Merge tag 'perf-tools-2020-12-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux

Pull perf tools updates from Arnaldo Carvalho de Melo:
 "perf record:
   - Fix memory leak when using '--user-regs=?' to list registers

  aarch64 support:
   - Add aarch64 registers to 'perf record's' --user-regs command line
     option

  aarch64 hw tracing support:
   - Decode memory tagging properties
   - Improve ARM's auxtrace support
   - Add support for ARMv8.3-SPE

  perf kvm:
   - Add kvm-stat for arm64

  perf stat:
   - Add --quiet option

  Cleanups:
   - Fixup function names wrt what is in libperf and what is in
     tools/perf

  Build:
   - Allow building without libbpf in older systems

  New kernel features:
   - Initial support for data/code page size sample type, more to come

  perf annotate:
   - Support MIPS instruction extended support

  perf stack unwinding:
   - Fix separate debug info files when using elfutils' libdw's unwinder

  perf vendor events:
   - Update Intel's Skylake client events to v50
   - Add JSON metrics for ARM's imx8mm DDR Perf
   - Support printing metric groups for system PMUs

  perf build id:
   - Prep work for supporting having the build id provided by the kernel
     in PERF_RECORD_MMAP2 metadata events

  perf stat:
   - Support regex pattern in --for-each-cgroup

  pipe mode:
   - Allow to use stdio functions for pipe mode
   - Support 'perf report's' --header-only for pipe mode
   - Support pipe mode display in 'perf evlist'

  Documentation:
   - Update information about CAP_PERFMON"

* tag 'perf-tools-2020-12-19' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux: (134 commits)
  perf mem: Factor out a function to generate sort order
  perf sort: Add sort option for data page size
  perf script: Support data page size
  tools headers UAPI: Update asm-generic/unistd.h
  tools headers cpufeatures: Sync with the kernel sources
  tools headers UAPI: Sync linux/prctl.h with the kernel sources
  tools headers UAPI: Sync linux/fscrypt.h with the kernel sources
  tools headers UAPI: Sync linux/const.h with the kernel headers
  tools arch x86: Sync the msr-index.h copy with the kernel sources
  perf trace beauty: Update copy of linux/socket.h with the kernel sources
  tools headers: Update linux/ctype.h with the kernel sources
  tools headers: Add conditional __has_builtin()
  tools headers: Get tools's linux/compiler.h closer to the kernel's
  tools headers UAPI: Sync linux/stat.h with the kernel sources
  tools headers: Syncronize linux/build_bug.h with the kernel sources
  perf tools: Reformat record's control fd man text
  perf config: Fix example command in manpage to conform to syntax specified in the SYNOPSIS section.
  perf test: Make sample-parsing test aware of PERF_SAMPLE_{CODE,DATA}_PAGE_SIZE
  perf tools: Add support to read build id from compressed elf
  perf debug: Add debug_set_file function
  ...

1 files changed, 18 insertions, 25 deletions

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index de80534473af..85b6a46e85b6 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -3105,7 +3105,7 @@ static void trace__handle_event(struct trace *trace, union perf_event *event, st
 		return;
 	}
 
-	evsel = perf_evlist__id2evsel(trace->evlist, sample->id);
+	evsel = evlist__id2evsel(trace->evlist, sample->id);
 	if (evsel == NULL) {
 		fprintf(trace->output, "Unknown tp ID %" PRIu64 ", skipping...\n", sample->id);
 		return;
@@ -3666,7 +3666,7 @@ static int trace__set_filter_loop_pids(struct trace *trace)
 		thread = parent;
 	}
 
-	err = perf_evlist__append_tp_filter_pids(trace->evlist, nr, pids);
+	err = evlist__append_tp_filter_pids(trace->evlist, nr, pids);
 	if (!err && trace->filter_pids.map)
 		err = bpf_map__set_filter_pids(trace->filter_pids.map, nr, pids);
 
@@ -3680,11 +3680,11 @@ static int trace__set_filter_pids(struct trace *trace)
 	 * Better not use !target__has_task() here because we need to cover the
 	 * case where no threads were specified in the command line, but a
 	 * workload was, and in that case we will fill in the thread_map when
-	 * we fork the workload in perf_evlist__prepare_workload.
+	 * we fork the workload in evlist__prepare_workload.
 	 */
 	if (trace->filter_pids.nr > 0) {
-		err = perf_evlist__append_tp_filter_pids(trace->evlist, trace->filter_pids.nr,
-							 trace->filter_pids.entries);
+		err = evlist__append_tp_filter_pids(trace->evlist, trace->filter_pids.nr,
+						    trace->filter_pids.entries);
 		if (!err && trace->filter_pids.map) {
 			err = bpf_map__set_filter_pids(trace->filter_pids.map, trace->filter_pids.nr,
 						       trace->filter_pids.entries);
@@ -3700,9 +3700,8 @@ static int __trace__deliver_event(struct trace *trace, union perf_event *event)
 {
 	struct evlist *evlist = trace->evlist;
 	struct perf_sample sample;
-	int err;
+	int err = evlist__parse_sample(evlist, event, &sample);
 
-	err = perf_evlist__parse_sample(evlist, event, &sample);
 	if (err)
 		fprintf(trace->output, "Can't parse sample, err = %d, skipping...\n", err);
 	else
@@ -3735,7 +3734,7 @@ static int trace__deliver_event(struct trace *trace, union perf_event *event)
 	if (!trace->sort_events)
 		return __trace__deliver_event(trace, event);
 
-	err = perf_evlist__parse_sample_timestamp(trace->evlist, event, &trace->oe.last);
+	err = evlist__parse_sample_timestamp(trace->evlist, event, &trace->oe.last);
 	if (err && err != -1)
 		return err;
 
@@ -3951,7 +3950,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
 	if (trace->cgroup)
 		evlist__set_default_cgroup(trace->evlist, trace->cgroup);
 
-	err = perf_evlist__create_maps(evlist, &trace->opts.target);
+	err = evlist__create_maps(evlist, &trace->opts.target);
 	if (err < 0) {
 		fprintf(trace->output, "Problems parsing the target to trace, check your options!\n");
 		goto out_delete_evlist;
@@ -3963,14 +3962,13 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
 		goto out_delete_evlist;
 	}
 
-	perf_evlist__config(evlist, &trace->opts, &callchain_param);
+	evlist__config(evlist, &trace->opts, &callchain_param);
 
 	signal(SIGCHLD, sig_handler);
 	signal(SIGINT, sig_handler);
 
 	if (forks) {
-		err = perf_evlist__prepare_workload(evlist, &trace->opts.target,
-						    argv, false, NULL);
+		err = evlist__prepare_workload(evlist, &trace->opts.target, argv, false, NULL);
 		if (err < 0) {
 			fprintf(trace->output, "Couldn't run the workload!\n");
 			goto out_delete_evlist;
@@ -4028,7 +4026,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
 	err = trace__expand_filters(trace, &evsel);
 	if (err)
 		goto out_delete_evlist;
-	err = perf_evlist__apply_filters(evlist, &evsel);
+	err = evlist__apply_filters(evlist, &evsel);
 	if (err < 0)
 		goto out_error_apply_filters;
 
@@ -4043,7 +4041,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv)
 		evlist__enable(evlist);
 
 	if (forks)
-		perf_evlist__start_workload(evlist);
+		evlist__start_workload(evlist);
 
 	if (trace->opts.initial_delay) {
 		usleep(trace->opts.initial_delay * 1000);
@@ -4229,12 +4227,10 @@ static int trace__replay(struct trace *trace)
 	if (err)
 		goto out;
 
-	evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
-						     "raw_syscalls:sys_enter");
+	evsel = evlist__find_tracepoint_by_name(session->evlist, "raw_syscalls:sys_enter");
 	/* older kernels have syscalls tp versus raw_syscalls */
 	if (evsel == NULL)
-		evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
-							     "syscalls:sys_enter");
+		evsel = evlist__find_tracepoint_by_name(session->evlist, "syscalls:sys_enter");
 
 	if (evsel &&
 	    (evsel__init_raw_syscall_tp(evsel, trace__sys_enter) < 0 ||
@@ -4243,11 +4239,9 @@ static int trace__replay(struct trace *trace)
 		goto out;
 	}
 
-	evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
-						     "raw_syscalls:sys_exit");
+	evsel = evlist__find_tracepoint_by_name(session->evlist, "raw_syscalls:sys_exit");
 	if (evsel == NULL)
-		evsel = perf_evlist__find_tracepoint_by_name(session->evlist,
-							     "syscalls:sys_exit");
+		evsel = evlist__find_tracepoint_by_name(session->evlist, "syscalls:sys_exit");
 	if (evsel &&
 	    (evsel__init_raw_syscall_tp(evsel, trace__sys_exit) < 0 ||
 	    perf_evsel__init_sc_tp_uint_field(evsel, ret))) {
@@ -4769,8 +4763,7 @@ int cmd_trace(int argc, const char **argv)
 	OPT_BOOLEAN(0, "no-inherit", &trace.opts.no_inherit,
 		    "child tasks do not inherit counters"),
 	OPT_CALLBACK('m', "mmap-pages", &trace.opts.mmap_pages, "pages",
-		     "number of mmap data pages",
-		     perf_evlist__parse_mmap_pages),
+		     "number of mmap data pages", evlist__parse_mmap_pages),
 	OPT_STRING('u', "uid", &trace.opts.target.uid_str, "user",
 		   "user to profile"),
 	OPT_CALLBACK(0, "duration", &trace, "float",
@@ -4907,7 +4900,7 @@ int cmd_trace(int argc, const char **argv)
 	if (evsel) {
 		trace.syscalls.events.augmented = evsel;
 
-		evsel = perf_evlist__find_tracepoint_by_name(trace.evlist, "raw_syscalls:sys_enter");
+		evsel = evlist__find_tracepoint_by_name(trace.evlist, "raw_syscalls:sys_enter");
 		if (evsel == NULL) {
 			pr_err("ERROR: raw_syscalls:sys_enter not found in the augmented BPF object\n");
 			goto out;