm_stat() { + echo "Testing perf kvm stat" + + echo "Recording kvm events for pid ${qemu_pid}..." + if ! perf kvm stat record -p "${qemu_pid}" -o "${perfdata}" sleep 1; then + echo "Failed to record kvm events" + err=1 + return + fi + + echo "Reporting kvm events..." + if ! perf kvm -i "${perfdata}" stat report 2>&1 | grep -q "VM-EXIT"; then + echo "Failed to find VM-EXIT in report" + perf kvm -i "${perfdata}" stat report 2>&1 + err=1 + return + fi + + echo "perf kvm stat test [Success]" +} + +test_kvm_record_report() { + echo "Testing perf kvm record/report" + + echo "Recording kvm profile for pid ${qemu_pid}..." + # Use --host to avoid needing guest symbols/mounts for this simple test + # We just want to verify the command runs and produces data + # We run in background and kill it because 'perf kvm record' appends options + # after the command, which breaks 'sleep' (e.g. it gets '-e cycles'). + perf kvm --host record -p "${qemu_pid}" -o "${perfdata}" & + rec_pid=$! + sleep 1 + kill -INT "${rec_pid}" + wait "${rec_pid}" || true + + echo "Reporting kvm profile..." + # Check for some standard output from report + if ! perf kvm -i "${perfdata}" report --stdio 2>&1 | grep -q "Event count"; then + echo "Failed to report kvm profile" + perf kvm -i "${perfdata}" report --stdio 2>&1 + err=1 + return + fi + + echo "perf kvm record/report test [Success]" +} + +test_kvm_buildid_list() { + echo "Testing perf kvm buildid-list" + + # We reuse the perf.data from the previous record test + if ! perf kvm --host -i "${perfdata}" buildid-list 2>&1 | grep -q "."; then + echo "Failed to list buildids" + perf kvm --host -i "${perfdata}" buildid-list 2>&1 + err=1 + return + fi + + echo "perf kvm buildid-list test [Success]" +} + +setup_qemu() { + # Find qemu + if [ "$(uname -m)" = "x86_64" ]; then + qemu="qemu-system-x86_64" + elif [ "$(uname -m)" = "aarch64" ]; then + qemu="qemu-system-aarch64" + elif [ "$(uname -m)" = "s390x" ]; then + qemu="qemu-system-s390x" + elif [ "$(uname -m)" = "ppc64le" ]; then + qemu="qemu-system-ppc64" + else + qemu="qemu-system-$(uname -m)" + fi + + if ! which -s "$qemu"; then + skip "$qemu not found" + fi + + if [ ! -r /dev/kvm ] || [ ! -w /dev/kvm ]; then + skip "/dev/kvm not accessible" + fi + + if ! perf kvm stat record -a sleep 0.01 >/dev/null 2>&1; then + skip "No permission to record kvm events" + fi + + echo "Starting $qemu..." + # Start qemu in background, detached, with pidfile + # We use -display none -daemonize and a monitor to keep it alive/controllable if needed + # We don't need a real kernel, just KVM active. + if ! $qemu -enable-kvm -display none -daemonize -pidfile "${qemu_pid_file}" -monitor none; then + echo "Failed to start qemu" + err=1 + return + fi + + # Wait a bit for qemu to start + sleep 1 + qemu_pid=$(cat "${qemu_pid_file}") + + if ! kill -0 "${qemu_pid}" 2>/dev/null; then + echo "Qemu process failed to stay alive" + err=1 + return + fi +} + +setup_qemu +if [ $err -eq 0 ]; then + test_kvm_stat + test_kvm_record_report + test_kvm_buildid_list +fi + +cleanup +exit $err diff --git a/tools/perf/tests/attr.py b/tools/perf/tests/shell/lib/attr.py index ccfef861e931..bfccc727d9b2 100644 --- a/tools/perf/tests/attr.py +++ b/tools/perf/tests/shell/lib/attr.py @@ -1,7 +1,6 @@ # SPDX-License-Identifier: GPL-2.0 -from __future__ import print_function - +import configparser import os import sys import glob @@ -13,11 +12,6 @@ import re import shutil import subprocess -try: - import configparser -except ImportError: - import ConfigParser as configparser - def data_equal(a, b): # Allow multiple values in assignment separated by '|' a_list = a.split('|') @@ -152,7 +146,7 @@ def parse_version(version): # - expected values assignments class Test(object): def __init__(self, path, options): - parser = configparser.SafeConfigParser() + parser = configparser.ConfigParser() parser.read(path) log.warning("running '%s'" % path) @@ -246,8 +240,25 @@ class Test(object): return False return True + def restore_sample_rate(self, value=10000): + try: + # Check value of sample_rate + with open("/proc/sys/kernel/perf_event_max_sample_rate", "r") as fIn: + curr_value = fIn.readline() + # If too low restore to reasonable value + if not curr_value or int(curr_value) < int(value): + with open("/proc/sys/kernel/perf_event_max_sample_rate", "w") as fOut: + fOut.write(str(value)) + + except IOError as e: + log.warning("couldn't restore sample_rate value: I/O error %s" % e) + except ValueError as e: + log.warning("couldn't restore sample_rate value: Value error %s" % e) + except TypeError as e: + log.warning("couldn't restore sample_rate value: Type error %s" % e) + def load_events(self, path, events): - parser_event = configparser.SafeConfigParser() + parser_event = configparser.ConfigParser() parser_event.read(path) # The event record section header contains 'event' word, @@ -261,7 +272,7 @@ class Test(object): # Read parent event if there's any if (':' in section): base = section[section.index(':') + 1:] - parser_base = configparser.SafeConfigParser() + parser_base = configparser.ConfigParser() parser_base.read(self.test_dir + '/' + base) base_items = parser_base.items('event') @@ -283,6 +294,7 @@ class Test(object): if self.skip_test_kernel_until(): raise Notest(self, "new kernel skip") + self.restore_sample_rate() cmd = "PERF_TEST_ATTR=%s %s %s -o %s/perf.data %s" % (tempdir, self.perf, self.command, tempdir, self.args) ret = os.WEXITSTATUS(os.system(cmd)) diff --git a/tools/perf/tests/shell/lib/coresight.sh b/tools/perf/tests/shell/lib/coresight.sh index 45a1477256b6..184d62e7e5bd 100644 --- a/tools/perf/tests/shell/lib/coresight.sh +++ b/tools/perf/tests/shell/lib/coresight.sh @@ -17,6 +17,8 @@ DIR="$TOOLS/$TEST" BIN="$DIR/$TEST" # If the test tool/binary does not exist and is executable then skip the test if ! test -x "$BIN"; then exit 2; fi +# If CoreSight is not available, skip the test +perf list pmu | grep -q cs_etm || exit 2 DATD="." # If the data dir env is set then make the data dir use that instead of ./ if test -n "$PERF_TEST_CORESIGHT_DATADIR"; then @@ -58,9 +60,9 @@ perf_dump_aux_verify() { # compiler may produce different code depending on the compiler and # optimization options, so this is rough just to see if we're # either missing almost all the data or all of it - ATOM_FX_NUM=`grep I_ATOM_F "$DUMP" | wc -l` - ASYNC_NUM=`grep I_ASYNC "$DUMP" | wc -l` - TRACE_INFO_NUM=`grep I_TRACE_INFO "$DUMP" | wc -l` + ATOM_FX_NUM=$(grep -c I_ATOM_F "$DUMP") + ASYNC_NUM=$(grep -c I_ASYNC "$DUMP") + TRACE_INFO_NUM=$(grep -c I_TRACE_INFO "$DUMP") rm -f "$DUMP" # Arguments provide minimums for a pass @@ -96,18 +98,18 @@ perf_dump_aux_tid_verify() { # The TID test tools will print a TID per stdout line that are being # tested - TIDS=`cat "$2"` + TIDS=$(cat "$2") # Scan the perf report to find the TIDs that are actually CID in hex # and build a list of the ones found - FOUND_TIDS=`perf report --stdio --dump -i "$1" | \ + FOUND_TIDS=$(perf report --stdio --dump -i "$1" | \ grep -o "CID=0x[0-9a-z]\+" | sed 's/CID=//g' | \ - uniq | sort | uniq` + uniq | sort | uniq) # No CID=xxx found - maybe your kernel is reporting these as # VMID=xxx so look there if test -z "$FOUND_TIDS"; then - FOUND_TIDS=`perf report --stdio --dump -i "$1" | \ + FOUND_TIDS=$(perf report --stdio --dump -i "$1" | \ grep -o "VMID=0x[0-9a-z]\+" | sed 's/VMID=//g' | \ - uniq | sort | uniq` + uniq | sort | uniq) fi # Iterate over the list of TIDs that the test says it has and find @@ -116,7 +118,7 @@ perf_dump_aux_tid_verify() { for TID2 in $TIDS; do FOUND="" for TIDHEX in $FOUND_TIDS; do - TID=`printf "%i" $TIDHEX` + TID=$(printf "%i" $TIDHEX) if test "$TID" -eq "$TID2"; then FOUND="y" break diff --git a/tools/perf/tests/shell/lib/perf_has_symbol.sh b/tools/perf/tests/shell/lib/perf_has_symbol.sh new file mode 100644 index 000000000000..0b35cce0b13d --- /dev/null +++ b/tools/perf/tests/shell/lib/perf_has_symbol.sh @@ -0,0 +1,21 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +perf_has_symbol() +{ + if perf test -vv -F "Symbols" 2>&1 | grep "[[:space:]]$1$"; then + echo "perf does have symbol '$1'" + return 0 + fi + echo "perf does not have symbol '$1'" + return 1 +} + +skip_test_missing_symbol() +{ + if ! perf_has_symbol "$1" ; then + echo "perf is missing symbols - skipping test" + exit 2 + fi + return 0 +} diff --git a/tools/perf/tests/shell/lib/perf_json_output_lint.py b/tools/perf/tests/shell/lib/perf_json_output_lint.py index d90f8d102eb9..dafbde56cc76 100644 --- a/tools/perf/tests/shell/lib/perf_json_output_lint.py +++ b/tools/perf/tests/shell/lib/perf_json_output_lint.py @@ -14,12 +14,16 @@ ap.add_argument('--system-wide', action='store_true') ap.add_argument('--event', action='store_true') ap.add_argument('--per-core', action='store_true') ap.add_argument('--per-thread', action='store_true') +ap.add_argument('--per-cache', action='store_true') +ap.add_argument('--per-cluster', action='store_true') ap.add_argument('--per-die', action='store_true') ap.add_argument('--per-node', action='store_true') ap.add_argument('--per-socket', action='store_true') +ap.add_argument('--metric-only', action='store_true') +ap.add_argument('--file', type=argparse.FileType('r'), default=sys.stdin) args = ap.parse_args() -Lines = sys.stdin.readlines() +Lines = args.file.readlines() def isfloat(num): try: @@ -39,32 +43,26 @@ def isint(num): def is_counter_value(num): return isfloat(num) or num == '<not counted>' or num == '<not supported>' +def is_metric_value(num): + return isfloat(num) or num == 'none' + def check_json_output(expected_items): - if expected_items != -1: - for line in Lines: - if 'failed' not in line: - count = 0 - count = line.count(',') - if count != expected_items and count >= 1 and count <= 3 and 'metric-value' in line: - # Events that generate >1 metric may have isolated metric - # values and possibly other prefixes like interval, core and - # aggregate-number. - continue - if count != expected_items: - raise RuntimeError(f'wrong number of fields. counted {count} expected {expected_items}' - f' in \'{line}\'') checks = { - 'aggregate-number': lambda x: isfloat(x), + 'counters': lambda x: isfloat(x), 'core': lambda x: True, 'counter-value': lambda x: is_counter_value(x), 'cgroup': lambda x: True, 'cpu': lambda x: isint(x), + 'cache': lambda x: True, + 'cluster': lambda x: True, 'die': lambda x: True, 'event': lambda x: True, 'event-runtime': lambda x: isfloat(x), 'interval': lambda x: isfloat(x), 'metric-unit': lambda x: True, - 'metric-value': lambda x: isfloat(x), + 'metric-value': lambda x: is_metric_value(x), + 'metric-threshold': lambda x: x in ['unknown', 'good', 'less good', 'nearly bad', 'bad'], + 'metricgroup': lambda x: True, 'node': lambda x: True, 'pcnt-running': lambda x: isfloat(x), 'socket': lambda x: True, @@ -73,8 +71,26 @@ def check_json_output(expected_items): } input = '[\n' + ','.join(Lines) + '\n]' for item in json.loads(input): + if expected_items != -1: + count = len(item) + if count not in expected_items and count >= 1 and count <= 7 and 'metric-value' in item: + # Events that generate >1 metric may have isolated metric + # values and possibly other prefixes like interval, core, + # counters, or event-runtime/pcnt-running from multiplexing. + pass + elif count not in expected_items and count >= 1 and count <= 5 and 'metricgroup' in item: + pass + elif count - 1 in expected_items and 'metric-threshold' in item: + pass + elif count in expected_items and 'insn per cycle' in item: + pass + elif count not in expected_items: + raise RuntimeError(f'wrong number of fields. counted {count} expected {expected_items}' + f' in \'{item}\'') for key, value in item.items(): if key not in checks: + if args.metric_only: + continue raise RuntimeError(f'Unexpected key: key={key} value={value}') if not checks[key](value): raise RuntimeError(f'Check failed for: key={key} value={value}') @@ -82,11 +98,13 @@ def check_json_output(expected_items): try: if args.no_args or args.system_wide or args.event: - expected_items = 6 + expected_items = [5, 7] elif args.interval or args.per_thread or args.system_wide_no_aggr: - expected_items = 7 - elif args.per_core or args.per_socket or args.per_node or args.per_die: - expected_items = 8 + expected_items = [6, 8] + elif args.per_core or args.per_socket or args.per_node or args.per_die or args.per_cluster or args.per_cache: + expected_items = [7, 9] + elif args.metric_only: + expected_items = [1, 2] else: # If no option is specified, don't check the number of items. expected_items = -1 diff --git a/tools/perf/tests/shell/lib/perf_metric_validation.py b/tools/perf/tests/shell/lib/perf_metric_validation.py new file mode 100644 index 000000000000..dea8ef1977bf --- /dev/null +++ b/tools/perf/tests/shell/lib/perf_metric_validation.py @@ -0,0 +1,603 @@ +# SPDX-License-Identifier: GPL-2.0 +import re +import csv +import json +import argparse +from pathlib import Path +import subprocess + + +class TestError: + def __init__(self, metric: list[str], wl: str, value: list[float], low: float, up=float('nan'), description=str()): + self.metric: list = metric # multiple metrics in relationship type tests + self.workloads = [wl] # multiple workloads possible + self.collectedValue: list = value + self.valueLowBound = low + self.valueUpBound = up + self.description = description + + def __repr__(self) -> str: + if len(self.metric) > 1: + return "\nMetric Relationship Error: \tThe collected value of metric {0}\n\ + \tis {1} in workload(s): {2} \n\ + \tbut expected value range is [{3}, {4}]\n\ + \tRelationship rule description: \'{5}\'".format(self.metric, self.collectedValue, self.workloads, + self.valueLowBound, self.valueUpBound, self.description) + elif len(self.collectedValue) == 0: + return "\nNo Metric Value Error: \tMetric {0} returns with no value \n\ + \tworkload(s): {1}".format(self.metric, self.workloads) + else: + return "\nWrong Metric Value Error: \tThe collected value of metric {0}\n\ + \tis {1} in workload(s): {2}\n\ + \tbut expected value range is [{3}, {4}]"\ + .format(self.metric, self.collectedValue, self.workloads, + self.valueLowBound, self.valueUpBound) + + +class Validator: + def __init__(self, rulefname, reportfname='', t=5, debug=False, datafname='', fullrulefname='', + workload='true', metrics='', cputype='cpu'): + self.rulefname = rulefname + self.reportfname = reportfname + self.rules = None + self.collectlist: str = metrics + self.metrics = self.__set_metrics(metrics) + self.skiplist = set() + self.tolerance = t + self.cputype = cputype + + self.workloads = [x for x in workload.split(",") if x] + self.wlidx = 0 # idx of current workloads + self.allresults = dict() # metric results of all workload + self.alltotalcnt = dict() + self.allpassedcnt = dict() + + self.results = dict() # metric results of current workload + # vars for test pass/failure statistics + # metrics with no results or negative results, neg result counts failed tests + self.ignoremetrics = set() + self.totalcnt = 0 + self.passedcnt = 0 + # vars for errors + self.errlist = list() + + # vars for Rule Generator + self.pctgmetrics = set() # Percentage rule + + # vars for debug + self.datafname = datafname + self.debug = debug + self.fullrulefname = fullrulefname + + def __set_metrics(self, metrics=''): + if metrics != '': + return set(metrics.split(",")) + else: + return set() + + def read_json(self, filename: str) -> dict: + try: + with open(Path(filename).resolve(), "r") as f: + data = json.loads(f.read()) + except OSError as e: + print(f"Error when reading file {e}") + sys.exit() + + return data + + def json_dump(self, data, output_file): + parent = Path(output_file).parent + if not parent.exists(): + parent.mkdir(parents=True) + + with open(output_file, "w+") as output_file: + json.dump(data, + output_file, + ensure_ascii=True, + indent=4) + + def get_results(self, idx: int = 0): + return self.results.get(idx) + + def get_bounds(self, lb, ub, error, alias={}, ridx: int = 0) -> list: + """ + Get bounds and tolerance from lb, ub, and error. + If missing lb, use 0.0; missing ub, use float('inf); missing error, use self.tolerance. + + @param lb: str/float, lower bound + @param ub: str/float, upper bound + @param error: float/str, error tolerance + @returns: lower bound, return inf if the lower bound is a metric value and is not collected + upper bound, return -1 if the upper bound is a metric value and is not collected + tolerance, denormalized base on upper bound value + """ + # init ubv and lbv to invalid values + def get_bound_value(bound, initval, ridx): + val = initval + if isinstance(bound, int) or isinstance(bound, float): + val = bound + elif isinstance(bound, str): + if bound == '': + val = float("inf") + elif bound in alias: + vall = self.get_value(alias[ub], ridx) + if vall: + val = vall[0] + elif bound.replace('.', '1').isdigit(): + val = float(bound) + else: + print("Wrong bound: {0}".format(bound)) + else: + print("Wrong bound: {0}".format(bound)) + return val + + ubv = get_bound_value(ub, -1, ridx) + lbv = get_bound_value(lb, float('inf'), ridx) + t = get_bound_value(error, self.tolerance, ridx) + + # denormalize error threshold + denormerr = t * ubv / 100 if ubv != 100 and ubv > 0 else t + + return lbv, ubv, denormerr + + def get_value(self, name: str, ridx: int = 0) -> list: + """ + Get value of the metric from self.results. + If result of this metric is not provided, the metric name will be added into self.ignoremetics. + All future test(s) on this metric will fail. + + @param name: name of the metric + @returns: list with value found in self.results; list is empty when value is not found. + """ + results = [] + data = self.results[ridx] if ridx in self.results else self.results[0] + if name not in self.ignoremetrics: + if name in data: + results.append(data[name]) + elif name.replace('.', '1').isdigit(): + results.append(float(name)) + else: + self.ignoremetrics.add(name) + return results + + def check_bound(self, val, lb, ub, err): + return True if val <= ub + err and val >= lb - err else False + + # Positive Value Sanity check + def pos_val_test(self): + """ + Check if metrics value are non-negative. + One metric is counted as one test. + Failure: when metric value is negative or not provided. + Metrics with negative value will be added into self.ignoremetrics. + """ + negmetric = dict() + pcnt = 0 + tcnt = 0 + rerun = list() + results = self.get_results() + if not results: + return + for name, val in results.items(): + if val < 0: + negmetric[name] = val + rerun.append(name) + else: + pcnt += 1 + tcnt += 1 + # The first round collect_perf() run these metrics with simple workload + # "true". We give metrics a second chance with a longer workload if less + # than 20 metrics failed positive test. + if len(rerun) > 0 and len(rerun) < 20: + second_results = dict() + self.second_test(rerun, second_results) + for name, val in second_results.items(): + if name not in negmetric: + continue + if val >= 0: + del negmetric[name] + pcnt += 1 + + if len(negmetric.keys()): + self.ignoremetrics.update(negmetric.keys()) + self.errlist.extend( + [TestError([m], self.workloads[self.wlidx], negmetric[m], 0) for m in negmetric.keys()]) + + return + + def evaluate_formula(self, formula: str, alias: dict, ridx: int = 0): + """ + Evaluate the value of formula. + + @param formula: the formula to be evaluated + @param alias: the dict has alias to metric name mapping + @returns: value of the formula is success; -1 if the one or more metric value not provided + """ + stack = [] + b = 0 + errs = [] + sign = "+" + f = str() + + # TODO: support parenthesis? + for i in range(len(formula)): + if i+1 == len(formula) or formula[i] in ('+', '-', '*', '/'): + s = alias[formula[b:i]] if i + \ + 1 < len(formula) else alias[formula[b:]] + v = self.get_value(s, ridx) + if not v: + errs.append(s) + else: + f = f + "{0}(={1:.4f})".format(s, v[0]) + if sign == "*": + stack[-1] = stack[-1] * v + elif sign == "/": + stack[-1] = stack[-1] / v + elif sign == '-': + stack.append(-v[0]) + else: + stack.append(v[0]) + if i + 1 < len(formula): + sign = formula[i] + f += sign + b = i + 1 + + if len(errs) > 0: + return -1, "Metric value missing: "+','.join(errs) + + val = sum(stack) + return val, f + + # Relationships Tests + def relationship_test(self, rule: dict): + """ + Validate if the metrics follow the required relationship in the rule. + eg. lower_bound <= eval(formula)<= upper_bound + One rule is counted as ont test. + Failure: when one or more metric result(s) not provided, or when formula evaluated outside of upper/lower bounds. + + @param rule: dict with metric name(+alias), formula, and required upper and lower bounds. + """ + alias = dict() + for m in rule['Metrics']: + alias[m['Alias']] = m['Name'] + lbv, ubv, t = self.get_bounds( + rule['RangeLower'], rule['RangeUpper'], rule['ErrorThreshold'], alias, ridx=rule['RuleIndex']) + val, f = self.evaluate_formula( + rule['Formula'], alias, ridx=rule['RuleIndex']) + + lb = rule['RangeLower'] + ub = rule['RangeUpper'] + if isinstance(lb, str): + if lb in alias: + lb = alias[lb] + if isinstance(ub, str): + if ub in alias: + ub = alias[ub] + + if val == -1: + self.errlist.append(TestError([m['Name'] for m in rule['Metrics']], self.workloads[self.wlidx], [], + lb, ub, rule['Description'])) + elif not self.check_bound(val, lbv, ubv, t): + self.errlist.append(TestError([m['Name'] for m in rule['Metrics']], self.workloads[self.wlidx], [val], + lb, ub, rule['Description'])) + else: + self.passedcnt += 1 + self.totalcnt += 1 + + return + + # Single Metric Test + def single_test(self, rule: dict): + """ + Validate if the metrics are in the required value range. + eg. lower_bound <= metrics_value <= upper_bound + One metric is counted as one test in this type of test. + One rule may include one or more metrics. + Failure: when the metric value not provided or the value is outside the bounds. + This test updates self.total_cnt. + + @param rule: dict with metrics to validate and the value range requirement + """ + lbv, ubv, t = self.get_bounds( + rule['RangeLower'], rule['RangeUpper'], rule['ErrorThreshold']) + metrics = rule['Metrics'] + passcnt = 0 + totalcnt = 0 + failures = dict() + rerun = list() + for m in metrics: + totalcnt += 1 + result = self.get_value(m['Name']) + if len(result) > 0 and self.check_bound(result[0], lbv, ubv, t) or m['Name'] in self.skiplist: + passcnt += 1 + else: + failures[m['Name']] = result + rerun.append(m['Name']) + + if len(rerun) > 0 and len(rerun) < 20: + second_results = dict() + self.second_test(rerun, second_results) + for name, val in second_results.items(): + if name not in failures: + continue + if self.check_bound(val, lbv, ubv, t): + passcnt += 1 + del failures[name] + else: + failures[name] = [val] + self.results[0][name] = val + + self.totalcnt += totalcnt + self.passedcnt += passcnt + if len(failures.keys()) != 0: + self.errlist.extend([TestError([name], self.workloads[self.wlidx], val, + rule['RangeLower'], rule['RangeUpper']) for name, val in failures.items()]) + + return + + def create_report(self): + """ + Create final report and write into a JSON file. + """ + print(self.errlist) + + if self.debug: + allres = [{"Workload": self.workloads[i], "Results": self.allresults[i]} + for i in range(0, len(self.workloads))] + self.json_dump(allres, self.datafname) + + def check_rule(self, testtype, metric_list): + """ + Check if the rule uses metric(s) that not exist in current platform. + + @param metric_list: list of metrics from the rule. + @return: False when find one metric out in Metric file. (This rule should not skipped.) + True when all metrics used in the rule are found in Metric file. + """ + if testtype == "RelationshipTest": + for m in metric_list: + if m['Name'] not in self.metrics: + return False + return True + + # Start of Collector and Converter + def convert(self, data: list, metricvalues: dict): + """ + Convert collected metric data from the -j output to dict of {metric_name:value}. + """ + for json_string in data: + try: + result = json.loads(json_string) + if "metric-unit" in result and result["metric-unit"] != "(null)" and result["metric-unit"] != "": + name = result["metric-unit"].split(" ")[1] if len(result["metric-unit"].split(" ")) > 1 \ + else result["metric-unit"] + metricvalues[name.lower()] = float(result["metric-value"]) + except ValueError as error: + continue + return + + def _run_perf(self, metric, workload: str): + tool = 'perf' + command = [tool, 'stat', '--cputype', self.cputype, '-j', '-M', f"{metric}", "-a"] + wl = workload.split() + command.extend(wl) + print(" ".join(command)) + cmd = subprocess.run(command, stderr=subprocess.PIPE, encoding='utf-8') + data = [x+'}' for x in cmd.stderr.split('}\n') if x] + if data[0][0] != '{': + data[0] = data[0][data[0].find('{'):] + return data + + def collect_perf(self, workload: str): + """ + Collect metric data with "perf stat -M" on given workload with -a and -j. + """ + self.results = dict() + print(f"Starting perf collection") + print(f"Long workload: {workload}") + collectlist = dict() + if self.collectlist != "": + collectlist[0] = {x for x in self.collectlist.split(",")} + else: + collectlist[0] = set(list(self.metrics)) + # Create metric set for relationship rules + for rule in self.rules: + if rule["TestType"] == "RelationshipTest": + metrics = [m["Name"] for m in rule["Metrics"]] + if not any(m not in collectlist[0] for m in metrics): + collectlist[rule["RuleIndex"]] = [ + ",".join(list(set(metrics)))] + + for idx, metrics in collectlist.items(): + if idx == 0: + wl = "true" + else: + wl = workload + for metric in metrics: + data = self._run_perf(metric, wl) + if idx not in self.results: + self.results[idx] = dict() + self.convert(data, self.results[idx]) + return + + def second_test(self, collectlist, second_results): + workload = self.workloads[self.wlidx] + for metric in collectlist: + data = self._run_perf(metric, workload) + self.convert(data, second_results) + + # End of Collector and Converter + + # Start of Rule Generator + def parse_perf_metrics(self): + """ + Read and parse perf metric file: + 1) find metrics with '1%' or '100%' as ScaleUnit for Percent check + 2) create metric name list + """ + command = ['perf', 'list', '-j', '--details', 'metrics'] + cmd = subprocess.run(command, stdout=subprocess.PIPE, + stderr=subprocess.PIPE, encoding='utf-8') + try: + data = json.loads(cmd.stdout) + for m in data: + if 'MetricName' not in m: + print("Warning: no metric name") + continue + if 'Unit' in m and m['Unit'] != self.cputype: + continue + name = m['MetricName'].lower() + self.metrics.add(name) + if 'ScaleUnit' in m and (m['ScaleUnit'] == '1%' or m['ScaleUnit'] == '100%'): + self.pctgmetrics.add(name.lower()) + except ValueError as error: + print(f"Error when parsing metric data") + sys.exit() + + return + + def remove_unsupported_rules(self, rules): + new_rules = [] + for rule in rules: + add_rule = True + for m in rule["Metrics"]: + if m["Name"] in self.skiplist or m["Name"] not in self.metrics: + add_rule = False + break + if add_rule: + new_rules.append(rule) + return new_rules + + def create_rules(self): + """ + Create full rules which includes: + 1) All the rules from the "relationshi_rules" file + 2) SingleMetric rule for all the 'percent' metrics + + Reindex all the rules to avoid repeated RuleIndex + """ + data = self.read_json(self.rulefname) + rules = data['RelationshipRules'] + self.skiplist = set([name.lower() for name in data['SkipList']]) + self.rules = self.remove_unsupported_rules(rules) + pctgrule = {'RuleIndex': 0, + 'TestType': 'SingleMetricTest', + 'RangeLower': '0', + 'RangeUpper': '100', + 'ErrorThreshold': self.tolerance, + 'Description': 'Metrics in percent unit have value with in [0, 100]', + 'Metrics': [{'Name': m.lower()} for m in self.pctgmetrics]} + self.rules.append(pctgrule) + + # Re-index all rules to avoid repeated RuleIndex + idx = 1 + for r in self.rules: + r['RuleIndex'] = idx + idx += 1 + + if self.debug: + # TODO: need to test and generate file name correctly + data = {'RelationshipRules': self.rules, 'SupportedMetrics': [ + {"MetricName": name} for name in self.metrics]} + self.json_dump(data, self.fullrulefname) + + return + # End of Rule Generator + + def _storewldata(self, key): + ''' + Store all the data of one workload into the corresponding data structure for all workloads. + @param key: key to the dictionaries (index of self.workloads). + ''' + self.allresults[key] = self.results + self.alltotalcnt[key] = self.totalcnt + self.allpassedcnt[key] = self.passedcnt + + # Initialize data structures before data validation of each workload + def _init_data(self): + + testtypes = ['PositiveValueTest', + 'RelationshipTest', 'SingleMetricTest'] + self.results = dict() + self.ignoremetrics = set() + self.errlist = list() + self.totalcnt = 0 + self.passedcnt = 0 + + def test(self): + ''' + The real entry point of the test framework. + This function loads the validation rule JSON file and Standard Metric file to create rules for + testing and namemap dictionaries. + It also reads in result JSON file for testing. + + In the test process, it passes through each rule and launch correct test function bases on the + 'TestType' field of the rule. + + The final report is written into a JSON file. + ''' + if not self.collectlist: + self.parse_perf_metrics() + if not self.metrics: + print("No metric found for testing") + return 0 + self.create_rules() + for i in range(0, len(self.workloads)): + self.wlidx = i + self._init_data() + self.collect_perf(self.workloads[i]) + # Run positive value test + self.pos_val_test() + for r in self.rules: + # skip rules that uses metrics not exist in this platform + testtype = r['TestType'] + if not self.check_rule(testtype, r['Metrics']): + continue + if testtype == 'RelationshipTest': + self.relationship_test(r) + elif testtype == 'SingleMetricTest': + self.single_test(r) + else: + print("Unsupported Test Type: ", testtype) + print("Workload: ", self.workloads[i]) + print("Total Test Count: ", self.totalcnt) + print("Passed Test Count: ", self.passedcnt) + self._storewldata(i) + self.create_report() + return len(self.errlist) > 0 +# End of Class Validator + + +def main() -> None: + parser = argparse.ArgumentParser( + description="Launch metric value validation") + + parser.add_argument( + "-rule", help="Base validation rule file", required=True) + parser.add_argument( + "-output_dir", help="Path for validator output file, report file", required=True) + parser.add_argument("-debug", help="Debug run, save intermediate data to files", + action="store_true", default=False) + parser.add_argument( + "-wl", help="Workload to run while data collection", default="true") + parser.add_argument("-m", help="Metric list to validate", default="") + parser.add_argument("-cputype", help="Only test metrics for the given CPU/PMU type", + default="cpu") + args = parser.parse_args() + outpath = Path(args.output_dir) + reportf = Path.joinpath(outpath, 'perf_report.json') + fullrule = Path.joinpath(outpath, 'full_rule.json') + datafile = Path.joinpath(outpath, 'perf_data.json') + + validator = Validator(args.rule, reportf, debug=args.debug, + datafname=datafile, fullrulefname=fullrule, workload=args.wl, + metrics=args.m, cputype=args.cputype) + ret = validator.test() + + return ret + + +if __name__ == "__main__": + import sys + sys.exit(main()) diff --git a/tools/perf/tests/shell/lib/perf_metric_validation_rules.json b/tools/perf/tests/shell/lib/perf_metric_validation_rules.json new file mode 100644 index 000000000000..eb6f59e018b7 --- /dev/null +++ b/tools/perf/tests/shell/lib/perf_metric_validation_rules.json @@ -0,0 +1,398 @@ +{ + "SkipList": [ + "tsx_aborted_cycles", + "tsx_transactional_cycles", + "C2_Pkg_Residency", + "C6_Pkg_Residency", + "C1_Core_Residency", + "C6_Core_Residency", + "tma_false_sharing", + "tma_remote_cache", + "tma_contested_accesses" + ], + "RelationshipRules": [ + { + "RuleIndex": 1, + "Formula": "a+b", + "TestType": "RelationshipTest", + "RangeLower": "c", + "RangeUpper": "c", + "ErrorThreshold": 5.0, + "Description": "Intel(R) Optane(TM) Persistent Memory(PMEM) bandwidth total includes Intel(R) Optane(TM) Persistent Memory(PMEM) read bandwidth and Intel(R) Optane(TM) Persistent Memory(PMEM) write bandwidth", + "Metrics": [ + { + "Name": "pmem_memory_bandwidth_read", + "Alias": "a" + }, + { + "Name": "pmem_memory_bandwidth_write", + "Alias": "b" + }, + { + "Name": "pmem_memory_bandwidth_total", + "Alias": "c" + } + ] + }, + { + "RuleIndex": 2, + "Formula": "a+b", + "TestType": "RelationshipTest", + "RangeLower": "c", + "RangeUpper": "c", + "ErrorThreshold": 5.0, + "Description": "DDR memory bandwidth total includes DDR memory read bandwidth and DDR memory write bandwidth", + "Metrics": [ + { + "Name": "memory_bandwidth_read", + "Alias": "a" + }, + { + "Name": "memory_bandwidth_write", + "Alias": "b" + }, + { + "Name": "memory_bandwidth_total", + "Alias": "c" + } + ] + }, + { + "RuleIndex": 3, + "Formula": "a+b", + "TestType": "RelationshipTest", + "RangeLower": "100", + "RangeUpper": "100", + "ErrorThreshold": 5.0, + "Description": "Total memory read accesses includes memory reads from last level cache (LLC) addressed to local DRAM and memory reads from the last level cache (LLC) addressed to remote DRAM.", + "Metrics": [ + { + "Name": "numa_reads_addressed_to_local_dram", + "Alias": "a" + }, + { + "Name": "numa_reads_addressed_to_remote_dram", + "Alias": "b" + } + ] + }, + { + "RuleIndex": 4, + "Formula": "a", + "TestType": "SingleMetricTest", + "RangeLower": "0.125", + "RangeUpper": "", + "ErrorThreshold": "", + "Description": "", + "Metrics": [ + { + "Name": "cpi", + "Alias": "a" + } + ] + }, + { + "RuleIndex": 5, + "Formula": "", + "TestType": "SingleMetricTest", + "RangeLower": "0", + "RangeUpper": "1", + "ErrorThreshold": 5.0, + "Description": "Ratio values should be within value range [0,1)", + "Metrics": [ + { + "Name": "loads_per_instr", + "Alias": "" + }, + { + "Name": "stores_per_instr", + "Alias": "" + }, + { + "Name": "l1d_mpi", + "Alias": "" + }, + { + "Name": "l1d_demand_data_read_hits_per_instr", + "Alias": "" + }, + { + "Name": "l1_i_code_read_misses_with_prefetches_per_instr", + "Alias": "" + }, + { + "Name": "l2_demand_data_read_hits_per_instr", + "Alias": "" + }, + { + "Name": "l2_mpi", + "Alias": "" + }, + { + "Name": "l2_demand_data_read_mpi", + "Alias": "" + }, + { + "Name": "l2_demand_code_mpi", + "Alias": "" + } + ] + }, + { + "RuleIndex": 6, + "Formula": "a+b+c+d", + "TestType": "RelationshipTest", + "RangeLower": "100", + "RangeUpper": "100", + "ErrorThreshold": 5.0, + "Description": "Sum of TMA level 1 metrics should be 100%", + "Metrics": [ + { + "Name": "tma_frontend_bound", + "Alias": "a" + }, + { + "Name": "tma_bad_speculation", + "Alias": "b" + }, + { + "Name": "tma_backend_bound", + "Alias": "c" + }, + { + "Name": "tma_retiring", + "Alias": "d" + } + ] + }, + { + "RuleIndex": 7, + "Formula": "a+b", + "TestType": "RelationshipTest", + "RangeLower": "c", + "RangeUpper": "c", + "ErrorThreshold": 5.0, + "Description": "Sum of the level 2 children should equal level 1 parent", + "Metrics": [ + { + "Name": "tma_fetch_latency", + "Alias": "a" + }, + { + "Name": "tma_fetch_bandwidth", + "Alias": "b" + }, + { + "Name": "tma_frontend_bound", + "Alias": "c" + } + ] + }, + { + "RuleIndex": 8, + "Formula": "a+b", + "TestType": "RelationshipTest", + "RangeLower": "c", + "RangeUpper": "c", + "ErrorThreshold": 5.0, + "Description": "Sum of the level 2 children should equal level 1 parent", + "Metrics": [ + { + "Name": "tma_branch_mispredicts", + "Alias": "a" + }, + { + "Name": "tma_machine_clears", + "Alias": "b" + }, + { + "Name": "tma_bad_speculation", + "Alias": "c" + } + ] + }, + { + "RuleIndex": 9, + "Formula": "a+b", + "TestType": "RelationshipTest", + "RangeLower": "c", + "RangeUpper": "c", + "ErrorThreshold": 5.0, + "Description": "Sum of the level 2 children should equal level 1 parent", + "Metrics": [ + { + "Name": "tma_memory_bound", + "Alias": "a" + }, + { + "Name": "tma_core_bound", + "Alias": "b" + }, + { + "Name": "tma_backend_bound", + "Alias": "c" + } + ] + }, + { + "RuleIndex": 10, + "Formula": "a+b", + "TestType": "RelationshipTest", + "RangeLower": "c", + "RangeUpper": "c", + "ErrorThreshold": 5.0, + "Description": "Sum of the level 2 children should equal level 1 parent", + "Metrics": [ + { + "Name": "tma_light_operations", + "Alias": "a" + }, + { + "Name": "tma_heavy_operations", + "Alias": "b" + }, + { + "Name": "tma_retiring", + "Alias": "c" + } + ] + }, + { + "RuleIndex": 11, + "Formula": "a+b+c", + "TestType": "RelationshipTest", + "RangeLower": "100", + "RangeUpper": "100", + "ErrorThreshold": 5.0, + "Description": "The all_requests includes the memory_page_empty, memory_page_misses, and memory_page_hits equals.", + "Metrics": [ + { + "Name": "memory_page_empty_vs_all_requests", + "Alias": "a" + }, + { + "Name": "memory_page_misses_vs_all_requests", + "Alias": "b" + }, + { + "Name": "memory_page_hits_vs_all_requests", + "Alias": "c" + } + ] + }, + { + "RuleIndex": 12, + "Formula": "a-b", + "TestType": "RelationshipTest", + "RangeLower": "0", + "RangeUpper": "", + "ErrorThreshold": 5.0, + "Description": "CPU utilization in kernel mode should always be <= cpu utilization", + "Metrics": [ + { + "Name": "cpu_utilization", + "Alias": "a" + }, + { + "Name": "cpu_utilization_in_kernel_mode", + "Alias": "b" + } + ] + }, + { + "RuleIndex": 13, + "Formula": "a-b", + "TestType": "RelationshipTest", + "RangeLower": "0", + "RangeUpper": "", + "ErrorThreshold": 5.0, + "Description": "Total L2 misses per instruction should be >= L2 demand data read misses per instruction", + "Metrics": [ + { + "Name": "l2_mpi", + "Alias": "a" + }, + { + "Name": "l2_demand_data_read_mpi", + "Alias": "b" + } + ] + }, + { + "RuleIndex": 14, + "Formula": "a-b", + "TestType": "RelationshipTest", + "RangeLower": "0", + "RangeUpper": "", + "ErrorThreshold": 5.0, + "Description": "Total L2 misses per instruction should be >= L2 demand code misses per instruction", + "Metrics": [ + { + "Name": "l2_mpi", + "Alias": "a" + }, + { + "Name": "l2_demand_code_mpi", + "Alias": "b" + } + ] + }, + { + "RuleIndex": 15, + "Formula": "b+c+d", + "TestType": "RelationshipTest", + "RangeLower": "a", + "RangeUpper": "a", + "ErrorThreshold": 5.0, + "Description": "L3 data read, rfo, code misses per instruction equals total L3 misses per instruction.", + "Metrics": [ + { + "Name": "llc_mpi", + "Alias": "a" + }, + { + "Name": "llc_data_read_mpi_demand_plus_prefetch", + "Alias": "b" + }, + { + "Name": "llc_rfo_read_mpi_demand_plus_prefetch", + "Alias": "c" + }, + { + "Name": "llc_code_read_mpi_demand_plus_prefetch", + "Alias": "d" + } + ] + }, + { + "RuleIndex": 16, + "Formula": "a", + "TestType": "SingleMetricTest", + "RangeLower": "0", + "RangeUpper": "8", + "ErrorThreshold": 0.0, + "Description": "Setting generous range for allowable frequencies", + "Metrics": [ + { + "Name": "uncore_freq", + "Alias": "a" + } + ] + }, + { + "RuleIndex": 17, + "Formula": "a", + "TestType": "SingleMetricTest", + "RangeLower": "0", + "RangeUpper": "8", + "ErrorThreshold": 0.0, + "Description": "Setting generous range for allowable frequencies", + "Metrics": [ + { + "Name": "cpu_operating_frequency", + "Alias": "a" + } + ] + } + ] +}
\ No newline at end of file diff --git a/tools/perf/tests/shell/lib/probe.sh b/tools/perf/tests/shell/lib/probe.sh index 51e3f60baba0..5aa6e2ec5734 100644 --- a/tools/perf/tests/shell/lib/probe.sh +++ b/tools/perf/tests/shell/lib/probe.sh @@ -1,3 +1,4 @@ +#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 diff --git a/tools/perf/tests/shell/lib/probe_vfs_getname.sh b/tools/perf/tests/shell/lib/probe_vfs_getname.sh index ed0a3972c4c8..88cd0e26d5f6 100644 --- a/tools/perf/tests/shell/lib/probe_vfs_getname.sh +++ b/tools/perf/tests/shell/lib/probe_vfs_getname.sh @@ -1,3 +1,4 @@ +#!/bin/bash # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 perf probe -l 2>&1 | grep -q probe:vfs_getname @@ -10,11 +11,30 @@ cleanup_probe_vfs_getname() { } add_probe_vfs_getname() { - local verbose=$1 + add_probe_verbose=$1 if [ $had_vfs_getname -eq 1 ] ; then - line=$(perf probe -L getname_flags 2>&1 | grep -E 'result.*=.*filename;' | sed -r 's/[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*/\1/') + result_initname_re="[[:space:]]+([[:digit:]]+)[[:space:]]+initname.*" + line=$(perf probe -L getname_flags 2>&1 | grep -E "$result_initname_re" | sed -r "s/$result_initname_re/\1/") + + # Search the old regular expressions so that this will + # pass on older kernels as well. + if [ -z "$line" ] ; then + result_filename_re="[[:space:]]+([[:digit:]]+)[[:space:]]+result->uptr.*" + line=$(perf probe -L getname_flags 2>&1 | grep -E "$result_filename_re" | sed -r "s/$result_filename_re/\1/") + fi + + if [ -z "$line" ] ; then + result_aname_re="[[:space:]]+([[:digit:]]+)[[:space:]]+result->aname = NULL;" + line=$(perf probe -L getname_flags 2>&1 | grep -E "$result_aname_re" | sed -r "s/$result_aname_re/\1/") + fi + + if [ -z "$line" ] ; then + echo "Could not find probeable line" + return 2 + fi + perf probe -q "vfs_getname=getname_flags:${line} pathname=result->name:string" || \ - perf probe $verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring" + perf probe $add_probe_verbose "vfs_getname=getname_flags:${line} pathname=filename:ustring" || return 1 fi } @@ -22,3 +42,11 @@ skip_if_no_debuginfo() { add_probe_vfs_getname -v 2>&1 | grep -E -q "^(Failed to find the path for the kernel|Debuginfo-analysis is not supported)|(file has no debug information)" && return 2 return 1 } + +# check if perf is compiled with libtraceevent support +skip_no_probe_record_support() { + if [ $had_vfs_getname -eq 1 ] ; then + perf check feature -q libtraceevent && return 1 + return 2 + fi +} diff --git a/tools/perf/tests/shell/lib/setup_python.sh b/tools/perf/tests/shell/lib/setup_python.sh new file mode 100644 index 000000000000..a58e5536f2ed --- /dev/null +++ b/tools/perf/tests/shell/lib/setup_python.sh @@ -0,0 +1,16 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +if [ "x$PYTHON" = "x" ] +then + python3 --version >/dev/null 2>&1 && PYTHON=python3 +fi +if [ "x$PYTHON" = "x" ] +then + python --version >/dev/null 2>&1 && PYTHON=python +fi +if [ "x$PYTHON" = "x" ] +then + echo Skipping test, python not detected please set environment variable PYTHON. + exit 2 +fi diff --git a/tools/perf/tests/shell/lib/stat_output.sh b/tools/perf/tests/shell/lib/stat_output.sh new file mode 100644 index 000000000000..3c36e80fe422 --- /dev/null +++ b/tools/perf/tests/shell/lib/stat_output.sh @@ -0,0 +1,195 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 + +# Return true if perf_event_paranoid is > $1 and not running as root. +function ParanoidAndNotRoot() +{ + [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] +} + +# $1 name $2 extra_opt +check_no_args() +{ + echo -n "Checking $1 output: no args " + perf stat $2 true + commachecker --no-args + echo "[Success]" +} + +check_system_wide() +{ + echo -n "Checking $1 output: system wide " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat -a $2 true + commachecker --system-wide + echo "[Success]" +} + +check_system_wide_no_aggr() +{ + echo -n "Checking $1 output: system wide no aggregation " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat -A -a --no-merge $2 true + commachecker --system-wide-no-aggr + echo "[Success]" +} + +check_interval() +{ + echo -n "Checking $1 output: interval " + perf stat -I 1000 $2 true + commachecker --interval + echo "[Success]" +} + +check_event() +{ + echo -n "Checking $1 output: event " + perf stat -e cpu-clock $2 true + commachecker --event + echo "[Success]" +} + +check_per_core() +{ + echo -n "Checking $1 output: per core " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat --per-core -a $2 true + commachecker --per-core + echo "[Success]" +} + +check_per_thread() +{ + echo -n "Checking $1 output: per thread " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat --per-thread -p $$ $2 true + commachecker --per-thread + echo "[Success]" +} + +check_per_cache_instance() +{ + echo -n "Checking $1 output: per cache instance " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat --per-cache -a $2 true + commachecker --per-cache + echo "[Success]" +} + +check_per_cluster() +{ + echo -n "Checking $1 output: per cluster " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat --per-cluster -a $2 true + echo "[Success]" +} + +check_per_die() +{ + echo -n "Checking $1 output: per die " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat --per-die -a $2 true + commachecker --per-die + echo "[Success]" +} + +check_per_node() +{ + echo -n "Checking $1 output: per node " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat --per-node -a $2 true + commachecker --per-node + echo "[Success]" +} + +check_per_socket() +{ + echo -n "Checking $1 output: per socket " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoid and not root" + return + fi + perf stat --per-socket -a $2 true + commachecker --per-socket + echo "[Success]" +} + +check_metric_only() +{ + echo -n "Checking $1 output: metric only " + if [ "$(uname -m)" = "s390x" ] && ! grep '^facilities' /proc/cpuinfo | grep -qw 67 + then + echo "[Skip] CPU-measurement counter facility not installed" + return + fi + perf stat --metric-only $2 -M page_faults_per_second true + commachecker --metric-only + echo "[Success]" +} + +# The perf stat options for per-socket, per-core, per-die +# and -A ( no_aggr mode ) uses the info fetched from this +# directory: "/sys/devices/system/cpu/cpu*/topology". For +# example, socket value is fetched from "physical_package_id" +# file in topology directory. +# Reference: cpu__get_topology_int in util/cpumap.c +# If the platform doesn't expose topology information, values +# will be set to -1. For example, incase of pSeries platform +# of powerpc, value for "physical_package_id" is restricted +# and set to -1. Check here validates the socket-id read from +# topology file before proceeding further + +FILE_LOC="/sys/devices/system/cpu/cpu*/topology/" +FILE_NAME="physical_package_id" + +function check_for_topology() +{ + if ! ParanoidAndNotRoot 0 + then + socket_file=`ls $FILE_LOC/$FILE_NAME | head -n 1` + [ -z $socket_file ] && { + echo 0 + return + } + socket_id=`cat $socket_file` + [ $socket_id == -1 ] && { + echo 1 + return + } + fi + echo 0 +} diff --git a/tools/perf/tests/shell/lib/waiting.sh b/tools/perf/tests/shell/lib/waiting.sh index e7a39134a68e..3a152892e077 100644 --- a/tools/perf/tests/shell/lib/waiting.sh +++ b/tools/perf/tests/shell/lib/waiting.sh @@ -1,3 +1,4 @@ +#!/bin/bash # SPDX-License-Identifier: GPL-2.0 tenths=date\ +%s%1N diff --git a/tools/perf/tests/shell/list.sh b/tools/perf/tests/shell/list.sh new file mode 100755 index 000000000000..0c04b3159cef --- /dev/null +++ b/tools/perf/tests/shell/list.sh @@ -0,0 +1,37 @@ +#!/bin/bash +# perf list tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + +list_output=$(mktemp /tmp/__perf_test.list_output.json.XXXXX) + +cleanup() { + rm -f "${list_output}" + + trap - EXIT TERM INT +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_list_json() { + echo "Json output test" + # Generate perf list json output into list_output file. + perf list -j -o "${list_output}" + # Validate the json using python, redirect the json copy to /dev/null as + # otherwise the test may block writing to stdout. + $PYTHON -m json.tool "${list_output}" /dev/null + echo "Json output test [Success]" +} + +test_list_json +cleanup +exit 0 diff --git a/tools/perf/tests/shell/lock_contention.sh b/tools/perf/tests/shell/lock_contention.sh index b05f1b1ca6c8..6dd90519f45c 100755 --- a/tools/perf/tests/shell/lock_contention.sh +++ b/tools/perf/tests/shell/lock_contention.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # kernel lock contention analysis test # SPDX-License-Identifier: GPL-2.0 @@ -7,41 +7,54 @@ set -e err=0 perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) result=$(mktemp /tmp/__perf_test.result.XXXXX) +errout=$(mktemp /tmp/__perf_test.errout.XXXXX) cleanup() { rm -f ${perfdata} rm -f ${result} - trap - exit term int + rm -f ${errout} + trap - EXIT TERM INT ERR } trap_cleanup() { + if (( $? == 139 )); then #SIGSEGV + err=1 + fi + echo "Unexpected signal in ${FUNCNAME[1]}" cleanup exit ${err} } -trap trap_cleanup exit term int +trap trap_cleanup EXIT TERM INT ERR check() { - if [ `id -u` != 0 ]; then + if [ "$(id -u)" != 0 ]; then echo "[Skip] No root permission" err=2 exit fi - if ! perf list | grep -q lock:contention_begin; then + if ! perf list tracepoint | grep -q lock:contention_begin; then echo "[Skip] No lock contention tracepoints" err=2 exit fi + + # shellcheck disable=SC2046 + if [ `nproc` -lt 4 ]; then + echo "[Skip] Low number of CPUs (`nproc`), lock event cannot be triggered certainly" + err=2 + exit + fi } test_record() { echo "Testing perf lock record and perf lock contention" - perf lock record -o ${perfdata} -- perf bench sched messaging > /dev/null 2>&1 + perf lock record -o ${perfdata} -- perf bench sched messaging -p > /dev/null 2>&1 # the output goes to the stderr and we expect only 1 output (-E 1) perf lock contention -i ${perfdata} -E 1 -q 2> ${result} - if [ $(cat "${result}" | wc -l) != "1" ]; then - echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l) + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] Recorded result count is not 1:" "$(cat "${result}" | wc -l)" err=1 exit fi @@ -57,9 +70,9 @@ test_bpf() fi # the perf lock contention output goes to the stderr - perf lock con -a -b -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result} - if [ $(cat "${result}" | wc -l) != "1" ]; then - echo "[Fail] BPF result count is not 1:" $(cat "${result}" | wc -l) + perf lock con -a -b -E 1 -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result count is not 1:" "$(cat "${result}" | wc -l)" err=1 exit fi @@ -68,10 +81,12 @@ test_bpf() test_record_concurrent() { echo "Testing perf lock record and perf lock contention at the same time" - perf lock record -o- -- perf bench sched messaging 2> /dev/null | \ + perf lock record -o- -- perf bench sched messaging -p 2> ${errout} | \ perf lock contention -i- -E 1 -q 2> ${result} - if [ $(cat "${result}" | wc -l) != "1" ]; then - echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l) + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] Recorded result count is not 1:" "$(cat "${result}" | wc -l)" + cat ${errout} + cat ${result} err=1 exit fi @@ -81,8 +96,8 @@ test_aggr_task() { echo "Testing perf lock contention --threads" perf lock contention -i ${perfdata} -t -E 1 -q 2> ${result} - if [ $(cat "${result}" | wc -l) != "1" ]; then - echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l) + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] Recorded result count is not 1:" "$(cat "${result}" | wc -l)" err=1 exit fi @@ -92,9 +107,9 @@ test_aggr_task() fi # the perf lock contention output goes to the stderr - perf lock con -a -b -t -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result} - if [ $(cat "${result}" | wc -l) != "1" ]; then - echo "[Fail] BPF result count is not 1:" $(cat "${result}" | wc -l) + perf lock con -a -b -t -E 1 -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result count is not 1:" "$(cat "${result}" | wc -l)" err=1 exit fi @@ -104,20 +119,38 @@ test_aggr_addr() { echo "Testing perf lock contention --lock-addr" perf lock contention -i ${perfdata} -l -E 1 -q 2> ${result} - if [ $(cat "${result}" | wc -l) != "1" ]; then - echo "[Fail] Recorded result count is not 1:" $(cat "${result}" | wc -l) + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] Recorded result count is not 1:" "$(cat "${result}" | wc -l)" + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi + + # the perf lock contention output goes to the stderr + perf lock con -a -b -l -E 1 -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result count is not 1:" "$(cat "${result}" | wc -l)" err=1 exit fi +} + +test_aggr_cgroup() +{ + echo "Testing perf lock contention --lock-cgroup" if ! perf lock con -b true > /dev/null 2>&1 ; then + echo "[Skip] No BPF support" return fi # the perf lock contention output goes to the stderr - perf lock con -a -b -l -E 1 -q -- perf bench sched messaging > /dev/null 2> ${result} - if [ $(cat "${result}" | wc -l) != "1" ]; then - echo "[Fail] BPF result count is not 1:" $(cat "${result}" | wc -l) + perf lock con -a -b --lock-cgroup -E 1 -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result count is not 1:" "$(cat "${result}" | wc -l)" err=1 exit fi @@ -127,8 +160,8 @@ test_type_filter() { echo "Testing perf lock contention --type-filter (w/ spinlock)" perf lock contention -i ${perfdata} -Y spinlock -q 2> ${result} - if [ $(grep -c -v spinlock "${result}") != "0" ]; then - echo "[Fail] Recorded should not have non-spinlocks:" $(cat "${result}") + if [ "$(grep -c -v spinlock "${result}")" != "0" ]; then + echo "[Fail] Recorded result should not have non-spinlocks:" "$(cat "${result}")" err=1 exit fi @@ -137,9 +170,9 @@ test_type_filter() return fi - perf lock con -a -b -Y spinlock -q -- perf bench sched messaging > /dev/null 2> ${result} - if [ $(grep -c -v spinlock "${result}") != "0" ]; then - echo "[Fail] Recorded should not have non-spinlocks:" $(cat "${result}") + perf lock con -a -b -Y spinlock -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(grep -c -v spinlock "${result}")" != "0" ]; then + echo "[Fail] BPF result should not have non-spinlocks:" "$(cat "${result}")" err=1 exit fi @@ -149,7 +182,7 @@ test_lock_filter() { echo "Testing perf lock contention --lock-filter (w/ tasklist_lock)" perf lock contention -i ${perfdata} -l -q 2> ${result} - if [ $(grep -c tasklist_lock "${result}") != "1" ]; then + if [ "$(grep -c tasklist_lock "${result}")" != "1" ]; then echo "[Skip] Could not find 'tasklist_lock'" return fi @@ -157,21 +190,137 @@ test_lock_filter() perf lock contention -i ${perfdata} -L tasklist_lock -q 2> ${result} # find out the type of tasklist_lock - local type=$(head -1 "${result}" | awk '{ print $8 }' | sed -e 's/:.*//') + test_lock_filter_type=$(head -1 "${result}" | awk '{ print $8 }' | sed -e 's/:.*//') + + if [ "$(grep -c -v "${test_lock_filter_type}" "${result}")" != "0" ]; then + echo "[Fail] Recorded result should not have non-${test_lock_filter_type} locks:" "$(cat "${result}")" + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi + + perf lock con -a -b -L tasklist_lock -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(grep -c -v "${test_lock_filter_type}" "${result}")" != "0" ]; then + echo "[Fail] BPF result should not have non-${test_lock_filter_type} locks:" "$(cat "${result}")" + err=1 + exit + fi +} + +test_stack_filter() +{ + echo "Testing perf lock contention --callstack-filter (w/ unix_stream)" + perf lock contention -i ${perfdata} -v -q 2> ${result} + if [ "$(grep -c unix_stream "${result}")" = "0" ]; then + echo "[Skip] Could not find 'unix_stream'" + return + fi + + perf lock contention -i ${perfdata} -E 1 -S unix_stream -q 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] Recorded result should have a lock from unix_stream:" "$(cat "${result}")" + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi - if [ $(grep -c -v "${type}" "${result}") != "0" ]; then - echo "[Fail] Recorded should not have non-${type} locks:" $(cat "${result}") + perf lock con -a -b -S unix_stream -E 1 -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result should have a lock from unix_stream:" "$(cat "${result}")" + err=1 + exit + fi +} + +test_aggr_task_stack_filter() +{ + echo "Testing perf lock contention --callstack-filter with task aggregation" + perf lock contention -i ${perfdata} -v -q 2> ${result} + if [ "$(grep -c unix_stream "${result}")" = "0" ]; then + echo "[Skip] Could not find 'unix_stream'" + return + fi + + perf lock contention -i ${perfdata} -t -E 1 -S unix_stream -q 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] Recorded result should have a task from unix_stream:" "$(cat "${result}")" + err=1 + exit + fi + + if ! perf lock con -b true > /dev/null 2>&1 ; then + return + fi + + perf lock con -a -b -t -S unix_stream -E 1 -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result should have a task from unix_stream:" "$(cat "${result}")" + err=1 + exit + fi +} +test_cgroup_filter() +{ + echo "Testing perf lock contention --cgroup-filter" + + if ! perf lock con -b true > /dev/null 2>&1 ; then + echo "[Skip] No BPF support" + return + fi + + perf lock con -a -b --lock-cgroup -E 1 -F wait_total -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result should have a cgroup result:" "$(cat "${result}")" + err=1 + exit + fi + + cgroup=$(cat "${result}" | awk '{ print $3 }') + perf lock con -a -b --lock-cgroup -E 1 -G "${cgroup}" -q -- perf bench sched messaging -p > /dev/null 2> ${result} + if [ "$(cat "${result}" | wc -l)" != "1" ]; then + echo "[Fail] BPF result should have a result with cgroup filter:" "$(cat "${cgroup}")" + err=1 + exit + fi +} + + +test_csv_output() +{ + echo "Testing perf lock contention CSV output" + perf lock contention -i ${perfdata} -E 1 -x , --output ${result} + # count the number of commas in the header + # it should have 5: contended, total-wait, max-wait, avg-wait, type, caller + header=$(grep "# output:" ${result} | tr -d -c , | wc -c) + if [ "${header}" != "5" ]; then + echo "[Fail] Recorded result does not have enough output columns: ${header} != 5" + err=1 + exit + fi + # count the number of commas in the output + output=$(grep -v "^#" ${result} | tr -d -c , | wc -c) + if [ "${header}" != "${output}" ]; then + echo "[Fail] Recorded result does not match the number of commas: ${header} != ${output}" err=1 exit fi if ! perf lock con -b true > /dev/null 2>&1 ; then + echo "[Skip] No BPF support" return fi - perf lock con -a -b -L tasklist_lock -q -- perf bench sched messaging > /dev/null 2> ${result} - if [ $(grep -c -v "${type}" "${result}") != "0" ]; then - echo "[Fail] Recorded should not have non-${type} locks:" $(cat "${result}") + # the perf lock contention output goes to the stderr + perf lock con -a -b -E 1 -x , --output ${result} -- perf bench sched messaging -p > /dev/null 2>&1 + output=$(grep -v "^#" ${result} | tr -d -c , | wc -c) + if [ "${header}" != "${output}" ]; then + echo "[Fail] BPF result does not match the number of commas: ${header} != ${output}" err=1 exit fi @@ -184,7 +333,13 @@ test_bpf test_record_concurrent test_aggr_task test_aggr_addr +test_aggr_cgroup test_type_filter test_lock_filter +test_stack_filter +test_aggr_task_stack_filter +test_cgroup_filter +test_csv_output +cleanup exit ${err} diff --git a/tools/perf/tests/shell/perf-report-hierarchy.sh b/tools/perf/tests/shell/perf-report-hierarchy.sh new file mode 100755 index 000000000000..e3c6f9a24f33 --- /dev/null +++ b/tools/perf/tests/shell/perf-report-hierarchy.sh @@ -0,0 +1,43 @@ +#!/bin/bash +# perf report --hierarchy +# SPDX-License-Identifier: GPL-2.0 +# Arnaldo Carvalho de Melo <acme@redhat.com> + +set -e + +temp_dir=$(mktemp -d /tmp/perf-test-report.XXXXXXXXXX) + +cleanup() +{ + trap - EXIT TERM INT + sane=$(echo "${temp_dir}" | cut -b 1-21) + if [ "${sane}" = "/tmp/perf-test-report" ] ; then + echo "--- Cleaning up ---" + rm -rf "${temp_dir:?}/"* + rmdir "${temp_dir}" + fi +} + +trap_cleanup() +{ + cleanup + exit 1 +} + +trap trap_cleanup EXIT TERM INT + +test_report_hierarchy() +{ + echo "perf report --hierarchy" + + perf_data="${temp_dir}/perf-report-hierarchy-perf.data" + perf record -o "${perf_data}" uname + perf report --hierarchy -i "${perf_data}" > /dev/null + echo "perf report --hierarchy test [Success]" +} + +test_report_hierarchy + +cleanup + +exit 0 diff --git a/tools/perf/tests/shell/perftool-testsuite_probe.sh b/tools/perf/tests/shell/perftool-testsuite_probe.sh new file mode 100755 index 000000000000..3863df16c19b --- /dev/null +++ b/tools/perf/tests/shell/perftool-testsuite_probe.sh @@ -0,0 +1,24 @@ +#!/bin/bash +# perftool-testsuite_probe (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +[ "$(id -u)" = 0 ] || exit 2 +test -d "$(dirname "$0")/base_probe" || exit 2 +cd "$(dirname "$0")/base_probe" || exit 2 +status=0 + +PERFSUITE_RUN_DIR=$(mktemp -d /tmp/"$(basename "$0" .sh)".XXX) +export PERFSUITE_RUN_DIR + +for testcase in setup.sh test_*; do # skip setup.sh if not present or not executable + test -x "$testcase" || continue + ./"$testcase" + (( status += $? )) +done + +if ! [ "$PERFTEST_KEEP_LOGS" = "y" ]; then + rm -rf "$PERFSUITE_RUN_DIR" +fi + +test $status -ne 0 && exit 1 +exit 0 diff --git a/tools/perf/tests/shell/perftool-testsuite_report.sh b/tools/perf/tests/shell/perftool-testsuite_report.sh new file mode 100755 index 000000000000..a8cf75b4e77e --- /dev/null +++ b/tools/perf/tests/shell/perftool-testsuite_report.sh @@ -0,0 +1,23 @@ +#!/bin/bash +# perftool-testsuite_report (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +test -d "$(dirname "$0")/base_report" || exit 2 +cd "$(dirname "$0")/base_report" || exit 2 +status=0 + +PERFSUITE_RUN_DIR=$(mktemp -d /tmp/"$(basename "$0" .sh)".XXX) +export PERFSUITE_RUN_DIR + +for testcase in setup.sh test_*; do # skip setup.sh if not present or not executable + test -x "$testcase" || continue + ./"$testcase" + (( status += $? )) +done + +if ! [ "$PERFTEST_KEEP_LOGS" = "y" ]; then + rm -rf "$PERFSUITE_RUN_DIR" +fi + +test $status -ne 0 && exit 1 +exit 0 diff --git a/tools/perf/tests/shell/pipe_test.sh b/tools/perf/tests/shell/pipe_test.sh index 8dd115dd35a7..e459aa99a951 100755 --- a/tools/perf/tests/shell/pipe_test.sh +++ b/tools/perf/tests/shell/pipe_test.sh @@ -1,34 +1,127 @@ -#!/bin/sh +#!/bin/bash # perf pipe recording and injection test # SPDX-License-Identifier: GPL-2.0 +shelldir=$(dirname "$0") +# shellcheck source=lib/perf_has_symbol.sh +. "${shelldir}"/lib/perf_has_symbol.sh + +sym="noploop" + +skip_test_missing_symbol ${sym} + data=$(mktemp /tmp/perf.data.XXXXXX) +data2=$(mktemp /tmp/perf.data2.XXXXXX) prog="perf test -w noploop" -task="perf" -sym="noploop" +[ "$(uname -m)" = "s390x" ] && prog="$prog 3" +err=0 + +set -e + +cleanup() { + rm -rf "${data}" + rm -rf "${data}".old + rm -rf "${data2}" + rm -rf "${data2}".old + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_record_report() { + echo + echo "Record+report pipe test" + + task="perf" + if ! perf record -e task-clock:u -o - ${prog} | perf report -i - --task | grep -q ${task} + then + echo "Record+report pipe test [Failed - cannot find the test file in the perf report #1]" + err=1 + return + fi + + if ! perf record -g -e task-clock:u -o - ${prog} | perf report -i - --task | grep -q ${task} + then + echo "Record+report pipe test [Failed - cannot find the test file in the perf report #2]" + err=1 + return + fi + + perf record -g -e task-clock:u -o - ${prog} > ${data} + if ! perf report -i ${data} --task | grep -q ${task} + then + echo "Record+report pipe test [Failed - cannot find the test file in the perf report #3]" + err=1 + return + fi + + echo "Record+report pipe test [Success]" +} + +test_inject_bids() { + inject_opt=$1 + + echo + echo "Inject ${inject_opt} build-ids test" + + if ! perf record -e task-clock:u -o - ${prog} | perf inject ${inject_opt}| perf report -i - | grep -q ${sym} + then + echo "Inject build-ids test [Failed - cannot find noploop function in pipe #1]" + err=1 + return + fi + + if ! perf record -g -e task-clock:u -o - ${prog} | perf inject ${inject_opt} | perf report -i - | grep -q ${sym} + then + echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #2]" + err=1 + return + fi + + perf record -e task-clock:u -o - ${prog} | perf inject ${inject_opt} -o ${data} + if ! perf report -i ${data} | grep -q ${sym}; then + echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #3]" + err=1 + return + fi + + perf record -e task-clock:u -o ${data} ${prog} + if ! perf inject ${inject_opt} -i ${data} | perf report -i - | grep -q ${sym}; then + echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #4]" + err=1 + return + fi -if ! perf record -e task-clock:u -o - ${prog} | perf report -i - --task | grep ${task}; then - echo "cannot find the test file in the perf report" - exit 1 -fi + perf record -e task-clock:u -o - ${prog} > ${data} + if ! perf inject ${inject_opt} -i ${data} | perf report -i - | grep -q ${sym}; then + echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #5]" + err=1 + return + fi -if ! perf record -e task-clock:u -o - ${prog} | perf inject -b | perf report -i - | grep ${sym}; then - echo "cannot find noploop function in pipe #1" - exit 1 -fi + perf record -e task-clock:u -o - ${prog} > ${data} + perf inject ${inject_opt} -i ${data} -o ${data2} + if ! perf report -i ${data2} | grep -q ${sym}; then + echo "Inject ${inject_opt} build-ids test [Failed - cannot find noploop function in pipe #6]" + err=1 + return + fi -perf record -e task-clock:u -o - ${prog} | perf inject -b -o ${data} -if ! perf report -i ${data} | grep ${sym}; then - echo "cannot find noploop function in pipe #2" - exit 1 -fi + echo "Inject ${inject_opt} build-ids test [Success]" +} -perf record -e task-clock:u -o ${data} ${prog} -if ! perf inject -b -i ${data} | perf report -i - | grep ${sym}; then - echo "cannot find noploop function in pipe #3" - exit 1 -fi +test_record_report +test_inject_bids -B +test_inject_bids -b +test_inject_bids --buildid-all +test_inject_bids --mmap2-buildid-all +cleanup +exit $err -rm -f ${data} ${data}.old -exit 0 diff --git a/tools/perf/tests/shell/probe_vfs_getname.sh b/tools/perf/tests/shell/probe_vfs_getname.sh index 5d1b63d3f3e1..5fe5682c28ce 100755 --- a/tools/perf/tests/shell/probe_vfs_getname.sh +++ b/tools/perf/tests/shell/probe_vfs_getname.sh @@ -1,16 +1,25 @@ -#!/bin/sh -# Add vfs_getname probe to get syscall args filenames +#!/bin/bash +# Add vfs_getname probe to get syscall args filenames (exclusive) # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 -. $(dirname $0)/lib/probe.sh +# shellcheck source=lib/probe.sh +. "$(dirname $0)"/lib/probe.sh skip_if_no_perf_probe || exit 2 +[ "$(id -u)" = 0 ] || exit 2 -. $(dirname $0)/lib/probe_vfs_getname.sh +# shellcheck source=lib/probe_vfs_getname.sh +. "$(dirname $0)"/lib/probe_vfs_getname.sh -add_probe_vfs_getname || skip_if_no_debuginfo +add_probe_vfs_getname err=$? + +if [ $err -eq 1 ] ; then + skip_if_no_debuginfo + err=$? +fi + cleanup_probe_vfs_getname exit $err diff --git a/tools/perf/tests/shell/python-use.sh b/tools/perf/tests/shell/python-use.sh new file mode 100755 index 000000000000..fd2ee5390060 --- /dev/null +++ b/tools/perf/tests/shell/python-use.sh @@ -0,0 +1,36 @@ +#!/bin/bash +# 'import perf' in python +# SPDX-License-Identifier: GPL-2.0 +# Just test if we can load the python binding. +set -e + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + +MODULE_DIR=$(dirname "$(which perf)")/python + +if [ -d "$MODULE_DIR" ] +then + CMD=$(cat <<EOF +import sys +sys.path.insert(0, '$MODULE_DIR') +import perf +print('success!') +EOF + ) +else + CMD=$(cat <<EOF +import perf +print('success!') +EOF + ) +fi + +echo -e "Testing 'import perf' with:\n$CMD" + +if ! echo "$CMD" | $PYTHON | grep -q "success!" +then + exit 1 +fi +exit 0 diff --git a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh index 57e7a6a470c9..ab99bef556bf 100755 --- a/tools/perf/tests/shell/record+probe_libc_inet_pton.sh +++ b/tools/perf/tests/shell/record+probe_libc_inet_pton.sh @@ -1,5 +1,5 @@ -#!/bin/sh -# probe libc's inet_pton & backtrace it with ping +#!/bin/bash +# probe libc's inet_pton & backtrace it with ping (exclusive) # Installs a probe on libc's inet_pton function, that will use uprobes, # then use 'perf trace' on a ping to localhost asking for just one packet @@ -10,19 +10,23 @@ # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 -. $(dirname $0)/lib/probe.sh +# shellcheck source=lib/probe.sh +. "$(dirname "$0")/lib/probe.sh" +# shellcheck source=lib/probe_vfs_getname.sh +. "$(dirname "$0")/lib/probe_vfs_getname.sh" libc=$(grep -w libc /proc/self/maps | head -1 | sed -r 's/.*[[:space:]](\/.*)/\1/g') -nm -Dg $libc 2>/dev/null | fgrep -q inet_pton || exit 254 +nm -Dg $libc 2>/dev/null | grep -F -q inet_pton || exit 254 -event_pattern='probe_libc:inet_pton(\_[[:digit:]]+)?' +event_pattern='probe_libc:inet_pton(_[[:digit:]]+)?' add_libc_inet_pton_event() { event_name=$(perf probe -f -x $libc -a inet_pton 2>&1 | tail -n +2 | head -n -5 | \ - grep -P -o "$event_pattern(?=[[:space:]]\(on inet_pton in $libc\))") + awk -v ep="$event_pattern" -v l="$libc" '$0 ~ ep && $0 ~ \ + ("\\(on inet_pton in " l "\\)") {print $1}') - if [ $? -ne 0 -o -z "$event_name" ] ; then + if [ $? -ne 0 ] || [ -z "$event_name" ] ; then printf "FAIL: could not add event\n" return 1 fi @@ -37,37 +41,52 @@ trace_libc_inet_pton_backtrace() { case "$(uname -m)" in s390x) eventattr='call-graph=dwarf,max-stack=4' - echo "text_to_binary_address.*\+0x[[:xdigit:]]+[[:space:]]\($libc|inlined\)$" >> $expected - echo "gaih_inet.*\+0x[[:xdigit:]]+[[:space:]]\($libc|inlined\)$" >> $expected - echo "(__GI_)?getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc|inlined\)$" >> $expected - echo "main\+0x[[:xdigit:]]+[[:space:]]\(.*/bin/ping.*\)$" >> $expected - ;; - ppc64|ppc64le) - eventattr='max-stack=4' - echo "gaih_inet.*\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected - echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected - echo ".*(\+0x[[:xdigit:]]+|\[unknown\])[[:space:]]\(.*/bin/ping.*\)$" >> $expected + echo "((__GI_)?getaddrinfo|text_to_binary_address)\+0x[[:xdigit:]]+[[:space:]]\($libc|inlined\)$" >> $expected + echo "(gaih_inet|main)\+0x[[:xdigit:]]+[[:space:]]\(inlined|.*/bin/ping.*\)$" >> $expected ;; *) - eventattr='max-stack=3' - echo "getaddrinfo\+0x[[:xdigit:]]+[[:space:]]\($libc\)$" >> $expected + eventattr='max-stack=4' echo ".*(\+0x[[:xdigit:]]+|\[unknown\])[[:space:]]\(.*/bin/ping.*\)$" >> $expected ;; esac perf_data=`mktemp -u /tmp/perf.data.XXX` perf_script=`mktemp -u /tmp/perf.script.XXX` + + # Check presence of libtraceevent support to run perf record + skip_no_probe_record_support "$event_name/$eventattr/" + if [ $? -eq 2 ]; then + echo "WARN: Skipping test trace_libc_inet_pton_backtrace. No libtraceevent support." + return 2 + fi + perf record -e $event_name/$eventattr/ -o $perf_data ping -6 -c 1 ::1 > /dev/null 2>&1 + # check if perf data file got created in above step. + if [ ! -e $perf_data ]; then + printf "FAIL: perf record failed to create \"%s\" \n" "$perf_data" + return 1 + fi perf script -i $perf_data | tac | grep -m1 ^ping -B9 | tac > $perf_script - exec 3<$perf_script exec 4<$expected - while read line <&3 && read -r pattern <&4; do + while read -r pattern <&4; do + echo "Pattern: $pattern" [ -z "$pattern" ] && break - echo $line - echo "$line" | grep -E -q "$pattern" - if [ $? -ne 0 ] ; then - printf "FAIL: expected backtrace entry \"%s\" got \"%s\"\n" "$pattern" "$line" + + found=0 + + # Search lines in the perf script result + exec 3<$perf_script + while read line <&3; do + [ -z "$line" ] && break + echo " Matching: $line" + ! echo "$line" | grep -E -q "$pattern" + found=$? + [ $found -eq 1 ] && break + done + + if [ $found -ne 1 ] ; then + printf "FAIL: Didn't find the expected backtrace entry \"%s\"\n" "$pattern" return 1 fi done @@ -86,7 +105,8 @@ delete_libc_inet_pton_event() { } # Check for IPv6 interface existence -ip a sh lo | fgrep -q inet6 || exit 2 +ip a sh lo | grep -F -q inet6 || exit 2 +[ "$(id -u)" = 0 ] || exit 2 skip_if_no_perf_probe && \ add_libc_inet_pton_event && \ diff --git a/tools/perf/tests/shell/record+script_probe_vfs_getname.sh b/tools/perf/tests/shell/record+script_probe_vfs_getname.sh index 7f83b2715b9a..002f7037f182 100755 --- a/tools/perf/tests/shell/record+script_probe_vfs_getname.sh +++ b/tools/perf/tests/shell/record+script_probe_vfs_getname.sh @@ -1,5 +1,5 @@ -#!/bin/sh -# Use vfs_getname probe to get syscall args filenames +#!/bin/bash +# Use vfs_getname probe to get syscall args filenames (exclusive) # Uses the 'perf test shell' library to add probe:vfs_getname to the system # then use it with 'perf record' using 'touch' to write to a temp file, then @@ -9,14 +9,23 @@ # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 -. $(dirname $0)/lib/probe.sh +# shellcheck source=lib/probe.sh +. "$(dirname "$0")/lib/probe.sh" skip_if_no_perf_probe || exit 2 +[ "$(id -u)" = 0 ] || exit 2 -. $(dirname $0)/lib/probe_vfs_getname.sh +# shellcheck source=lib/probe_vfs_getname.sh +. "$(dirname "$0")/lib/probe_vfs_getname.sh" record_open_file() { echo "Recording open file:" + # Check presence of libtraceevent support to run perf record + skip_no_probe_record_support "probe:vfs_getname*" + if [ $? -eq 2 ]; then + echo "WARN: Skipping test record_open_file. No libtraceevent support" + return 2 + fi perf record -o ${perfdata} -e probe:vfs_getname\* touch $file } @@ -26,8 +35,14 @@ perf_script_filenames() { grep -E " +touch +[0-9]+ +\[[0-9]+\] +[0-9]+\.[0-9]+: +probe:vfs_getname[_0-9]*: +\([[:xdigit:]]+\) +pathname=\"${file}\"" } -add_probe_vfs_getname || skip_if_no_debuginfo +add_probe_vfs_getname err=$? + +if [ $err -eq 1 ] ; then + skip_if_no_debuginfo + err=$? +fi + if [ $err -ne 0 ] ; then exit $err fi diff --git a/tools/perf/tests/shell/record+zstd_comp_decomp.sh b/tools/perf/tests/shell/record+zstd_comp_decomp.sh index 49bd875d5122..f6b82223834e 100755 --- a/tools/perf/tests/shell/record+zstd_comp_decomp.sh +++ b/tools/perf/tests/shell/record+zstd_comp_decomp.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # Zstd perf.data compression/decompression # SPDX-License-Identifier: GPL-2.0 @@ -13,25 +13,25 @@ skip_if_no_z_record() { collect_z_record() { echo "Collecting compressed record file:" [ "$(uname -m)" != s390x ] && gflag='-g' - $perf_tool record -o $trace_file $gflag -z -F 5000 -- \ + $perf_tool record -o "$trace_file" $gflag -z -F 5000 -- \ dd count=500 if=/dev/urandom of=/dev/null } check_compressed_stats() { echo "Checking compressed events stats:" - $perf_tool report -i $trace_file --header --stats | \ + $perf_tool report -i "$trace_file" --header --stats | \ grep -E "(# compressed : Zstd,)|(COMPRESSED events:)" } check_compressed_output() { - $perf_tool inject -i $trace_file -o $trace_file.decomp && - $perf_tool report -i $trace_file --stdio -F comm,dso,sym | head -n -3 > $trace_file.comp.output && - $perf_tool report -i $trace_file.decomp --stdio -F comm,dso,sym | head -n -3 > $trace_file.decomp.output && - diff $trace_file.comp.output $trace_file.decomp.output + $perf_tool inject -i "$trace_file" -o "$trace_file.decomp" && + $perf_tool report -i "$trace_file" --stdio -F comm,dso,sym | head -n -3 > "$trace_file.comp.output" && + $perf_tool report -i "$trace_file.decomp" --stdio -F comm,dso,sym | head -n -3 > "$trace_file.decomp.output" && + diff "$trace_file.comp.output" "$trace_file.decomp.output" } skip_if_no_z_record || exit 2 collect_z_record && check_compressed_stats && check_compressed_output err=$? -rm -f $trace_file* +rm -f "$trace_file*" exit $err diff --git a/tools/perf/tests/shell/record.sh b/tools/perf/tests/shell/record.sh index 4fbc74805d52..0f5841c479e7 100755 --- a/tools/perf/tests/shell/record.sh +++ b/tools/perf/tests/shell/record.sh @@ -1,25 +1,50 @@ -#!/bin/sh -# perf record tests +#!/bin/bash +# perf record tests (exclusive) # SPDX-License-Identifier: GPL-2.0 set -e shelldir=$(dirname "$0") +# shellcheck source=lib/waiting.sh . "${shelldir}"/lib/waiting.sh +# shellcheck source=lib/perf_has_symbol.sh +. "${shelldir}"/lib/perf_has_symbol.sh + +testsym="test_loop" +testsym2="brstack" + +skip_test_missing_symbol ${testsym} +skip_test_missing_symbol ${testsym2} + err=0 perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +script_output=$(mktemp /tmp/__perf_test.perf.data.XXXXX.script) testprog="perf test -w thloop" -testsym="test_loop" +cpu_pmu_dir="/sys/bus/event_source/devices/cpu*" +br_cntr_file="/caps/branch_counter_nr" +br_cntr_output="branch stack counters" +br_cntr_script_output="br_cntr: A" + +default_fd_limit=$(ulimit -Sn) +# With option --threads=cpu the number of open file descriptors should be +# equal to sum of: nmb_cpus * nmb_events (2+dummy), +# nmb_threads for perf.data.n (equal to nmb_cpus) and +# 2*nmb_cpus of pipes = 4*nmb_cpus (each pipe has 2 ends) +# All together it needs 8*nmb_cpus file descriptors plus some are also used +# outside of testing, thus raising the limit to 16*nmb_cpus +min_fd_limit=$(($(getconf _NPROCESSORS_ONLN) * 16)) cleanup() { - rm -rf "${perfdata}" - rm -rf "${perfdata}".old + rm -f "${perfdata}" + rm -f "${perfdata}".old + rm -f "${script_output}" trap - EXIT TERM INT } trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" cleanup exit 1 } @@ -73,7 +98,7 @@ test_per_thread() { test_register_capture() { echo "Register capture test" - if ! perf list | grep -q 'br_inst_retired.near_call' + if ! perf list pmu | grep -q 'br_inst_retired.near_call' then echo "Register capture test [Skipped missing event]" return @@ -154,10 +179,274 @@ test_workload() { echo "Basic target workload test [Success]" } +test_branch_counter() { + echo "Branch counter test" + # Check if the branch counter feature is supported + for dir in $cpu_pmu_dir + do + if [ ! -e "$dir$br_cntr_file" ] + then + echo "branch counter feature not supported on all core PMUs ($dir) [Skipped]" + return + fi + done + if ! perf record -o "${perfdata}" -e "{branches:p,instructions}" -j any,counter ${testprog} 2> /dev/null + then + echo "Branch counter record test [Failed record]" + err=1 + return + fi + if ! perf report -i "${perfdata}" -D -q | grep -q "$br_cntr_output" + then + echo "Branch counter report test [Failed missing output]" + err=1 + return + fi + if ! perf script -i "${perfdata}" -F +brstackinsn,+brcntr | grep -q "$br_cntr_script_output" + then + echo " Branch counter script test [Failed missing output]" + err=1 + return + fi + echo "Branch counter test [Success]" +} + +test_cgroup() { + echo "Cgroup sampling test" + if ! perf record -aB --synth=cgroup --all-cgroups -o "${perfdata}" ${testprog} 2> /dev/null + then + echo "Cgroup sampling [Skipped not supported]" + return + fi + if ! perf report -i "${perfdata}" -D | grep -q "CGROUP" + then + echo "Cgroup sampling [Failed missing output]" + err=1 + return + fi + if ! perf script -i "${perfdata}" -F cgroup | grep -q -v "unknown" + then + echo "Cgroup sampling [Failed cannot resolve cgroup names]" + err=1 + return + fi + echo "Cgroup sampling test [Success]" +} + +test_uid() { + echo "Uid sampling test" + if ! perf record -aB --synth=no --uid "$(id -u)" -o "${perfdata}" ${testprog} \ + > "${script_output}" 2>&1 + then + if grep -q "libbpf.*EPERM" "${script_output}" + then + echo "Uid sampling [Skipped permissions]" + return + else + echo "Uid sampling [Failed to record]" + err=1 + # cat "${script_output}" + return + fi + fi + if ! perf report -i "${perfdata}" -q | grep -q "${testsym}" + then + echo "Uid sampling [Failed missing output]" + err=1 + return + fi + echo "Uid sampling test [Success]" +} + +test_leader_sampling() { + echo "Basic leader sampling test" + if ! perf record -o "${perfdata}" -e "{cycles,cycles}:Su" -- \ + perf test -w brstack 2> /dev/null + then + echo "Leader sampling [Failed record]" + err=1 + return + fi + perf script -i "${perfdata}" | grep brstack > $script_output + # Check if the two instruction counts are equal in each record. + # However, the throttling code doesn't consider event grouping. During throttling, only the + # leader is stopped, causing the slave's counts significantly higher. To temporarily solve this, + # let's set the tolerance rate to 80%. + # TODO: Revert the code for tolerance once the throttling mechanism is fixed. + index=0 + valid_counts=0 + invalid_counts=0 + tolerance_rate=0.8 + while IFS= read -r line + do + cycles=$(echo $line | awk '{for(i=1;i<=NF;i++) if($i=="cycles:") print $(i-1)}') + if [ $(($index%2)) -ne 0 ] && [ ${cycles}x != ${prev_cycles}x ] + then + invalid_counts=$(($invalid_counts+1)) + else + valid_counts=$(($valid_counts+1)) + fi + index=$(($index+1)) + prev_cycles=$cycles + done < "${script_output}" + total_counts=$(bc <<< "$invalid_counts+$valid_counts") + if (( $(bc <<< "$total_counts <= 0") )) + then + echo "Leader sampling [No sample generated]" + err=1 + return + fi + isok=$(bc <<< "scale=2; if (($invalid_counts/$total_counts) < (1-$tolerance_rate)) { 0 } else { 1 };") + if [ $isok -eq 1 ] + then + echo "Leader sampling [Failed inconsistent cycles count]" + err=1 + else + echo "Basic leader sampling test [Success]" + fi +} + +test_topdown_leader_sampling() { + echo "Topdown leader sampling test" + if ! perf stat -e "{slots,topdown-retiring}" true 2> /dev/null + then + echo "Topdown leader sampling [Skipped event parsing failed]" + return + fi + if ! perf record -o "${perfdata}" -e "{instructions,slots,topdown-retiring}:S" true 2> /dev/null + then + echo "Topdown leader sampling [Failed topdown events not reordered correctly]" + err=1 + return + fi + echo "Topdown leader sampling test [Success]" +} + +test_precise_max() { + local -i skipped=0 + + echo "precise_max attribute test" + # Just to make sure event cycles is supported for sampling + if perf record -o "${perfdata}" -e "cycles" true 2> /dev/null + then + if ! perf record -o "${perfdata}" -e "cycles:P" true 2> /dev/null + then + echo "precise_max attribute [Failed cycles:P event]" + err=1 + return + fi + else + echo "precise_max attribute [Skipped no cycles:P event]" + ((skipped+=1)) + fi + # On s390 event instructions is not supported for perf record + if perf record -o "${perfdata}" -e "instructions" true 2> /dev/null + then + # On AMD, cycles and instructions events are treated differently + if ! perf record -o "${perfdata}" -e "instructions:P" true 2> /dev/null + then + echo "precise_max attribute [Failed instructions:P event]" + err=1 + return + fi + else + echo "precise_max attribute [Skipped no instructions:P event]" + ((skipped+=1)) + fi + if [ $skipped -eq 2 ] + then + echo "precise_max attribute [Skipped no hardware events]" + else + echo "precise_max attribute test [Success]" + fi +} + +test_callgraph() { + echo "Callgraph test" + + case $(uname -m) + in s390x) + cmd_flags="--call-graph dwarf -e cpu-clock";; + *) + cmd_flags="-g";; + esac + + if ! perf record -o "${perfdata}" $cmd_flags perf test -w brstack + then + echo "Callgraph test [Failed missing output]" + err=1 + return + fi + + if ! perf report -i "${perfdata}" 2>&1 | grep "${testsym2}" + then + echo "Callgraph test [Failed missing symbol]" + err=1 + return + fi + + echo "Callgraph test [Success]" +} + +test_ratio_to_prev() { + echo "ratio-to-prev test" + if ! perf record -o /dev/null -e "{instructions, cycles/period=100000,ratio-to-prev=0.5/}" \ + true 2> /dev/null + then + echo "ratio-to-prev [Skipped not supported]" + return + fi + if ! perf record -o /dev/null -e "instructions, cycles/period=100000,ratio-to-prev=0.5/" \ + true |& grep -q 'Invalid use of ratio-to-prev term without preceding element in group' + then + echo "ratio-to-prev test [Failed elements must be in same group]" + err=1 + return + fi + if ! perf record -o /dev/null -e "{instructions,dummy,cycles/period=100000,ratio-to-prev=0.5/}" \ + true |& grep -q 'must have same PMU' + then + echo "ratio-to-prev test [Failed elements must have same PMU]" + err=1 + return + fi + if ! perf record -o /dev/null -e "{instructions,cycles/ratio-to-prev=0.5/}" \ + true |& grep -q 'Event period term or count (-c) must be set when using ratio-to-prev term.' + then + echo "ratio-to-prev test [Failed period must be set]" + err=1 + return + fi + if ! perf record -o /dev/null -e "{cycles/ratio-to-prev=0.5/}" \ + true |& grep -q 'Invalid use of ratio-to-prev term without preceding element in group' + then + echo "ratio-to-prev test [Failed need 2+ events]" + err=1 + return + fi + echo "Basic ratio-to-prev record test [Success]" +} + +# raise the limit of file descriptors to minimum +if [[ $default_fd_limit -lt $min_fd_limit ]]; then + ulimit -Sn $min_fd_limit +fi + test_per_thread test_register_capture test_system_wide test_workload +test_branch_counter +test_cgroup +test_uid +test_leader_sampling +test_topdown_leader_sampling +test_precise_max +test_callgraph +test_ratio_to_prev + +# restore the default value +ulimit -Sn $default_fd_limit cleanup exit $err diff --git a/tools/perf/tests/shell/record_bpf_filter.sh b/tools/perf/tests/shell/record_bpf_filter.sh new file mode 100755 index 000000000000..383574cb3bd3 --- /dev/null +++ b/tools/perf/tests/shell/record_bpf_filter.sh @@ -0,0 +1,202 @@ +#!/bin/bash +# perf record sample filtering (by BPF) tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) + +cleanup() { + rm -f "${perfdata}" + rm -f "${perfdata}".old + trap - EXIT TERM INT +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_bpf_filter_priv() { + echo "Checking BPF-filter privilege" + + if ! perf record -e task-clock --filter 'period > 1' \ + -o /dev/null --quiet true 2>&1 + then + if [ "$(id -u)" != 0 ] + then + echo "try 'sudo perf record --setup-filter pin' first." + echo "bpf-filter test [Skipped permission]" + err=2 + return + fi + echo "bpf-filter test [Skipped missing BPF support]" + err=2 + return + fi +} + +test_bpf_filter_basic() { + echo "Basic bpf-filter test" + + if ! perf record -e task-clock -c 10000 --filter 'ip < 0xffffffff00000000' \ + -o "${perfdata}" true 2> /dev/null + then + echo "Basic bpf-filter test [Failed record]" + err=1 + return + fi + if perf script -i "${perfdata}" -F ip | grep 'ffffffff[0-9a-f]*' + then + if uname -r | grep -q ^6.2 + then + echo "Basic bpf-filter test [Skipped unsupported kernel]" + err=2 + return + fi + echo "Basic bpf-filter test [Failed invalid output]" + err=1 + return + fi + echo "Basic bpf-filter test [Success]" +} + +test_bpf_filter_fail() { + echo "Failing bpf-filter test" + + # 'cpu' requires PERF_SAMPLE_CPU flag + if ! perf record -e task-clock --filter 'cpu > 0' \ + -o /dev/null true 2>&1 | grep -q PERF_SAMPLE_CPU + then + echo "Failing bpf-filter test [Failed forbidden CPU]" + err=1 + return + fi + + if ! perf record --sample-cpu -e task-clock --filter 'cpu > 0' \ + -o /dev/null true 2>/dev/null + then + echo "Failing bpf-filter test [Failed should succeed]" + err=1 + return + fi + + echo "Failing bpf-filter test [Success]" +} + +test_bpf_filter_group() { + echo "Group bpf-filter test" + + if ! perf record -e task-clock --filter 'period > 1000, ip > 0' \ + -o /dev/null true 2>/dev/null + then + echo "Group bpf-filter test [Failed should succeed]" + err=1 + return + fi + + if ! perf record -e task-clock --filter 'period > 1000 , cpu > 0 || ip > 0' \ + -o /dev/null true 2>&1 | grep -q PERF_SAMPLE_CPU + then + echo "Group bpf-filter test [Failed forbidden CPU]" + err=1 + return + fi + + if ! perf record -e task-clock --filter 'period > 0 || code_pgsz > 4096' \ + -o /dev/null true 2>&1 | grep -q PERF_SAMPLE_CODE_PAGE_SIZE + then + echo "Group bpf-filter test [Failed forbidden CODE_PAGE_SIZE]" + err=1 + return + fi + + echo "Group bpf-filter test [Success]" +} + +test_bpf_filter_multi() { + echo "Multiple bpf-filter test" + + if ! perf record -e task-clock --filter 'period > 100000' \ + -e page-faults --filter 'ip < 0xffffffff00000000' \ + -o "${perfdata}" true 2> /dev/null + then + echo "Multiple bpf-filter test [Failed record]" + err=1 + return + fi + + if ! perf script -i "${perfdata}" -F period,event | grep task-clock | \ + awk '{ if (int($1) <= 100000) { print $0; exit(1); } }' + then + echo "Multiple bpf-filter test [Failed task-clock period]" + err=1 + return + fi + + if perf script -i "${perfdata}" -F event,ip | grep page-fault | \ + grep 'ffffffff[0-9a-f]*' + then + echo "Multiple bpf-filter test [Failed page-faults ip]" + err=1 + return + fi + + echo "Multiple bpf-filter test [Success]" +} + +test_bpf_filter_cgroup() { + echo "Cgroup bpf-filter test" + + if ! perf record -e task-clock --filter 'cgroup == /' \ + -a --all-cgroups --synth=cgroup -o "${perfdata}" true 2> /dev/null + then + echo "Cgroup bpf-filter test [Skipped cgroup not supported]" + return + fi + + # 'cgroup' requires PERF_SAMPLE_CGROUP flag + if ! perf record -e task-clock --filter 'cgroup == /' \ + -o /dev/null true 2>&1 | grep -q PERF_SAMPLE_CGROUP + then + echo "Cgroup bpf-filter test [Failed CGROUP requires --all-cgroups]" + err=1 + return + fi + + if ! perf report -i "${perfdata}" -s cgroup -q | grep -q -F '100.00%' + then + echo "Cgroup bpf-filter test [Failed root cgroup does not have 100%]" + err=1 + return + fi + + echo "Cgroup bpf-filter test [Success]" +} + +test_bpf_filter_priv + +if [ $err = 0 ]; then + test_bpf_filter_basic +fi + +if [ $err = 0 ]; then + test_bpf_filter_fail +fi + +if [ $err = 0 ]; then + test_bpf_filter_group +fi + +if [ $err = 0 ]; then + test_bpf_filter_multi +fi + +if [ $err = 0 ]; then + test_bpf_filter_cgroup +fi + +cleanup +exit $err diff --git a/tools/perf/tests/shell/record_lbr.sh b/tools/perf/tests/shell/record_lbr.sh new file mode 100755 index 000000000000..78a02e90ece1 --- /dev/null +++ b/tools/perf/tests/shell/record_lbr.sh @@ -0,0 +1,176 @@ +#!/bin/bash +# perf record LBR tests (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +set -e + +ParanoidAndNotRoot() { + [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] +} + +if [ ! -f /sys/bus/event_source/devices/cpu/caps/branches ] && + [ ! -f /sys/bus/event_source/devices/cpu_core/caps/branches ] +then + echo "Skip: only x86 CPUs support LBR" + exit 2 +fi + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) + +cleanup() { + rm -rf "${perfdata}" + rm -rf "${perfdata}".old + rm -rf "${perfdata}".txt + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + + +lbr_callgraph_test() { + test="LBR callgraph" + + echo "$test" + if ! perf record -e cycles --call-graph lbr -o "${perfdata}" perf test -w thloop + then + echo "$test [Failed support missing]" + if [ $err -eq 0 ] + then + err=2 + fi + return + fi + + if ! perf report --stitch-lbr -i "${perfdata}" > "${perfdata}".txt + then + cat "${perfdata}".txt + echo "$test [Failed in perf report]" + err=1 + return + fi + + echo "$test [Success]" +} + +lbr_test() { + local branch_flags=$1 + local test="LBR $2 test" + local threshold=$3 + local out + local sam_nr + local bs_nr + local zero_nr + local r + + echo "$test" + if ! perf record -e cycles $branch_flags -o "${perfdata}" perf test -w thloop + then + echo "$test [Failed support missing]" + perf record -e cycles $branch_flags -o "${perfdata}" perf test -w thloop || true + if [ $err -eq 0 ] + then + err=2 + fi + return + fi + + out=$(perf report -D -i "${perfdata}" 2> /dev/null | grep -A1 'PERF_RECORD_SAMPLE') + sam_nr=$(echo "$out" | grep -c 'PERF_RECORD_SAMPLE' || true) + if [ $sam_nr -eq 0 ] + then + echo "$test [Failed no samples captured]" + err=1 + return + fi + echo "$test: $sam_nr samples" + + bs_nr=$(echo "$out" | grep -c 'branch stack: nr:' || true) + if [ $sam_nr -ne $bs_nr ] + then + echo "$test [Failed samples missing branch stacks]" + err=1 + return + fi + + zero_nr=$(echo "$out" | grep -A3 'branch stack: nr:0' | grep thread | grep -cv swapper || true) + r=$(($zero_nr * 100 / $bs_nr)) + if [ $r -gt $threshold ]; then + echo "$test [Failed empty br stack ratio exceed $threshold%: $r%]" + err=1 + return + fi + + echo "$test [Success]" +} + +parallel_lbr_test() { + err=0 + perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) + lbr_test "$1" "$2" "$3" + cleanup + exit $err +} + +lbr_callgraph_test + +# Sequential +lbr_test "-b" "any branch" 2 +lbr_test "-j any_call" "any call" 2 +lbr_test "-j any_ret" "any ret" 2 +lbr_test "-j ind_call" "any indirect call" 2 +lbr_test "-j ind_jmp" "any indirect jump" 100 +lbr_test "-j call" "direct calls" 2 +lbr_test "-j ind_call,u" "any indirect user call" 100 +if ! ParanoidAndNotRoot 1 +then + lbr_test "-a -b" "system wide any branch" 2 + lbr_test "-a -j any_call" "system wide any call" 2 +fi + +# Parallel +parallel_lbr_test "-b" "parallel any branch" 100 & +pid1=$! +parallel_lbr_test "-j any_call" "parallel any call" 100 & +pid2=$! +parallel_lbr_test "-j any_ret" "parallel any ret" 100 & +pid3=$! +parallel_lbr_test "-j ind_call" "parallel any indirect call" 100 & +pid4=$! +parallel_lbr_test "-j ind_jmp" "parallel any indirect jump" 100 & +pid5=$! +parallel_lbr_test "-j call" "parallel direct calls" 100 & +pid6=$! +parallel_lbr_test "-j ind_call,u" "parallel any indirect user call" 100 & +pid7=$! +if ParanoidAndNotRoot 1 +then + pid8= + pid9= +else + parallel_lbr_test "-a -b" "parallel system wide any branch" 100 & + pid8=$! + parallel_lbr_test "-a -j any_call" "parallel system wide any call" 100 & + pid9=$! +fi + +for pid in $pid1 $pid2 $pid3 $pid4 $pid5 $pid6 $pid7 $pid8 $pid9 +do + set +e + wait $pid + child_err=$? + set -e + if ([ $err -eq 2 ] && [ $child_err -eq 1 ]) || [ $err -eq 0 ] + then + err=$child_err + fi +done + +cleanup +exit $err diff --git a/tools/perf/tests/shell/record_offcpu.sh b/tools/perf/tests/shell/record_offcpu.sh index e01973d4e0fb..860a2d6f4b75 100755 --- a/tools/perf/tests/shell/record_offcpu.sh +++ b/tools/perf/tests/shell/record_offcpu.sh @@ -1,5 +1,5 @@ -#!/bin/sh -# perf record offcpu profiling tests +#!/bin/bash +# perf record offcpu profiling tests (exclusive) # SPDX-License-Identifier: GPL-2.0 set -e @@ -7,28 +7,34 @@ set -e err=0 perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +ts=$(printf "%u" $((~0 << 32))) # OFF_CPU_TIMESTAMP +dummy_timestamp=${ts%???} # remove the last 3 digits to match perf script + cleanup() { rm -f ${perfdata} rm -f ${perfdata}.old - trap - exit term int + trap - EXIT TERM INT } trap_cleanup() { cleanup exit 1 } -trap trap_cleanup exit term int +trap trap_cleanup EXIT TERM INT + +test_above_thresh="Threshold test (above threshold)" +test_below_thresh="Threshold test (below threshold)" test_offcpu_priv() { echo "Checking off-cpu privilege" - if [ `id -u` != 0 ] + if [ "$(id -u)" != 0 ] then echo "off-cpu test [Skipped permission]" err=2 return fi - if perf record --off-cpu -o /dev/null --quiet true 2>&1 | grep BUILD_BPF_SKEL + if perf version --build-options 2>&1 | grep HAVE_BPF_SKEL | grep -q OFF then echo "off-cpu test [Skipped missing BPF support]" err=2 @@ -65,7 +71,7 @@ test_offcpu_child() { # perf bench sched messaging creates 400 processes if ! perf record --off-cpu -e dummy -o ${perfdata} -- \ - perf bench sched messaging -g 10 > /dev/null 2&>1 + perf bench sched messaging -g 10 > /dev/null 2>&1 then echo "Child task off-cpu test [Failed record]" err=1 @@ -77,9 +83,9 @@ test_offcpu_child() { err=1 return fi - # each process waits for read and write, so it should be more than 800 events + # each process waits at least for poll, so it should be more than 400 events if ! perf report -i ${perfdata} -s comm -q -n -t ';' --percent-limit=90 | \ - awk -F ";" '{ if (NF > 3 && int($3) < 800) exit 1; }' + awk -F ";" '{ if (NF > 3 && int($3) < 400) exit 1; }' then echo "Child task off-cpu test [Failed invalid output]" err=1 @@ -88,6 +94,63 @@ test_offcpu_child() { echo "Child task off-cpu test [Success]" } +# task blocks longer than the --off-cpu-thresh, perf should collect a direct sample +test_offcpu_above_thresh() { + echo "${test_above_thresh}" + + # collect direct off-cpu samples for tasks blocked for more than 999ms + if ! perf record -e dummy --off-cpu --off-cpu-thresh 999 -o ${perfdata} -- sleep 1 2> /dev/null + then + echo "${test_above_thresh} [Failed record]" + err=1 + return + fi + # direct sample's timestamp should be lower than the dummy_timestamp of the at-the-end sample + # check if a direct sample exists + if ! perf script --time "0, ${dummy_timestamp}" -i ${perfdata} -F event | grep -q "offcpu-time" + then + echo "${test_above_thresh} [Failed missing direct samples]" + err=1 + return + fi + # there should only be one direct sample, and its period should be higher than off-cpu-thresh + if ! perf script --time "0, ${dummy_timestamp}" -i ${perfdata} -F period | \ + awk '{ if (int($1) > 999000000) exit 0; else exit 1; }' + then + echo "${test_above_thresh} [Failed off-cpu time too short]" + err=1 + return + fi + echo "${test_above_thresh} [Success]" +} + +# task blocks shorter than the --off-cpu-thresh, perf should collect an at-the-end sample +test_offcpu_below_thresh() { + echo "${test_below_thresh}" + + # collect direct off-cpu samples for tasks blocked for more than 1.2s + if ! perf record -e dummy --off-cpu --off-cpu-thresh 1200 -o ${perfdata} -- sleep 1 2> /dev/null + then + echo "${test_below_thresh} [Failed record]" + err=1 + return + fi + # see if there's an at-the-end sample + if ! perf script --time "${dummy_timestamp}," -i ${perfdata} -F event | grep -q 'offcpu-time' + then + echo "${test_below_thresh} [Failed at-the-end samples cannot be found]" + err=1 + return + fi + # plus there shouldn't be any direct samples + if perf script --time "0, ${dummy_timestamp}" -i ${perfdata} -F event | grep -q 'offcpu-time' + then + echo "${test_below_thresh} [Failed direct samples are found when they shouldn't be]" + err=1 + return + fi + echo "${test_below_thresh} [Success]" +} test_offcpu_priv @@ -99,5 +162,13 @@ if [ $err = 0 ]; then test_offcpu_child fi +if [ $err = 0 ]; then + test_offcpu_above_thresh +fi + +if [ $err = 0 ]; then + test_offcpu_below_thresh +fi + cleanup exit $err diff --git a/tools/perf/tests/shell/record_sideband.sh b/tools/perf/tests/shell/record_sideband.sh new file mode 100755 index 000000000000..2182551873be --- /dev/null +++ b/tools/perf/tests/shell/record_sideband.sh @@ -0,0 +1,58 @@ +#!/bin/bash +# perf record sideband tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) + +cleanup() +{ + rm -rf ${perfdata} + trap - EXIT TERM INT +} + +trap_cleanup() +{ + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +can_cpu_wide() +{ + if ! perf record -o ${perfdata} -BN --no-bpf-event -C $1 true > /dev/null 2>&1 + then + echo "record sideband test [Skipped cannot record cpu$1]" + err=2 + fi + + rm -f ${perfdata} + return $err +} + +test_system_wide_tracking() +{ + # Need CPU 0 and CPU 1 + can_cpu_wide 0 || return 0 + can_cpu_wide 1 || return 0 + + # Record on CPU 0 a task running on CPU 1 + perf record -BN --no-bpf-event -o ${perfdata} -C 0 -- taskset --cpu-list 1 true + + # Should get MMAP events from CPU 1 + mmap_cnt=`perf script -i ${perfdata} --show-mmap-events -C 1 2>/dev/null | grep MMAP | wc -l` + + if [ ${mmap_cnt} -gt 0 ] ; then + return 0 + fi + + echo "Failed to record MMAP events on CPU 1 when tracing CPU 0" + return 1 +} + +test_system_wide_tracking + +cleanup +exit $err diff --git a/tools/perf/tests/shell/record_weak_term.sh b/tools/perf/tests/shell/record_weak_term.sh new file mode 100755 index 000000000000..811b00ffb47a --- /dev/null +++ b/tools/perf/tests/shell/record_weak_term.sh @@ -0,0 +1,37 @@ +#!/bin/bash +# record weak terms +# SPDX-License-Identifier: GPL-2.0 +# Test that command line options override weak terms from sysfs or inbuilt json. +set -e + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + +# Find the first event with a specified period, such as +# "cpu_core/event=0x24,period=200003,umask=0xff/" +event=$(perf list --json | $PYTHON -c ' +import json, sys +for e in json.load(sys.stdin): + if "EventName" not in e or "/modifier" in e["EventName"]: + continue + if "Encoding" in e and "period=" in e["Encoding"]: + print(e["EventName"]) + break +') +if [[ "$event" = "" ]] +then + echo "Skip: No sysfs/json events with inbuilt period." + exit 2 +fi + +echo "Testing that for $event the period is overridden with 1000" +perf list --detail "$event" +if ! perf record -c 1000 -vv -e "$event" -o /dev/null true 2>&1 | \ + grep -q -F '{ sample_period, sample_freq } 1000' +then + echo "Fail: Unexpected verbose output and sample period" + exit 1 +fi +echo "Success" +exit 0 diff --git a/tools/perf/tests/shell/sched.sh b/tools/perf/tests/shell/sched.sh new file mode 100755 index 000000000000..b9b81eaf856e --- /dev/null +++ b/tools/perf/tests/shell/sched.sh @@ -0,0 +1,116 @@ +#!/bin/bash +# perf sched tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +if [ "$(id -u)" != 0 ]; then + echo "[Skip] No root permission" + exit 2 +fi + +err=0 +perfdata=$(mktemp /tmp/__perf_test_sched.perf.data.XXXXX) +PID1=0 +PID2=0 + +cleanup() { + rm -f "${perfdata}" + rm -f "${perfdata}".old + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +start_noploops() { + # Start two noploop workloads on CPU0 to trigger scheduling. + perf test -w noploop 10 & + PID1=$! + taskset -pc 0 $PID1 + perf test -w noploop 10 & + PID2=$! + taskset -pc 0 $PID2 + + if ! grep -q 'Cpus_allowed_list:\s*0$' "/proc/$PID1/status" + then + echo "Sched [Error taskset did not work for the 1st noploop ($PID1)]" + grep Cpus_allowed /proc/$PID1/status + err=1 + fi + + if ! grep -q 'Cpus_allowed_list:\s*0$' "/proc/$PID2/status" + then + echo "Sched [Error taskset did not work for the 2nd noploop ($PID2)]" + grep Cpus_allowed /proc/$PID2/status + err=1 + fi +} + +cleanup_noploops() { + kill "$PID1" "$PID2" +} + +test_sched_record() { + echo "Sched record" + + start_noploops + + perf sched record --no-inherit -o "${perfdata}" sleep 1 + + cleanup_noploops +} + +test_sched_latency() { + echo "Sched latency" + + if ! perf sched latency -i "${perfdata}" | grep -q perf-noploop + then + echo "Sched latency [Failed missing output]" + err=1 + fi +} + +test_sched_script() { + echo "Sched script" + + if ! perf sched script -i "${perfdata}" | grep -q perf-noploop + then + echo "Sched script [Failed missing output]" + err=1 + fi +} + +test_sched_map() { + echo "Sched map" + + if ! perf sched map -i "${perfdata}" | grep -q perf-noploop + then + echo "Sched map [Failed missing output]" + err=1 + fi +} + +test_sched_timehist() { + echo "Sched timehist" + + if ! perf sched timehist -i "${perfdata}" | grep -q perf-noploop + then + echo "Sched timehist [Failed missing output]" + err=1 + fi +} + +test_sched_record +test_sched_latency +test_sched_script +test_sched_map +test_sched_timehist + +cleanup +exit $err diff --git a/tools/perf/tests/shell/script.sh b/tools/perf/tests/shell/script.sh new file mode 100755 index 000000000000..7007f1cdf761 --- /dev/null +++ b/tools/perf/tests/shell/script.sh @@ -0,0 +1,99 @@ +#!/bin/bash +# perf script tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +temp_dir=$(mktemp -d /tmp/perf-test-script.XXXXXXXXXX) + +perfdatafile="${temp_dir}/perf.data" +db_test="${temp_dir}/db_test.py" + +err=0 + +cleanup() +{ + trap - EXIT TERM INT + sane=$(echo "${temp_dir}" | cut -b 1-21) + if [ "${sane}" = "/tmp/perf-test-script" ] ; then + echo "--- Cleaning up ---" + rm -rf "${temp_dir:?}/"* + rmdir "${temp_dir}" + fi +} + +trap_cleanup() +{ + cleanup + exit 1 +} + +trap trap_cleanup EXIT TERM INT + + +test_db() +{ + echo "DB test" + + # Check if python script is supported + if perf version --build-options | grep python | grep -q OFF ; then + echo "SKIP: python scripting is not supported" + err=2 + return + fi + + cat << "_end_of_file_" > "${db_test}" +perf_db_export_mode = True +perf_db_export_calls = False +perf_db_export_callchains = True + +def sample_table(*args): + print(f'sample_table({args})') + +def call_path_table(*args): + print(f'call_path_table({args}') +_end_of_file_ + case $(uname -m) + in s390x) + cmd_flags="--call-graph dwarf -e cpu-clock";; + *) + cmd_flags="-g";; + esac + + perf record $cmd_flags -o "${perfdatafile}" true + # Disable lsan to avoid warnings about python memory leaks. + export ASAN_OPTIONS=detect_leaks=0 + perf script -i "${perfdatafile}" -s "${db_test}" + export ASAN_OPTIONS= + echo "DB test [Success]" +} + +test_parallel_perf() +{ + echo "parallel-perf test" + if ! python3 --version >/dev/null 2>&1 ; then + echo "SKIP: no python3" + err=2 + return + fi + pp=$(dirname "$0")/../../scripts/python/parallel-perf.py + if [ ! -f "${pp}" ] ; then + echo "SKIP: parallel-perf.py script not found " + err=2 + return + fi + perf_data="${temp_dir}/pp-perf.data" + output1_dir="${temp_dir}/output1" + output2_dir="${temp_dir}/output2" + perf record -o "${perf_data}" --sample-cpu uname + python3 "${pp}" -o "${output1_dir}" --jobs 4 --verbose -- perf script -i "${perf_data}" + python3 "${pp}" -o "${output2_dir}" --jobs 4 --verbose --per-cpu -- perf script -i "${perf_data}" + echo "parallel-perf test [Success]" +} + +test_db +test_parallel_perf + +cleanup + +exit $err diff --git a/tools/perf/tests/shell/script_dlfilter.sh b/tools/perf/tests/shell/script_dlfilter.sh new file mode 100755 index 000000000000..45c97d4a7d5f --- /dev/null +++ b/tools/perf/tests/shell/script_dlfilter.sh @@ -0,0 +1,107 @@ +#!/bin/bash +# perf script --dlfilter tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + +# skip if there's no compiler +if ! [ -x "$(command -v cc)" ]; then + echo "failed: no compiler, install gcc" + exit 2 +fi + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +dlfilter_c=$(mktemp /tmp/__perf_test.dlfilter.test.c.XXXXX) +dlfilter_so=$(mktemp /tmp/__perf_test.dlfilter.so.XXXXX) + +cleanup() { + rm -f "${perfdata}" + rm -f "${dlfilter_c}" + rm -f "${dlfilter_so}" + rm -f "${dlfilter_so}.o" + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +cat <<EOF > "${dlfilter_c}" +#include <perf/perf_dlfilter.h> +#include <string.h> +#include <stdio.h> + +struct perf_dlfilter_fns perf_dlfilter_fns; + +int filter_event(void *data, const struct perf_dlfilter_sample *sample, void *ctx) +{ + const struct perf_dlfilter_al *al; + + if (!sample->ip) + return 0; + + al = perf_dlfilter_fns.resolve_ip(ctx); + if (!al || !al->sym || strcmp(al->sym, "test_loop")) + return 1; + + return 0; +} +EOF + +test_dlfilter() { + echo "Basic --dlfilter test" + # Generate perf.data file + if ! perf record -o "${perfdata}" perf test -w thloop 1 2> /dev/null + then + echo "Basic --dlfilter test [Failed record]" + err=1 + return + fi + + # Build the dlfilter + if ! cc -c -I tools/perf/include -fpic -x c "${dlfilter_c}" -o "${dlfilter_so}.o" + then + echo "Basic --dlfilter test [Failed to build dlfilter object]" + err=1 + return + fi + + if ! cc -shared -o "${dlfilter_so}" "${dlfilter_so}.o" + then + echo "Basic --dlfilter test [Failed to link dlfilter shared object]" + err=1 + return + fi + + # Check that the output contains "test_loop" and nothing else + if ! perf script -i "${perfdata}" --dlfilter "${dlfilter_so}" | grep -q "test_loop" + then + echo "Basic --dlfilter test [Failed missing output]" + err=1 + return + fi + + # The filter should filter out everything except test_loop, so ensure no other symbols are present + # This is a simple check; we could be more rigorous + if perf script -i "${perfdata}" --dlfilter "${dlfilter_so}" | grep -v "test_loop" | grep -q "perf" + then + echo "Basic --dlfilter test [Failed filtering]" + err=1 + return + fi + + echo "Basic --dlfilter test [Success]" +} + +test_dlfilter +cleanup +exit $err diff --git a/tools/perf/tests/shell/stat+csv_output.sh b/tools/perf/tests/shell/stat+csv_output.sh index b7f050aa6210..cd6fff597091 100755 --- a/tools/perf/tests/shell/stat+csv_output.sh +++ b/tools/perf/tests/shell/stat+csv_output.sh @@ -6,7 +6,24 @@ set -e -skip_test=0 +# shellcheck source=lib/stat_output.sh +. "$(dirname $0)"/lib/stat_output.sh + +csv_sep=@ + +stat_output=$(mktemp /tmp/__perf_test.stat_output.csv.XXXXX) + +cleanup() { + rm -f "${stat_output}" + + trap - EXIT TERM INT +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT function commachecker() { @@ -20,185 +37,56 @@ function commachecker() ;; "--interval") exp=7 ;; "--per-thread") exp=7 ;; "--system-wide-no-aggr") exp=7 - [ $(uname -m) = "s390x" ] && exp='^[6-7]$' + [ "$(uname -m)" = "s390x" ] && exp='^[6-7]$' ;; "--per-core") exp=8 ;; "--per-socket") exp=8 ;; "--per-node") exp=8 ;; "--per-die") exp=8 + ;; "--per-cluster") exp=8 + ;; "--per-cache") exp=8 + ;; "--metric-only") exp=1 esac while read line do - # Check for lines beginning with Failed - x=${line:0:6} - [ "$x" = "Failed" ] && continue + # Ignore initial "started on" comment. + x=${line:0:1} + [ "$x" = "#" ] && continue + # Ignore initial blank line. + [ "$line" = "" ] && continue # Count the number of commas - x=$(echo $line | tr -d -c ',') + x=$(echo $line | tr -d -c $csv_sep) cnt="${#x}" # echo $line $cnt [[ ! "$cnt" =~ $exp ]] && { echo "wrong number of fields. expected $exp in $line" 1>&2 exit 1; } - done + done < "${stat_output}" return 0 } -# Return true if perf_event_paranoid is > $1 and not running as root. -function ParanoidAndNotRoot() -{ - [ $(id -u) != 0 ] && [ $(cat /proc/sys/kernel/perf_event_paranoid) -gt $1 ] -} - -check_no_args() -{ - echo -n "Checking CSV output: no args " - perf stat -x, true 2>&1 | commachecker --no-args - echo "[Success]" -} - -check_system_wide() -{ - echo -n "Checking CSV output: system wide " - if ParanoidAndNotRoot 0 - then - echo "[Skip] paranoid and not root" - return - fi - perf stat -x, -a true 2>&1 | commachecker --system-wide - echo "[Success]" -} - -check_system_wide_no_aggr() -{ - echo -n "Checking CSV output: system wide " - if ParanoidAndNotRoot 0 - then - echo "[Skip] paranoid and not root" - return - fi - echo -n "Checking CSV output: system wide no aggregation " - perf stat -x, -A -a --no-merge true 2>&1 | commachecker --system-wide-no-aggr - echo "[Success]" -} - -check_interval() -{ - echo -n "Checking CSV output: interval " - perf stat -x, -I 1000 true 2>&1 | commachecker --interval - echo "[Success]" -} - - -check_event() -{ - echo -n "Checking CSV output: event " - perf stat -x, -e cpu-clock true 2>&1 | commachecker --event - echo "[Success]" -} - -check_per_core() -{ - echo -n "Checking CSV output: per core " - if ParanoidAndNotRoot 0 - then - echo "[Skip] paranoid and not root" - return - fi - perf stat -x, --per-core -a true 2>&1 | commachecker --per-core - echo "[Success]" -} - -check_per_thread() -{ - echo -n "Checking CSV output: per thread " - if ParanoidAndNotRoot 0 - then - echo "[Skip] paranoid and not root" - return - fi - perf stat -x, --per-thread -a true 2>&1 | commachecker --per-thread - echo "[Success]" -} - -check_per_die() -{ - echo -n "Checking CSV output: per die " - if ParanoidAndNotRoot 0 - then - echo "[Skip] paranoid and not root" - return - fi - perf stat -x, --per-die -a true 2>&1 | commachecker --per-die - echo "[Success]" -} - -check_per_node() -{ - echo -n "Checking CSV output: per node " - if ParanoidAndNotRoot 0 - then - echo "[Skip] paranoid and not root" - return - fi - perf stat -x, --per-node -a true 2>&1 | commachecker --per-node - echo "[Success]" -} - -check_per_socket() -{ - echo -n "Checking CSV output: per socket " - if ParanoidAndNotRoot 0 - then - echo "[Skip] paranoid and not root" - return - fi - perf stat -x, --per-socket -a true 2>&1 | commachecker --per-socket - echo "[Success]" -} - -# The perf stat options for per-socket, per-core, per-die -# and -A ( no_aggr mode ) uses the info fetched from this -# directory: "/sys/devices/system/cpu/cpu*/topology". For -# example, socket value is fetched from "physical_package_id" -# file in topology directory. -# Reference: cpu__get_topology_int in util/cpumap.c -# If the platform doesn't expose topology information, values -# will be set to -1. For example, incase of pSeries platform -# of powerpc, value for "physical_package_id" is restricted -# and set to -1. Check here validates the socket-id read from -# topology file before proceeding further - -FILE_LOC="/sys/devices/system/cpu/cpu*/topology/" -FILE_NAME="physical_package_id" - -check_for_topology() -{ - if ! ParanoidAndNotRoot 0 - then - socket_file=`ls $FILE_LOC/$FILE_NAME | head -n 1` - [ -z $socket_file ] && return 0 - socket_id=`cat $socket_file` - [ $socket_id == -1 ] && skip_test=1 - return 0 - fi -} +perf_cmd="-x$csv_sep -o ${stat_output}" -check_for_topology -check_no_args -check_system_wide -check_interval -check_event -check_per_thread -check_per_node +skip_test=$(check_for_topology) +check_no_args "CSV" "$perf_cmd" +check_system_wide "CSV" "$perf_cmd" +check_interval "CSV" "$perf_cmd" +check_event "CSV" "$perf_cmd" +check_per_thread "CSV" "$perf_cmd" +check_per_node "CSV" "$perf_cmd" +check_metric_only "CSV" "$perf_cmd" if [ $skip_test -ne 1 ] then - check_system_wide_no_aggr - check_per_core - check_per_die - check_per_socket + check_system_wide_no_aggr "CSV" "$perf_cmd" + check_per_core "CSV" "$perf_cmd" + check_per_cache_instance "CSV" "$perf_cmd" + check_per_cluster "CSV" "$perf_cmd" + check_per_die "CSV" "$perf_cmd" + check_per_socket "CSV" "$perf_cmd" else echo "[Skip] Skipping tests for system_wide_no_aggr, per_core, per_die and per_socket since socket id exposed via topology is invalid" fi +cleanup exit 0 diff --git a/tools/perf/tests/shell/stat+csv_summary.sh b/tools/perf/tests/shell/stat+csv_summary.sh index 5571ff75eb42..9a4353db3825 100755 --- a/tools/perf/tests/shell/stat+csv_summary.sh +++ b/tools/perf/tests/shell/stat+csv_summary.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # perf stat csv summary test # SPDX-License-Identifier: GPL-2.0 @@ -10,7 +10,7 @@ set -e # perf stat -e cycles -x' ' -I1000 --interval-count 1 --summary 2>&1 | \ grep -e summary | \ -while read summary num event run pct +while read summary _ _ _ _ do if [ $summary != "summary" ]; then exit 1 @@ -23,7 +23,7 @@ done # perf stat -e cycles -x' ' -I1000 --interval-count 1 --summary --no-csv-summary 2>&1 | \ grep -e summary | \ -while read num event run pct +while read _ _ _ _ do exit 1 done diff --git a/tools/perf/tests/shell/stat+event_uniquifying.sh b/tools/perf/tests/shell/stat+event_uniquifying.sh new file mode 100755 index 000000000000..b5dec6b6da36 --- /dev/null +++ b/tools/perf/tests/shell/stat+event_uniquifying.sh @@ -0,0 +1,66 @@ +#!/bin/bash +# perf stat events uniquifying +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +stat_output=$(mktemp /tmp/__perf_test.stat_output.XXXXX) + +cleanup() { + rm -f "${stat_output}" + + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_event_uniquifying() { + echo "Uniquification of PMU sysfs events test" + + # Read events from perf list with and without -v. With -v the duplicate PMUs + # aren't deduplicated. Note, json events are listed by perf list without a + # PMU. + read -ra pmu_events <<< "$(perf list --raw pmu)" + read -ra pmu_v_events <<< "$(perf list -v --raw pmu)" + # For all non-deduplicated events. + for pmu_v_event in "${pmu_v_events[@]}"; do + # If the event matches an event in the deduplicated events then it musn't + # be an event with duplicate PMUs, continue the outer loop. + for pmu_event in "${pmu_events[@]}"; do + if [[ "$pmu_v_event" == "$pmu_event" ]]; then + continue 2 + fi + done + # Strip the suffix from the non-deduplicated event's PMU. + event=$(echo "$pmu_v_event" | sed -E 's/_[0-9]+//') + for pmu_event in "${pmu_events[@]}"; do + if [[ "$event" == "$pmu_event" ]]; then + echo "Testing event ${event} is uniquified to ${pmu_v_event}" + if ! perf stat -e "$event" -A -o ${stat_output} -- true; then + echo "Error running perf stat for event '$event' [Skip]" + if [ $err = 0 ]; then + err=2 + fi + continue + fi + # Ensure the non-deduplicated event appears in the output. + if ! grep -q "${pmu_v_event}" "${stat_output}"; then + echo "Uniquification of PMU sysfs events test [Failed]" + cat "${stat_output}" + err=1 + fi + break + fi + done + done +} + +test_event_uniquifying +cleanup +exit $err diff --git a/tools/perf/tests/shell/stat+json_output.sh b/tools/perf/tests/shell/stat+json_output.sh index 2c4212c641ed..85d1ad7186c6 100755 --- a/tools/perf/tests/shell/stat+json_output.sh +++ b/tools/perf/tests/shell/stat+json_output.sh @@ -8,31 +8,36 @@ set -e skip_test=0 +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh pythonchecker=$(dirname $0)/lib/perf_json_output_lint.py -if [ "x$PYTHON" == "x" ] -then - if which python3 > /dev/null - then - PYTHON=python3 - elif which python > /dev/null - then - PYTHON=python - else - echo Skipping test, python not detected please set environment variable PYTHON. - exit 2 - fi -fi + +stat_output=$(mktemp /tmp/__perf_test.stat_output.json.XXXXX) + +cleanup() { + rm -f "${stat_output}" + + trap - EXIT TERM INT +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT # Return true if perf_event_paranoid is > $1 and not running as root. function ParanoidAndNotRoot() { - [ $(id -u) != 0 ] && [ $(cat /proc/sys/kernel/perf_event_paranoid) -gt $1 ] + [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] } check_no_args() { echo -n "Checking json output: no args " - perf stat -j true 2>&1 | $PYTHON $pythonchecker --no-args + perf stat -j -o "${stat_output}" true + $PYTHON $pythonchecker --no-args --file "${stat_output}" echo "[Success]" } @@ -44,27 +49,29 @@ check_system_wide() echo "[Skip] paranoia and not root" return fi - perf stat -j -a true 2>&1 | $PYTHON $pythonchecker --system-wide + perf stat -j -a -o "${stat_output}" true + $PYTHON $pythonchecker --system-wide --file "${stat_output}" echo "[Success]" } check_system_wide_no_aggr() { - echo -n "Checking json output: system wide " + echo -n "Checking json output: system wide no aggregation " if ParanoidAndNotRoot 0 then echo "[Skip] paranoia and not root" return fi - echo -n "Checking json output: system wide no aggregation " - perf stat -j -A -a --no-merge true 2>&1 | $PYTHON $pythonchecker --system-wide-no-aggr + perf stat -j -A -a --no-merge -o "${stat_output}" true + $PYTHON $pythonchecker --system-wide-no-aggr --file "${stat_output}" echo "[Success]" } check_interval() { echo -n "Checking json output: interval " - perf stat -j -I 1000 true 2>&1 | $PYTHON $pythonchecker --interval + perf stat -j -I 1000 -o "${stat_output}" true + $PYTHON $pythonchecker --interval --file "${stat_output}" echo "[Success]" } @@ -72,7 +79,8 @@ check_interval() check_event() { echo -n "Checking json output: event " - perf stat -j -e cpu-clock true 2>&1 | $PYTHON $pythonchecker --event + perf stat -j -e cpu-clock -o "${stat_output}" true + $PYTHON $pythonchecker --event --file "${stat_output}" echo "[Success]" } @@ -84,7 +92,8 @@ check_per_core() echo "[Skip] paranoia and not root" return fi - perf stat -j --per-core -a true 2>&1 | $PYTHON $pythonchecker --per-core + perf stat -j --per-core -a -o "${stat_output}" true + $PYTHON $pythonchecker --per-core --file "${stat_output}" echo "[Success]" } @@ -96,7 +105,32 @@ check_per_thread() echo "[Skip] paranoia and not root" return fi - perf stat -j --per-thread -a true 2>&1 | $PYTHON $pythonchecker --per-thread + perf stat -j --per-thread -p $$ -o "${stat_output}" true + $PYTHON $pythonchecker --per-thread --file "${stat_output}" + echo "[Success]" +} + +check_per_cache_instance() +{ + echo -n "Checking json output: per cache_instance " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoia and not root" + return + fi + perf stat -j --per-cache -a true 2>&1 | $PYTHON $pythonchecker --per-cache + echo "[Success]" +} + +check_per_cluster() +{ + echo -n "Checking json output: per cluster " + if ParanoidAndNotRoot 0 + then + echo "[Skip] paranoia and not root" + return + fi + perf stat -j --per-cluster -a true 2>&1 | $PYTHON $pythonchecker --per-cluster echo "[Success]" } @@ -108,7 +142,8 @@ check_per_die() echo "[Skip] paranoia and not root" return fi - perf stat -j --per-die -a true 2>&1 | $PYTHON $pythonchecker --per-die + perf stat -j --per-die -a -o "${stat_output}" true + $PYTHON $pythonchecker --per-die --file "${stat_output}" echo "[Success]" } @@ -120,7 +155,8 @@ check_per_node() echo "[Skip] paranoia and not root" return fi - perf stat -j --per-node -a true 2>&1 | $PYTHON $pythonchecker --per-node + perf stat -j --per-node -a -o "${stat_output}" true + $PYTHON $pythonchecker --per-node --file "${stat_output}" echo "[Success]" } @@ -132,7 +168,21 @@ check_per_socket() echo "[Skip] paranoia and not root" return fi - perf stat -j --per-socket -a true 2>&1 | $PYTHON $pythonchecker --per-socket + perf stat -j --per-socket -a -o "${stat_output}" true + $PYTHON $pythonchecker --per-socket --file "${stat_output}" + echo "[Success]" +} + +check_metric_only() +{ + echo -n "Checking json output: metric only " + if [ "$(uname -m)" = "s390x" ] && ! grep '^facilities' /proc/cpuinfo | grep -qw 67 + then + echo "[Skip] CPU-measurement counter facility not installed" + return + fi + perf stat -j --metric-only -M page_faults_per_second -o "${stat_output}" true + $PYTHON $pythonchecker --metric-only --file "${stat_output}" echo "[Success]" } @@ -170,13 +220,17 @@ check_interval check_event check_per_thread check_per_node +check_metric_only if [ $skip_test -ne 1 ] then check_system_wide_no_aggr check_per_core + check_per_cache_instance + check_per_cluster check_per_die check_per_socket else echo "[Skip] Skipping tests for system_wide_no_aggr, per_core, per_die and per_socket since socket id exposed via topology is invalid" fi +cleanup exit 0 diff --git a/tools/perf/tests/shell/stat+shadow_stat.sh b/tools/perf/tests/shell/stat+shadow_stat.sh index e6e35fc6c882..cabbbf17c662 100755 --- a/tools/perf/tests/shell/stat+shadow_stat.sh +++ b/tools/perf/tests/shell/stat+shadow_stat.sh @@ -1,9 +1,11 @@ -#!/bin/sh +#!/bin/bash # perf stat metrics (shadow stat) test # SPDX-License-Identifier: GPL-2.0 set -e +THRESHOLD=0.015 + # skip if system-wide mode is forbidden perf stat -a true > /dev/null 2>&1 || exit 2 @@ -12,9 +14,9 @@ perf stat -a -e cycles sleep 1 2>&1 | grep -e cpu_core && exit 2 test_global_aggr() { - perf stat -a --no-big-num -e cycles,instructions sleep 1 2>&1 | \ + perf stat -a --no-big-num -M insn_per_cycle sleep 1 2>&1 | \ grep -e cycles -e instructions | \ - while read num evt hash ipc rest + while read num evt _ ipc rest do # skip not counted events if [ "$num" = "<not" ]; then @@ -33,19 +35,27 @@ test_global_aggr() fi # use printf for rounding and a leading zero - res=`printf "%.2f" $(echo "scale=6; $num / $cyc" | bc -q)` + res=`echo $num $cyc | awk '{printf "%.2f", $1 / $2}'` if [ "$ipc" != "$res" ]; then - echo "IPC is different: $res != $ipc ($num / $cyc)" - exit 1 + # check the difference from the real result for FP imperfections + diff=`echo $ipc $res $THRESHOLD | \ + awk '{x = ($1 - $2) < 0 ? ($2 - $1) : ($1 - $2); print (x > $3)}'` + + if [ $diff -eq 1 ]; then + echo "IPC is different: $res != $ipc ($num / $cyc)" + exit 1 + fi + + echo "Warning: Difference of IPC is under the threshold" fi done } test_no_aggr() { - perf stat -a -A --no-big-num -e cycles,instructions sleep 1 2>&1 | \ + perf stat -a -A --no-big-num -M insn_per_cycle sleep 1 2>&1 | \ grep ^CPU | \ - while read cpu num evt hash ipc rest + while read cpu num evt _ ipc rest do # skip not counted events if [ "$num" = "<not" ]; then @@ -67,10 +77,18 @@ test_no_aggr() fi # use printf for rounding and a leading zero - res=`printf "%.2f" $(echo "scale=6; $num / $cyc" | bc -q)` + res=`echo $num $cyc | awk '{printf "%.2f", $1 / $2}'` if [ "$ipc" != "$res" ]; then - echo "IPC is different for $cpu: $res != $ipc ($num / $cyc)" - exit 1 + # check difference from the real result for FP imperfections + diff=`echo $ipc $res $THRESHOLD | \ + awk '{x = ($1 - $2) < 0 ? ($2 - $1) : ($1 - $2); print (x > $3)}'` + + if [ $diff -eq 1 ]; then + echo "IPC is different: $res != $ipc ($num / $cyc)" + exit 1 + fi + + echo "Warning: Difference of IPC is under the threshold" fi done } diff --git a/tools/perf/tests/shell/stat+std_output.sh b/tools/perf/tests/shell/stat+std_output.sh new file mode 100755 index 000000000000..9c4b92ecf448 --- /dev/null +++ b/tools/perf/tests/shell/stat+std_output.sh @@ -0,0 +1,122 @@ +#!/bin/bash +# perf stat STD output linter +# SPDX-License-Identifier: GPL-2.0 +# Tests various perf stat STD output commands for +# default event and metricgroup + +set -e + +# shellcheck source=lib/stat_output.sh +. "$(dirname $0)"/lib/stat_output.sh + +stat_output=$(mktemp /tmp/__perf_test.stat_output.std.XXXXX) + +event_name=(cpu-clock task-clock context-switches cpu-migrations page-faults stalled-cycles-frontend stalled-cycles-backend cycles instructions branches branch-misses) +event_metric=("CPUs_utilized" "CPUs_utilized" "cs/sec" "migrations/sec" "faults/sec" "frontend_cycles_idle" "backend_cycles_idle" "GHz" "insn_per_cycle" "/sec" "branch_miss_rate") +skip_metric=("tma_" "TopdownL1") + +cleanup() { + rm -f "${stat_output}" + + trap - EXIT TERM INT +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +function commachecker() +{ + local prefix=1 + local -i metric_only=0 + + case "$1" + in "--interval") prefix=2 + ;; "--per-thread") prefix=2 + ;; "--system-wide-no-aggr") prefix=2 + ;; "--per-core") prefix=3 + ;; "--per-socket") prefix=3 + ;; "--per-node") prefix=3 + ;; "--per-die") prefix=3 + ;; "--per-cache") prefix=3 + ;; "--per-cluster") prefix=3 + ;; "--metric-only") metric_only=1 + esac + + while read line + do + # Ignore initial "started on" comment. + x=${line:0:1} + [ "$x" = "#" ] && continue + # Ignore initial blank line. + [ "$line" = "" ] && continue + # Ignore "Performance counter stats" + x=${line:0:25} + [ "$x" = "Performance counter stats" ] && continue + # Ignore "seconds time elapsed" and break + [[ "$line" == *"time elapsed"* ]] && break + + main_body=$(echo $line | cut -d' ' -f$prefix-) + x=${main_body%#*} + [ "$x" = "" ] && continue + + # Check metric only - if it has a non-empty result + [ $metric_only -eq 1 ] && return 0 + + # Skip metrics without event name + y=${main_body#*#} + for i in "${!skip_metric[@]}"; do + [[ "$y" == *"${skip_metric[$i]}"* ]] && break + done + [[ "$y" == *"${skip_metric[$i]}"* ]] && continue + + # Check default event + for i in "${!event_name[@]}"; do + [[ "$x" == *"${event_name[$i]}"* ]] && break + done + + [[ ! "$x" == *"${event_name[$i]}"* ]] && { + echo "Unknown event name in $line" 1>&2 + exit 1; + } + + # Check event metric if it exists + [[ ! "$main_body" == *"#"* ]] && continue + [[ ! "$main_body" == *"${event_metric[$i]}"* ]] && { + echo "wrong event metric. expected ${event_metric[$i]} in $line" 1>&2 + exit 1; + } + done < "${stat_output}" + + if [ $metric_only -ne 1 ] + then + echo "Missing metric only output in:" + cat "${stat_output}" + fi + return 0 +} + +perf_cmd="-o ${stat_output}" + +skip_test=$(check_for_topology) +check_no_args "STD" "$perf_cmd" +check_system_wide "STD" "$perf_cmd" +check_interval "STD" "$perf_cmd" +check_per_thread "STD" "$perf_cmd" +check_per_node "STD" "$perf_cmd" +check_metric_only "STD" "$perf_cmd" +if [ $skip_test -ne 1 ] +then + check_system_wide_no_aggr "STD" "$perf_cmd" + check_per_core "STD" "$perf_cmd" + check_per_cache_instance "STD" "$perf_cmd" + check_per_cluster "STD" "$perf_cmd" + check_per_die "STD" "$perf_cmd" + check_per_socket "STD" "$perf_cmd" +else + echo "[Skip] Skipping tests for system_wide_no_aggr, per_core, per_die and per_socket since socket id exposed via topology is invalid" +fi +cleanup +exit 0 diff --git a/tools/perf/tests/shell/stat.sh b/tools/perf/tests/shell/stat.sh index 2c1d3f704995..0b2f0f88ca16 100755 --- a/tools/perf/tests/shell/stat.sh +++ b/tools/perf/tests/shell/stat.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # perf stat tests # SPDX-License-Identifier: GPL-2.0 @@ -16,9 +16,46 @@ test_default_stat() { echo "Basic stat command test [Success]" } +test_null_stat() { + echo "Null stat command test" + if ! perf stat --null true 2>&1 | grep -E -q "Performance counter stats for 'true':" + then + echo "Null stat command test [Failed]" + err=1 + return + fi + echo "Null stat command test [Success]" +} + +find_offline_cpu() { + for i in $(seq 1 4096) + do + if [[ ! -f /sys/devices/system/cpu/cpu$i/online || \ + $(cat /sys/devices/system/cpu/cpu$i/online) == "0" ]] + then + echo $i + return + fi + done + echo "Failed to find offline CPU" + exit 1 +} + +test_offline_cpu_stat() { + cpu=$(find_offline_cpu) + echo "Offline CPU stat command test (cpu $cpu)" + if ! perf stat "-C$cpu" -e cycles true 2>&1 | grep -E -q "No supported events found." + then + echo "Offline CPU stat command test [Failed]" + err=1 + return + fi + echo "Offline CPU stat command test [Success]" +} + test_stat_record_report() { echo "stat record and report test" - if ! perf stat record -o - true | perf stat report -i - 2>&1 | \ + if ! perf stat record -e task-clock -o - true | perf stat report -i - 2>&1 | \ grep -E -q "Performance counter stats for 'pipe':" then echo "stat record and report test [Failed]" @@ -28,6 +65,18 @@ test_stat_record_report() { echo "stat record and report test [Success]" } +test_stat_record_script() { + echo "stat record and script test" + if ! perf stat record -e task-clock -o - true | perf script -i - 2>&1 | \ + grep -E -q "CPU[[:space:]]+THREAD[[:space:]]+VAL[[:space:]]+ENA[[:space:]]+RUN[[:space:]]+TIME[[:space:]]+EVENT" + then + echo "stat record and script test [Failed]" + err=1 + return + fi + echo "stat record and script test [Success]" +} + test_stat_repeat_weak_groups() { echo "stat repeat weak groups test" if ! perf stat -e '{cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles,cycles}' \ @@ -55,19 +104,54 @@ test_topdown_groups() { echo "Topdown event group test [Skipped event parsing failed]" return fi - if perf stat -e '{slots,topdown-retiring}' true 2>&1 | grep -E -q "<not supported>" + td_err=0 + do_topdown_group_test() { + events=$1 + failure=$2 + if perf stat -e "$events" true 2>&1 | grep -E -q "<not supported>" + then + echo "Topdown event group test [Failed $failure for '$events']" + td_err=1 + return + fi + } + do_topdown_group_test "{slots,topdown-retiring}" "events not supported" + do_topdown_group_test "{instructions,r400,r8000}" "raw format slots not reordered first" + filler_events=("instructions" "cycles" + "context-switches" "faults") + for ((i = 0; i < ${#filler_events[@]}; i+=2)) + do + filler1=${filler_events[i]} + filler2=${filler_events[i+1]} + do_topdown_group_test "$filler1,topdown-retiring,slots" \ + "slots not reordered first in no-group case" + do_topdown_group_test "slots,$filler1,topdown-retiring" \ + "topdown metrics event not reordered in no-group case" + do_topdown_group_test "{$filler1,topdown-retiring,slots}" \ + "slots not reordered first in single group case" + do_topdown_group_test "{$filler1,slots},topdown-retiring" \ + "topdown metrics event not move into slots group" + do_topdown_group_test "topdown-retiring,{$filler1,slots}" \ + "topdown metrics event not move into slots group last" + do_topdown_group_test "{$filler1,slots},{topdown-retiring}" \ + "topdown metrics group not merge into slots group" + do_topdown_group_test "{topdown-retiring},{$filler1,slots}" \ + "topdown metrics group not merge into slots group last" + do_topdown_group_test "{$filler1,slots},$filler2,topdown-retiring" \ + "non-adjacent topdown metrics group not move into slots group" + do_topdown_group_test "$filler2,topdown-retiring,{$filler1,slots}" \ + "non-adjacent topdown metrics group not move into slots group last" + do_topdown_group_test "{$filler1,slots},{$filler2,topdown-retiring}" \ + "metrics group not merge into slots group" + do_topdown_group_test "{$filler1,topdown-retiring},{$filler2,slots}" \ + "metrics group not merge into slots group last" + done + if test "$td_err" -eq 0 then - echo "Topdown event group test [Failed events not supported]" - err=1 - return - fi - if perf stat -e '{topdown-retiring,slots}' true 2>&1 | grep -E -q "<not supported>" - then - echo "Topdown event group test [Failed slots not reordered first]" - err=1 - return + echo "Topdown event group test [Success]" + else + err="$td_err" fi - echo "Topdown event group test [Success]" } test_topdown_weak_groups() { @@ -91,9 +175,87 @@ test_topdown_weak_groups() { echo "Topdown weak groups test [Success]" } +test_cputype() { + # Test --cputype argument. + echo "cputype test" + + # Bogus PMU should fail. + if perf stat --cputype="123" -e instructions true > /dev/null 2>&1 + then + echo "cputype test [Bogus PMU didn't fail]" + err=1 + return + fi + + # Find a known PMU for cputype. + pmu="" + devs="/sys/bus/event_source/devices" + for i in $devs/cpu $devs/cpu_atom $devs/armv8_pmuv3_0 $devs/armv8_cortex_* + do + i_base=$(basename "$i") + if test -d "$i" + then + pmu="$i_base" + break + fi + if perf stat -e "$i_base/instructions/" true > /dev/null 2>&1 + then + pmu="$i_base" + break + fi + done + if test "x$pmu" = "x" + then + echo "cputype test [Skipped known PMU not found]" + return + fi + + # Test running with cputype produces output. + if ! perf stat --cputype="$pmu" -e instructions true 2>&1 | grep -E -q "instructions" + then + echo "cputype test [Failed count missed with given filter]" + err=1 + return + fi + echo "cputype test [Success]" +} + +test_hybrid() { + # Test the default stat command on hybrid devices opens one cycles event for + # each CPU type. + echo "hybrid test" + + # Count the number of core PMUs, assume minimum of 1 + pmus=$(ls /sys/bus/event_source/devices/*/cpus 2>/dev/null | wc -l) + if [ "$pmus" -lt 1 ] + then + pmus=1 + fi + + # Run default Perf stat + cycles_events=$(perf stat -a -- sleep 0.1 2>&1 | grep -E "/cpu-cycles/[uH]*| cpu-cycles[:uH]* " -c) + + # The expectation is that default output will have a cycles events on each + # hybrid PMU. In situations with no cycles PMU events, like virtualized, this + # can fall back to task-clock and so the end count may be 0. Fail if neither + # condition holds. + if [ "$pmus" -ne "$cycles_events" ] && [ "0" -ne "$cycles_events" ] + then + echo "hybrid test [Found $pmus PMUs but $cycles_events cycles events. Failed]" + err=1 + return + fi + echo "hybrid test [Success]" +} + test_default_stat +test_null_stat +test_offline_cpu_stat test_stat_record_report +test_stat_record_script test_stat_repeat_weak_groups test_topdown_groups test_topdown_weak_groups +test_cputype +test_hybrid exit $err diff --git a/tools/perf/tests/shell/stat_all_metricgroups.sh b/tools/perf/tests/shell/stat_all_metricgroups.sh index cb35e488809a..1400880ec01f 100755 --- a/tools/perf/tests/shell/stat_all_metricgroups.sh +++ b/tools/perf/tests/shell/stat_all_metricgroups.sh @@ -1,12 +1,51 @@ -#!/bin/sh +#!/bin/bash # perf all metricgroups test # SPDX-License-Identifier: GPL-2.0 -set -e +ParanoidAndNotRoot() +{ + [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] +} -for m in $(perf list --raw-dump metricgroups); do +system_wide_flag="-a" +if ParanoidAndNotRoot 0 +then + system_wide_flag="" +fi +err=0 +for m in $(perf list --raw-dump metricgroups) +do echo "Testing $m" - perf stat -M "$m" -a true + result=$(perf stat -M "$m" $system_wide_flag sleep 0.01 2>&1) + result_err=$? + if [[ $result_err -gt 0 ]] + then + if [[ "$result" =~ \ + "Access to performance monitoring and observability operations is limited" ]] + then + echo "Permission failure" + echo $result + if [[ $err -eq 0 ]] + then + err=2 # Skip + fi + elif [[ "$result" =~ "in per-thread mode, enable system wide" ]] + then + echo "Permissions - need system wide mode" + echo $result + if [[ $err -eq 0 ]] + then + err=2 # Skip + fi + elif [[ "$m" == @(Default2|Default3|Default4) ]] + then + echo "Ignoring failures in $m that may contain unsupported legacy events" + else + echo "Metric group $m failed" + echo $result + err=1 # Fail + fi + fi done -exit 0 +exit $err diff --git a/tools/perf/tests/shell/stat_all_metrics.sh b/tools/perf/tests/shell/stat_all_metrics.sh index 6e79349e42be..3dabb39c7cc8 100755 --- a/tools/perf/tests/shell/stat_all_metrics.sh +++ b/tools/perf/tests/shell/stat_all_metrics.sh @@ -2,42 +2,115 @@ # perf all metrics test # SPDX-License-Identifier: GPL-2.0 +ParanoidAndNotRoot() +{ + [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] +} + +test_prog="sleep 0.01" +system_wide_flag="-a" +if ParanoidAndNotRoot 0 +then + system_wide_flag="" + test_prog="perf test -w noploop" +fi + err=0 for m in $(perf list --raw-dump metrics); do echo "Testing $m" - result=$(perf stat -M "$m" true 2>&1) - if [[ "$result" =~ "${m:0:50}" ]] || [[ "$result" =~ "<not supported>" ]] + result=$(perf stat -M "$m" $system_wide_flag -- $test_prog 2>&1) + result_err=$? + if [[ $result_err -eq 0 && "$result" =~ ${m:0:50} ]] then + # No error result and metric shown. continue fi - # Failed so try system wide. - result=$(perf stat -M "$m" -a true 2>&1) - if [[ "$result" =~ "${m:0:50}" ]] + if [[ "$result" =~ "Cannot resolve IDs for" || "$result" =~ "No supported events found" ]] then + if [[ $(perf list --raw-dump $m) == "Default"* ]] + then + echo "[Ignored $m] failed but as a Default metric this can be expected" + echo $result + continue + fi + echo "[Failed $m] Metric contains missing events" + echo $result + err=1 # Fail continue - fi - # Failed again, possibly the workload was too small so retry with something - # longer. - result=$(perf stat -M "$m" perf bench internals synthesize 2>&1) - if [[ "$result" =~ "${m:0:50}" ]] + elif [[ "$result" =~ \ + "Access to performance monitoring and observability operations is limited" ]] then + echo "[Skipped $m] Permission failure" + echo $result + if [[ $err -eq 0 ]] + then + err=2 # Skip + fi continue - fi - echo "Metric '$m' not printed in:" - echo "$result" - if [[ "$err" != "1" ]] + elif [[ "$result" =~ "in per-thread mode, enable system wide" ]] + then + echo "[Skipped $m] Permissions - need system wide mode" + echo $result + if [[ $err -eq 0 ]] + then + err=2 # Skip + fi + continue + elif [[ "$result" =~ "<not supported>" ]] + then + if [[ $(perf list --raw-dump $m) == "Default"* ]] + then + echo "[Ignored $m] failed but as a Default metric this can be expected" + echo $result + continue + fi + echo "[Skipped $m] Not supported events" + echo $result + if [[ $err -eq 0 ]] + then + err=2 # Skip + fi + continue + elif [[ "$result" =~ "<not counted>" ]] + then + echo "[Skipped $m] Not counted events" + echo $result + if [[ $err -eq 0 ]] + then + err=2 # Skip + fi + continue + elif [[ "$result" =~ "FP_ARITH" || "$result" =~ "AMX" ]] then - err=2 - if [[ "$result" =~ "FP_ARITH" || "$result" =~ "AMX" ]] + echo "[Skipped $m] FP issues" + echo $result + if [[ $err -eq 0 ]] then - echo "Skip, not fail, for FP issues" - elif [[ "$result" =~ "PMM" ]] + err=2 # Skip + fi + continue + elif [[ "$result" =~ "PMM" ]] + then + echo "[Skipped $m] Optane memory issues" + echo $result + if [[ $err -eq 0 ]] then - echo "Skip, not fail, for Optane memory issues" - else - err=1 + err=2 # Skip fi + continue + fi + + # Failed, possibly the workload was too small so retry with something longer. + result=$(perf stat -M "$m" $system_wide_flag -- perf bench internals synthesize 2>&1) + result_err=$? + if [[ $result_err -eq 0 && "$result" =~ ${m:0:50} ]] + then + # No error result and metric shown. + continue fi + echo "[Failed $m] has non-zero error '$result_err' or not printed in:" + echo "$result" + err=1 done exit "$err" diff --git a/tools/perf/tests/shell/stat_all_pfm.sh b/tools/perf/tests/shell/stat_all_pfm.sh new file mode 100755 index 000000000000..c08c186af2c4 --- /dev/null +++ b/tools/perf/tests/shell/stat_all_pfm.sh @@ -0,0 +1,51 @@ +#!/bin/bash +# perf all libpfm4 events test +# SPDX-License-Identifier: GPL-2.0 + +if perf version --build-options | grep HAVE_LIBPFM | grep -q OFF +then + echo "Skipping, no libpfm4 support" + exit 2 +fi + +err=0 +for p in $(perf list --raw-dump pfm) +do + if echo "$p" | grep -q unc_ + then + echo "Skipping uncore event '$p' that may require additional options." + continue + fi + echo "Testing $p" + result=$(perf stat --pfm-events "$p" true 2>&1) + x=$? + if echo "$result" | grep -q "failed to parse event $p : invalid or missing unit mask" + then + continue + fi + if test "$x" -ne "0" + then + echo "Unexpected exit code '$x'" + err=1 + fi + if ! echo "$result" | grep -q "$p" && ! echo "$result" | grep -q "<not supported>" + then + # We failed to see the event and it is supported. Possibly the workload was + # too small so retry with something longer. + result=$(perf stat --pfm-events "$p" perf bench internals synthesize 2>&1) + x=$? + if test "$x" -ne "0" + then + echo "Unexpected exit code '$x'" + err=1 + fi + if ! echo "$result" | grep -q "$p" + then + echo "Event '$p' not printed in:" + echo "$result" + err=1 + fi + fi +done + +exit "$err" diff --git a/tools/perf/tests/shell/stat_all_pmu.sh b/tools/perf/tests/shell/stat_all_pmu.sh index c77955419173..9c466c0efa85 100755 --- a/tools/perf/tests/shell/stat_all_pmu.sh +++ b/tools/perf/tests/shell/stat_all_pmu.sh @@ -1,23 +1,71 @@ -#!/bin/sh -# perf all PMU test +#!/bin/bash +# perf all PMU test (exclusive) # SPDX-License-Identifier: GPL-2.0 -set -e +err=0 +result="" -# Test all PMU events; however exclude parametrized ones (name contains '?') -for p in $(perf list --raw-dump pmu | sed 's/[[:graph:]]\+?[[:graph:]]\+[[:space:]]//g'); do - echo "Testing $p" - result=$(perf stat -e "$p" true 2>&1) - if ! echo "$result" | grep -q "$p" && ! echo "$result" | grep -q "<not supported>" ; then - # We failed to see the event and it is supported. Possibly the workload was - # too small so retry with something longer. - result=$(perf stat -e "$p" perf bench internals synthesize 2>&1) - if ! echo "$result" | grep -q "$p" ; then - echo "Event '$p' not printed in:" - echo "$result" - exit 1 +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + echo "$result" + exit 1 +} +trap trap_cleanup EXIT TERM INT + +# Test all PMU events; however exclude parameterized ones (name contains '?') +for p in $(perf list --raw-dump pmu | sed 's/[[:graph:]]\+?[[:graph:]]\+[[:space:]]//g') +do + echo -n "Testing $p -- " + output=$(perf stat -e "$p" true 2>&1) + stat_result=$? + if echo "$output" | grep -q "$p" + then + # Event seen in output. + if [ $stat_result -eq 0 ] && ! echo "$output" | grep -q "<not supported>" + then + # Event supported. + echo "supported" + continue + elif echo "$output" | grep -q "<not supported>" + then + # Event not supported, so ignore. + echo "not supported" + continue + elif echo "$output" | grep -q "No permission to enable" + then + # No permissions, so ignore. + echo "no permission to enable" + continue + elif echo "$output" | grep -q "Bad event name" + then + # Non-existent event. + echo "Error: Bad event name" + echo "$output" + err=1 + continue fi fi + + if echo "$output" | grep -q "Access to performance monitoring and observability operations is limited." + then + # Access is limited, so ignore. + echo "access limited" + continue + fi + + # We failed to see the event and it is supported. Possibly the workload was + # too small so retry with something longer. + output=$(perf stat -e "$p" perf bench internals synthesize 2>&1) + if echo "$output" | grep -q "$p" + then + # Event seen in output. + echo "supported" + continue + fi + echo "Error: event '$p' not printed in:" + echo "$output" + err=1 done -exit 0 +trap - EXIT TERM INT +exit $err diff --git a/tools/perf/tests/shell/stat_bpf_counters.sh b/tools/perf/tests/shell/stat_bpf_counters.sh index 13473aeba489..f43e28a136d3 100755 --- a/tools/perf/tests/shell/stat_bpf_counters.sh +++ b/tools/perf/tests/shell/stat_bpf_counters.sh @@ -1,45 +1,74 @@ -#!/bin/sh -# perf stat --bpf-counters test +#!/bin/bash +# perf stat --bpf-counters test (exclusive) # SPDX-License-Identifier: GPL-2.0 set -e -# check whether $2 is within +/- 10% of $1 +workload="perf test -w sqrtloop" + +# check whether $2 is within +/- 20% of $1 compare_number() { - first_num=$1 - second_num=$2 - - # upper bound is first_num * 110% - upper=$(expr $first_num + $first_num / 10 ) - # lower bound is first_num * 90% - lower=$(expr $first_num - $first_num / 10 ) - - if [ $second_num -gt $upper ] || [ $second_num -lt $lower ]; then - echo "The difference between $first_num and $second_num are greater than 10%." - exit 1 - fi + first_num=$1 + second_num=$2 + + # upper bound is first_num * 120% + upper=$(expr $first_num + $first_num / 5 ) + # lower bound is first_num * 80% + lower=$(expr $first_num - $first_num / 5 ) + + if [ $second_num -gt $upper ] || [ $second_num -lt $lower ]; then + echo "The difference between $first_num and $second_num are greater than 20%." + exit 1 + fi +} + +check_counts() +{ + base_instructions=$1 + bpf_instructions=$2 + + if [ "$base_instructions" = "<not" ]; then + echo "Skipping: instructions event not counted" + exit 2 + fi + if [ "$bpf_instructions" = "<not" ]; then + echo "Failed: instructions not counted with --bpf-counters" + exit 1 + fi +} + +test_bpf_counters() +{ + printf "Testing --bpf-counters " + base_instructions=$(perf stat --no-big-num -e instructions -- $workload 2>&1 | awk '/instructions/ {print $1}') + bpf_instructions=$(perf stat --no-big-num --bpf-counters -e instructions -- $workload 2>&1 | awk '/instructions/ {print $1}') + check_counts $base_instructions $bpf_instructions + compare_number $base_instructions $bpf_instructions + echo "[Success]" +} + +test_bpf_modifier() +{ + printf "Testing bpf event modifier " + stat_output=$(perf stat --no-big-num -e instructions/name=base_instructions/,instructions/name=bpf_instructions/b -- $workload 2>&1) + base_instructions=$(echo "$stat_output"| awk '/base_instructions/ {print $1}') + bpf_instructions=$(echo "$stat_output"| awk '/bpf_instructions/ {print $1}') + check_counts $base_instructions $bpf_instructions + compare_number $base_instructions $bpf_instructions + echo "[Success]" } # skip if --bpf-counters is not supported -if ! perf stat --bpf-counters true > /dev/null 2>&1; then +if ! perf stat -e instructions --bpf-counters true > /dev/null 2>&1; then if [ "$1" = "-v" ]; then echo "Skipping: --bpf-counters not supported" - perf --no-pager stat --bpf-counters true || true + perf --no-pager stat -e instructions --bpf-counters true || true fi exit 2 fi -base_cycles=$(perf stat --no-big-num -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}') -if [ "$base_cycles" == "<not" ]; then - echo "Skipping: cycles event not counted" - exit 2 -fi -bpf_cycles=$(perf stat --no-big-num --bpf-counters -e cycles -- perf bench sched messaging -g 1 -l 100 -t 2>&1 | awk '/cycles/ {print $1}') -if [ "$bpf_cycles" == "<not" ]; then - echo "Failed: cycles not counted with --bpf-counters" - exit 1 -fi +test_bpf_counters +test_bpf_modifier -compare_number $base_cycles $bpf_cycles exit 0 diff --git a/tools/perf/tests/shell/stat_bpf_counters_cgrp.sh b/tools/perf/tests/shell/stat_bpf_counters_cgrp.sh index d724855d097c..ff2e06c408bc 100755 --- a/tools/perf/tests/shell/stat_bpf_counters_cgrp.sh +++ b/tools/perf/tests/shell/stat_bpf_counters_cgrp.sh @@ -1,4 +1,4 @@ -#!/bin/sh +#!/bin/bash # perf stat --bpf-counters --for-each-cgroup test # SPDX-License-Identifier: GPL-2.0 @@ -25,22 +25,22 @@ check_bpf_counter() find_cgroups() { # try usual systemd slices first - if [ -d /sys/fs/cgroup/system.slice -a -d /sys/fs/cgroup/user.slice ]; then + if [ -d /sys/fs/cgroup/system.slice ] && [ -d /sys/fs/cgroup/user.slice ]; then test_cgroups="system.slice,user.slice" return fi # try root and self cgroups - local self_cgrp=$(grep perf_event /proc/self/cgroup | cut -d: -f3) - if [ -z ${self_cgrp} ]; then + find_cgroups_self_cgrp=$(grep perf_event /proc/self/cgroup | cut -d: -f3) + if [ -z ${find_cgroups_self_cgrp} ]; then # cgroup v2 doesn't specify perf_event - self_cgrp=$(grep ^0: /proc/self/cgroup | cut -d: -f3) + find_cgroups_self_cgrp=$(grep ^0: /proc/self/cgroup | cut -d: -f3) fi - if [ -z ${self_cgrp} ]; then + if [ -z ${find_cgroups_self_cgrp} ]; then test_cgroups="/" else - test_cgroups="/,${self_cgrp}" + test_cgroups="/,${find_cgroups_self_cgrp}" fi } @@ -48,27 +48,11 @@ find_cgroups() # Just check if it runs without failure and has non-zero results. check_system_wide_counted() { - local output - - output=$(perf stat -a --bpf-counters --for-each-cgroup ${test_cgroups} -e cpu-clock -x, sleep 1 2>&1) - if echo ${output} | grep -q -F "<not "; then + check_system_wide_counted_output=$(perf stat -a --bpf-counters --for-each-cgroup ${test_cgroups} -e cpu-clock -x, sleep 1 2>&1) + if echo ${check_system_wide_counted_output} | grep -q -F "<not "; then echo "Some system-wide events are not counted" if [ "${verbose}" = "1" ]; then - echo ${output} - fi - exit 1 - fi -} - -check_cpu_list_counted() -{ - local output - - output=$(perf stat -C 1 --bpf-counters --for-each-cgroup ${test_cgroups} -e cpu-clock -x, taskset -c 1 sleep 1 2>&1) - if echo ${output} | grep -q -F "<not "; then - echo "Some CPU events are not counted" - if [ "${verbose}" = "1" ]; then - echo ${output} + echo ${check_system_wide_counted_output} fi exit 1 fi @@ -78,6 +62,5 @@ check_bpf_counter find_cgroups check_system_wide_counted -check_cpu_list_counted exit 0 diff --git a/tools/perf/tests/shell/stat_metrics_values.sh b/tools/perf/tests/shell/stat_metrics_values.sh new file mode 100755 index 000000000000..30566f0b5427 --- /dev/null +++ b/tools/perf/tests/shell/stat_metrics_values.sh @@ -0,0 +1,31 @@ +#!/bin/bash +# perf metrics value validation +# SPDX-License-Identifier: GPL-2.0 + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + +grep -q GenuineIntel /proc/cpuinfo || { echo Skipping non-Intel; exit 2; } + +pythonvalidator=$(dirname $0)/lib/perf_metric_validation.py +rulefile=$(dirname $0)/lib/perf_metric_validation_rules.json +tmpdir=$(mktemp -d /tmp/__perf_test.program.XXXXX) +workload="perf bench futex hash -r 2 -s" + +# Add -debug, save data file and full rule file +echo "Launch python validation script $pythonvalidator" +echo "Output will be stored in: $tmpdir" +for cputype in /sys/bus/event_source/devices/cpu_*; do + cputype=$(basename "$cputype") + echo "Testing metrics for: $cputype" + $PYTHON $pythonvalidator -rule $rulefile -output_dir $tmpdir -wl "${workload}" \ + -cputype "${cputype}" + ret=$? + rm -rf $tmpdir + if [ $ret -ne 0 ]; then + echo "Metric validation return with errors. Please check metrics reported with errors." + fi +done +exit $ret + diff --git a/tools/perf/tests/shell/test_arm_callgraph_fp.sh b/tools/perf/tests/shell/test_arm_callgraph_fp.sh index e61d8deaa0c4..9172dd68a81d 100755 --- a/tools/perf/tests/shell/test_arm_callgraph_fp.sh +++ b/tools/perf/tests/shell/test_arm_callgraph_fp.sh @@ -1,40 +1,48 @@ -#!/bin/sh +#!/bin/bash # Check Arm64 callgraphs are complete in fp mode # SPDX-License-Identifier: GPL-2.0 -lscpu | grep -q "aarch64" || exit 2 +shelldir=$(dirname "$0") +# shellcheck source=lib/perf_has_symbol.sh +. "${shelldir}"/lib/perf_has_symbol.sh + +if [ "$(uname -m)" != "aarch64" ]; then + exit 2 +fi + +if perf version --build-options | grep HAVE_DWARF_UNWIND_SUPPORT | grep -q OFF +then + echo "Skipping, no dwarf unwind support" + exit 2 +fi + +skip_test_missing_symbol leafloop PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX) TEST_PROGRAM="perf test -w leafloop" cleanup_files() { - rm -f $PERF_DATA + rm -f "$PERF_DATA" } -trap cleanup_files exit term int - -# Add a 1 second delay to skip samples that are not in the leaf() function -perf record -o $PERF_DATA --call-graph fp -e cycles//u -D 1000 --user-callchains -- $TEST_PROGRAM 2> /dev/null & -PID=$! +trap cleanup_files EXIT TERM INT -echo " + Recording (PID=$PID)..." -sleep 2 -echo " + Stopping perf-record..." +# shellcheck disable=SC2086 +perf record -o "$PERF_DATA" --call-graph fp -e cycles//u --user-callchains -- $TEST_PROGRAM -kill $PID -wait $PID +# Try opening the file so any immediate errors are visible in the log +perf script -i "$PERF_DATA" -F comm,ip,sym | head -n4 -# expected perf-script output: +# expected perf-script output if 'leaf' has been inserted correctly: # -# program +# perf # 728 leaf # 753 parent # 76c leafloop -# ... +# ... remaining stack to main() ... -perf script -i $PERF_DATA -F comm,ip,sym | head -n4 -perf script -i $PERF_DATA -F comm,ip,sym | head -n4 | \ - awk '{ if ($2 != "") sym[i++] = $2 } END { if (sym[0] != "leaf" || - sym[1] != "parent" || - sym[2] != "leafloop") exit 1 }' +# Each frame is separated by a tab, some spaces and an address +SEP="[[:space:]]+ [[:xdigit:]]+" +perf script -i "$PERF_DATA" -F comm,ip,sym | tr '\n' ' ' | \ + grep -E -q "perf $SEP leaf $SEP parent $SEP leafloop" diff --git a/tools/perf/tests/shell/test_arm_coresight.sh b/tools/perf/tests/shell/test_arm_coresight.sh index 565ce525c40b..1c750b67d141 100755 --- a/tools/perf/tests/shell/test_arm_coresight.sh +++ b/tools/perf/tests/shell/test_arm_coresight.sh @@ -1,5 +1,5 @@ -#!/bin/sh -# Check Arm CoreSight trace data recording and synthesized samples +#!/bin/bash +# Check Arm CoreSight trace data recording and synthesized samples (exclusive) # Uses the 'perf record' to record trace data with Arm CoreSight sinks; # then verify if there have any branch samples and instruction samples @@ -12,7 +12,7 @@ glb_err=0 skip_if_no_cs_etm_event() { - perf list | grep -q 'cs_etm//' && return 0 + perf list pmu | grep -q 'cs_etm//' && return 0 # cs_etm event doesn't exist return 2 @@ -28,11 +28,11 @@ cleanup_files() rm -f ${perfdata} rm -f ${file} rm -f "${perfdata}.old" - trap - exit term int + trap - EXIT TERM INT exit $glb_err } -trap cleanup_files exit term int +trap cleanup_files EXIT TERM INT record_touch_file() { echo "Recording trace (only user mode) with path: CPU$2 => $1" @@ -89,7 +89,7 @@ is_device_sink() { # cannot support perf PMU. echo "$1" | grep -E -q -v "tpiu" - if [ $? -eq 0 -a -e "$1/enable_sink" ]; then + if [ $? -eq 0 ] && [ -e "$1/enable_sink" ]; then pmu_dev="/sys/bus/event_source/devices/cs_etm/sinks/$2" @@ -136,7 +136,9 @@ arm_cs_iterate_devices() { arm_cs_etm_traverse_path_test() { # Iterate for every ETM device - for dev in /sys/bus/coresight/devices/etm*; do + for dev in /sys/bus/event_source/devices/cs_etm/cpu*; do + # Canonicalize the path + dev=`readlink -f $dev` # Find the ETM device belonging to which CPU cpu=`cat $dev/cpu` @@ -150,6 +152,8 @@ arm_cs_etm_system_wide_test() { echo "Recording trace with system wide mode" perf record -o ${perfdata} -e cs_etm// -a -- ls > /dev/null 2>&1 + # System-wide mode should include perf samples so test for that + # instead of ls perf_script_branch_samples perf && perf_report_branch_samples perf && perf_report_instruction_samples perf @@ -182,7 +186,29 @@ arm_cs_etm_snapshot_test() { arm_cs_report "CoreSight snapshot testing" $err } +arm_cs_etm_basic_test() { + echo "Recording trace with '$*'" + perf record -o ${perfdata} "$@" -m,8M -- ls > /dev/null 2>&1 + + perf_script_branch_samples ls && + perf_report_branch_samples ls && + perf_report_instruction_samples ls + + err=$? + arm_cs_report "CoreSight basic testing with '$*'" $err +} + arm_cs_etm_traverse_path_test arm_cs_etm_system_wide_test arm_cs_etm_snapshot_test + +# Test all combinations of per-thread, system-wide and normal mode with +# and without timestamps +arm_cs_etm_basic_test -e cs_etm/timestamp=0/ --per-thread +arm_cs_etm_basic_test -e cs_etm/timestamp=1/ --per-thread +arm_cs_etm_basic_test -e cs_etm/timestamp=0/ -a +arm_cs_etm_basic_test -e cs_etm/timestamp=1/ -a +arm_cs_etm_basic_test -e cs_etm/timestamp=0/ +arm_cs_etm_basic_test -e cs_etm/timestamp=1/ + exit $glb_err diff --git a/tools/perf/tests/shell/test_arm_coresight_disasm.sh b/tools/perf/tests/shell/test_arm_coresight_disasm.sh new file mode 100755 index 000000000000..0dfb4fadf531 --- /dev/null +++ b/tools/perf/tests/shell/test_arm_coresight_disasm.sh @@ -0,0 +1,65 @@ +#!/bin/bash +# Check Arm CoreSight disassembly script completes without errors (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +# The disassembly script reconstructs ranges of instructions and gives these to objdump to +# decode. objdump doesn't like ranges that go backwards, but these are a good indication +# that decoding has gone wrong either in OpenCSD, Perf or in the range reconstruction in +# the script. Test all 3 parts are working correctly by running the script. + +skip_if_no_cs_etm_event() { + perf list pmu | grep -q 'cs_etm//' && return 0 + + # cs_etm event doesn't exist + return 2 +} + +skip_if_no_cs_etm_event || exit 2 + +# Assume an error unless we reach the very end +set -e +glb_err=1 + +perfdata_dir=$(mktemp -d /tmp/__perf_test.perf.data.XXXXX) +perfdata=${perfdata_dir}/perf.data +file=$(mktemp /tmp/temporary_file.XXXXX) +# Relative path works whether it's installed or running from repo +script_path=$(dirname "$0")/../../scripts/python/arm-cs-trace-disasm.py + +cleanup_files() +{ + set +e + rm -rf ${perfdata_dir} + rm -f ${file} + trap - EXIT TERM INT + exit $glb_err +} + +trap cleanup_files EXIT TERM INT + +# Ranges start and end on branches, so check for some likely branch instructions +sep="\s\|\s" +branch_search="\sbl${sep}b${sep}b.ne${sep}b.eq${sep}cbz\s" + +## Test kernel ## +if [ -e /proc/kcore ]; then + echo "Testing kernel disassembly" + perf record -o ${perfdata} -e cs_etm//k --kcore -- touch $file > /dev/null 2>&1 + perf script -i ${perfdata} -s python:${script_path} -- \ + -d --stop-sample=30 2> /dev/null > ${file} + grep -q -e ${branch_search} ${file} + echo "Found kernel branches" +else + # kcore is required for correct kernel decode due to runtime code patching + echo "No kcore, skipping kernel test" +fi + +## Test user ## +echo "Testing userspace disassembly" +perf record -o ${perfdata} -e cs_etm//u -- touch $file > /dev/null 2>&1 +perf script -i ${perfdata} -s python:${script_path} -- \ + -d --stop-sample=30 2> /dev/null > ${file} +grep -q -e ${branch_search} ${file} +echo "Found userspace branches" + +glb_err=0 diff --git a/tools/perf/tests/shell/test_arm_spe.sh b/tools/perf/tests/shell/test_arm_spe.sh index aa094d71f5b4..bb76ea88aa14 100755 --- a/tools/perf/tests/shell/test_arm_spe.sh +++ b/tools/perf/tests/shell/test_arm_spe.sh @@ -1,5 +1,5 @@ -#!/bin/sh -# Check Arm SPE trace data recording and synthesized samples +#!/bin/bash +# Check Arm SPE trace data recording and synthesized samples (exclusive) # Uses the 'perf record' to record trace data of Arm SPE events; # then verify if any SPE event samples are generated by SPE with @@ -9,7 +9,7 @@ # German Gomez <german.gomez@arm.com>, 2021 skip_if_no_arm_spe_event() { - perf list | grep -E -q 'arm_spe_[0-9]+//' && return 0 + perf list pmu | grep -E -q 'arm_spe_[0-9]+//' && return 0 # arm_spe event doesn't exist return 2 @@ -27,7 +27,7 @@ cleanup_files() exit $glb_err } -trap cleanup_files exit term int +trap cleanup_files EXIT TERM INT arm_spe_report() { if [ $2 = 0 ]; then @@ -107,7 +107,37 @@ arm_spe_system_wide_test() { arm_spe_report "SPE system-wide testing" $err } +arm_spe_discard_test() { + echo "SPE discard mode" + + for f in /sys/bus/event_source/devices/arm_spe_*; do + if [ -e "$f/format/discard" ]; then + cpu=$(cut -c -1 "$f/cpumask") + break + fi + done + + if [ -z $cpu ]; then + arm_spe_report "SPE discard mode not present" 2 + return + fi + + # Test can use wildcard SPE instance and Perf will only open the event + # on instances that have that format flag. But make sure the target + # runs on an instance with discard mode otherwise we're not testing + # anything. + perf record -o ${perfdata} -e arm_spe/discard/ -N -B --no-bpf-event \ + -- taskset --cpu-list $cpu true + + if perf report -i ${perfdata} --stats | grep 'AUX events\|AUXTRACE events'; then + arm_spe_report "SPE discard mode found unexpected data" 1 + else + arm_spe_report "SPE discard mode" 0 + fi +} + arm_spe_snapshot_test arm_spe_system_wide_test +arm_spe_discard_test exit $glb_err diff --git a/tools/perf/tests/shell/test_arm_spe_fork.sh b/tools/perf/tests/shell/test_arm_spe_fork.sh index fad361675a1d..5bcca51c03ac 100755 --- a/tools/perf/tests/shell/test_arm_spe_fork.sh +++ b/tools/perf/tests/shell/test_arm_spe_fork.sh @@ -1,11 +1,11 @@ -#!/bin/sh +#!/bin/bash # Check Arm SPE doesn't hang when there are forks # SPDX-License-Identifier: GPL-2.0 # German Gomez <german.gomez@arm.com>, 2022 skip_if_no_arm_spe_event() { - perf list | grep -E -q 'arm_spe_[0-9]+//' && return 0 + perf list pmu | grep -E -q 'arm_spe_[0-9]+//' && return 0 return 2 } @@ -22,7 +22,7 @@ cleanup_files() rm -f ${PERF_DATA} } -trap cleanup_files exit term int +trap cleanup_files EXIT TERM INT echo "Recording workload..." perf record -o ${PERF_DATA} -e arm_spe/period=65536/ -vvv -- $TEST_PROGRAM > ${PERF_RECORD_LOG} 2>&1 & diff --git a/tools/perf/tests/shell/test_bpf_metadata.sh b/tools/perf/tests/shell/test_bpf_metadata.sh new file mode 100755 index 000000000000..be67d56e0f09 --- /dev/null +++ b/tools/perf/tests/shell/test_bpf_metadata.sh @@ -0,0 +1,76 @@ +#!/bin/bash +# BPF metadata collection test +# +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) + +cleanup() { + rm -f "${perfdata}" + rm -f "${perfdata}".old + trap - EXIT TERM INT +} + +trap_cleanup() { + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_bpf_metadata() { + echo "Checking BPF metadata collection" + + if ! perf check -q feature libbpf-strings ; then + echo "Basic BPF metadata test [skipping - not supported]" + err=0 + return + fi + + # This is a basic invocation of perf record + # that invokes the perf_sample_filter BPF program. + if ! perf record -e task-clock --filter 'ip > 0' \ + -o "${perfdata}" sleep 1 2> /dev/null + then + echo "Basic BPF metadata test [Failed record]" + err=1 + return + fi + + # The BPF programs that ship with "perf" all have the following + # variable defined at compile time: + # + # const char bpf_metadata_perf_version[] SEC(".rodata") = <...>; + # + # This invocation looks for a PERF_RECORD_BPF_METADATA event, + # and checks that its content contains the string given by + # "perf version". + VERS=$(perf version | awk '{print $NF}') + if ! perf script --show-bpf-events -i "${perfdata}" | awk ' + /PERF_RECORD_BPF_METADATA.*perf_sample_filter/ { + header = 1; + } + /^ *entry/ { + if (header) { header = 0; entry = 1; } + } + $0 !~ /^ *entry/ { + entry = 0; + } + /perf_version/ { + if (entry) print $NF; + } + ' | grep -qF "$VERS" + then + echo "Basic BPF metadata test [Failed invalid output]" + err=1 + return + fi + echo "Basic BPF metadata test [Success]" +} + +test_bpf_metadata + +cleanup +exit $err diff --git a/tools/perf/tests/shell/test_brstack.sh b/tools/perf/tests/shell/test_brstack.sh index 59195eb80052..85233d435be6 100755 --- a/tools/perf/tests/shell/test_brstack.sh +++ b/tools/perf/tests/shell/test_brstack.sh @@ -1,9 +1,13 @@ -#!/bin/sh +#!/bin/bash # Check branch stack sampling # SPDX-License-Identifier: GPL-2.0 # German Gomez <german.gomez@arm.com>, 2022 +shelldir=$(dirname "$0") +# shellcheck source=lib/perf_has_symbol.sh +. "${shelldir}"/lib/perf_has_symbol.sh + # skip the test if the hardware doesn't support branch stack sampling # and if the architecture doesn't support filter types: any,save_type,u if ! perf record -o- --no-buildid --branch-filter any,save_type,u -- true > /dev/null 2>&1 ; then @@ -11,66 +15,188 @@ if ! perf record -o- --no-buildid --branch-filter any,save_type,u -- true > /dev exit 2 fi +skip_test_missing_symbol brstack_bench + +err=0 TMPDIR=$(mktemp -d /tmp/__perf_test.program.XXXXX) TESTPROG="perf test -w brstack" cleanup() { rm -rf $TMPDIR + trap - EXIT TERM INT +} + +trap_cleanup() { + set +e + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +is_arm64() { + [ "$(uname -m)" = "aarch64" ]; } -trap cleanup exit term int +check_branches() { + if ! tr -s ' ' '\n' < "$TMPDIR/perf.script" | grep -E -m1 -q "$1"; then + echo "Branches missing $1" + err=1 + fi +} test_user_branches() { echo "Testing user branch stack sampling" - perf record -o $TMPDIR/perf.data --branch-filter any,save_type,u -- ${TESTPROG} > /dev/null 2>&1 - perf script -i $TMPDIR/perf.data --fields brstacksym | xargs -n1 > $TMPDIR/perf.script + perf record -o "$TMPDIR/perf.data" --branch-filter any,save_type,u -- ${TESTPROG} > "$TMPDIR/record.txt" 2>&1 + perf script -i "$TMPDIR/perf.data" --fields brstacksym > "$TMPDIR/perf.script" # example of branch entries: # brstack_foo+0x14/brstack_bar+0x40/P/-/-/0/CALL - set -x - grep -E -m1 "^brstack_bench\+[^ ]*/brstack_foo\+[^ ]*/IND_CALL$" $TMPDIR/perf.script - grep -E -m1 "^brstack_foo\+[^ ]*/brstack_bar\+[^ ]*/CALL$" $TMPDIR/perf.script - grep -E -m1 "^brstack_bench\+[^ ]*/brstack_foo\+[^ ]*/CALL$" $TMPDIR/perf.script - grep -E -m1 "^brstack_bench\+[^ ]*/brstack_bar\+[^ ]*/CALL$" $TMPDIR/perf.script - grep -E -m1 "^brstack_bar\+[^ ]*/brstack_foo\+[^ ]*/RET$" $TMPDIR/perf.script - grep -E -m1 "^brstack_foo\+[^ ]*/brstack_bench\+[^ ]*/RET$" $TMPDIR/perf.script - grep -E -m1 "^brstack_bench\+[^ ]*/brstack_bench\+[^ ]*/COND$" $TMPDIR/perf.script - grep -E -m1 "^brstack\+[^ ]*/brstack\+[^ ]*/UNCOND$" $TMPDIR/perf.script - set +x - + expected=( + "^brstack_bench\+[^ ]*/brstack_foo\+[^ ]*/IND_CALL/.*$" + "^brstack_foo\+[^ ]*/brstack_bar\+[^ ]*/CALL/.*$" + "^brstack_bench\+[^ ]*/brstack_foo\+[^ ]*/CALL/.*$" + "^brstack_bench\+[^ ]*/brstack_bar\+[^ ]*/CALL/.*$" + "^brstack_bar\+[^ ]*/brstack_foo\+[^ ]*/RET/.*$" + "^brstack_foo\+[^ ]*/brstack_bench\+[^ ]*/RET/.*$" + "^brstack_bench\+[^ ]*/brstack_bench\+[^ ]*/COND/.*$" + "^brstack\+[^ ]*/brstack\+[^ ]*/UNCOND/.*$" + ) + for x in "${expected[@]}" + do + check_branches "$x" + done + + # Dump addresses only this time + perf script -i "$TMPDIR/perf.data" --fields brstack | \ + tr ' ' '\n' > "$TMPDIR/perf.script" + + # There should be no kernel addresses with the u option, in either + # source or target addresses. + if grep -E -m1 "0x[89a-f][0-9a-f]{15}" $TMPDIR/perf.script; then + echo "ERROR: Kernel address found in user mode" + err=1 + fi # some branch types are still not being tested: - # IND COND_CALL COND_RET SYSCALL SYSRET IRQ SERROR NO_TX + # IND COND_CALL COND_RET SYSRET SERROR NO_TX +} + +test_trap_eret_branches() { + echo "Testing trap & eret branches" + if ! is_arm64; then + echo "skip: not arm64" + else + perf record -o $TMPDIR/perf.data --branch-filter any,save_type,u,k -- \ + perf test -w traploop 1000 + perf script -i $TMPDIR/perf.data --fields brstacksym | \ + tr ' ' '\n' > $TMPDIR/perf.script + + # BRBINF<n>.TYPE == TRAP are mapped to PERF_BR_IRQ by the BRBE driver + check_branches "^trap_bench\+[^ ]+/[^ ]/IRQ/" + check_branches "^[^ ]+/trap_bench\+[^ ]+/ERET/" + fi +} + +test_kernel_branches() { + echo "Testing that k option only includes kernel source addresses" + + if ! perf record --branch-filter any,k -o- -- true > /dev/null; then + echo "skip: not enough privileges" + else + perf record -o $TMPDIR/perf.data --branch-filter any,k -- \ + perf bench syscall basic --loop 1000 + perf script -i $TMPDIR/perf.data --fields brstack | \ + tr ' ' '\n' > $TMPDIR/perf.script + + # Example of branch entries: + # "0xffffffff93bda241/0xffffffff93bda20f/M/-/-/..." + # Source addresses come first and target address can be either + # userspace or kernel even with k option, as long as the source + # is in kernel. + + #Look for source addresses with top bit set + if ! grep -E -m1 "^0x[89a-f][0-9a-f]{15}" $TMPDIR/perf.script; then + echo "ERROR: Kernel branches missing" + err=1 + fi + # Look for no source addresses without top bit set + if grep -E -m1 "^0x[0-7][0-9a-f]{0,15}" $TMPDIR/perf.script; then + echo "ERROR: User branches found with kernel filter" + err=1 + fi + fi } # first argument <arg0> is the argument passed to "--branch-stack <arg0>,save_type,u" # second argument are the expected branch types for the given filter test_filter() { - local filter=$1 - local expect=$2 - - echo "Testing branch stack filtering permutation ($filter,$expect)" + test_filter_filter=$1 + test_filter_expect=$2 - perf record -o $TMPDIR/perf.data --branch-filter $filter,save_type,u -- ${TESTPROG} > /dev/null 2>&1 - perf script -i $TMPDIR/perf.data --fields brstack | xargs -n1 > $TMPDIR/perf.script + echo "Testing branch stack filtering permutation ($test_filter_filter,$test_filter_expect)" + perf record -o "$TMPDIR/perf.data" --branch-filter "$test_filter_filter,save_type,u" -- ${TESTPROG} > "$TMPDIR/record.txt" 2>&1 + perf script -i "$TMPDIR/perf.data" --fields brstack > "$TMPDIR/perf.script" # fail if we find any branch type that doesn't match any of the expected ones # also consider UNKNOWN branch types (-) - if grep -E -vm1 "^[^ ]*/($expect|-|( *))$" $TMPDIR/perf.script; then - return 1 + if [ ! -s "$TMPDIR/perf.script" ] + then + echo "Empty script output" + err=1 + return + fi + # Look for lines not matching test_filter_expect ignoring issues caused + # by empty output + tr -s ' ' '\n' < "$TMPDIR/perf.script" | grep '.' | \ + grep -E -vm1 "^[^ ]*/($test_filter_expect|-|( *))/.*$" \ + > "$TMPDIR/perf.script-filtered" || true + if [ -s "$TMPDIR/perf.script-filtered" ] + then + echo "Unexpected branch filter in script output" + cat "$TMPDIR/perf.script" + err=1 + return fi } +test_syscall() { + echo "Testing syscalls" + # skip if perf doesn't have enough privileges + if ! perf record --branch-filter any,k -o- -- true > /dev/null; then + echo "skip: not enough privileges" + else + perf record -o $TMPDIR/perf.data --branch-filter \ + any_call,save_type,u,k -c 10000 -- \ + perf bench syscall basic --loop 1000 + perf script -i $TMPDIR/perf.data --fields brstacksym | \ + tr ' ' '\n' > $TMPDIR/perf.script + + check_branches "getppid[^ ]*/SYSCALL/" + fi +} set -e test_user_branches +test_syscall +test_kernel_branches +test_trap_eret_branches + +any_call="CALL|IND_CALL|COND_CALL|SYSCALL|IRQ" -test_filter "any_call" "CALL|IND_CALL|COND_CALL|SYSCALL|IRQ" +if is_arm64; then + any_call="$any_call|FAULT_DATA|FAULT_INST" +fi + +test_filter "any_call" "$any_call" test_filter "call" "CALL|SYSCALL" test_filter "cond" "COND" test_filter "any_ret" "RET|COND_RET|SYSRET|ERET" test_filter "call,cond" "CALL|SYSCALL|COND" -test_filter "any_call,cond" "CALL|IND_CALL|COND_CALL|IRQ|SYSCALL|COND" -test_filter "cond,any_call,any_ret" "COND|CALL|IND_CALL|COND_CALL|SYSCALL|IRQ|RET|COND_RET|SYSRET|ERET" +test_filter "any_call,cond" "$any_call|COND" +test_filter "any_call,cond,any_ret" "$any_call|COND|RET|COND_RET" + +cleanup +exit $err diff --git a/tools/perf/tests/shell/test_data_symbol.sh b/tools/perf/tests/shell/test_data_symbol.sh index 69bb6fe86c50..d61b5659a46d 100755 --- a/tools/perf/tests/shell/test_data_symbol.sh +++ b/tools/perf/tests/shell/test_data_symbol.sh @@ -1,9 +1,14 @@ #!/bin/bash -# Test data symbol +# Test data symbol (exclusive) # SPDX-License-Identifier: GPL-2.0 # Leo Yan <leo.yan@linaro.org>, 2022 +shelldir=$(dirname "$0") + +# shellcheck source=lib/perf_has_symbol.sh +. "${shelldir}"/lib/perf_has_symbol.sh + skip_if_no_mem_event() { perf mem record -e list 2>&1 | grep -E -q 'available' && return 0 return 2 @@ -11,23 +16,27 @@ skip_if_no_mem_event() { skip_if_no_mem_event || exit 2 +skip_test_missing_symbol workload_datasym_buf1 + TEST_PROGRAM="perf test -w datasym" PERF_DATA=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +ERR_FILE=$(mktemp /tmp/__perf_test.stderr.XXXXX) check_result() { # The memory report format is as below: - # 99.92% ... [.] buf1+0x38 + # 99.92% ... [.] workload_datasym_buf1+0x38 result=$(perf mem report -i ${PERF_DATA} -s symbol_daddr -q 2>&1 | - awk '/buf1/ { print $4 }') + awk '/workload_datasym_buf1/ { print $4 }') - # Testing is failed if has no any sample for "buf1" + # Testing is failed if has no any sample for "workload_datasym_buf1" [ -z "$result" ] && return 1 while IFS= read -r line; do - # The "data1" and "data2" fields in structure "buf1" have - # offset "0x0" and "0x38", returns failure if detect any - # other offset value. - if [ "$line" != "buf1+0x0" ] && [ "$line" != "buf1+0x38" ]; then + # The "data1" and "data2" fields in structure + # "workload_datasym_buf1" have offset "0x0" and "0x38", returns + # failure if detect any other offset value. + if [ "$line" != "workload_datasym_buf1+0x0" ] && \ + [ "$line" != "workload_datasym_buf1+0x38" ]; then return 1 fi done <<< "$result" @@ -45,22 +54,38 @@ trap cleanup_files exit term int echo "Recording workload..." -# perf mem/c2c internally uses IBS PMU on AMD CPU which doesn't support -# user/kernel filtering and per-process monitoring, spin program on -# specific CPU and test in per-CPU mode. is_amd=$(grep -E -c 'vendor_id.*AuthenticAMD' /proc/cpuinfo) if (($is_amd >= 1)); then - perf mem record -o ${PERF_DATA} -C 0 -- taskset -c 0 $TEST_PROGRAM & -else - perf mem record --all-user -o ${PERF_DATA} -- $TEST_PROGRAM & -fi - -PERFPID=$! + mem_events="$(perf mem record -v -e list 2>&1)" + if ! [[ "$mem_events" =~ ^mem\-ldst.*ibs_op/(.*)/.*available ]]; then + echo "ERROR: mem-ldst event is not matching" + exit 1 + fi + + # --ldlat on AMD: + # o Zen4 and earlier uarch does not support ldlat + # o Even on supported platforms, it's disabled (--ldlat=0) by default. + ldlat=${BASH_REMATCH[1]} + if [[ -n $ldlat ]]; then + if ! [[ "$ldlat" =~ ldlat=0 ]]; then + echo "ERROR: ldlat not initialized to 0?" + exit 1 + fi -sleep 1 + mem_events="$(perf mem record -v --ldlat=150 -e list 2>&1)" + if ! [[ "$mem_events" =~ ^mem-ldst.*ibs_op/ldlat=150/.*available ]]; then + echo "ERROR: --ldlat not honored?" + exit 1 + fi + fi -kill $PERFPID -wait $PERFPID + # perf mem/c2c internally uses IBS PMU on AMD CPU which doesn't + # support user/kernel filtering and per-process monitoring on older + # kernels, spin program on specific CPU and test in per-CPU mode. + perf mem record -vvv -o ${PERF_DATA} -C 0 -- taskset -c 0 $TEST_PROGRAM 2>"${ERR_FILE}" +else + perf mem record -vvv --all-user -o ${PERF_DATA} -- $TEST_PROGRAM 2>"${ERR_FILE}" +fi check_result exit $? diff --git a/tools/perf/tests/shell/test_event_open_fallback.sh b/tools/perf/tests/shell/test_event_open_fallback.sh new file mode 100755 index 000000000000..9420a7557c13 --- /dev/null +++ b/tools/perf/tests/shell/test_event_open_fallback.sh @@ -0,0 +1,71 @@ +#!/bin/bash +# Perf event open fallback test +# SPDX-License-Identifier: GPL-2.0 + +skip_cnt=0 +ok_cnt=0 +err_cnt=0 + +perf_record() +{ + perf record -o /dev/null "$@" -- true 1>/dev/null 2>&1 +} + +test_decrease_precise_ip() +{ + echo "Decrease precise ip test" + + perf list pmu | grep -q 'cycles' || return 2 + + if ! perf_record -e cycles; then + return 2 + fi + + # It should reduce precision level down to 0 if needed. + if ! perf_record -e cycles:P; then + return 1 + fi + return 0 +} + +test_decrease_precise_ip_complicated() +{ + echo "Decrease precise ip test (complicated case)" + + perf list pmu | grep -q 'mem-loads-aux' || return 2 + + if ! perf_record -e '{mem-loads-aux:S,mem-loads:PS}'; then + return 1 + fi + return 0 +} + +count_result() +{ + if [ "$1" -eq 2 ] ; then + skip_cnt=$((skip_cnt + 1)) + return + fi + if [ "$1" -eq 0 ] ; then + ok_cnt=$((ok_cnt + 1)) + return + fi + err_cnt=$((err_cnt + 1)) +} + +ret=0 +test_decrease_precise_ip || ret=$? ; count_result $ret ; ret=0 +test_decrease_precise_ip_complicated || ret=$? ; count_result $ret ; ret=0 + +cleanup + +if [ ${err_cnt} -gt 0 ] ; then + exit 1 +fi + +if [ ${ok_cnt} -gt 0 ] ; then + exit 0 +fi + +# Skip +exit 2 diff --git a/tools/perf/tests/shell/test_intel_pt.sh b/tools/perf/tests/shell/test_intel_pt.sh index f5ed7b1af419..8ee761f03c38 100755 --- a/tools/perf/tests/shell/test_intel_pt.sh +++ b/tools/perf/tests/shell/test_intel_pt.sh @@ -1,13 +1,14 @@ -#!/bin/sh -# Miscellaneous Intel PT testing +#!/bin/bash +# Miscellaneous Intel PT testing (exclusive) # SPDX-License-Identifier: GPL-2.0 set -e # Skip if no Intel PT -perf list | grep -q 'intel_pt//' || exit 2 +perf list pmu | grep -q 'intel_pt//' || exit 2 shelldir=$(dirname "$0") +# shellcheck source=lib/waiting.sh . "${shelldir}"/lib/waiting.sh skip_cnt=0 @@ -287,6 +288,11 @@ test_jitdump() jitdump_incl_dir="${script_dir}/../../util" jitdump_h="${jitdump_incl_dir}/jitdump.h" + if ! perf check feature -q libelf ; then + echo "SKIP: libelf is needed for jitdump" + return 2 + fi + if [ ! -e "${jitdump_h}" ] ; then echo "SKIP: Include file jitdump.h not found" return 2 @@ -506,6 +512,13 @@ test_sample() echo "perf record failed with --aux-sample" return 1 fi + # Check with event with PMU name + if perf_record_no_decode -o "${perfdatafile}" -e br_misp_retired.all_branches:u uname ; then + if ! perf_record_no_decode -o "${perfdatafile}" -e '{intel_pt//,br_misp_retired.all_branches/aux-sample-size=8192/}:u' uname ; then + echo "perf record failed with --aux-sample-size" + return 1 + fi + fi echo OK return 0 } @@ -620,6 +633,49 @@ test_event_trace() return 0 } +test_pipe() +{ + echo "--- Test with pipe mode ---" + # Check if it works with pipe + if ! perf_record_no_bpf -o- -e intel_pt//u uname | perf report -q -i- --itrace=i10000 ; then + echo "perf record + report failed with pipe mode" + return 1 + fi + if ! perf_record_no_bpf -o- -e intel_pt//u uname | perf inject -b > /dev/null ; then + echo "perf record + inject failed with pipe mode" + return 1 + fi + echo OK + return 0 +} + +test_pause_resume() +{ + echo "--- Test with pause / resume ---" + if ! perf_record_no_decode -o "${perfdatafile}" -e intel_pt/aux-action=start-paused/u uname ; then + echo "SKIP: pause / resume is not supported" + return 2 + fi + if ! perf_record_no_bpf -o "${perfdatafile}" \ + -e intel_pt/aux-action=start-paused/u \ + -e instructions/period=50000,aux-action=resume,name=Resume/u \ + -e instructions/period=100000,aux-action=pause,name=Pause/u uname ; then + echo "perf record with pause / resume failed" + return 1 + fi + if ! perf script -i "${perfdatafile}" --itrace=b -Fperiod,event | \ + awk 'BEGIN {paused=1;branches=0} + /Resume/ {paused=0} + /branches/ {if (paused) exit 1;branches=1} + /Pause/ {paused=1} + END {if (!branches) exit 1}' ; then + echo "perf record with pause / resume failed" + return 1 + fi + echo OK + return 0 +} + count_result() { if [ "$1" -eq 2 ] ; then @@ -647,6 +703,8 @@ test_virtual_lbr || ret=$? ; count_result $ret ; ret=0 test_power_event || ret=$? ; count_result $ret ; ret=0 test_no_tnt || ret=$? ; count_result $ret ; ret=0 test_event_trace || ret=$? ; count_result $ret ; ret=0 +test_pipe || ret=$? ; count_result $ret ; ret=0 +test_pause_resume || ret=$? ; count_result $ret ; ret=0 cleanup diff --git a/tools/perf/tests/shell/test_java_symbol.sh b/tools/perf/tests/shell/test_java_symbol.sh index 90cea8811926..499539d1c479 100755 --- a/tools/perf/tests/shell/test_java_symbol.sh +++ b/tools/perf/tests/shell/test_java_symbol.sh @@ -56,7 +56,7 @@ if [ $? -ne 0 ]; then exit 1 fi -if ! perf inject -i $PERF_DATA -o $PERF_INJ_DATA -j; then +if ! DEBUGINFOD_URLS='' perf inject -i $PERF_DATA -o $PERF_INJ_DATA -j; then echo "Fail to inject samples" exit 1 fi diff --git a/tools/perf/tests/shell/test_perf_data_converter_json.sh b/tools/perf/tests/shell/test_perf_data_converter_json.sh new file mode 100755 index 000000000000..c4f1b59d116f --- /dev/null +++ b/tools/perf/tests/shell/test_perf_data_converter_json.sh @@ -0,0 +1,65 @@ +#!/bin/bash +# 'perf data convert --to-json' command test +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + +perfdata=$(mktemp /tmp/__perf_test.perf.data.XXXXX) +result=$(mktemp /tmp/__perf_test.output.json.XXXXX) + +cleanup() +{ + rm -f "${perfdata}" + rm -f "${result}" + trap - exit term int +} + +trap_cleanup() +{ + cleanup + exit ${err} +} +trap trap_cleanup exit term int + +test_json_converter_command() +{ + echo "Testing Perf Data Convertion Command to JSON" + perf record -o "$perfdata" -F 99 -g -- perf test -w noploop > /dev/null 2>&1 + perf data convert --to-json "$result" --force -i "$perfdata" >/dev/null 2>&1 + if [ "$(cat ${result} | wc -l)" -gt "0" ] ; then + echo "Perf Data Converter Command to JSON [SUCCESS]" + else + echo "Perf Data Converter Command to JSON [FAILED]" + err=1 + exit + fi +} + +validate_json_format() +{ + echo "Validating Perf Data Converted JSON file" + if [ -f "$result" ] ; then + if $PYTHON -c "import json; json.load(open('$result'))" >/dev/null 2>&1 ; then + echo "The file contains valid JSON format [SUCCESS]" + else + echo "The file does not contain valid JSON format [FAILED]" + err=1 + exit + fi + else + echo "File not found [FAILED]" + err=2 + exit + fi +} + +test_json_converter_command +validate_json_format + +exit ${err} diff --git a/tools/perf/tests/shell/test_stat_intel_tpebs.sh b/tools/perf/tests/shell/test_stat_intel_tpebs.sh new file mode 100755 index 000000000000..a330ecdb7ba5 --- /dev/null +++ b/tools/perf/tests/shell/test_stat_intel_tpebs.sh @@ -0,0 +1,85 @@ +#!/bin/bash +# test Intel TPEBS counting mode (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +set -e + +ParanoidAndNotRoot() { + [ "$(id -u)" != 0 ] && [ "$(cat /proc/sys/kernel/perf_event_paranoid)" -gt $1 ] +} + +if ! grep -q GenuineIntel /proc/cpuinfo +then + echo "Skipping non-Intel" + exit 2 +fi + +if ParanoidAndNotRoot 0 +then + echo "Skipping paranoid >0 and not root" + exit 2 +fi + +stat_output=$(mktemp /tmp/__perf_stat_tpebs_output.XXXXX) + +cleanup() { + rm -rf "${stat_output}" + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cat "${stat_output}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +# Event to be used in tests +event=cache-misses + +if ! perf record -e "${event}:p" -a -o /dev/null sleep 0.01 > "${stat_output}" 2>&1 +then + echo "Missing ${event} support" + cleanup + exit 2 +fi + +test_with_record_tpebs() { + echo "Testing with --record-tpebs" + if ! perf stat -e "${event}:R" --record-tpebs -a sleep 0.01 > "${stat_output}" 2>&1 + then + echo "Testing with --record-tpebs [Failed perf stat]" + cat "${stat_output}" + exit 1 + fi + + # Expected output: + # $ perf stat --record-tpebs -e cache-misses:R -a sleep 0.01 + # Events enabled + # [ perf record: Woken up 2 times to write data ] + # [ perf record: Captured and wrote 0.056 MB - ] + # + # Performance counter stats for 'system wide': + # + # 0 cache-misses:R + # + # 0.013963299 seconds time elapsed + if ! grep "perf record" "${stat_output}" + then + echo "Testing with --record-tpebs [Failed missing perf record]" + cat "${stat_output}" + exit 1 + fi + if ! grep "${event}:R" "${stat_output}" && ! grep "/${event}/R" "${stat_output}" + then + echo "Testing with --record-tpebs [Failed missing event name]" + cat "${stat_output}" + exit 1 + fi + echo "Testing with --record-tpebs [Success]" +} + +test_with_record_tpebs +cleanup +exit 0 diff --git a/tools/perf/tests/shell/test_task_analyzer.sh b/tools/perf/tests/shell/test_task_analyzer.sh index a98e4ab66040..e194fcf61df3 100755 --- a/tools/perf/tests/shell/test_task_analyzer.sh +++ b/tools/perf/tests/shell/test_task_analyzer.sh @@ -1,16 +1,25 @@ #!/bin/bash -# perf script task-analyzer tests +# perf script task-analyzer tests (exclusive) # SPDX-License-Identifier: GPL-2.0 tmpdir=$(mktemp -d /tmp/perf-script-task-analyzer-XXXXX) err=0 +# set PERF_EXEC_PATH to find scripts in the source directory +perfdir=$(dirname "$0")/../.. +if [ -e "$perfdir/scripts/python/Perf-Trace-Util" ]; then + export PERF_EXEC_PATH=$perfdir +fi + +# Disable lsan to avoid warnings about python memory leaks. +export ASAN_OPTIONS=detect_leaks=0 + cleanup() { rm -f perf.data rm -f perf.data.old rm -f csv rm -f csvsummary - rm -rf $tmpdir + rm -rf "$tmpdir" trap - exit term int } @@ -21,7 +30,7 @@ trap_cleanup() { trap trap_cleanup exit term int report() { - if [ $1 = 0 ]; then + if [ "$1" = 0 ]; then echo "PASS: \"$2\"" else echo "FAIL: \"$2\" Error message: \"$3\"" @@ -31,109 +40,127 @@ report() { check_exec_0() { if [ $? != 0 ]; then - report 1 "invokation of ${$1} command failed" + report 1 "invocation of $1 command failed" fi } find_str_or_fail() { - grep -q "$1" $2 - if [ $? != 0 ]; then - report 1 $3 "Failed to find required string:'${1}'." + grep -q "$1" "$2" + if [ "$?" != 0 ]; then + report 1 "$3" "Failed to find required string:'${1}'." else - report 0 $3 + report 0 "$3" fi } +# check if perf is compiled with libtraceevent support +skip_no_probe_record_support() { + perf check feature -q libtraceevent && return 0 + return 2 +} + prepare_perf_data() { # 1s should be sufficient to catch at least some switches perf record -e sched:sched_switch -a -- sleep 1 > /dev/null 2>&1 + # check if perf data file got created in above step. + if [ ! -e "perf.data" ]; then + printf "FAIL: perf record failed to create \"perf.data\" \n" + return 1 + fi } # check standard inkvokation with no arguments test_basic() { out="$tmpdir/perf.out" - perf script report task-analyzer > $out - check_exec_0 "perf" - find_str_or_fail "Comm" $out ${FUNCNAME[0]} + perf script report task-analyzer > "$out" + check_exec_0 "perf script report task-analyzer" + find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}" } test_ns_rename(){ out="$tmpdir/perf.out" - perf script report task-analyzer --ns --rename-comms-by-tids 0:random > $out - check_exec_0 "perf" - find_str_or_fail "Comm" $out ${FUNCNAME[0]} + perf script report task-analyzer --ns --rename-comms-by-tids 0:random > "$out" + check_exec_0 "perf script report task-analyzer --ns --rename-comms-by-tids 0:random" + find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}" } test_ms_filtertasks_highlight(){ out="$tmpdir/perf.out" perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf \ - > $out - check_exec_0 "perf" - find_str_or_fail "Comm" $out ${FUNCNAME[0]} + > "$out" + check_exec_0 "perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf" + find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}" } test_extended_times_timelimit_limittasks() { out="$tmpdir/perf.out" perf script report task-analyzer --extended-times --time-limit :99999 \ - --limit-to-tasks perf > $out - check_exec_0 "perf" - find_str_or_fail "Out-Out" $out ${FUNCNAME[0]} + --limit-to-tasks perf > "$out" + check_exec_0 "perf script report task-analyzer --extended-times --time-limit :99999 --limit-to-tasks perf" + find_str_or_fail "Out-Out" "$out" "${FUNCNAME[0]}" } test_summary() { out="$tmpdir/perf.out" - perf script report task-analyzer --summary > $out - check_exec_0 "perf" - find_str_or_fail "Summary" $out ${FUNCNAME[0]} + perf script report task-analyzer --summary > "$out" + check_exec_0 "perf script report task-analyzer --summary" + find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}" } test_summaryextended() { out="$tmpdir/perf.out" - perf script report task-analyzer --summary-extended > $out - check_exec_0 "perf" - find_str_or_fail "Inter Task Times" $out ${FUNCNAME[0]} + perf script report task-analyzer --summary-extended > "$out" + check_exec_0 "perf script report task-analyzer --summary-extended" + find_str_or_fail "Inter Task Times" "$out" "${FUNCNAME[0]}" } test_summaryonly() { out="$tmpdir/perf.out" - perf script report task-analyzer --summary-only > $out - check_exec_0 "perf" - find_str_or_fail "Summary" $out ${FUNCNAME[0]} + perf script report task-analyzer --summary-only > "$out" + check_exec_0 "perf script report task-analyzer --summary-only" + find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}" } test_extended_times_summary_ns() { out="$tmpdir/perf.out" - perf script report task-analyzer --extended-times --summary --ns > $out - check_exec_0 "perf" - find_str_or_fail "Out-Out" $out ${FUNCNAME[0]} - find_str_or_fail "Summary" $out ${FUNCNAME[0]} + perf script report task-analyzer --extended-times --summary --ns > "$out" + check_exec_0 "perf script report task-analyzer --extended-times --summary --ns" + find_str_or_fail "Out-Out" "$out" "${FUNCNAME[0]}" + find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}" } test_csv() { perf script report task-analyzer --csv csv > /dev/null - check_exec_0 "perf" - find_str_or_fail "Comm;" csv ${FUNCNAME[0]} + check_exec_0 "perf script report task-analyzer --csv csv" + find_str_or_fail "Comm;" csv "${FUNCNAME[0]}" } test_csv_extended_times() { perf script report task-analyzer --csv csv --extended-times > /dev/null - check_exec_0 "perf" - find_str_or_fail "Out-Out;" csv ${FUNCNAME[0]} + check_exec_0 "perf script report task-analyzer --csv csv --extended-times" + find_str_or_fail "Out-Out;" csv "${FUNCNAME[0]}" } test_csvsummary() { perf script report task-analyzer --csv-summary csvsummary > /dev/null - check_exec_0 "perf" - find_str_or_fail "Comm;" csvsummary ${FUNCNAME[0]} + check_exec_0 "perf script report task-analyzer --csv-summary csvsummary" + find_str_or_fail "Comm;" csvsummary "${FUNCNAME[0]}" } test_csvsummary_extended() { perf script report task-analyzer --csv-summary csvsummary --summary-extended \ >/dev/null - check_exec_0 "perf" - find_str_or_fail "Out-Out;" csvsummary ${FUNCNAME[0]} + check_exec_0 "perf script report task-analyzer --csv-summary csvsummary --summary-extended" + find_str_or_fail "Out-Out;" csvsummary "${FUNCNAME[0]}" } +skip_no_probe_record_support +err=$? +if [ $err -ne 0 ]; then + echo "WARN: Skipping tests. No libtraceevent support" + cleanup + exit $err +fi prepare_perf_data test_basic test_ns_rename diff --git a/tools/perf/tests/shell/test_uprobe_from_different_cu.sh b/tools/perf/tests/shell/test_uprobe_from_different_cu.sh new file mode 100755 index 000000000000..7adf9755d6de --- /dev/null +++ b/tools/perf/tests/shell/test_uprobe_from_different_cu.sh @@ -0,0 +1,89 @@ +#!/bin/bash +# test perf probe of function from different CU +# SPDX-License-Identifier: GPL-2.0 + +set -e + +# shellcheck source=lib/probe.sh +. "$(dirname $0)"/lib/probe.sh + +skip_if_no_perf_probe || exit 2 +[ "$(id -u)" == 0 ] || exit 2 + +# skip if there's no gcc +if ! [ -x "$(command -v gcc)" ]; then + echo "failed: no gcc compiler" + exit 2 +fi + +temp_dir=$(mktemp -d /tmp/perf-uprobe-different-cu-sh.XXXXXXXXXX) + +cleanup() +{ + trap - EXIT TERM INT + if [[ "${temp_dir}" =~ ^/tmp/perf-uprobe-different-cu-sh.*$ ]]; then + echo "--- Cleaning up ---" + perf probe -x ${temp_dir}/testfile -d foo || true + rm -f "${temp_dir}/"* + rmdir "${temp_dir}" + fi +} + +trap_cleanup() +{ + cleanup + exit 1 +} + +trap trap_cleanup EXIT TERM INT + +cat > ${temp_dir}/testfile-foo.h << EOF +struct t +{ + int *p; + int c; +}; + +extern int foo (int i, struct t *t); +EOF + +cat > ${temp_dir}/testfile-foo.c << EOF +#include "testfile-foo.h" + +int +foo (int i, struct t *t) +{ + int j, res = 0; + for (j = 0; j < i && j < t->c; j++) + res += t->p[j]; + + return res; +} +EOF + +cat > ${temp_dir}/testfile-main.c << EOF +#include "testfile-foo.h" + +static struct t g; + +int +main (int argc, char **argv) +{ + int i; + int j[argc]; + g.c = argc; + g.p = j; + for (i = 0; i < argc; i++) + j[i] = (int) argv[i][0]; + return foo (3, &g); +} +EOF + +gcc -g -Og -flto -c ${temp_dir}/testfile-foo.c -o ${temp_dir}/testfile-foo.o +gcc -g -Og -c ${temp_dir}/testfile-main.c -o ${temp_dir}/testfile-main.o +gcc -g -Og -o ${temp_dir}/testfile ${temp_dir}/testfile-foo.o ${temp_dir}/testfile-main.o + +perf probe -x ${temp_dir}/testfile --funcs foo | grep "foo" +perf probe -x ${temp_dir}/testfile foo + +cleanup diff --git a/tools/perf/tests/shell/timechart.sh b/tools/perf/tests/shell/timechart.sh new file mode 100755 index 000000000000..b14b3472c284 --- /dev/null +++ b/tools/perf/tests/shell/timechart.sh @@ -0,0 +1,67 @@ +#!/bin/bash +# perf timechart tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +perfdata=$(mktemp /tmp/__perf_timechart_test.perf.data.XXXXX) +output=$(mktemp /tmp/__perf_timechart_test.output.XXXXX.svg) + +cleanup() { + rm -f "${perfdata}" + rm -f "${output}" + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_timechart() { + echo "Basic perf timechart test" + + # Try to record timechart data. + # perf timechart record uses system-wide recording and specific tracepoints. + # If it fails (e.g. permissions, missing tracepoints), skip the test. + if ! perf timechart record -o "${perfdata}" true > /dev/null 2>&1; then + echo "Basic perf timechart test [Skipped: perf timechart record failed (permissions/events?)]" + return + fi + + # Generate the timechart + if ! perf timechart -i "${perfdata}" -o "${output}" > /dev/null 2>&1; then + echo "Basic perf timechart test [Failed: perf timechart command failed]" + err=1 + return + fi + + # Check if output file exists and is not empty + if [ ! -s "${output}" ]; then + echo "Basic perf timechart test [Failed: output file is empty or missing]" + err=1 + return + fi + + # Check if it looks like an SVG + if ! grep -q "svg" "${output}"; then + echo "Basic perf timechart test [Failed: output doesn't look like SVG]" + err=1 + return + fi + + echo "Basic perf timechart test [Success]" +} + +if ! perf check feature -q libtraceevent ; then + echo "perf timechart is not supported. Skip." + cleanup + exit 2 +fi + +test_timechart +cleanup +exit $err diff --git a/tools/perf/tests/shell/top.sh b/tools/perf/tests/shell/top.sh new file mode 100755 index 000000000000..768ebcf7a89c --- /dev/null +++ b/tools/perf/tests/shell/top.sh @@ -0,0 +1,74 @@ +#!/bin/bash +# perf top tests +# SPDX-License-Identifier: GPL-2.0 + +set -e + +err=0 +log_file=$(mktemp /tmp/perf.top.log.XXXXX) + +cleanup() { + rm -f "${log_file}" + trap - EXIT TERM INT +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} +trap trap_cleanup EXIT TERM INT + +test_basic_perf_top() { + echo "Basic perf top test" + + # Start a workload that spins to generate samples + # thloop runs for the specified number of seconds + perf test -w thloop 20 & + PID=$! + + # Allow it to start + sleep 0.1 + + # Run perf top for 5 seconds, monitoring that PID + # Use --stdio to avoid TUI and redirect output + # Use -d 1 to avoid flooding output + # Use -e cpu-clock to ensure we get samples + # Use sleep to keep stdin open but silent, preventing EOF loop or interactive spam + if ! sleep 10 | timeout 5s perf top --stdio -d 1 -e cpu-clock -p $PID > "${log_file}" 2>&1; then + retval=$? + if [ $retval -ne 124 ] && [ $retval -ne 0 ]; then + echo "Basic perf top test [Failed: perf top failed to start or run (ret=$retval)]" + head -n 50 "${log_file}" + kill $PID + wait $PID 2>/dev/null || true + err=1 + return + fi + fi + + kill $PID + wait $PID 2>/dev/null || true + + # Check for some sample data (percentage) + if ! grep -E -q "[0-9]+\.[0-9]+%" "${log_file}"; then + echo "Basic perf top test [Failed: no sample percentage found]" + head -n 50 "${log_file}" + err=1 + return + fi + + # Check for the symbol + if ! grep -q "test_loop" "${log_file}"; then + echo "Basic perf top test [Failed: test_loop symbol not found]" + head -n 50 "${log_file}" + err=1 + return + fi + + echo "Basic perf top test [Success]" +} + +test_basic_perf_top +cleanup +exit $err diff --git a/tools/perf/tests/shell/trace+probe_vfs_getname.sh b/tools/perf/tests/shell/trace+probe_vfs_getname.sh index 0a4bac3dd77e..7a0b1145d0cd 100755 --- a/tools/perf/tests/shell/trace+probe_vfs_getname.sh +++ b/tools/perf/tests/shell/trace+probe_vfs_getname.sh @@ -1,5 +1,5 @@ -#!/bin/sh -# Check open filename arg using perf trace + vfs_getname +#!/bin/bash +# Check open filename arg using perf trace + vfs_getname (exclusive) # Uses the 'perf test shell' library to add probe:vfs_getname to the system # then use it with 'perf trace' using 'touch' to write to a temp file, then @@ -10,22 +10,29 @@ # SPDX-License-Identifier: GPL-2.0 # Arnaldo Carvalho de Melo <acme@kernel.org>, 2017 -. $(dirname $0)/lib/probe.sh +# shellcheck source=lib/probe.sh +. "$(dirname $0)"/lib/probe.sh skip_if_no_perf_probe || exit 2 skip_if_no_perf_trace || exit 2 +[ "$(id -u)" = 0 ] || exit 2 -. $(dirname $0)/lib/probe_vfs_getname.sh +. "$(dirname $0)"/lib/probe_vfs_getname.sh trace_open_vfs_getname() { - evts=$(echo $(perf list syscalls:sys_enter_open* 2>/dev/null | grep -E 'open(at)? ' | sed -r 's/.*sys_enter_([a-z]+) +\[.*$/\1/') | sed 's/ /,/') + evts="$(echo "$(perf list tracepoint 2>/dev/null | grep -E 'syscalls:sys_enter_open(at)? ' | sed -r 's/.*sys_enter_([a-z]+) +\[.*$/\1/')" | sed ':a;N;s:\n:,:g')" perf trace -e $evts touch $file 2>&1 | \ - grep -E " +[0-9]+\.[0-9]+ +\( +[0-9]+\.[0-9]+ ms\): +touch\/[0-9]+ open(at)?\((dfd: +CWD, +)?filename: +${file}, +flags: CREAT\|NOCTTY\|NONBLOCK\|WRONLY, +mode: +IRUGO\|IWUGO\) += +[0-9]+$" + grep -E " +[0-9]+\.[0-9]+ +\( +[0-9]+\.[0-9]+ ms\): +touch/[0-9]+ open(at)?\((dfd: +CWD, +)?filename: +\"?${file}\"?, +flags: CREAT\|NOCTTY\|NONBLOCK\|WRONLY, +mode: +IRUGO\|IWUGO\) += +[0-9]+$" } - -add_probe_vfs_getname || skip_if_no_debuginfo +add_probe_vfs_getname err=$? + +if [ $err -eq 1 ] ; then + skip_if_no_debuginfo + err=$? +fi + if [ $err -ne 0 ] ; then exit $err fi diff --git a/tools/perf/tests/shell/trace_btf_enum.sh b/tools/perf/tests/shell/trace_btf_enum.sh new file mode 100755 index 000000000000..03e9f680a4a6 --- /dev/null +++ b/tools/perf/tests/shell/trace_btf_enum.sh @@ -0,0 +1,79 @@ +#!/bin/bash +# perf trace enum augmentation tests +# SPDX-License-Identifier: GPL-2.0 + +err=0 + +syscall="landlock_add_rule" +non_syscall="timer:hrtimer_start" + +TESTPROG="perf test -w landlock" + +# shellcheck source=lib/probe.sh +. "$(dirname $0)"/lib/probe.sh +skip_if_no_perf_trace || exit 2 +[ "$(id -u)" = 0 ] || exit 2 + +check_vmlinux() { + echo "Checking if vmlinux exists" + if [ ! -f /sys/kernel/btf/vmlinux ] + then + echo "trace+enum test [Skipped missing vmlinux BTF support]" + err=2 + fi +} + +check_permissions() { + if perf trace -e $syscall $TESTPROG 2>&1 | grep -q "Operation not permitted" + then + echo "trace+enum test [Skipped permissions]" + err=2 + fi +} + +trace_landlock() { + echo "Tracing syscall ${syscall}" + + # test flight just to see if landlock_add_rule is available + if ! perf trace $TESTPROG 2>&1 | grep -q landlock + then + echo "No landlock system call found, skipping to non-syscall tracing." + return + fi + + output="$(perf trace -e $syscall $TESTPROG 2>&1)" + if echo "$output" | grep -q -E ".*landlock_add_rule\(ruleset_fd: 11, rule_type: (LANDLOCK_RULE_PATH_BENEATH|LANDLOCK_RULE_NET_PORT), rule_attr: 0x[a-f0-9]+, flags: 45\) = -1.*" + then + err=0 + else + printf "[syscall failure] Failed to trace syscall $syscall, output:\n$output\n" + err=1 + fi +} + +trace_non_syscall() { + echo "Tracing non-syscall tracepoint ${non_syscall}" + output="$(perf trace -e $non_syscall --max-events=1 2>&1)" + if echo "$output" | grep -q -E '.*timer:hrtimer_.*\(.*mode: HRTIMER_MODE_.*\)$' + then + err=0 + else + printf "[tracepoint failure] Failed to trace tracepoint $non_syscall, output:\n$output\n" + err=1 + fi +} + +check_vmlinux +if [ $err = 0 ]; then + check_permissions +fi + +if [ $err = 0 ]; then + trace_landlock +fi + +if [ $err = 0 ]; then + trace_non_syscall +fi + +exit $err diff --git a/tools/perf/tests/shell/trace_btf_general.sh b/tools/perf/tests/shell/trace_btf_general.sh new file mode 100755 index 000000000000..ef2da806be6b --- /dev/null +++ b/tools/perf/tests/shell/trace_btf_general.sh @@ -0,0 +1,94 @@ +#!/bin/bash +# perf trace BTF general tests +# SPDX-License-Identifier: GPL-2.0 + +err=0 + +# shellcheck source=lib/probe.sh +. "$(dirname $0)"/lib/probe.sh + +file1=$(mktemp /tmp/file1_XXXX) +file2=$(echo $file1 | sed 's/file1/file2/g') + +buffer="buffer content" +perf_config_tmp=$(mktemp /tmp/.perfconfig_XXXXX) + +trap cleanup EXIT TERM INT HUP + +check_vmlinux() { + echo "Checking if vmlinux BTF exists" + if [ ! -f /sys/kernel/btf/vmlinux ] + then + echo "Skipped due to missing vmlinux BTF" + return 2 + fi + return 0 +} + +trace_test_string() { + echo "Testing perf trace's string augmentation" + output="$(perf trace --sort-events -e renameat* --max-events=1 -- mv ${file1} ${file2} 2>&1)" + if ! echo "$output" | grep -q -E "^mv/[0-9]+ renameat(2)?\(.*, \"${file1}\", .*, \"${file2}\", .*\) += +[0-9]+$" + then + printf "String augmentation test failed, output:\n$output\n" + err=1 + fi +} + +trace_test_buffer() { + echo "Testing perf trace's buffer augmentation" + # echo will insert a newline (\10) at the end of the buffer + output="$(perf trace --sort-events -e write --max-events=1 -- echo "${buffer}" 2>&1)" + if ! echo "$output" | grep -q -E "^echo/[0-9]+ write\([0-9]+, ${buffer}.*, [0-9]+\) += +[0-9]+$" + then + printf "Buffer augmentation test failed, output:\n$output\n" + err=1 + fi +} + +trace_test_struct_btf() { + echo "Testing perf trace's struct augmentation" + output="$(perf trace --sort-events -e clock_nanosleep --force-btf --max-events=1 -- sleep 1 2>&1)" + if ! echo "$output" | grep -q -E "^sleep/[0-9]+ clock_nanosleep\(0, 0, \{1,.*\}, 0x[0-9a-f]+\) += +[0-9]+$" + then + printf "BTF struct augmentation test failed, output:\n$output\n" + err=1 + fi +} + +cleanup() { + rm -rf ${file1} ${file2} ${perf_config_tmp} +} + +trap_cleanup() { + echo "Unexpected signal in ${FUNCNAME[1]}" + cleanup + exit 1 +} + +# don't overwrite user's perf config +trace_config() { + export PERF_CONFIG=${perf_config_tmp} + perf config trace.show_arg_names=false trace.show_duration=false \ + trace.show_timestamp=false trace.args_alignment=0 +} + +skip_if_no_perf_trace || exit 2 +check_vmlinux || exit 2 +[ "$(id -u)" = 0 ] || exit 2 + +trace_config + +trace_test_string + +if [ $err = 0 ]; then + trace_test_buffer +fi + +if [ $err = 0 ]; then + trace_test_struct_btf +fi + +cleanup + +exit $err diff --git a/tools/perf/tests/shell/trace_exit_race.sh b/tools/perf/tests/shell/trace_exit_race.sh new file mode 100755 index 000000000000..db300cde94fb --- /dev/null +++ b/tools/perf/tests/shell/trace_exit_race.sh @@ -0,0 +1,52 @@ +#!/bin/bash +# perf trace exit race +# SPDX-License-Identifier: GPL-2.0 + +# Check that the last events of a perf trace'd subprocess are not +# lost. Specifically, trace the exiting syscall of "true" 10 times and ensure +# the output contains 10 correct lines. + +# shellcheck source=lib/probe.sh +. "$(dirname $0)"/lib/probe.sh + +skip_if_no_perf_trace || exit 2 +[ "$(id -u)" = 0 ] || exit 2 + +if [ "$1" = "-v" ]; then + verbose="1" +fi + +iter=10 +regexp=" +[0-9]+\.[0-9]+ [0-9]+ syscalls:sys_enter_exit_group\(\)$" + +trace_shutdown_race() { + for _ in $(seq $iter); do + perf trace --no-comm -e syscalls:sys_enter_exit_group true 2>>$file + done + result="$(grep -c -E "$regexp" $file)" + [ $result = $iter ] +} + + +file=$(mktemp /tmp/temporary_file.XXXXX) + +# Do not use whatever ~/.perfconfig file, it may change the output +# via trace.{show_timestamp,show_prefix,etc} +export PERF_CONFIG=/dev/null + +trace_shutdown_race +err=$? + +if [ $err != 0 ] && [ "${verbose}" = "1" ]; then + lines_not_matching=$(mktemp /tmp/temporary_file.XXXXX) + if grep -v -E "$regexp" $file > $lines_not_matching ; then + echo "Lines not matching the expected regexp: '$regexp':" + cat $lines_not_matching + else + echo "Missing output, expected $iter but only got $result" + fi + rm -f $lines_not_matching +fi + +rm -f ${file} +exit $err diff --git a/tools/perf/tests/shell/trace_record_replay.sh b/tools/perf/tests/shell/trace_record_replay.sh new file mode 100755 index 000000000000..88d30a03dcec --- /dev/null +++ b/tools/perf/tests/shell/trace_record_replay.sh @@ -0,0 +1,21 @@ +#!/bin/bash +# perf trace record and replay +# SPDX-License-Identifier: GPL-2.0 + +# Check that perf trace works with record and replay + +# shellcheck source=lib/probe.sh +. "$(dirname $0)"/lib/probe.sh + +skip_if_no_perf_trace || exit 2 +[ "$(id -u)" = 0 ] || exit 2 + +file=$(mktemp /tmp/temporary_file.XXXXX) + +perf trace record -o ${file} sleep 1 || exit 1 +if ! perf trace -i ${file} 2>&1 | grep nanosleep; then + echo "Failed: cannot find *nanosleep syscall" + exit 1 +fi + +rm -f ${file} diff --git a/tools/perf/tests/shell/trace_summary.sh b/tools/perf/tests/shell/trace_summary.sh new file mode 100755 index 000000000000..22e2651d5919 --- /dev/null +++ b/tools/perf/tests/shell/trace_summary.sh @@ -0,0 +1,77 @@ +#!/bin/bash +# perf trace summary (exclusive) +# SPDX-License-Identifier: GPL-2.0 + +# Check that perf trace works with various summary mode + +# shellcheck source=lib/probe.sh +. "$(dirname $0)"/lib/probe.sh + +skip_if_no_perf_trace || exit 2 +[ "$(id -u)" = 0 ] || exit 2 + +OUTPUT=$(mktemp /tmp/perf_trace_test.XXXXX) + +test_perf_trace() { + args=$1 + workload="true" + search="^\s*(open|read|close).*[0-9]+%$" + + echo "testing: perf trace ${args} -- ${workload}" + perf trace ${args} -- ${workload} >${OUTPUT} 2>&1 + if [ $? -ne 0 ]; then + echo "Error: perf trace ${args} failed unexpectedly" + cat ${OUTPUT} + rm -f ${OUTPUT} + exit 1 + fi + + count=$(grep -E -c -m 3 "${search}" ${OUTPUT}) + if [ "${count}" != "3" ]; then + echo "Error: cannot find enough pattern ${search} in the output" + cat ${OUTPUT} + rm -f ${OUTPUT} + exit 1 + fi +} + +# summary only for a process +test_perf_trace "-s" + +# normal output with summary at the end +test_perf_trace "-S" + +# summary only with an explicit summary mode +test_perf_trace "-s --summary-mode=thread" + +# summary with normal output - total summary mode +test_perf_trace "-S --summary-mode=total" + +# summary only for system wide - per-thread summary +test_perf_trace "-as --summary-mode=thread --no-bpf-summary" + +# summary only for system wide - total summary mode +test_perf_trace "-as --summary-mode=total --no-bpf-summary" + +if ! perf check feature -q bpf; then + echo "Skip --bpf-summary tests as perf built without libbpf" + rm -f ${OUTPUT} + exit 2 +fi + +# summary only for system wide - per-thread summary with BPF +test_perf_trace "-as --summary-mode=thread --bpf-summary" + +# summary only for system wide - total summary mode with BPF +test_perf_trace "-as --summary-mode=total --bpf-summary" + +# summary with normal output for system wide - total summary mode with BPF +test_perf_trace "-aS --summary-mode=total --bpf-summary" + +# summary only for system wide - cgroup summary mode with BPF +test_perf_trace "-as --summary-mode=cgroup --bpf-summary" + +# summary with normal output for system wide - cgroup summary mode with BPF +test_perf_trace "-aS --summary-mode=cgroup --bpf-summary" + +rm -f ${OUTPUT} diff --git a/tools/perf/tests/sigtrap.c b/tools/perf/tests/sigtrap.c index 1de7478ec189..a67c756f90b8 100644 --- a/tools/perf/tests/sigtrap.c +++ b/tools/perf/tests/sigtrap.c @@ -56,37 +56,66 @@ static struct perf_event_attr make_event_attr(void) #ifdef HAVE_BPF_SKEL #include <bpf/btf.h> +#include <util/btf.h> + +static struct btf *btf; + +static bool btf__available(void) +{ + if (btf == NULL) + btf = btf__load_vmlinux_btf(); + + return btf != NULL; +} + +static void btf__exit(void) +{ + btf__free(btf); + btf = NULL; +} static bool attr_has_sigtrap(void) { - bool ret = false; - struct btf *btf; - const struct btf_type *t; - const struct btf_member *m; - const char *name; - int i, id; - - btf = btf__load_vmlinux_btf(); - if (btf == NULL) { + int id; + + if (!btf__available()) { /* should be an old kernel */ return false; } id = btf__find_by_name_kind(btf, "perf_event_attr", BTF_KIND_STRUCT); if (id < 0) - goto out; + return false; - t = btf__type_by_id(btf, id); - for (i = 0, m = btf_members(t); i < btf_vlen(t); i++, m++) { - name = btf__name_by_offset(btf, m->name_off); - if (!strcmp(name, "sigtrap")) { - ret = true; - break; - } - } -out: - btf__free(btf); - return ret; + return __btf_type__find_member_by_name(btf, id, "sigtrap") != NULL; +} + +static bool kernel_with_sleepable_spinlocks(void) +{ + const struct btf_member *member; + const struct btf_type *type; + const char *type_name; + int id; + + if (!btf__available()) + return false; + + id = btf__find_by_name_kind(btf, "spinlock", BTF_KIND_STRUCT); + if (id < 0) + return false; + + // Only RT has a "lock" member for "struct spinlock" + member = __btf_type__find_member_by_name(btf, id, "lock"); + if (member == NULL) + return false; + + // But check its type as well + type = btf__type_by_id(btf, member->type); + if (!type || !btf_is_struct(type)) + return false; + + type_name = btf__name_by_offset(btf, type->name_off); + return type_name && !strcmp(type_name, "rt_mutex_base"); } #else /* !HAVE_BPF_SKEL */ static bool attr_has_sigtrap(void) @@ -109,6 +138,15 @@ static bool attr_has_sigtrap(void) return ret; } + +static bool kernel_with_sleepable_spinlocks(void) +{ + return false; +} + +static void btf__exit(void) +{ +} #endif /* HAVE_BPF_SKEL */ static void @@ -147,7 +185,7 @@ static int run_test_threads(pthread_t *threads, pthread_barrier_t *barrier) static int run_stress_test(int fd, pthread_t *threads, pthread_barrier_t *barrier) { - int ret; + int ret, expected_sigtraps; ctx.iterate_on = 3000; @@ -156,7 +194,16 @@ static int run_stress_test(int fd, pthread_t *threads, pthread_barrier_t *barrie ret = run_test_threads(threads, barrier); TEST_ASSERT_EQUAL("disable failed", ioctl(fd, PERF_EVENT_IOC_DISABLE, 0), 0); - TEST_ASSERT_EQUAL("unexpected sigtraps", ctx.signal_count, NUM_THREADS * ctx.iterate_on); + expected_sigtraps = NUM_THREADS * ctx.iterate_on; + + if (ctx.signal_count < expected_sigtraps && kernel_with_sleepable_spinlocks()) { + pr_debug("Expected %d sigtraps, got %d, running on a kernel with sleepable spinlocks.\n", + expected_sigtraps, ctx.signal_count); + pr_debug("See https://lore.kernel.org/all/e368f2c848d77fbc8d259f44e2055fe469c219cf.camel@gmx.de/\n"); + return TEST_SKIP; + } else + TEST_ASSERT_EQUAL("unexpected sigtraps", ctx.signal_count, expected_sigtraps); + TEST_ASSERT_EQUAL("missing signals or incorrectly delivered", ctx.tids_want_signal, 0); TEST_ASSERT_VAL("unexpected si_addr", ctx.first_siginfo.si_addr == &ctx.iterate_on); #if 0 /* FIXME: enable when libc's signal.h has si_perf_{type,data} */ @@ -221,6 +268,7 @@ out_restore_sigaction: sigaction(SIGTRAP, &oldact, NULL); out: pthread_barrier_destroy(&barrier); + btf__exit(); return ret; } diff --git a/tools/perf/tests/stat.c b/tools/perf/tests/stat.c index 500974040fe3..d60983657bad 100644 --- a/tools/perf/tests/stat.c +++ b/tools/perf/tests/stat.c @@ -21,13 +21,13 @@ static bool has_term(struct perf_record_stat_config *config, return false; } -static int process_stat_config_event(struct perf_tool *tool __maybe_unused, +static int process_stat_config_event(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) { struct perf_record_stat_config *config = &event->stat_config; - struct perf_stat_config stat_config; + struct perf_stat_config test_stat_config = {}; #define HAS(term, val) \ has_term(config, PERF_STAT_CONFIG_TERM__##term, val) @@ -39,30 +39,32 @@ static int process_stat_config_event(struct perf_tool *tool __maybe_unused, #undef HAS - perf_event__read_stat_config(&stat_config, config); + perf_event__read_stat_config(&test_stat_config, config); - TEST_ASSERT_VAL("wrong aggr_mode", stat_config.aggr_mode == AGGR_CORE); - TEST_ASSERT_VAL("wrong scale", stat_config.scale == 1); - TEST_ASSERT_VAL("wrong interval", stat_config.interval == 1); + TEST_ASSERT_VAL("wrong aggr_mode", test_stat_config.aggr_mode == AGGR_CORE); + TEST_ASSERT_VAL("wrong scale", test_stat_config.scale == 1); + TEST_ASSERT_VAL("wrong interval", test_stat_config.interval == 1); return 0; } static int test__synthesize_stat_config(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { - struct perf_stat_config stat_config = { + struct perf_stat_config test_stat_config = { .aggr_mode = AGGR_CORE, .scale = 1, .interval = 1, }; TEST_ASSERT_VAL("failed to synthesize stat_config", - !perf_event__synthesize_stat_config(NULL, &stat_config, process_stat_config_event, NULL)); + !perf_event__synthesize_stat_config(NULL, &test_stat_config, + process_stat_config_event, + NULL)); return 0; } -static int process_stat_event(struct perf_tool *tool __maybe_unused, +static int process_stat_event(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) @@ -93,7 +95,7 @@ static int test__synthesize_stat(struct test_suite *test __maybe_unused, int sub return 0; } -static int process_stat_round_event(struct perf_tool *tool __maybe_unused, +static int process_stat_round_event(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) diff --git a/tools/perf/tests/subcmd-help.c b/tools/perf/tests/subcmd-help.c new file mode 100644 index 000000000000..2280b4c0e5e7 --- /dev/null +++ b/tools/perf/tests/subcmd-help.c @@ -0,0 +1,108 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "tests.h" +#include <linux/compiler.h> +#include <subcmd/help.h> + +static int test__load_cmdnames(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + struct cmdnames cmds = {}; + + add_cmdname(&cmds, "aaa", 3); + add_cmdname(&cmds, "foo", 3); + add_cmdname(&cmds, "xyz", 3); + + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds, "aaa") == 1); + TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds, "bar") == 0); + TEST_ASSERT_VAL("case sensitive", is_in_cmdlist(&cmds, "XYZ") == 0); + + clean_cmdnames(&cmds); + return TEST_OK; +} + +static int test__uniq_cmdnames(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + struct cmdnames cmds = {}; + + /* uniq() assumes it's sorted */ + add_cmdname(&cmds, "aaa", 3); + add_cmdname(&cmds, "aaa", 3); + add_cmdname(&cmds, "bbb", 3); + + TEST_ASSERT_VAL("invalid original size", cmds.cnt == 3); + /* uniquify command names (to remove second 'aaa') */ + uniq(&cmds); + TEST_ASSERT_VAL("invalid final size", cmds.cnt == 2); + + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds, "aaa") == 1); + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds, "bbb") == 1); + TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds, "ccc") == 0); + + clean_cmdnames(&cmds); + return TEST_OK; +} + +static int test__exclude_cmdnames(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + struct cmdnames cmds1 = {}; + struct cmdnames cmds2 = {}; + + add_cmdname(&cmds1, "aaa", 3); + add_cmdname(&cmds1, "bbb", 3); + add_cmdname(&cmds1, "ccc", 3); + add_cmdname(&cmds1, "ddd", 3); + add_cmdname(&cmds1, "eee", 3); + add_cmdname(&cmds1, "fff", 3); + add_cmdname(&cmds1, "ggg", 3); + add_cmdname(&cmds1, "hhh", 3); + add_cmdname(&cmds1, "iii", 3); + add_cmdname(&cmds1, "jjj", 3); + + add_cmdname(&cmds2, "bbb", 3); + add_cmdname(&cmds2, "eee", 3); + add_cmdname(&cmds2, "jjj", 3); + + TEST_ASSERT_VAL("invalid original size", cmds1.cnt == 10); + TEST_ASSERT_VAL("invalid original size", cmds2.cnt == 3); + + /* remove duplicate command names in cmds1 */ + exclude_cmds(&cmds1, &cmds2); + + TEST_ASSERT_VAL("invalid excluded size", cmds1.cnt == 7); + TEST_ASSERT_VAL("invalid excluded size", cmds2.cnt == 3); + + /* excluded commands should not belong to cmds1 */ + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "aaa") == 1); + TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "bbb") == 0); + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "ccc") == 1); + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "ddd") == 1); + TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "eee") == 0); + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "fff") == 1); + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "ggg") == 1); + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "hhh") == 1); + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds1, "iii") == 1); + TEST_ASSERT_VAL("wrong cmd", is_in_cmdlist(&cmds1, "jjj") == 0); + + /* they should be only in cmds2 */ + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds2, "bbb") == 1); + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds2, "eee") == 1); + TEST_ASSERT_VAL("cannot find cmd", is_in_cmdlist(&cmds2, "jjj") == 1); + + clean_cmdnames(&cmds1); + clean_cmdnames(&cmds2); + return TEST_OK; +} + +static struct test_case tests__subcmd_help[] = { + TEST_CASE("Load subcmd names", load_cmdnames), + TEST_CASE("Uniquify subcmd names", uniq_cmdnames), + TEST_CASE("Exclude duplicate subcmd names", exclude_cmdnames), + { .name = NULL, } +}; + +struct test_suite suite__subcmd_help = { + .desc = "libsubcmd help tests", + .test_cases = tests__subcmd_help, +}; diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index 4d7493fa0105..4a2ad7176fa0 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -62,7 +62,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) } evlist__add(evlist, evsel); - cpus = perf_cpu_map__dummy_new(); + cpus = perf_cpu_map__new_any_cpu(); threads = thread_map__new_by_tid(getpid()); if (!cpus || !threads) { err = -ENOMEM; @@ -104,12 +104,14 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) while ((event = perf_mmap__read_event(&md->core)) != NULL) { struct perf_sample sample; + perf_sample__init(&sample, /*all=*/false); if (event->header.type != PERF_RECORD_SAMPLE) goto next_event; err = evlist__parse_sample(evlist, event, &sample); if (err < 0) { pr_debug("Error during parse sample\n"); + perf_sample__exit(&sample); goto out_delete_evlist; } @@ -117,6 +119,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) nr_samples++; next_event: perf_mmap__consume(&md->core); + perf_sample__exit(&sample); } perf_mmap__read_done(&md->core); diff --git a/tools/perf/tests/switch-tracking.c b/tools/perf/tests/switch-tracking.c index b3bd14b025a8..15791fcb76b2 100644 --- a/tools/perf/tests/switch-tracking.c +++ b/tools/perf/tests/switch-tracking.c @@ -20,7 +20,7 @@ #include "tests.h" #include "util/mmap.h" #include "util/sample.h" -#include "pmu.h" +#include "pmus.h" static int spin_sleep(void) { @@ -131,9 +131,11 @@ static int process_sample_event(struct evlist *evlist, pid_t next_tid, prev_tid; int cpu, err; + perf_sample__init(&sample, /*all=*/false); if (evlist__parse_sample(evlist, event, &sample)) { pr_debug("evlist__parse_sample failed\n"); - return -1; + err = -1; + goto out; } evsel = evlist__id2evsel(evlist, sample.id); @@ -145,7 +147,7 @@ static int process_sample_event(struct evlist *evlist, cpu, prev_tid, next_tid); err = check_cpu(switch_tracking, cpu); if (err) - return err; + goto out; /* * Check for no missing sched_switch events i.e. that the * evsel->core.system_wide flag has worked. @@ -153,7 +155,8 @@ static int process_sample_event(struct evlist *evlist, if (switch_tracking->tids[cpu] != -1 && switch_tracking->tids[cpu] != prev_tid) { pr_debug("Missing sched_switch events\n"); - return -1; + err = -1; + goto out; } switch_tracking->tids[cpu] = next_tid; } @@ -169,7 +172,10 @@ static int process_sample_event(struct evlist *evlist, switch_tracking->cycles_after_comm_4 = 1; } - return 0; + err = 0; +out: + perf_sample__exit(&sample); + return err; } static int process_event(struct evlist *evlist, union perf_event *event, @@ -258,7 +264,7 @@ static int compar(const void *a, const void *b) const struct event_node *nodeb = b; s64 cmp = nodea->event_time - nodeb->event_time; - return cmp; + return cmp < 0 ? -1 : (cmp > 0 ? 1 : 0); } static int process_events(struct evlist *evlist, @@ -326,7 +332,7 @@ out_free_nodes: static int test__switch_tracking(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { const char *sched_switch = "sched:sched_switch"; - const char *cycles = "cycles:u"; + const char *cycles = "cpu-cycles:u"; struct switch_tracking switch_tracking = { .tids = NULL, }; struct record_opts opts = { .mmap_pages = UINT_MAX, @@ -345,13 +351,13 @@ static int test__switch_tracking(struct test_suite *test __maybe_unused, int sub const char *comm; int err = -1; - threads = thread_map__new(-1, getpid(), UINT_MAX); + threads = thread_map__new_by_tid(getpid()); if (!threads) { pr_debug("thread_map__new failed!\n"); goto out_err; } - cpus = perf_cpu_map__new(NULL); + cpus = perf_cpu_map__new_online_cpus(); if (!cpus) { pr_debug("perf_cpu_map__new failed!\n"); goto out_err; @@ -375,17 +381,7 @@ static int test__switch_tracking(struct test_suite *test __maybe_unused, int sub cpu_clocks_evsel = evlist__last(evlist); /* Second event */ - if (perf_pmu__has_hybrid()) { - cycles = "cpu_core/cycles/u"; - err = parse_event(evlist, cycles); - if (err) { - cycles = "cpu_atom/cycles/u"; - pr_debug("Trying %s\n", cycles); - err = parse_event(evlist, cycles); - } - } else { - err = parse_event(evlist, cycles); - } + err = parse_event(evlist, cycles); if (err) { pr_debug("Failed to parse event %s\n", cycles); goto out_err; @@ -593,4 +589,4 @@ out_err: goto out; } -DEFINE_SUITE("Track with sched_switch", switch_tracking); +DEFINE_SUITE_EXCLUSIVE("Track with sched_switch", switch_tracking); diff --git a/tools/perf/tests/symbols.c b/tools/perf/tests/symbols.c new file mode 100644 index 000000000000..f4ffe5804f40 --- /dev/null +++ b/tools/perf/tests/symbols.c @@ -0,0 +1,226 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/compiler.h> +#include <linux/string.h> +#include <sys/mman.h> +#include <limits.h> +#include "debug.h" +#include "dso.h" +#include "env.h" +#include "machine.h" +#include "thread.h" +#include "symbol.h" +#include "map.h" +#include "util.h" +#include "tests.h" + +struct test_info { + struct perf_env host_env; + struct machine *machine; + struct thread *thread; +}; + +static int init_test_info(struct test_info *ti) +{ + perf_env__init(&ti->host_env); + ti->machine = machine__new_host(&ti->host_env); + if (!ti->machine) { + pr_debug("machine__new_host() failed!\n"); + perf_env__exit(&ti->host_env); + return TEST_FAIL; + } + + /* Create a dummy thread */ + ti->thread = machine__findnew_thread(ti->machine, 100, 100); + if (!ti->thread) { + pr_debug("machine__findnew_thread() failed!\n"); + perf_env__exit(&ti->host_env); + return TEST_FAIL; + } + + return TEST_OK; +} + +static void exit_test_info(struct test_info *ti) +{ + thread__put(ti->thread); + machine__delete(ti->machine); + perf_env__exit(&ti->host_env); +} + +struct dso_map { + struct dso *dso; + struct map *map; +}; + +static int find_map_cb(struct map *map, void *d) +{ + struct dso_map *data = d; + + if (map__dso(map) != data->dso) + return 0; + data->map = map; + return 1; +} + +static struct map *find_module_map(struct machine *machine, struct dso *dso) +{ + struct dso_map data = { .dso = dso }; + + machine__for_each_kernel_map(machine, find_map_cb, &data); + + return data.map; +} + +static void get_test_dso_filename(char *filename, size_t max_sz) +{ + if (dso_to_test) + strlcpy(filename, dso_to_test, max_sz); + else + perf_exe(filename, max_sz); +} + +static int create_map(struct test_info *ti, char *filename, struct map **map_p) +{ + struct dso *dso = machine__findnew_dso(ti->machine, filename); + + /* + * If 'filename' matches a current kernel module, must use a kernel + * map. Find the one that already exists. + */ + if (dso && dso__kernel(dso) != DSO_SPACE__USER) { + *map_p = find_module_map(ti->machine, dso); + dso__put(dso); + if (!*map_p) { + pr_debug("Failed to find map for current kernel module %s", + filename); + return TEST_FAIL; + } + map__get(*map_p); + return TEST_OK; + } + + dso__put(dso); + + /* Create a dummy map at 0x100000 */ + *map_p = map__new(ti->machine, 0x100000, 0xffffffff, 0, &dso_id_empty, + PROT_EXEC, /*flags=*/0, filename, ti->thread); + if (!*map_p) { + pr_debug("Failed to create map!"); + return TEST_FAIL; + } + + return TEST_OK; +} + +static int test_dso(struct dso *dso) +{ + struct symbol *last_sym = NULL; + struct rb_node *nd; + int ret = TEST_OK; + + /* dso__fprintf() prints all the symbols */ + if (verbose > 1) + dso__fprintf(dso, stderr); + + for (nd = rb_first_cached(dso__symbols(dso)); nd; nd = rb_next(nd)) { + struct symbol *sym = rb_entry(nd, struct symbol, rb_node); + + if (sym->type != STT_FUNC && sym->type != STT_GNU_IFUNC) + continue; + + /* Check for overlapping function symbols */ + if (last_sym && sym->start < last_sym->end) { + pr_debug("Overlapping symbols:\n"); + symbol__fprintf(last_sym, stderr); + symbol__fprintf(sym, stderr); + ret = TEST_FAIL; + } + /* Check for zero-length function symbol */ + if (sym->start == sym->end) { + pr_debug("Zero-length symbol:\n"); + symbol__fprintf(sym, stderr); + ret = TEST_FAIL; + } + last_sym = sym; + } + + return ret; +} + +static int subdivided_dso_cb(struct dso *dso, struct machine *machine __maybe_unused, void *d) +{ + struct dso *text_dso = d; + + if (dso != text_dso && strstarts(dso__short_name(dso), dso__short_name(text_dso))) + if (test_dso(dso) != TEST_OK) + return -1; + + return 0; +} + +static int process_subdivided_dso(struct machine *machine, struct dso *dso) +{ + int ret; + + ret = machine__for_each_dso(machine, subdivided_dso_cb, dso); + + return ret < 0 ? TEST_FAIL : TEST_OK; +} + +static int test_file(struct test_info *ti, char *filename) +{ + struct map *map = NULL; + int ret, nr; + struct dso *dso; + + pr_debug("Testing %s\n", filename); + + ret = create_map(ti, filename, &map); + if (ret != TEST_OK) + return ret; + + dso = map__dso(map); + nr = dso__load(dso, map); + if (nr < 0) { + pr_debug("dso__load() failed!\n"); + ret = TEST_FAIL; + goto out_put; + } + + if (nr == 0) { + pr_debug("DSO has no symbols!\n"); + ret = TEST_SKIP; + goto out_put; + } + + ret = test_dso(dso); + + /* Module dso is split into many dsos by section */ + if (ret == TEST_OK && dso__kernel(dso) != DSO_SPACE__USER) + ret = process_subdivided_dso(ti->machine, dso); +out_put: + map__put(map); + + return ret; +} + +static int test__symbols(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + char filename[PATH_MAX]; + struct test_info ti; + int ret; + + ret = init_test_info(&ti); + if (ret != TEST_OK) + return ret; + + get_test_dso_filename(filename, sizeof(filename)); + + ret = test_file(&ti, filename); + + exit_test_info(&ti); + + return ret; +} + +DEFINE_SUITE("Symbols", symbols); diff --git a/tools/perf/tests/task-exit.c b/tools/perf/tests/task-exit.c index 25f075fa9125..4053ff2813bb 100644 --- a/tools/perf/tests/task-exit.c +++ b/tools/perf/tests/task-exit.c @@ -46,7 +46,6 @@ static int test__task_exit(struct test_suite *test __maybe_unused, int subtest _ struct evsel *evsel; struct evlist *evlist; struct target target = { - .uid = UINT_MAX, .uses_mmap = true, }; const char *argv[] = { "true", NULL }; @@ -58,9 +57,9 @@ static int test__task_exit(struct test_suite *test __maybe_unused, int subtest _ signal(SIGCHLD, sig_handler); - evlist = evlist__new_default(); + evlist = evlist__new_dummy(); if (evlist == NULL) { - pr_debug("evlist__new_default\n"); + pr_debug("evlist__new_dummy\n"); return -1; } @@ -70,7 +69,7 @@ static int test__task_exit(struct test_suite *test __maybe_unused, int subtest _ * evlist__prepare_workload we'll fill in the only thread * we're monitoring, the one forked there. */ - cpus = perf_cpu_map__dummy_new(); + cpus = perf_cpu_map__new_any_cpu(); threads = thread_map__new_by_tid(-1); if (!cpus || !threads) { err = -ENOMEM; @@ -152,4 +151,11 @@ out_delete_evlist: return err; } -DEFINE_SUITE("Number of exit events of a simple workload", task_exit); +struct test_case tests__task_exit[] = { + TEST_CASE_EXCLUSIVE("Number of exit events of a simple workload", task_exit), + { .name = NULL, } +}; +struct test_suite suite__task_exit = { + .desc = "Number of exit events of a simple workload", + .test_cases = tests__task_exit, +}; diff --git a/tools/perf/tests/tests-scripts.c b/tools/perf/tests/tests-scripts.c new file mode 100644 index 000000000000..f18c4cd337c8 --- /dev/null +++ b/tools/perf/tests/tests-scripts.c @@ -0,0 +1,294 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <dirent.h> +#include <errno.h> +#include <fcntl.h> +#include <linux/ctype.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/zalloc.h> +#include <string.h> +#include <stdlib.h> +#include <sys/types.h> +#include <unistd.h> +#include <subcmd/exec-cmd.h> +#include <subcmd/parse-options.h> +#include <sys/wait.h> +#include <sys/stat.h> +#include <api/io.h> +#include "builtin.h" +#include "tests-scripts.h" +#include "color.h" +#include "debug.h" +#include "hist.h" +#include "intlist.h" +#include "string2.h" +#include "symbol.h" +#include "tests.h" +#include "util/rlimit.h" +#include "util/util.h" + +static int shell_tests__dir_fd(void) +{ + struct stat st; + char path[PATH_MAX], path2[PATH_MAX], *exec_path; + static const char * const devel_dirs[] = { + "./tools/perf/tests/shell", + "./tests/shell", + "./source/tests/shell" + }; + int fd; + char *p; + + for (size_t i = 0; i < ARRAY_SIZE(devel_dirs); ++i) { + fd = open(devel_dirs[i], O_PATH); + + if (fd >= 0) + return fd; + } + + /* Use directory of executable */ + if (readlink("/proc/self/exe", path2, sizeof path2) < 0) + return -1; + /* Follow another level of symlink if there */ + if (lstat(path2, &st) == 0 && (st.st_mode & S_IFMT) == S_IFLNK) { + scnprintf(path, sizeof(path), path2); + if (readlink(path, path2, sizeof path2) < 0) + return -1; + } + /* Get directory */ + p = strrchr(path2, '/'); + if (p) + *p = 0; + scnprintf(path, sizeof(path), "%s/tests/shell", path2); + fd = open(path, O_PATH); + if (fd >= 0) + return fd; + scnprintf(path, sizeof(path), "%s/source/tests/shell", path2); + fd = open(path, O_PATH); + if (fd >= 0) + return fd; + + /* Then installed path. */ + exec_path = get_argv_exec_path(); + scnprintf(path, sizeof(path), "%s/tests/shell", exec_path); + free(exec_path); + return open(path, O_PATH); +} + +static char *shell_test__description(int dir_fd, const char *name) +{ + struct io io; + char buf[128], desc[256]; + int ch, pos = 0; + + io__init(&io, openat(dir_fd, name, O_RDONLY), buf, sizeof(buf)); + if (io.fd < 0) + return NULL; + + /* Skip first line - should be #!/bin/bash Shebang */ + if (io__get_char(&io) != '#') + goto err_out; + if (io__get_char(&io) != '!') + goto err_out; + do { + ch = io__get_char(&io); + if (ch < 0) + goto err_out; + } while (ch != '\n'); + + do { + ch = io__get_char(&io); + if (ch < 0) + goto err_out; + } while (ch == '#' || isspace(ch)); + while (ch > 0 && ch != '\n') { + desc[pos++] = ch; + if (pos >= (int)sizeof(desc) - 1) + break; + ch = io__get_char(&io); + } + while (pos > 0 && isspace(desc[--pos])) + ; + desc[++pos] = '\0'; + close(io.fd); + return strdup(desc); +err_out: + close(io.fd); + return NULL; +} + +/* Is this full file path a shell script */ +static bool is_shell_script(int dir_fd, const char *path) +{ + const char *ext; + + ext = strrchr(path, '.'); + if (!ext) + return false; + if (!strcmp(ext, ".sh")) { /* Has .sh extension */ + if (faccessat(dir_fd, path, R_OK | X_OK, 0) == 0) /* Is executable */ + return true; + } + return false; +} + +/* Is this file in this dir a shell script (for test purposes) */ +static bool is_test_script(int dir_fd, const char *name) +{ + return is_shell_script(dir_fd, name); +} + +/* Duplicate a string and fall over and die if we run out of memory */ +static char *strdup_check(const char *str) +{ + char *newstr; + + newstr = strdup(str); + if (!newstr) { + pr_err("Out of memory while duplicating test script string\n"); + abort(); + } + return newstr; +} + +static int shell_test__run(struct test_suite *test, int subtest __maybe_unused) +{ + const char *file = test->priv; + int err; + char *cmd = NULL; + + if (asprintf(&cmd, "%s%s", file, verbose ? " -v" : "") < 0) + return TEST_FAIL; + err = system(cmd); + free(cmd); + if (!err) + return TEST_OK; + + return WEXITSTATUS(err) == 2 ? TEST_SKIP : TEST_FAIL; +} + +static void append_script(int dir_fd, const char *name, char *desc, + struct test_suite ***result, + size_t *result_sz) +{ + char filename[PATH_MAX], link[128]; + struct test_suite *test_suite, **result_tmp; + struct test_case *tests; + ssize_t len; + char *exclusive; + + snprintf(link, sizeof(link), "/proc/%d/fd/%d", getpid(), dir_fd); + len = readlink(link, filename, sizeof(filename)); + if (len < 0) { + pr_err("Failed to readlink %s", link); + return; + } + filename[len++] = '/'; + strcpy(&filename[len], name); + + tests = calloc(2, sizeof(*tests)); + if (!tests) { + pr_err("Out of memory while building script test suite list\n"); + return; + } + tests[0].name = strdup_check(name); + exclusive = strstr(desc, " (exclusive)"); + if (exclusive != NULL) { + tests[0].exclusive = true; + exclusive[0] = '\0'; + } + tests[0].desc = strdup_check(desc); + tests[0].run_case = shell_test__run; + test_suite = zalloc(sizeof(*test_suite)); + if (!test_suite) { + pr_err("Out of memory while building script test suite list\n"); + free(tests); + return; + } + test_suite->desc = desc; + test_suite->test_cases = tests; + test_suite->priv = strdup_check(filename); + /* Realloc is good enough, though we could realloc by chunks, not that + * anyone will ever measure performance here */ + result_tmp = realloc(*result, (*result_sz + 1) * sizeof(*result_tmp)); + if (result_tmp == NULL) { + pr_err("Out of memory while building script test suite list\n"); + free(tests); + free(test_suite); + return; + } + /* Add file to end and NULL terminate the struct array */ + *result = result_tmp; + (*result)[*result_sz] = test_suite; + (*result_sz)++; +} + +static void append_scripts_in_dir(int dir_fd, + struct test_suite ***result, + size_t *result_sz) +{ + struct dirent **entlist; + struct dirent *ent; + int n_dirs, i; + + /* List files, sorted by alpha */ + n_dirs = scandirat(dir_fd, ".", &entlist, NULL, alphasort); + if (n_dirs == -1) + return; + for (i = 0; i < n_dirs && (ent = entlist[i]); i++) { + int fd; + + if (ent->d_name[0] == '.') + continue; /* Skip hidden files */ + if (is_test_script(dir_fd, ent->d_name)) { /* It's a test */ + char *desc = shell_test__description(dir_fd, ent->d_name); + + if (desc) /* It has a desc line - valid script */ + append_script(dir_fd, ent->d_name, desc, result, result_sz); + continue; + } + if (ent->d_type != DT_DIR) { + struct stat st; + + if (ent->d_type != DT_UNKNOWN) + continue; + fstatat(dir_fd, ent->d_name, &st, 0); + if (!S_ISDIR(st.st_mode)) + continue; + } + if (strncmp(ent->d_name, "base_", 5) == 0) + continue; /* Skip scripts that have a separate driver. */ + fd = openat(dir_fd, ent->d_name, O_PATH); + append_scripts_in_dir(fd, result, result_sz); + close(fd); + } + for (i = 0; i < n_dirs; i++) /* Clean up */ + zfree(&entlist[i]); + free(entlist); +} + +struct test_suite **create_script_test_suites(void) +{ + struct test_suite **result = NULL, **result_tmp; + size_t result_sz = 0; + int dir_fd = shell_tests__dir_fd(); /* Walk dir */ + + /* + * Append scripts if fd is good, otherwise return a NULL terminated zero + * length array. + */ + if (dir_fd >= 0) + append_scripts_in_dir(dir_fd, &result, &result_sz); + + result_tmp = realloc(result, (result_sz + 1) * sizeof(*result_tmp)); + if (result_tmp == NULL) { + pr_err("Out of memory while building script test suite list\n"); + abort(); + } + /* NULL terminate the test suite array. */ + result = result_tmp; + result[result_sz] = NULL; + if (dir_fd >= 0) + close(dir_fd); + return result; +} diff --git a/tools/perf/tests/tests-scripts.h b/tools/perf/tests/tests-scripts.h new file mode 100644 index 000000000000..b553ad26ea17 --- /dev/null +++ b/tools/perf/tests/tests-scripts.h @@ -0,0 +1,9 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef TESTS_SCRIPTS_H +#define TESTS_SCRIPTS_H + +#include "tests.h" + +struct test_suite **create_script_test_suites(void); + +#endif /* TESTS_SCRIPTS_H */ diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index fb4b5ad4dd0f..cb67ddbd0375 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -3,12 +3,19 @@ #define TESTS_H #include <stdbool.h> +#include "util/debug.h" + +enum { + TEST_OK = 0, + TEST_FAIL = -1, + TEST_SKIP = -2, +}; #define TEST_ASSERT_VAL(text, cond) \ do { \ if (!(cond)) { \ pr_debug("FAILED %s:%d %s\n", __FILE__, __LINE__, text); \ - return -1; \ + return TEST_FAIL; \ } \ } while (0) @@ -17,16 +24,10 @@ do { \ if (val != expected) { \ pr_debug("FAILED %s:%d %s (%d != %d)\n", \ __FILE__, __LINE__, text, val, expected); \ - return -1; \ + return TEST_FAIL; \ } \ } while (0) -enum { - TEST_OK = 0, - TEST_FAIL = -1, - TEST_SKIP = -2, -}; - struct test_suite; typedef int (*test_fnptr)(struct test_suite *, int); @@ -36,6 +37,7 @@ struct test_case { const char *desc; const char *skip_reason; test_fnptr run_case; + bool exclusive; }; struct test_suite { @@ -62,6 +64,23 @@ struct test_suite { .skip_reason = _reason, \ } +#define TEST_CASE_EXCLUSIVE(description, _name) \ + { \ + .name = #_name, \ + .desc = description, \ + .run_case = test__##_name, \ + .exclusive = true, \ + } + +#define TEST_CASE_REASON_EXCLUSIVE(description, _name, _reason) \ + { \ + .name = #_name, \ + .desc = description, \ + .run_case = test__##_name, \ + .skip_reason = _reason, \ + .exclusive = true, \ + } + #define DEFINE_SUITE(description, _name) \ struct test_case tests__##_name[] = { \ TEST_CASE(description, _name), \ @@ -72,6 +91,16 @@ struct test_suite { .test_cases = tests__##_name, \ } +#define DEFINE_SUITE_EXCLUSIVE(description, _name) \ + struct test_case tests__##_name[] = { \ + TEST_CASE_EXCLUSIVE(description, _name),\ + { .name = NULL, } \ + }; \ + struct test_suite suite__##_name = { \ + .desc = description, \ + .test_cases = tests__##_name, \ + } + /* Tests */ DECLARE_SUITE(vmlinux_matches_kallsyms); DECLARE_SUITE(openat_syscall_event); @@ -83,13 +112,14 @@ DECLARE_SUITE(perf_evsel__tp_sched_test); DECLARE_SUITE(syscall_openat_tp_fields); DECLARE_SUITE(pmu); DECLARE_SUITE(pmu_events); +DECLARE_SUITE(hwmon_pmu); +DECLARE_SUITE(tool_pmu); DECLARE_SUITE(attr); DECLARE_SUITE(dso_data); DECLARE_SUITE(dso_data_cache); DECLARE_SUITE(dso_data_reopen); DECLARE_SUITE(parse_events); DECLARE_SUITE(hists_link); -DECLARE_SUITE(python_use); DECLARE_SUITE(bp_signal); DECLARE_SUITE(bp_signal_overflow); DECLARE_SUITE(bp_accounting); @@ -113,33 +143,30 @@ DECLARE_SUITE(fdarray__filter); DECLARE_SUITE(fdarray__add); DECLARE_SUITE(kmod_path__parse); DECLARE_SUITE(thread_map); -DECLARE_SUITE(llvm); DECLARE_SUITE(bpf); DECLARE_SUITE(session_topology); DECLARE_SUITE(thread_map_synthesize); DECLARE_SUITE(thread_map_remove); -DECLARE_SUITE(cpu_map_synthesize); +DECLARE_SUITE(cpu_map); DECLARE_SUITE(synthesize_stat_config); DECLARE_SUITE(synthesize_stat); DECLARE_SUITE(synthesize_stat_round); DECLARE_SUITE(event_update); DECLARE_SUITE(event_times); DECLARE_SUITE(backward_ring_buffer); -DECLARE_SUITE(cpu_map_print); -DECLARE_SUITE(cpu_map_merge); DECLARE_SUITE(sdt_event); DECLARE_SUITE(is_printable_array); DECLARE_SUITE(bitmap_print); DECLARE_SUITE(perf_hooks); -DECLARE_SUITE(clang); DECLARE_SUITE(unit_number__scnprint); DECLARE_SUITE(mem2node); -DECLARE_SUITE(maps__merge_in); +DECLARE_SUITE(maps); DECLARE_SUITE(time_utils); DECLARE_SUITE(jit_write_elf); DECLARE_SUITE(api_io); DECLARE_SUITE(demangle_java); DECLARE_SUITE(demangle_ocaml); +DECLARE_SUITE(demangle_rust); DECLARE_SUITE(pfm); DECLARE_SUITE(parse_metric); DECLARE_SUITE(pe_file_parsing); @@ -148,6 +175,10 @@ DECLARE_SUITE(perf_time_to_tsc); DECLARE_SUITE(dlfilter); DECLARE_SUITE(sigtrap); DECLARE_SUITE(event_groups); +DECLARE_SUITE(symbols); +DECLARE_SUITE(util); +DECLARE_SUITE(subcmd_help); +DECLARE_SUITE(kallsyms_split); /* * PowerPC and S390 do not support creation of instruction breakpoints using the @@ -207,5 +238,10 @@ DECLARE_WORKLOAD(leafloop); DECLARE_WORKLOAD(sqrtloop); DECLARE_WORKLOAD(brstack); DECLARE_WORKLOAD(datasym); +DECLARE_WORKLOAD(landlock); +DECLARE_WORKLOAD(traploop); + +extern const char *dso_to_test; +extern const char *test_objdump_path; #endif /* TESTS_H */ diff --git a/tools/perf/tests/thread-map.c b/tools/perf/tests/thread-map.c index 74308c1368fe..54209592168d 100644 --- a/tools/perf/tests/thread-map.c +++ b/tools/perf/tests/thread-map.c @@ -60,7 +60,7 @@ static int test__thread_map(struct test_suite *test __maybe_unused, int subtest return 0; } -static int process_event(struct perf_tool *tool __maybe_unused, +static int process_event(const struct perf_tool *tool __maybe_unused, union perf_event *event, struct perf_sample *sample __maybe_unused, struct machine *machine __maybe_unused) @@ -115,7 +115,7 @@ static int test__thread_map_remove(struct test_suite *test __maybe_unused, int s TEST_ASSERT_VAL("failed to allocate map string", asprintf(&str, "%d,%d", getpid(), getppid()) >= 0); - threads = thread_map__new_str(str, NULL, 0, false); + threads = thread_map__new_str(str, /*tid=*/NULL, /*all_threads=*/false); free(str); TEST_ASSERT_VAL("failed to allocate thread_map", diff --git a/tools/perf/tests/thread-maps-share.c b/tools/perf/tests/thread-maps-share.c index 84edd82c519e..e9ecd30a5c05 100644 --- a/tools/perf/tests/thread-maps-share.c +++ b/tools/perf/tests/thread-maps-share.c @@ -42,13 +42,13 @@ static int test__thread_maps_share(struct test_suite *test __maybe_unused, int s TEST_ASSERT_VAL("failed to create threads", leader && t1 && t2 && t3 && other); - maps = leader->maps; - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&maps->refcnt), 4); + maps = thread__maps(leader); + TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(maps__refcnt(maps)), 4); /* test the maps pointer is shared */ - TEST_ASSERT_VAL("maps don't match", maps == t1->maps); - TEST_ASSERT_VAL("maps don't match", maps == t2->maps); - TEST_ASSERT_VAL("maps don't match", maps == t3->maps); + TEST_ASSERT_VAL("maps don't match", maps__equal(maps, thread__maps(t1))); + TEST_ASSERT_VAL("maps don't match", maps__equal(maps, thread__maps(t2))); + TEST_ASSERT_VAL("maps don't match", maps__equal(maps, thread__maps(t3))); /* * Verify the other leader was created by previous call. @@ -70,26 +70,26 @@ static int test__thread_maps_share(struct test_suite *test __maybe_unused, int s machine__remove_thread(machine, other); machine__remove_thread(machine, other_leader); - other_maps = other->maps; - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&other_maps->refcnt), 2); + other_maps = thread__maps(other); + TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(maps__refcnt(other_maps)), 2); - TEST_ASSERT_VAL("maps don't match", other_maps == other_leader->maps); + TEST_ASSERT_VAL("maps don't match", maps__equal(other_maps, thread__maps(other_leader))); /* release thread group */ - thread__put(leader); - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&maps->refcnt), 3); - - thread__put(t1); - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&maps->refcnt), 2); + thread__put(t3); + TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(maps__refcnt(maps)), 3); thread__put(t2); - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&maps->refcnt), 1); + TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(maps__refcnt(maps)), 2); - thread__put(t3); + thread__put(t1); + TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(maps__refcnt(maps)), 1); + + thread__put(leader); /* release other group */ thread__put(other_leader); - TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&other_maps->refcnt), 1); + TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(maps__refcnt(other_maps)), 1); thread__put(other); diff --git a/tools/perf/tests/tool_pmu.c b/tools/perf/tests/tool_pmu.c new file mode 100644 index 000000000000..1e900ef92e37 --- /dev/null +++ b/tools/perf/tests/tool_pmu.c @@ -0,0 +1,111 @@ +// SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) +#include "debug.h" +#include "evlist.h" +#include "parse-events.h" +#include "tests.h" +#include "tool_pmu.h" + +static int do_test(enum tool_pmu_event ev, bool with_pmu) +{ + struct evlist *evlist = evlist__new(); + struct evsel *evsel; + struct parse_events_error err; + int ret; + char str[128]; + bool found = false; + + if (!evlist) { + pr_err("evlist allocation failed\n"); + return TEST_FAIL; + } + + if (with_pmu) + snprintf(str, sizeof(str), "tool/%s/", tool_pmu__event_to_str(ev)); + else + snprintf(str, sizeof(str), "%s", tool_pmu__event_to_str(ev)); + + parse_events_error__init(&err); + ret = parse_events(evlist, str, &err); + if (ret) { + if (!tool_pmu__event_to_str(ev)) { + ret = TEST_OK; + goto out; + } + + pr_debug("FAILED %s:%d failed to parse event '%s', err %d\n", + __FILE__, __LINE__, str, ret); + parse_events_error__print(&err, str); + ret = TEST_FAIL; + goto out; + } + + ret = TEST_OK; + if (with_pmu ? (evlist->core.nr_entries != 1) : (evlist->core.nr_entries < 1)) { + pr_debug("FAILED %s:%d Unexpected number of events for '%s' of %d\n", + __FILE__, __LINE__, str, evlist->core.nr_entries); + ret = TEST_FAIL; + goto out; + } + + evlist__for_each_entry(evlist, evsel) { + if (perf_pmu__is_tool(evsel->pmu)) { + if (evsel->core.attr.config != ev) { + pr_debug("FAILED %s:%d Unexpected config for '%s', %lld != %d\n", + __FILE__, __LINE__, str, evsel->core.attr.config, ev); + ret = TEST_FAIL; + goto out; + } + found = true; + } + } + + if (!found && tool_pmu__event_to_str(ev)) { + pr_debug("FAILED %s:%d Didn't find tool event '%s' in parsed evsels\n", + __FILE__, __LINE__, str); + ret = TEST_FAIL; + } + +out: + parse_events_error__exit(&err); + evlist__delete(evlist); + return ret; +} + +static int test__tool_pmu_without_pmu(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + int i; + + tool_pmu__for_each_event(i) { + int ret = do_test(i, /*with_pmu=*/false); + + if (ret != TEST_OK) + return ret; + } + return TEST_OK; +} + +static int test__tool_pmu_with_pmu(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + int i; + + tool_pmu__for_each_event(i) { + int ret = do_test(i, /*with_pmu=*/true); + + if (ret != TEST_OK) + return ret; + } + return TEST_OK; +} + +static struct test_case tests__tool_pmu[] = { + TEST_CASE("Parsing without PMU name", tool_pmu_without_pmu), + TEST_CASE("Parsing with PMU name", tool_pmu_with_pmu), + { .name = NULL, } +}; + +struct test_suite suite__tool_pmu = { + .desc = "Tool PMU", + .test_cases = tests__tool_pmu, +}; diff --git a/tools/perf/tests/topology.c b/tools/perf/tests/topology.c index c4630cfc80ea..ec01150d208d 100644 --- a/tools/perf/tests/topology.c +++ b/tools/perf/tests/topology.c @@ -8,7 +8,7 @@ #include "session.h" #include "evlist.h" #include "debug.h" -#include "pmu.h" +#include "pmus.h" #include <linux/err.h> #define TEMPL "/tmp/perf-test-XXXXXX" @@ -41,18 +41,9 @@ static int session_write_header(char *path) session = perf_session__new(&data, NULL); TEST_ASSERT_VAL("can't get session", !IS_ERR(session)); - if (!perf_pmu__has_hybrid()) { - session->evlist = evlist__new_default(); - TEST_ASSERT_VAL("can't get evlist", session->evlist); - } else { - struct parse_events_error err; - - session->evlist = evlist__new(); - TEST_ASSERT_VAL("can't get evlist", session->evlist); - parse_events_error__init(&err); - parse_events(session->evlist, "cpu_core/cycles/", &err); - parse_events_error__exit(&err); - } + session->evlist = evlist__new_default(); + TEST_ASSERT_VAL("can't get evlist", session->evlist); + session->evlist->session = session; perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY); perf_header__set_feat(&session->header, HEADER_NRCPUS); @@ -78,9 +69,12 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map) }; int i; struct aggr_cpu_id id; + struct perf_cpu cpu; + struct perf_env *env; session = perf_session__new(&data, NULL); TEST_ASSERT_VAL("can't get session", !IS_ERR(session)); + env = perf_session__env(session); cpu__setup_cpunode_map(); /* On platforms with large numbers of CPUs process_cpu_topology() @@ -104,9 +98,7 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map) * condition is true (see do_core_id_test in header.c). So always * run this test on those platforms. */ - if (!session->header.env.cpu - && strncmp(session->header.env.arch, "s390", 4) - && strncmp(session->header.env.arch, "aarch64", 7)) + if (!env->cpu && strncmp(env->arch, "s390", 4) && strncmp(env->arch, "aarch64", 7)) return TEST_SKIP; /* @@ -115,66 +107,62 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map) * physical_package_id will be set to -1. Hence skip this * test if physical_package_id returns -1 for cpu from perf_cpu_map. */ - if (!strncmp(session->header.env.arch, "ppc64le", 7)) { + if (!strncmp(env->arch, "ppc64le", 7)) { if (cpu__get_socket_id(perf_cpu_map__cpu(map, 0)) == -1) return TEST_SKIP; } - TEST_ASSERT_VAL("Session header CPU map not set", session->header.env.cpu); - - for (i = 0; i < session->header.env.nr_cpus_avail; i++) { - struct perf_cpu cpu = { .cpu = i }; + TEST_ASSERT_VAL("Session header CPU map not set", env->cpu); + for (i = 0; i < env->nr_cpus_avail; i++) { + cpu.cpu = i; if (!perf_cpu_map__has(map, cpu)) continue; pr_debug("CPU %d, core %d, socket %d\n", i, - session->header.env.cpu[i].core_id, - session->header.env.cpu[i].socket_id); + env->cpu[i].core_id, + env->cpu[i].socket_id); } // Test that CPU ID contains socket, die, core and CPU - for (i = 0; i < perf_cpu_map__nr(map); i++) { - id = aggr_cpu_id__cpu(perf_cpu_map__cpu(map, i), NULL); + perf_cpu_map__for_each_cpu(cpu, i, map) { + id = aggr_cpu_id__cpu(cpu, NULL); TEST_ASSERT_VAL("Cpu map - CPU ID doesn't match", - perf_cpu_map__cpu(map, i).cpu == id.cpu.cpu); + cpu.cpu == id.cpu.cpu); TEST_ASSERT_VAL("Cpu map - Core ID doesn't match", - session->header.env.cpu[perf_cpu_map__cpu(map, i).cpu].core_id == id.core); + env->cpu[cpu.cpu].core_id == id.core); TEST_ASSERT_VAL("Cpu map - Socket ID doesn't match", - session->header.env.cpu[perf_cpu_map__cpu(map, i).cpu].socket_id == - id.socket); + env->cpu[cpu.cpu].socket_id == id.socket); TEST_ASSERT_VAL("Cpu map - Die ID doesn't match", - session->header.env.cpu[perf_cpu_map__cpu(map, i).cpu].die_id == id.die); + env->cpu[cpu.cpu].die_id == id.die); TEST_ASSERT_VAL("Cpu map - Node ID is set", id.node == -1); TEST_ASSERT_VAL("Cpu map - Thread IDX is set", id.thread_idx == -1); } // Test that core ID contains socket, die and core - for (i = 0; i < perf_cpu_map__nr(map); i++) { - id = aggr_cpu_id__core(perf_cpu_map__cpu(map, i), NULL); + perf_cpu_map__for_each_cpu(cpu, i, map) { + id = aggr_cpu_id__core(cpu, NULL); TEST_ASSERT_VAL("Core map - Core ID doesn't match", - session->header.env.cpu[perf_cpu_map__cpu(map, i).cpu].core_id == id.core); + env->cpu[cpu.cpu].core_id == id.core); TEST_ASSERT_VAL("Core map - Socket ID doesn't match", - session->header.env.cpu[perf_cpu_map__cpu(map, i).cpu].socket_id == - id.socket); + env->cpu[cpu.cpu].socket_id == id.socket); TEST_ASSERT_VAL("Core map - Die ID doesn't match", - session->header.env.cpu[perf_cpu_map__cpu(map, i).cpu].die_id == id.die); + env->cpu[cpu.cpu].die_id == id.die); TEST_ASSERT_VAL("Core map - Node ID is set", id.node == -1); TEST_ASSERT_VAL("Core map - Thread IDX is set", id.thread_idx == -1); } // Test that die ID contains socket and die - for (i = 0; i < perf_cpu_map__nr(map); i++) { - id = aggr_cpu_id__die(perf_cpu_map__cpu(map, i), NULL); + perf_cpu_map__for_each_cpu(cpu, i, map) { + id = aggr_cpu_id__die(cpu, NULL); TEST_ASSERT_VAL("Die map - Socket ID doesn't match", - session->header.env.cpu[perf_cpu_map__cpu(map, i).cpu].socket_id == - id.socket); + env->cpu[cpu.cpu].socket_id == id.socket); TEST_ASSERT_VAL("Die map - Die ID doesn't match", - session->header.env.cpu[perf_cpu_map__cpu(map, i).cpu].die_id == id.die); + env->cpu[cpu.cpu].die_id == id.die); TEST_ASSERT_VAL("Die map - Node ID is set", id.node == -1); TEST_ASSERT_VAL("Die map - Core is set", id.core == -1); @@ -183,11 +171,10 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map) } // Test that socket ID contains only socket - for (i = 0; i < perf_cpu_map__nr(map); i++) { - id = aggr_cpu_id__socket(perf_cpu_map__cpu(map, i), NULL); + perf_cpu_map__for_each_cpu(cpu, i, map) { + id = aggr_cpu_id__socket(cpu, NULL); TEST_ASSERT_VAL("Socket map - Socket ID doesn't match", - session->header.env.cpu[perf_cpu_map__cpu(map, i).cpu].socket_id == - id.socket); + env->cpu[cpu.cpu].socket_id == id.socket); TEST_ASSERT_VAL("Socket map - Node ID is set", id.node == -1); TEST_ASSERT_VAL("Socket map - Die ID is set", id.die == -1); @@ -197,10 +184,10 @@ static int check_cpu_topology(char *path, struct perf_cpu_map *map) } // Test that node ID contains only node - for (i = 0; i < perf_cpu_map__nr(map); i++) { - id = aggr_cpu_id__node(perf_cpu_map__cpu(map, i), NULL); + perf_cpu_map__for_each_cpu(cpu, i, map) { + id = aggr_cpu_id__node(cpu, NULL); TEST_ASSERT_VAL("Node map - Node ID doesn't match", - cpu__get_node(perf_cpu_map__cpu(map, i)) == id.node); + cpu__get_node(cpu) == id.node); TEST_ASSERT_VAL("Node map - Socket is set", id.socket == -1); TEST_ASSERT_VAL("Node map - Die ID is set", id.die == -1); TEST_ASSERT_VAL("Node map - Core is set", id.core == -1); @@ -225,7 +212,7 @@ static int test__session_topology(struct test_suite *test __maybe_unused, int su if (session_write_header(path)) goto free_path; - map = perf_cpu_map__new(NULL); + map = perf_cpu_map__new_online_cpus(); if (map == NULL) { pr_debug("failed to get system cpumap\n"); goto free_path; diff --git a/tools/perf/tests/util.c b/tools/perf/tests/util.c new file mode 100644 index 000000000000..b273d287e164 --- /dev/null +++ b/tools/perf/tests/util.c @@ -0,0 +1,74 @@ +// SPDX-License-Identifier: GPL-2.0 +#include "tests.h" +#include "util/debug.h" +#include "util/sha1.h" + +#include <linux/compiler.h> +#include <stdlib.h> +#include <string2.h> + +static int test_strreplace(char needle, const char *haystack, + const char *replace, const char *expected) +{ + char *new = strreplace_chars(needle, haystack, replace); + int ret = strcmp(new, expected); + + free(new); + return ret == 0; +} + +#define MAX_LEN 512 + +/* Test sha1() for all lengths from 0 to MAX_LEN inclusively. */ +static int test_sha1(void) +{ + u8 data[MAX_LEN]; + size_t digests_size = (MAX_LEN + 1) * SHA1_DIGEST_SIZE; + u8 *digests; + u8 digest_of_digests[SHA1_DIGEST_SIZE]; + /* + * The correctness of this value was verified by running this test with + * sha1() replaced by OpenSSL's SHA1(). + */ + static const u8 expected_digest_of_digests[SHA1_DIGEST_SIZE] = { + 0x74, 0xcd, 0x4c, 0xb9, 0xd8, 0xa6, 0xd5, 0x95, 0x22, 0x8b, + 0x7e, 0xd6, 0x8b, 0x7e, 0x46, 0x95, 0x31, 0x9b, 0xa2, 0x43, + }; + size_t i; + + digests = malloc(digests_size); + TEST_ASSERT_VAL("failed to allocate digests", digests != NULL); + + /* Generate MAX_LEN bytes of data. */ + for (i = 0; i < MAX_LEN; i++) + data[i] = i; + + /* Calculate a SHA-1 for each length 0 through MAX_LEN inclusively. */ + for (i = 0; i <= MAX_LEN; i++) + sha1(data, i, &digests[i * SHA1_DIGEST_SIZE]); + + /* Calculate digest of all digests calculated above. */ + sha1(digests, digests_size, digest_of_digests); + + free(digests); + + /* Check for the expected result. */ + TEST_ASSERT_VAL("wrong output from sha1()", + memcmp(digest_of_digests, expected_digest_of_digests, + SHA1_DIGEST_SIZE) == 0); + return 0; +} + +static int test__util(struct test_suite *t __maybe_unused, int subtest __maybe_unused) +{ + TEST_ASSERT_VAL("empty string", test_strreplace(' ', "", "123", "")); + TEST_ASSERT_VAL("no match", test_strreplace('5', "123", "4", "123")); + TEST_ASSERT_VAL("replace 1", test_strreplace('3', "123", "4", "124")); + TEST_ASSERT_VAL("replace 2", test_strreplace('a', "abcabc", "ef", "efbcefbc")); + TEST_ASSERT_VAL("replace long", test_strreplace('a', "abcabc", "longlong", + "longlongbclonglongbc")); + + return test_sha1(); +} + +DEFINE_SUITE("util", util); diff --git a/tools/perf/tests/vmlinux-kallsyms.c b/tools/perf/tests/vmlinux-kallsyms.c index 8ab035b55875..74cdbd2ce9d0 100644 --- a/tools/perf/tests/vmlinux-kallsyms.c +++ b/tools/perf/tests/vmlinux-kallsyms.c @@ -13,7 +13,7 @@ #include "debug.h" #include "machine.h" -#define UM(x) kallsyms_map->unmap_ip(kallsyms_map, (x)) +#define UM(x) map__unmap_ip(kallsyms_map, (x)) static bool is_ignored_symbol(const char *name, char type) { @@ -26,7 +26,6 @@ static bool is_ignored_symbol(const char *name, char type) * when --all-symbols is specified so exclude them to get a * stable symbol list. */ - "kallsyms_addresses", "kallsyms_offsets", "kallsyms_relative_base", "kallsyms_num_syms", @@ -112,17 +111,92 @@ static bool is_ignored_symbol(const char *name, char type) return false; } +struct test__vmlinux_matches_kallsyms_cb_args { + struct machine kallsyms; + struct map *vmlinux_map; + bool header_printed; +}; + +static int test__vmlinux_matches_kallsyms_cb1(struct map *map, void *data) +{ + struct test__vmlinux_matches_kallsyms_cb_args *args = data; + struct dso *dso = map__dso(map); + /* + * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while + * the kernel will have the path for the vmlinux file being used, so use + * the short name, less descriptive but the same ("[kernel]" in both + * cases. + */ + struct map *pair = maps__find_by_name(args->kallsyms.kmaps, + (dso__kernel(dso) ? dso__short_name(dso) : dso__name(dso))); + + if (pair) { + map__set_priv(pair); + map__put(pair); + } else { + if (!args->header_printed) { + pr_info("WARN: Maps only in vmlinux:\n"); + args->header_printed = true; + } + map__fprintf(map, stderr); + } + return 0; +} + +static int test__vmlinux_matches_kallsyms_cb2(struct map *map, void *data) +{ + struct test__vmlinux_matches_kallsyms_cb_args *args = data; + struct map *pair; + u64 mem_start = map__unmap_ip(args->vmlinux_map, map__start(map)); + u64 mem_end = map__unmap_ip(args->vmlinux_map, map__end(map)); + + pair = maps__find(args->kallsyms.kmaps, mem_start); + + if (pair != NULL && !map__priv(pair) && map__start(pair) == mem_start) { + struct dso *dso = map__dso(map); + + if (!args->header_printed) { + pr_info("WARN: Maps in vmlinux with a different name in kallsyms:\n"); + args->header_printed = true; + } + + pr_info("WARN: %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as", + map__start(map), map__end(map), map__pgoff(map), dso__name(dso)); + if (mem_end != map__end(pair)) + pr_info(":\nWARN: *%" PRIx64 "-%" PRIx64 " %" PRIx64, + map__start(pair), map__end(pair), map__pgoff(pair)); + pr_info(" %s\n", dso__name(dso)); + map__set_priv(pair); + } + map__put(pair); + return 0; +} + +static int test__vmlinux_matches_kallsyms_cb3(struct map *map, void *data) +{ + struct test__vmlinux_matches_kallsyms_cb_args *args = data; + + if (!map__priv(map)) { + if (!args->header_printed) { + pr_info("WARN: Maps only in kallsyms:\n"); + args->header_printed = true; + } + map__fprintf(map, stderr); + } + return 0; +} + static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused, int subtest __maybe_unused) { int err = TEST_FAIL; struct rb_node *nd; struct symbol *sym; - struct map *kallsyms_map, *vmlinux_map, *map; - struct machine kallsyms, vmlinux; + struct map *kallsyms_map; + struct machine vmlinux; struct maps *maps; u64 mem_start, mem_end; - bool header_printed; + struct test__vmlinux_matches_kallsyms_cb_args args; /* * Step 1: @@ -130,7 +204,7 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused * Init the machines that will hold kernel, modules obtained from * both vmlinux + .ko files and from /proc/kallsyms split by modules. */ - machine__init(&kallsyms, "", HOST_KERNEL_ID); + machine__init(&args.kallsyms, "", HOST_KERNEL_ID); machine__init(&vmlinux, "", HOST_KERNEL_ID); maps = machine__kernel_maps(&vmlinux); @@ -142,7 +216,7 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused * load /proc/kallsyms. Also create the modules maps from /proc/modules * and find the .ko files that match them in /lib/modules/`uname -r`/. */ - if (machine__create_kernel_maps(&kallsyms) < 0) { + if (machine__create_kernel_maps(&args.kallsyms) < 0) { pr_debug("machine__create_kernel_maps failed"); err = TEST_SKIP; goto out; @@ -159,7 +233,7 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused * be compacted against the list of modules found in the "vmlinux" * code and with the one got from /proc/modules from the "kallsyms" code. */ - if (machine__load_kallsyms(&kallsyms, "/proc/kallsyms") <= 0) { + if (machine__load_kallsyms(&args.kallsyms, "/proc/kallsyms") <= 0) { pr_debug("machine__load_kallsyms failed"); err = TEST_SKIP; goto out; @@ -173,7 +247,7 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused * to see if the running kernel was relocated by checking if it has the * same value in the vmlinux file we load. */ - kallsyms_map = machine__kernel_map(&kallsyms); + kallsyms_map = machine__kernel_map(&args.kallsyms); /* * Step 5: @@ -185,7 +259,7 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused goto out; } - vmlinux_map = machine__kernel_map(&vmlinux); + args.vmlinux_map = machine__kernel_map(&vmlinux); /* * Step 6: @@ -212,7 +286,7 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused * in the kallsyms dso. For the ones that are in both, check its names and * end addresses too. */ - map__for_each_symbol(vmlinux_map, sym, nd) { + map__for_each_symbol(args.vmlinux_map, sym, nd) { struct symbol *pair, *first_pair; sym = rb_entry(nd, struct symbol, rb_node); @@ -220,10 +294,10 @@ static int test__vmlinux_matches_kallsyms(struct test_suite *test __maybe_unused if (sym->start == sym->end) continue; - mem_start = vmlinux_map->unmap_ip(vmlinux_map, sym->start); - mem_end = vmlinux_map->unmap_ip(vmlinux_map, sym->end); + mem_start = map__unmap_ip(args.vmlinux_map, sym->start); + mem_end = map__unmap_ip(args.vmlinux_map, sym->end); - first_pair = machine__find_kernel_symbol(&kallsyms, mem_start, NULL); + first_pair = machine__find_kernel_symbol(&args.kallsyms, mem_start, NULL); pair = first_pair; if (pair && UM(pair->start) == mem_start) { @@ -252,7 +326,8 @@ next_pair: */ continue; } else { - pair = machine__find_kernel_symbol_by_name(&kallsyms, sym->name, NULL); + pair = machine__find_kernel_symbol_by_name(&args.kallsyms, + sym->name, NULL); if (pair) { if (UM(pair->start) == mem_start) goto next_pair; @@ -266,7 +341,7 @@ next_pair: continue; } - } else if (mem_start == kallsyms.vmlinux_map->end) { + } else if (mem_start == map__end(args.kallsyms.vmlinux_map)) { /* * Ignore aliases to _etext, i.e. to the end of the kernel text area, * such as __indirect_thunk_end. @@ -288,73 +363,18 @@ next_pair: if (verbose <= 0) goto out; - header_printed = false; - - maps__for_each_entry(maps, map) { - struct map * - /* - * If it is the kernel, kallsyms is always "[kernel.kallsyms]", while - * the kernel will have the path for the vmlinux file being used, - * so use the short name, less descriptive but the same ("[kernel]" in - * both cases. - */ - pair = maps__find_by_name(kallsyms.kmaps, (map->dso->kernel ? - map->dso->short_name : - map->dso->name)); - if (pair) { - pair->priv = 1; - } else { - if (!header_printed) { - pr_info("WARN: Maps only in vmlinux:\n"); - header_printed = true; - } - map__fprintf(map, stderr); - } - } - - header_printed = false; - - maps__for_each_entry(maps, map) { - struct map *pair; + args.header_printed = false; + maps__for_each_map(maps, test__vmlinux_matches_kallsyms_cb1, &args); - mem_start = vmlinux_map->unmap_ip(vmlinux_map, map->start); - mem_end = vmlinux_map->unmap_ip(vmlinux_map, map->end); + args.header_printed = false; + maps__for_each_map(maps, test__vmlinux_matches_kallsyms_cb2, &args); - pair = maps__find(kallsyms.kmaps, mem_start); - if (pair == NULL || pair->priv) - continue; - - if (pair->start == mem_start) { - if (!header_printed) { - pr_info("WARN: Maps in vmlinux with a different name in kallsyms:\n"); - header_printed = true; - } - - pr_info("WARN: %" PRIx64 "-%" PRIx64 " %" PRIx64 " %s in kallsyms as", - map->start, map->end, map->pgoff, map->dso->name); - if (mem_end != pair->end) - pr_info(":\nWARN: *%" PRIx64 "-%" PRIx64 " %" PRIx64, - pair->start, pair->end, pair->pgoff); - pr_info(" %s\n", pair->dso->name); - pair->priv = 1; - } - } + args.header_printed = false; + maps = machine__kernel_maps(&args.kallsyms); + maps__for_each_map(maps, test__vmlinux_matches_kallsyms_cb3, &args); - header_printed = false; - - maps = machine__kernel_maps(&kallsyms); - - maps__for_each_entry(maps, map) { - if (!map->priv) { - if (!header_printed) { - pr_info("WARN: Maps only in kallsyms:\n"); - header_printed = true; - } - map__fprintf(map, stderr); - } - } out: - machine__exit(&kallsyms); + machine__exit(&args.kallsyms); machine__exit(&vmlinux); return err; } diff --git a/tools/perf/tests/workloads/Build b/tools/perf/tests/workloads/Build index a1f34d5861e3..fb1012cc4fc3 100644 --- a/tools/perf/tests/workloads/Build +++ b/tools/perf/tests/workloads/Build @@ -1,13 +1,16 @@ # SPDX-License-Identifier: GPL-2.0 -perf-y += noploop.o -perf-y += thloop.o -perf-y += leafloop.o -perf-y += sqrtloop.o -perf-y += brstack.o -perf-y += datasym.o +perf-test-y += noploop.o +perf-test-y += thloop.o +perf-test-y += leafloop.o +perf-test-y += sqrtloop.o +perf-test-y += brstack.o +perf-test-y += datasym.o +perf-test-y += landlock.o +perf-test-y += traploop.o CFLAGS_sqrtloop.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE CFLAGS_leafloop.o = -g -O0 -fno-inline -fno-omit-frame-pointer -U_FORTIFY_SOURCE CFLAGS_brstack.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE CFLAGS_datasym.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE +CFLAGS_traploop.o = -g -O0 -fno-inline -U_FORTIFY_SOURCE diff --git a/tools/perf/tests/workloads/datasym.c b/tools/perf/tests/workloads/datasym.c index ddd40bc63448..1d0b7d64e1ba 100644 --- a/tools/perf/tests/workloads/datasym.c +++ b/tools/perf/tests/workloads/datasym.c @@ -1,3 +1,6 @@ +#include <stdlib.h> +#include <signal.h> +#include <unistd.h> #include <linux/compiler.h> #include "../tests.h" @@ -7,16 +10,49 @@ typedef struct _buf { char data2; } buf __attribute__((aligned(64))); -static buf buf1 = { +/* volatile to try to avoid the compiler seeing reserved as unused. */ +static volatile buf workload_datasym_buf1 = { /* to have this in the data section */ .reserved[0] = 1, }; -static int datasym(int argc __maybe_unused, const char **argv __maybe_unused) +static volatile sig_atomic_t done; + +static void sighandler(int sig __maybe_unused) +{ + done = 1; +} + +static int datasym(int argc, const char **argv) { - for (;;) { - buf1.data1++; - buf1.data2 += buf1.data1; + int sec = 1; + + if (argc > 0) + sec = atoi(argv[0]); + + signal(SIGINT, sighandler); + signal(SIGALRM, sighandler); + alarm(sec); + + while (!done) { + workload_datasym_buf1.data1++; + if (workload_datasym_buf1.data1 == 123) { + /* + * Add some 'noise' in the loop to work around errata + * 1694299 on Arm N1. + * + * Bias exists in SPE sampling which can cause the load + * and store instructions to be skipped entirely. This + * comes and goes randomly depending on the offset the + * linker places the datasym loop at in the Perf binary. + * With an extra branch in the middle of the loop that + * isn't always taken, the instruction stream is no + * longer a continuous repeating pattern that interacts + * badly with the bias. + */ + workload_datasym_buf1.data1++; + } + workload_datasym_buf1.data2 += workload_datasym_buf1.data1; } return 0; } diff --git a/tools/perf/tests/workloads/landlock.c b/tools/perf/tests/workloads/landlock.c new file mode 100644 index 000000000000..1f285b7b6236 --- /dev/null +++ b/tools/perf/tests/workloads/landlock.c @@ -0,0 +1,66 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <linux/compiler.h> +#include <linux/types.h> +#include <unistd.h> +#include "../tests.h" + +/* This workload was initially added to test enum augmentation with BTF in perf + * trace because its the only syscall that has an enum argument. Since it is + * a recent addition to the Linux kernel (at the time of the introduction of this + * 'perf test' workload) we just add the required types and defines here instead + * of including linux/landlock, that isn't available in older systems. + * + * We are not interested in the result of the syscall, just in intercepting + * its arguments. + */ + +#ifndef __NR_landlock_add_rule +#define __NR_landlock_add_rule 445 +#endif + +#ifndef LANDLOCK_ACCESS_FS_READ_FILE +#define LANDLOCK_ACCESS_FS_READ_FILE (1ULL << 2) + +#define LANDLOCK_RULE_PATH_BENEATH 1 + +struct landlock_path_beneath_attr { + __u64 allowed_access; + __s32 parent_fd; +}; +#endif + +#ifndef LANDLOCK_ACCESS_NET_CONNECT_TCP +#define LANDLOCK_ACCESS_NET_CONNECT_TCP (1ULL << 1) + +#define LANDLOCK_RULE_NET_PORT 2 + +struct landlock_net_port_attr { + __u64 allowed_access; + __u64 port; +}; +#endif + +static int landlock(int argc __maybe_unused, const char **argv __maybe_unused) +{ + int fd = 11, flags = 45; + + struct landlock_path_beneath_attr path_beneath_attr = { + .allowed_access = LANDLOCK_ACCESS_FS_READ_FILE, + .parent_fd = 14, + }; + + struct landlock_net_port_attr net_port_attr = { + .port = 19, + .allowed_access = LANDLOCK_ACCESS_NET_CONNECT_TCP, + }; + + syscall(__NR_landlock_add_rule, fd, LANDLOCK_RULE_PATH_BENEATH, + &path_beneath_attr, flags); + + syscall(__NR_landlock_add_rule, fd, LANDLOCK_RULE_NET_PORT, + &net_port_attr, flags); + + return 0; +} + +DEFINE_WORKLOAD(landlock); diff --git a/tools/perf/tests/workloads/leafloop.c b/tools/perf/tests/workloads/leafloop.c index 1bf5cc97649b..f7561767e32c 100644 --- a/tools/perf/tests/workloads/leafloop.c +++ b/tools/perf/tests/workloads/leafloop.c @@ -1,6 +1,8 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#include <signal.h> #include <stdlib.h> #include <linux/compiler.h> +#include <unistd.h> #include "../tests.h" /* We want to check these symbols in perf script */ @@ -8,10 +10,16 @@ noinline void leaf(volatile int b); noinline void parent(volatile int b); static volatile int a; +static volatile sig_atomic_t done; + +static void sighandler(int sig __maybe_unused) +{ + done = 1; +} noinline void leaf(volatile int b) { - for (;;) + while (!done) a += b; } @@ -22,12 +30,16 @@ noinline void parent(volatile int b) static int leafloop(int argc, const char **argv) { - int c = 1; + int sec = 1; if (argc > 0) - c = atoi(argv[0]); + sec = atoi(argv[0]); + + signal(SIGINT, sighandler); + signal(SIGALRM, sighandler); + alarm(sec); - parent(c); + parent(sec); return 0; } diff --git a/tools/perf/tests/workloads/noploop.c b/tools/perf/tests/workloads/noploop.c index 940ea5910a84..656e472e6188 100644 --- a/tools/perf/tests/workloads/noploop.c +++ b/tools/perf/tests/workloads/noploop.c @@ -1,4 +1,5 @@ /* SPDX-License-Identifier: GPL-2.0 */ +#include <pthread.h> #include <stdlib.h> #include <signal.h> #include <unistd.h> @@ -16,6 +17,7 @@ static int noploop(int argc, const char **argv) { int sec = 1; + pthread_setname_np(pthread_self(), "perf-noploop"); if (argc > 0) sec = atoi(argv[0]); diff --git a/tools/perf/tests/workloads/thloop.c b/tools/perf/tests/workloads/thloop.c index 29193b75717e..bd8168f883fb 100644 --- a/tools/perf/tests/workloads/thloop.c +++ b/tools/perf/tests/workloads/thloop.c @@ -7,7 +7,6 @@ #include "../tests.h" static volatile sig_atomic_t done; -static volatile unsigned count; /* We want to check this symbol in perf report */ noinline void test_loop(void); @@ -19,8 +18,7 @@ static void sighandler(int sig __maybe_unused) noinline void test_loop(void) { - while (!done) - count++; + while (!done); } static void *thfunc(void *arg) @@ -33,21 +31,52 @@ static void *thfunc(void *arg) static int thloop(int argc, const char **argv) { - int sec = 1; - pthread_t th; + int nt = 2, sec = 1, err = 1; + pthread_t *thread_list = NULL; if (argc > 0) sec = atoi(argv[0]); + if (sec <= 0) { + fprintf(stderr, "Error: seconds (%d) must be >= 1\n", sec); + return 1; + } + + if (argc > 1) + nt = atoi(argv[1]); + + if (nt <= 0) { + fprintf(stderr, "Error: thread count (%d) must be >= 1\n", nt); + return 1; + } + signal(SIGINT, sighandler); signal(SIGALRM, sighandler); - alarm(sec); - pthread_create(&th, NULL, thfunc, test_loop); - test_loop(); - pthread_join(th, NULL); + thread_list = calloc(nt, sizeof(pthread_t)); + if (thread_list == NULL) { + fprintf(stderr, "Error: malloc failed for %d threads\n", nt); + goto out; + } + for (int i = 1; i < nt; i++) { + int ret = pthread_create(&thread_list[i], NULL, thfunc, test_loop); - return 0; + if (ret) { + fprintf(stderr, "Error: failed to create thread %d\n", i); + done = 1; // Ensure started threads terminate. + goto out; + } + } + alarm(sec); + test_loop(); + err = 0; +out: + for (int i = 1; i < nt; i++) { + if (thread_list && thread_list[i]) + pthread_join(thread_list[i], /*retval=*/NULL); + } + free(thread_list); + return err; } DEFINE_WORKLOAD(thloop); diff --git a/tools/perf/tests/workloads/traploop.c b/tools/perf/tests/workloads/traploop.c new file mode 100644 index 000000000000..68dec399a735 --- /dev/null +++ b/tools/perf/tests/workloads/traploop.c @@ -0,0 +1,31 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <stdlib.h> +#include "../tests.h" + +#define BENCH_RUNS 999999 + +#ifdef __aarch64__ +static void trap_bench(void) +{ + unsigned long val; + + asm("mrs %0, ID_AA64ISAR0_EL1" : "=r" (val)); /* TRAP + ERET */ +} +#else +static void trap_bench(void) { } +#endif + +static int traploop(int argc, const char **argv) +{ + int num_loops = BENCH_RUNS; + + if (argc > 0) + num_loops = atoi(argv[0]); + + for (int i = 0; i < num_loops; i++) + trap_bench(); + + return 0; +} + +DEFINE_WORKLOAD(traploop); diff --git a/tools/perf/tests/wp.c b/tools/perf/tests/wp.c index cc8719609b19..6c178985e37f 100644 --- a/tools/perf/tests/wp.c +++ b/tools/perf/tests/wp.c @@ -20,7 +20,12 @@ do { \ TEST_ASSERT_VAL(text, count == val); \ } while (0) +#ifdef __i386__ +/* Only breakpoint length less-than 8 has hardware support on i386. */ +volatile u32 data1; +#else volatile u64 data1; +#endif volatile u8 data2[3]; #ifndef __s390x__ |