diff options
Diffstat (limited to 'tools')
57 files changed, 1212 insertions, 597 deletions
diff --git a/tools/pci/pcitest.c b/tools/pci/pcitest.c index ad54a58d7dda..9074b477bff0 100644 --- a/tools/pci/pcitest.c +++ b/tools/pci/pcitest.c @@ -173,6 +173,7 @@ usage: "\t-D <dev> PCI endpoint test device {default: /dev/pci-endpoint-test.0}\n" "\t-b <bar num> BAR test (bar number between 0..5)\n" "\t-m <msi num> MSI test (msi number between 1..32)\n" + "\t-l Legacy IRQ test\n" "\t-r Read buffer test\n" "\t-w Write buffer test\n" "\t-c Copy buffer test\n" diff --git a/tools/testing/selftests/breakpoints/breakpoint_test.c b/tools/testing/selftests/breakpoints/breakpoint_test.c index f63356151ad4..901b85ea6a59 100644 --- a/tools/testing/selftests/breakpoints/breakpoint_test.c +++ b/tools/testing/selftests/breakpoints/breakpoint_test.c @@ -367,11 +367,11 @@ static void launch_tests(void) /* Icebp traps */ ptrace(PTRACE_CONT, child_pid, NULL, 0); - check_success("Test icebp"); + check_success("Test icebp\n"); /* Int 3 traps */ ptrace(PTRACE_CONT, child_pid, NULL, 0); - check_success("Test int 3 trap"); + check_success("Test int 3 trap\n"); ptrace(PTRACE_CONT, child_pid, NULL, 0); } diff --git a/tools/testing/selftests/capabilities/test_execve.c b/tools/testing/selftests/capabilities/test_execve.c index 763f37fecfb8..cf6778441381 100644 --- a/tools/testing/selftests/capabilities/test_execve.c +++ b/tools/testing/selftests/capabilities/test_execve.c @@ -1,7 +1,6 @@ #define _GNU_SOURCE #include <cap-ng.h> -#include <err.h> #include <linux/capability.h> #include <stdbool.h> #include <string.h> @@ -18,6 +17,8 @@ #include <sys/prctl.h> #include <sys/stat.h> +#include "../kselftest.h" + #ifndef PR_CAP_AMBIENT #define PR_CAP_AMBIENT 47 # define PR_CAP_AMBIENT_IS_SET 1 @@ -27,6 +28,7 @@ #endif static int nerrs; +static pid_t mpid; /* main() pid is used to avoid duplicate test counts */ static void vmaybe_write_file(bool enoent_ok, char *filename, char *fmt, va_list ap) { @@ -36,29 +38,32 @@ static void vmaybe_write_file(bool enoent_ok, char *filename, char *fmt, va_list int buf_len; buf_len = vsnprintf(buf, sizeof(buf), fmt, ap); - if (buf_len < 0) { - err(1, "vsnprintf failed"); - } - if (buf_len >= sizeof(buf)) { - errx(1, "vsnprintf output truncated"); - } + if (buf_len < 0) + ksft_exit_fail_msg("vsnprintf failed - %s\n", strerror(errno)); + + if (buf_len >= sizeof(buf)) + ksft_exit_fail_msg("vsnprintf output truncated\n"); + fd = open(filename, O_WRONLY); if (fd < 0) { if ((errno == ENOENT) && enoent_ok) return; - err(1, "open of %s failed", filename); + ksft_exit_fail_msg("open of %s failed - %s\n", + filename, strerror(errno)); } written = write(fd, buf, buf_len); if (written != buf_len) { if (written >= 0) { - errx(1, "short write to %s", filename); + ksft_exit_fail_msg("short write to %s\n", filename); } else { - err(1, "write to %s failed", filename); + ksft_exit_fail_msg("write to %s failed - %s\n", + filename, strerror(errno)); } } if (close(fd) != 0) { - err(1, "close of %s failed", filename); + ksft_exit_fail_msg("close of %s failed - %s\n", + filename, strerror(errno)); } } @@ -95,11 +100,12 @@ static bool create_and_enter_ns(uid_t inner_uid) */ if (unshare(CLONE_NEWNS) == 0) { - printf("[NOTE]\tUsing global UIDs for tests\n"); + ksft_print_msg("[NOTE]\tUsing global UIDs for tests\n"); if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0) != 0) - err(1, "PR_SET_KEEPCAPS"); + ksft_exit_fail_msg("PR_SET_KEEPCAPS - %s\n", + strerror(errno)); if (setresuid(inner_uid, inner_uid, -1) != 0) - err(1, "setresuid"); + ksft_exit_fail_msg("setresuid - %s\n", strerror(errno)); // Re-enable effective caps capng_get_caps_process(); @@ -107,22 +113,24 @@ static bool create_and_enter_ns(uid_t inner_uid) if (capng_have_capability(CAPNG_PERMITTED, i)) capng_update(CAPNG_ADD, CAPNG_EFFECTIVE, i); if (capng_apply(CAPNG_SELECT_CAPS) != 0) - err(1, "capng_apply"); + ksft_exit_fail_msg( + "capng_apply - %s\n", strerror(errno)); have_outer_privilege = true; } else if (unshare(CLONE_NEWUSER | CLONE_NEWNS) == 0) { - printf("[NOTE]\tUsing a user namespace for tests\n"); + ksft_print_msg("[NOTE]\tUsing a user namespace for tests\n"); maybe_write_file("/proc/self/setgroups", "deny"); write_file("/proc/self/uid_map", "%d %d 1", inner_uid, outer_uid); write_file("/proc/self/gid_map", "0 %d 1", outer_gid); have_outer_privilege = false; } else { - errx(1, "must be root or be able to create a userns"); + ksft_exit_skip("must be root or be able to create a userns\n"); } if (mount("none", "/", NULL, MS_REC | MS_PRIVATE, NULL) != 0) - err(1, "remount everything private"); + ksft_exit_fail_msg("remount everything private - %s\n", + strerror(errno)); return have_outer_privilege; } @@ -131,20 +139,22 @@ static void chdir_to_tmpfs(void) { char cwd[PATH_MAX]; if (getcwd(cwd, sizeof(cwd)) != cwd) - err(1, "getcwd"); + ksft_exit_fail_msg("getcwd - %s\n", strerror(errno)); if (mount("private_tmp", ".", "tmpfs", 0, "mode=0777") != 0) - err(1, "mount private tmpfs"); + ksft_exit_fail_msg("mount private tmpfs - %s\n", + strerror(errno)); if (chdir(cwd) != 0) - err(1, "chdir to private tmpfs"); + ksft_exit_fail_msg("chdir to private tmpfs - %s\n", + strerror(errno)); } static void copy_fromat_to(int fromfd, const char *fromname, const char *toname) { int from = openat(fromfd, fromname, O_RDONLY); if (from == -1) - err(1, "open copy source"); + ksft_exit_fail_msg("open copy source - %s\n", strerror(errno)); int to = open(toname, O_CREAT | O_WRONLY | O_EXCL, 0700); @@ -154,10 +164,11 @@ static void copy_fromat_to(int fromfd, const char *fromname, const char *toname) if (sz == 0) break; if (sz < 0) - err(1, "read"); + ksft_exit_fail_msg("read - %s\n", strerror(errno)); if (write(to, buf, sz) != sz) - err(1, "write"); /* no short writes on tmpfs */ + /* no short writes on tmpfs */ + ksft_exit_fail_msg("write - %s\n", strerror(errno)); } close(from); @@ -174,18 +185,20 @@ static bool fork_wait(void) int status; if (waitpid(child, &status, 0) != child || !WIFEXITED(status)) { - printf("[FAIL]\tChild died\n"); + ksft_print_msg("Child died\n"); nerrs++; } else if (WEXITSTATUS(status) != 0) { - printf("[FAIL]\tChild failed\n"); + ksft_print_msg("Child failed\n"); nerrs++; } else { - printf("[OK]\tChild succeeded\n"); + /* don't print this message for mpid */ + if (getpid() != mpid) + ksft_test_result_pass("Passed\n"); } - return false; } else { - err(1, "fork"); + ksft_exit_fail_msg("fork - %s\n", strerror(errno)); + return false; } } @@ -195,7 +208,7 @@ static void exec_other_validate_cap(const char *name, execl(name, name, (eff ? "1" : "0"), (perm ? "1" : "0"), (inh ? "1" : "0"), (ambient ? "1" : "0"), NULL); - err(1, "execl"); + ksft_exit_fail_msg("execl - %s\n", strerror(errno)); } static void exec_validate_cap(bool eff, bool perm, bool inh, bool ambient) @@ -209,7 +222,8 @@ static int do_tests(int uid, const char *our_path) int ourpath_fd = open(our_path, O_RDONLY | O_DIRECTORY); if (ourpath_fd == -1) - err(1, "open '%s'", our_path); + ksft_exit_fail_msg("open '%s' - %s\n", + our_path, strerror(errno)); chdir_to_tmpfs(); @@ -221,30 +235,30 @@ static int do_tests(int uid, const char *our_path) copy_fromat_to(ourpath_fd, "validate_cap", "validate_cap_suidroot"); if (chown("validate_cap_suidroot", 0, -1) != 0) - err(1, "chown"); + ksft_exit_fail_msg("chown - %s\n", strerror(errno)); if (chmod("validate_cap_suidroot", S_ISUID | 0700) != 0) - err(1, "chmod"); + ksft_exit_fail_msg("chmod - %s\n", strerror(errno)); copy_fromat_to(ourpath_fd, "validate_cap", "validate_cap_suidnonroot"); if (chown("validate_cap_suidnonroot", uid + 1, -1) != 0) - err(1, "chown"); + ksft_exit_fail_msg("chown - %s\n", strerror(errno)); if (chmod("validate_cap_suidnonroot", S_ISUID | 0700) != 0) - err(1, "chmod"); + ksft_exit_fail_msg("chmod - %s\n", strerror(errno)); copy_fromat_to(ourpath_fd, "validate_cap", "validate_cap_sgidroot"); if (chown("validate_cap_sgidroot", -1, 0) != 0) - err(1, "chown"); + ksft_exit_fail_msg("chown - %s\n", strerror(errno)); if (chmod("validate_cap_sgidroot", S_ISGID | 0710) != 0) - err(1, "chmod"); + ksft_exit_fail_msg("chmod - %s\n", strerror(errno)); copy_fromat_to(ourpath_fd, "validate_cap", "validate_cap_sgidnonroot"); if (chown("validate_cap_sgidnonroot", -1, gid + 1) != 0) - err(1, "chown"); + ksft_exit_fail_msg("chown - %s\n", strerror(errno)); if (chmod("validate_cap_sgidnonroot", S_ISGID | 0710) != 0) - err(1, "chmod"); + ksft_exit_fail_msg("chmod - %s\n", strerror(errno)); } capng_get_caps_process(); @@ -252,147 +266,162 @@ static int do_tests(int uid, const char *our_path) /* Make sure that i starts out clear */ capng_update(CAPNG_DROP, CAPNG_INHERITABLE, CAP_NET_BIND_SERVICE); if (capng_apply(CAPNG_SELECT_CAPS) != 0) - err(1, "capng_apply"); + ksft_exit_fail_msg("capng_apply - %s\n", strerror(errno)); if (uid == 0) { - printf("[RUN]\tRoot => ep\n"); + ksft_print_msg("[RUN]\tRoot => ep\n"); if (fork_wait()) exec_validate_cap(true, true, false, false); } else { - printf("[RUN]\tNon-root => no caps\n"); + ksft_print_msg("[RUN]\tNon-root => no caps\n"); if (fork_wait()) exec_validate_cap(false, false, false, false); } - printf("[OK]\tCheck cap_ambient manipulation rules\n"); + ksft_print_msg("Check cap_ambient manipulation rules\n"); /* We should not be able to add ambient caps yet. */ if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, CAP_NET_BIND_SERVICE, 0, 0, 0) != -1 || errno != EPERM) { if (errno == EINVAL) - printf("[FAIL]\tPR_CAP_AMBIENT_RAISE isn't supported\n"); + ksft_test_result_fail( + "PR_CAP_AMBIENT_RAISE isn't supported\n"); else - printf("[FAIL]\tPR_CAP_AMBIENT_RAISE should have failed eith EPERM on a non-inheritable cap\n"); + ksft_test_result_fail( + "PR_CAP_AMBIENT_RAISE should have failed eith EPERM on a non-inheritable cap\n"); return 1; } - printf("[OK]\tPR_CAP_AMBIENT_RAISE failed on non-inheritable cap\n"); + ksft_test_result_pass( + "PR_CAP_AMBIENT_RAISE failed on non-inheritable cap\n"); capng_update(CAPNG_ADD, CAPNG_INHERITABLE, CAP_NET_RAW); capng_update(CAPNG_DROP, CAPNG_PERMITTED, CAP_NET_RAW); capng_update(CAPNG_DROP, CAPNG_EFFECTIVE, CAP_NET_RAW); if (capng_apply(CAPNG_SELECT_CAPS) != 0) - err(1, "capng_apply"); + ksft_exit_fail_msg("capng_apply - %s\n", strerror(errno)); if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, CAP_NET_RAW, 0, 0, 0) != -1 || errno != EPERM) { - printf("[FAIL]\tPR_CAP_AMBIENT_RAISE should have failed on a non-permitted cap\n"); + ksft_test_result_fail( + "PR_CAP_AMBIENT_RAISE should have failed on a non-permitted cap\n"); return 1; } - printf("[OK]\tPR_CAP_AMBIENT_RAISE failed on non-permitted cap\n"); + ksft_test_result_pass( + "PR_CAP_AMBIENT_RAISE failed on non-permitted cap\n"); capng_update(CAPNG_ADD, CAPNG_INHERITABLE, CAP_NET_BIND_SERVICE); if (capng_apply(CAPNG_SELECT_CAPS) != 0) - err(1, "capng_apply"); + ksft_exit_fail_msg("capng_apply - %s\n", strerror(errno)); if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, CAP_NET_BIND_SERVICE, 0, 0, 0) != 0) { - printf("[FAIL]\tPR_CAP_AMBIENT_RAISE should have succeeded\n"); + ksft_test_result_fail( + "PR_CAP_AMBIENT_RAISE should have succeeded\n"); return 1; } - printf("[OK]\tPR_CAP_AMBIENT_RAISE worked\n"); + ksft_test_result_pass("PR_CAP_AMBIENT_RAISE worked\n"); if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_NET_BIND_SERVICE, 0, 0, 0) != 1) { - printf("[FAIL]\tPR_CAP_AMBIENT_IS_SET is broken\n"); + ksft_test_result_fail("PR_CAP_AMBIENT_IS_SET is broken\n"); return 1; } if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0, 0) != 0) - err(1, "PR_CAP_AMBIENT_CLEAR_ALL"); + ksft_exit_fail_msg("PR_CAP_AMBIENT_CLEAR_ALL - %s\n", + strerror(errno)); if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_NET_BIND_SERVICE, 0, 0, 0) != 0) { - printf("[FAIL]\tPR_CAP_AMBIENT_CLEAR_ALL didn't work\n"); + ksft_test_result_fail( + "PR_CAP_AMBIENT_CLEAR_ALL didn't work\n"); return 1; } if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, CAP_NET_BIND_SERVICE, 0, 0, 0) != 0) - err(1, "PR_CAP_AMBIENT_RAISE"); + ksft_exit_fail_msg("PR_CAP_AMBIENT_RAISE - %s\n", + strerror(errno)); capng_update(CAPNG_DROP, CAPNG_INHERITABLE, CAP_NET_BIND_SERVICE); if (capng_apply(CAPNG_SELECT_CAPS) != 0) - err(1, "capng_apply"); + ksft_exit_fail_msg("capng_apply - %s\n", strerror(errno)); if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_NET_BIND_SERVICE, 0, 0, 0) != 0) { - printf("[FAIL]\tDropping I should have dropped A\n"); + ksft_test_result_fail("Dropping I should have dropped A\n"); return 1; } - printf("[OK]\tBasic manipulation appears to work\n"); + ksft_test_result_pass("Basic manipulation appears to work\n"); capng_update(CAPNG_ADD, CAPNG_INHERITABLE, CAP_NET_BIND_SERVICE); if (capng_apply(CAPNG_SELECT_CAPS) != 0) - err(1, "capng_apply"); + ksft_exit_fail_msg("capng_apply - %s\n", strerror(errno)); if (uid == 0) { - printf("[RUN]\tRoot +i => eip\n"); + ksft_print_msg("[RUN]\tRoot +i => eip\n"); if (fork_wait()) exec_validate_cap(true, true, true, false); } else { - printf("[RUN]\tNon-root +i => i\n"); + ksft_print_msg("[RUN]\tNon-root +i => i\n"); if (fork_wait()) exec_validate_cap(false, false, true, false); } if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_RAISE, CAP_NET_BIND_SERVICE, 0, 0, 0) != 0) - err(1, "PR_CAP_AMBIENT_RAISE"); + ksft_exit_fail_msg("PR_CAP_AMBIENT_RAISE - %s\n", + strerror(errno)); - printf("[RUN]\tUID %d +ia => eipa\n", uid); + ksft_print_msg("[RUN]\tUID %d +ia => eipa\n", uid); if (fork_wait()) exec_validate_cap(true, true, true, true); /* The remaining tests need real privilege */ if (!have_outer_privilege) { - printf("[SKIP]\tSUID/SGID tests (needs privilege)\n"); + ksft_test_result_skip("SUID/SGID tests (needs privilege)\n"); goto done; } if (uid == 0) { - printf("[RUN]\tRoot +ia, suidroot => eipa\n"); + ksft_print_msg("[RUN]\tRoot +ia, suidroot => eipa\n"); if (fork_wait()) exec_other_validate_cap("./validate_cap_suidroot", true, true, true, true); - printf("[RUN]\tRoot +ia, suidnonroot => ip\n"); + ksft_print_msg("[RUN]\tRoot +ia, suidnonroot => ip\n"); if (fork_wait()) exec_other_validate_cap("./validate_cap_suidnonroot", false, true, true, false); - printf("[RUN]\tRoot +ia, sgidroot => eipa\n"); + ksft_print_msg("[RUN]\tRoot +ia, sgidroot => eipa\n"); if (fork_wait()) exec_other_validate_cap("./validate_cap_sgidroot", true, true, true, true); if (fork_wait()) { - printf("[RUN]\tRoot, gid != 0, +ia, sgidroot => eip\n"); + ksft_print_msg( + "[RUN]\tRoot, gid != 0, +ia, sgidroot => eip\n"); if (setresgid(1, 1, 1) != 0) - err(1, "setresgid"); + ksft_exit_fail_msg("setresgid - %s\n", + strerror(errno)); exec_other_validate_cap("./validate_cap_sgidroot", true, true, true, false); } - printf("[RUN]\tRoot +ia, sgidnonroot => eip\n"); + ksft_print_msg("[RUN]\tRoot +ia, sgidnonroot => eip\n"); if (fork_wait()) exec_other_validate_cap("./validate_cap_sgidnonroot", true, true, true, false); } else { - printf("[RUN]\tNon-root +ia, sgidnonroot => i\n"); - exec_other_validate_cap("./validate_cap_sgidnonroot", + ksft_print_msg("[RUN]\tNon-root +ia, sgidnonroot => i\n"); + if (fork_wait()) + exec_other_validate_cap("./validate_cap_sgidnonroot", false, false, true, false); if (fork_wait()) { - printf("[RUN]\tNon-root +ia, sgidroot => i\n"); + ksft_print_msg("[RUN]\tNon-root +ia, sgidroot => i\n"); if (setresgid(1, 1, 1) != 0) - err(1, "setresgid"); + ksft_exit_fail_msg("setresgid - %s\n", + strerror(errno)); exec_other_validate_cap("./validate_cap_sgidroot", false, false, true, false); } } done: + ksft_print_cnts(); return nerrs ? 1 : 0; } @@ -400,23 +429,29 @@ int main(int argc, char **argv) { char *tmp1, *tmp2, *our_path; + ksft_print_header(); + /* Find our path */ tmp1 = strdup(argv[0]); if (!tmp1) - err(1, "strdup"); + ksft_exit_fail_msg("strdup - %s\n", strerror(errno)); tmp2 = dirname(tmp1); our_path = strdup(tmp2); if (!our_path) - err(1, "strdup"); + ksft_exit_fail_msg("strdup - %s\n", strerror(errno)); free(tmp1); + mpid = getpid(); + if (fork_wait()) { - printf("[RUN]\t+++ Tests with uid == 0 +++\n"); + ksft_print_msg("[RUN]\t+++ Tests with uid == 0 +++\n"); return do_tests(0, our_path); } + ksft_print_msg("==================================================\n"); + if (fork_wait()) { - printf("[RUN]\t+++ Tests with uid != 0 +++\n"); + ksft_print_msg("[RUN]\t+++ Tests with uid != 0 +++\n"); return do_tests(1, our_path); } diff --git a/tools/testing/selftests/capabilities/validate_cap.c b/tools/testing/selftests/capabilities/validate_cap.c index dd3c45f7b23c..694cd73d4493 100644 --- a/tools/testing/selftests/capabilities/validate_cap.c +++ b/tools/testing/selftests/capabilities/validate_cap.c @@ -1,5 +1,4 @@ #include <cap-ng.h> -#include <err.h> #include <linux/capability.h> #include <stdbool.h> #include <string.h> @@ -7,6 +6,8 @@ #include <sys/prctl.h> #include <sys/auxv.h> +#include "../kselftest.h" + #ifndef PR_CAP_AMBIENT #define PR_CAP_AMBIENT 47 # define PR_CAP_AMBIENT_IS_SET 1 @@ -25,8 +26,10 @@ static bool bool_arg(char **argv, int i) return false; else if (!strcmp(argv[i], "1")) return true; - else - errx(1, "wrong argv[%d]", i); + else { + ksft_exit_fail_msg("wrong argv[%d]\n", i); + return false; + } } int main(int argc, char **argv) @@ -39,7 +42,7 @@ int main(int argc, char **argv) */ if (argc != 5) - errx(1, "wrong argc"); + ksft_exit_fail_msg("wrong argc\n"); #ifdef HAVE_GETAUXVAL if (getauxval(AT_SECURE)) @@ -51,23 +54,26 @@ int main(int argc, char **argv) capng_get_caps_process(); if (capng_have_capability(CAPNG_EFFECTIVE, CAP_NET_BIND_SERVICE) != bool_arg(argv, 1)) { - printf("[FAIL]\tWrong effective state%s\n", atsec); + ksft_print_msg("Wrong effective state%s\n", atsec); return 1; } + if (capng_have_capability(CAPNG_PERMITTED, CAP_NET_BIND_SERVICE) != bool_arg(argv, 2)) { - printf("[FAIL]\tWrong permitted state%s\n", atsec); + ksft_print_msg("Wrong permitted state%s\n", atsec); return 1; } + if (capng_have_capability(CAPNG_INHERITABLE, CAP_NET_BIND_SERVICE) != bool_arg(argv, 3)) { - printf("[FAIL]\tWrong inheritable state%s\n", atsec); + ksft_print_msg("Wrong inheritable state%s\n", atsec); return 1; } if (prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_IS_SET, CAP_NET_BIND_SERVICE, 0, 0, 0) != bool_arg(argv, 4)) { - printf("[FAIL]\tWrong ambient state%s\n", atsec); + ksft_print_msg("Wrong ambient state%s\n", atsec); return 1; } - printf("[OK]\tCapabilities after execve were correct\n"); + ksft_print_msg("%s: Capabilities after execve were correct\n", + "validate_cap:"); return 0; } diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh index 98b1d6565f2c..b18b253d7bfb 100755 --- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh +++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh @@ -28,6 +28,12 @@ prerequisite() echo "CPU online/offline summary:" online_cpus=`cat $SYSFS/devices/system/cpu/online` online_max=${online_cpus##*-} + + if [[ "$online_cpus" = "$online_max" ]]; then + echo "$msg: since there is only one cpu: $online_cpus" + exit 0 + fi + echo -e "\t Cpus in online state: $online_cpus" offline_cpus=`cat $SYSFS/devices/system/cpu/offline` @@ -89,8 +95,10 @@ online_cpu_expect_success() if ! online_cpu $cpu; then echo $FUNCNAME $cpu: unexpected fail >&2 + exit 1 elif ! cpu_is_online $cpu; then echo $FUNCNAME $cpu: unexpected offline >&2 + exit 1 fi } @@ -100,8 +108,10 @@ online_cpu_expect_fail() if online_cpu $cpu 2> /dev/null; then echo $FUNCNAME $cpu: unexpected success >&2 + exit 1 elif ! cpu_is_offline $cpu; then echo $FUNCNAME $cpu: unexpected online >&2 + exit 1 fi } @@ -111,8 +121,10 @@ offline_cpu_expect_success() if ! offline_cpu $cpu; then echo $FUNCNAME $cpu: unexpected fail >&2 + exit 1 elif ! cpu_is_offline $cpu; then echo $FUNCNAME $cpu: unexpected offline >&2 + exit 1 fi } @@ -122,8 +134,10 @@ offline_cpu_expect_fail() if offline_cpu $cpu 2> /dev/null; then echo $FUNCNAME $cpu: unexpected success >&2 + exit 1 elif ! cpu_is_online $cpu; then echo $FUNCNAME $cpu: unexpected offline >&2 + exit 1 fi } diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest index 14a03ea1e21d..abc706cf7702 100755 --- a/tools/testing/selftests/ftrace/ftracetest +++ b/tools/testing/selftests/ftrace/ftracetest @@ -8,15 +8,18 @@ # Released under the terms of the GPL v2. usage() { # errno [message] -[ "$2" ] && echo $2 +[ ! -z "$2" ] && echo $2 echo "Usage: ftracetest [options] [testcase(s)] [testcase-directory(s)]" echo " Options:" echo " -h|--help Show help message" echo " -k|--keep Keep passed test logs" echo " -v|--verbose Increase verbosity of test messages" echo " -vv Alias of -v -v (Show all results in stdout)" +echo " -vvv Alias of -v -v -v (Show all commands immediately)" +echo " --fail-unsupported Treat UNSUPPORTED as a failure" echo " -d|--debug Debug mode (trace all shell commands)" echo " -l|--logdir <dir> Save logs on the <dir>" +echo " If <dir> is -, all logs output in console only" exit $1 } @@ -47,7 +50,7 @@ parse_opts() { # opts local OPT_TEST_CASES= local OPT_TEST_DIR= - while [ "$1" ]; do + while [ ! -z "$1" ]; do case "$1" in --help|-h) usage 0 @@ -56,15 +59,20 @@ parse_opts() { # opts KEEP_LOG=1 shift 1 ;; - --verbose|-v|-vv) + --verbose|-v|-vv|-vvv) VERBOSE=$((VERBOSE + 1)) [ $1 = '-vv' ] && VERBOSE=$((VERBOSE + 1)) + [ $1 = '-vvv' ] && VERBOSE=$((VERBOSE + 2)) shift 1 ;; --debug|-d) DEBUG=1 shift 1 ;; + --fail-unsupported) + UNSUPPORTED_RESULT=1 + shift 1 + ;; --logdir|-l) LOG_DIR=$2 shift 2 @@ -88,7 +96,7 @@ parse_opts() { # opts ;; esac done - if [ "$OPT_TEST_CASES" ]; then + if [ ! -z "$OPT_TEST_CASES" ]; then TEST_CASES=$OPT_TEST_CASES fi } @@ -108,6 +116,7 @@ LOG_DIR=$TOP_DIR/logs/`date +%Y%m%d-%H%M%S`/ KEEP_LOG=0 DEBUG=0 VERBOSE=0 +UNSUPPORTED_RESULT=0 # Parse command-line options parse_opts $* @@ -119,14 +128,20 @@ if [ -z "$TRACING_DIR" -o ! -d "$TRACING_DIR" ]; then fi # Preparing logs -LOG_FILE=$LOG_DIR/ftracetest.log -mkdir -p $LOG_DIR || errexit "Failed to make a log directory: $LOG_DIR" -date > $LOG_FILE +if [ "x$LOG_DIR" = "x-" ]; then + LOG_FILE= + date +else + LOG_FILE=$LOG_DIR/ftracetest.log + mkdir -p $LOG_DIR || errexit "Failed to make a log directory: $LOG_DIR" + date > $LOG_FILE +fi + prlog() { # messages - echo "$@" | tee -a $LOG_FILE + [ -z "$LOG_FILE" ] && echo "$@" || echo "$@" | tee -a $LOG_FILE } catlog() { #file - cat $1 | tee -a $LOG_FILE + [ -z "$LOG_FILE" ] && cat $1 || cat $1 | tee -a $LOG_FILE } prlog "=== Ftrace unit tests ===" @@ -187,7 +202,7 @@ eval_result() { # sigval $UNSUPPORTED) prlog " [UNSUPPORTED]" UNSUPPORTED_CASES="$UNSUPPORTED_CASES $CASENO" - return 1 # this is not a bug, but the result should be reported. + return $UNSUPPORTED_RESULT # depends on use case ;; $XFAIL) prlog " [XFAIL]" @@ -247,12 +262,20 @@ __run_test() { # testfile # Run one test case run_test() { # testfile local testname=`basename $1` - local testlog=`mktemp $LOG_DIR/${testname}-log.XXXXXX` + if [ ! -z "$LOG_FILE" ] ; then + local testlog=`mktemp $LOG_DIR/${testname}-log.XXXXXX` + else + local testlog=/proc/self/fd/1 + fi export TMPDIR=`mktemp -d /tmp/ftracetest-dir.XXXXXX` testcase $1 echo "execute$INSTANCE: "$1 > $testlog SIG_RESULT=0 - if [ $VERBOSE -ge 2 ]; then + if [ -z "$LOG_FILE" ]; then + __run_test $1 2>&1 + elif [ $VERBOSE -ge 3 ]; then + __run_test $1 | tee -a $testlog 2>&1 + elif [ $VERBOSE -eq 2 ]; then __run_test $1 2>> $testlog | tee -a $testlog else __run_test $1 >> $testlog 2>&1 @@ -260,9 +283,9 @@ run_test() { # testfile eval_result $SIG_RESULT if [ $? -eq 0 ]; then # Remove test log if the test was done as it was expected. - [ $KEEP_LOG -eq 0 ] && rm $testlog + [ $KEEP_LOG -eq 0 -a ! -z "$LOG_FILE" ] && rm $testlog else - [ $VERBOSE -ge 1 ] && catlog $testlog + [ $VERBOSE -eq 1 -o $VERBOSE -eq 2 ] && catlog $testlog TOTAL_RESULT=1 fi rm -rf $TMPDIR diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi.c b/tools/testing/selftests/futex/functional/futex_requeue_pi.c index d24ab7421e73..54cd5c414e82 100644 --- a/tools/testing/selftests/futex/functional/futex_requeue_pi.c +++ b/tools/testing/selftests/futex/functional/futex_requeue_pi.c @@ -394,9 +394,11 @@ int main(int argc, char *argv[]) } } - printf("%s: Test requeue functionality\n", basename(argv[0])); - printf("\tArguments: broadcast=%d locked=%d owner=%d timeout=%ldns\n", - broadcast, locked, owner, timeout_ns); + ksft_print_header(); + ksft_print_msg("%s: Test requeue functionality\n", basename(argv[0])); + ksft_print_msg( + "\tArguments: broadcast=%d locked=%d owner=%d timeout=%ldns\n", + broadcast, locked, owner, timeout_ns); /* * FIXME: unit_test is obsolete now that we parse options and the diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi_mismatched_ops.c b/tools/testing/selftests/futex/functional/futex_requeue_pi_mismatched_ops.c index e0a798ad0d21..08187a16507f 100644 --- a/tools/testing/selftests/futex/functional/futex_requeue_pi_mismatched_ops.c +++ b/tools/testing/selftests/futex/functional/futex_requeue_pi_mismatched_ops.c @@ -78,7 +78,8 @@ int main(int argc, char *argv[]) } } - printf("%s: Detect mismatched requeue_pi operations\n", + ksft_print_header(); + ksft_print_msg("%s: Detect mismatched requeue_pi operations\n", basename(argv[0])); if (pthread_create(&child, NULL, blocking_child, NULL)) { diff --git a/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c b/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c index 982f83577501..f0542a344d95 100644 --- a/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c +++ b/tools/testing/selftests/futex/functional/futex_requeue_pi_signal_restart.c @@ -143,9 +143,10 @@ int main(int argc, char *argv[]) } } - printf("%s: Test signal handling during requeue_pi\n", + ksft_print_header(); + ksft_print_msg("%s: Test signal handling during requeue_pi\n", basename(argv[0])); - printf("\tArguments: <none>\n"); + ksft_print_msg("\tArguments: <none>\n"); sa.sa_handler = handle_signal; sigemptyset(&sa.sa_mask); diff --git a/tools/testing/selftests/futex/functional/futex_wait_private_mapped_file.c b/tools/testing/selftests/futex/functional/futex_wait_private_mapped_file.c index bdc48dc047e5..6216de828093 100644 --- a/tools/testing/selftests/futex/functional/futex_wait_private_mapped_file.c +++ b/tools/testing/selftests/futex/functional/futex_wait_private_mapped_file.c @@ -97,8 +97,10 @@ int main(int argc, char **argv) } } - printf("%s: Test the futex value of private file mappings in FUTEX_WAIT\n", - basename(argv[0])); + ksft_print_header(); + ksft_print_msg( + "%s: Test the futex value of private file mappings in FUTEX_WAIT\n", + basename(argv[0])); ret = pthread_create(&thr, NULL, thr_futex_wait, NULL); if (ret < 0) { diff --git a/tools/testing/selftests/futex/functional/futex_wait_timeout.c b/tools/testing/selftests/futex/functional/futex_wait_timeout.c index 6aadd560366e..bab3dfe1787f 100644 --- a/tools/testing/selftests/futex/functional/futex_wait_timeout.c +++ b/tools/testing/selftests/futex/functional/futex_wait_timeout.c @@ -68,9 +68,10 @@ int main(int argc, char *argv[]) } } - printf("%s: Block on a futex and wait for timeout\n", + ksft_print_header(); + ksft_print_msg("%s: Block on a futex and wait for timeout\n", basename(argv[0])); - printf("\tArguments: timeout=%ldns\n", timeout_ns); + ksft_print_msg("\tArguments: timeout=%ldns\n", timeout_ns); /* initialize timeout */ to.tv_sec = 0; diff --git a/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c b/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c index d237a8b702f0..26975322545b 100644 --- a/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c +++ b/tools/testing/selftests/futex/functional/futex_wait_uninitialized_heap.c @@ -99,7 +99,8 @@ int main(int argc, char **argv) exit(1); } - printf("%s: Test the uninitialized futex value in FUTEX_WAIT\n", + ksft_print_header(); + ksft_print_msg("%s: Test the uninitialized futex value in FUTEX_WAIT\n", basename(argv[0])); diff --git a/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c b/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c index 9a2c56fa7305..da15a63269b4 100644 --- a/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c +++ b/tools/testing/selftests/futex/functional/futex_wait_wouldblock.c @@ -64,7 +64,8 @@ int main(int argc, char *argv[]) } } - printf("%s: Test the unexpected futex value in FUTEX_WAIT\n", + ksft_print_header(); + ksft_print_msg("%s: Test the unexpected futex value in FUTEX_WAIT\n", basename(argv[0])); info("Calling futex_wait on f1: %u @ %p with val=%u\n", f1, &f1, f1+1); diff --git a/tools/testing/selftests/futex/include/logging.h b/tools/testing/selftests/futex/include/logging.h index 4e7944984fbb..01989644e50a 100644 --- a/tools/testing/selftests/futex/include/logging.h +++ b/tools/testing/selftests/futex/include/logging.h @@ -109,22 +109,20 @@ void log_verbosity(int level) */ void print_result(const char *test_name, int ret) { - const char *result = "Unknown return code"; - switch (ret) { case RET_PASS: - ksft_inc_pass_cnt(); - result = PASS; - break; + ksft_test_result_pass("%s\n", test_name); + ksft_print_cnts(); + return; case RET_ERROR: - result = ERROR; - break; + ksft_test_result_error("%s\n", test_name); + ksft_print_cnts(); + return; case RET_FAIL: - ksft_inc_fail_cnt(); - result = FAIL; - break; + ksft_test_result_fail("%s\n", test_name); + ksft_print_cnts(); + return; } - printf("selftests: %s [%s]\n", test_name, result); } /* log level macros */ diff --git a/tools/testing/selftests/kcmp/kcmp_test.c b/tools/testing/selftests/kcmp/kcmp_test.c index a5a4da856dfe..73684c4a1ed6 100644 --- a/tools/testing/selftests/kcmp/kcmp_test.c +++ b/tools/testing/selftests/kcmp/kcmp_test.c @@ -8,7 +8,6 @@ #include <errno.h> #include <string.h> #include <fcntl.h> - #include <linux/unistd.h> #include <linux/kcmp.h> @@ -16,20 +15,28 @@ #include <sys/types.h> #include <sys/stat.h> #include <sys/wait.h> +#include <sys/epoll.h> #include "../kselftest.h" -static long sys_kcmp(int pid1, int pid2, int type, int fd1, int fd2) +static long sys_kcmp(int pid1, int pid2, int type, unsigned long fd1, unsigned long fd2) { return syscall(__NR_kcmp, pid1, pid2, type, fd1, fd2); } +static const unsigned int duped_num = 64; + int main(int argc, char **argv) { const char kpath[] = "kcmp-test-file"; + struct kcmp_epoll_slot epoll_slot; + struct epoll_event ev; int pid1, pid2; + int pipefd[2]; int fd1, fd2; + int epollfd; int status; + int fddup; fd1 = open(kpath, O_RDWR | O_CREAT | O_TRUNC, 0644); pid1 = getpid(); @@ -39,6 +46,37 @@ int main(int argc, char **argv) ksft_exit_fail(); } + if (pipe(pipefd)) { + perror("Can't create pipe"); + ksft_exit_fail(); + } + + epollfd = epoll_create1(0); + if (epollfd < 0) { + perror("epoll_create1 failed"); + ksft_exit_fail(); + } + + memset(&ev, 0xff, sizeof(ev)); + ev.events = EPOLLIN | EPOLLOUT; + + if (epoll_ctl(epollfd, EPOLL_CTL_ADD, pipefd[0], &ev)) { + perror("epoll_ctl failed"); + ksft_exit_fail(); + } + + fddup = dup2(pipefd[1], duped_num); + if (fddup < 0) { + perror("dup2 failed"); + ksft_exit_fail(); + } + + if (epoll_ctl(epollfd, EPOLL_CTL_ADD, fddup, &ev)) { + perror("epoll_ctl failed"); + ksft_exit_fail(); + } + close(fddup); + pid2 = fork(); if (pid2 < 0) { perror("fork failed"); @@ -95,6 +133,24 @@ int main(int argc, char **argv) ksft_inc_pass_cnt(); } + /* Compare epoll target */ + epoll_slot = (struct kcmp_epoll_slot) { + .efd = epollfd, + .tfd = duped_num, + .toff = 0, + }; + ret = sys_kcmp(pid1, pid1, KCMP_EPOLL_TFD, pipefd[1], + (unsigned long)(void *)&epoll_slot); + if (ret) { + printf("FAIL: 0 expected but %d returned (%s)\n", + ret, strerror(errno)); + ksft_inc_fail_cnt(); + ret = -1; + } else { + printf("PASS: 0 returned as expected\n"); + ksft_inc_pass_cnt(); + } + ksft_print_cnts(); if (ret) diff --git a/tools/testing/selftests/kselftest.h b/tools/testing/selftests/kselftest.h index 08e90c2cc5cb..1ae565ed9bf0 100644 --- a/tools/testing/selftests/kselftest.h +++ b/tools/testing/selftests/kselftest.h @@ -19,7 +19,8 @@ #define KSFT_FAIL 1 #define KSFT_XFAIL 2 #define KSFT_XPASS 3 -#define KSFT_SKIP 4 +/* Treat skip as pass */ +#define KSFT_SKIP KSFT_PASS /* counters */ struct ksft_count { @@ -28,6 +29,7 @@ struct ksft_count { unsigned int ksft_xfail; unsigned int ksft_xpass; unsigned int ksft_xskip; + unsigned int ksft_error; }; static struct ksft_count ksft_cnt; @@ -36,7 +38,7 @@ static inline int ksft_test_num(void) { return ksft_cnt.ksft_pass + ksft_cnt.ksft_fail + ksft_cnt.ksft_xfail + ksft_cnt.ksft_xpass + - ksft_cnt.ksft_xskip; + ksft_cnt.ksft_xskip + ksft_cnt.ksft_error; } static inline void ksft_inc_pass_cnt(void) { ksft_cnt.ksft_pass++; } @@ -44,6 +46,14 @@ static inline void ksft_inc_fail_cnt(void) { ksft_cnt.ksft_fail++; } static inline void ksft_inc_xfail_cnt(void) { ksft_cnt.ksft_xfail++; } static inline void ksft_inc_xpass_cnt(void) { ksft_cnt.ksft_xpass++; } static inline void ksft_inc_xskip_cnt(void) { ksft_cnt.ksft_xskip++; } +static inline void ksft_inc_error_cnt(void) { ksft_cnt.ksft_error++; } + +static inline int ksft_get_pass_cnt(void) { return ksft_cnt.ksft_pass; } +static inline int ksft_get_fail_cnt(void) { return ksft_cnt.ksft_fail; } +static inline int ksft_get_xfail_cnt(void) { return ksft_cnt.ksft_xfail; } +static inline int ksft_get_xpass_cnt(void) { return ksft_cnt.ksft_xpass; } +static inline int ksft_get_xskip_cnt(void) { return ksft_cnt.ksft_xskip; } +static inline int ksft_get_error_cnt(void) { return ksft_cnt.ksft_error; } static inline void ksft_print_header(void) { @@ -52,6 +62,10 @@ static inline void ksft_print_header(void) static inline void ksft_print_cnts(void) { + printf("Pass %d Fail %d Xfail %d Xpass %d Skip %d Error %d\n", + ksft_cnt.ksft_pass, ksft_cnt.ksft_fail, + ksft_cnt.ksft_xfail, ksft_cnt.ksft_xpass, + ksft_cnt.ksft_xskip, ksft_cnt.ksft_error); printf("1..%d\n", ksft_test_num()); } @@ -101,6 +115,18 @@ static inline void ksft_test_result_skip(const char *msg, ...) va_end(args); } +static inline void ksft_test_result_error(const char *msg, ...) +{ + va_list args; + + ksft_cnt.ksft_error++; + + va_start(args, msg); + printf("not ok %d # error ", ksft_test_num()); + vprintf(msg, args); + va_end(args); +} + static inline int ksft_exit_pass(void) { ksft_print_cnts(); diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h index c56f72e07cd7..e81bd28bdd89 100644 --- a/tools/testing/selftests/kselftest_harness.h +++ b/tools/testing/selftests/kselftest_harness.h @@ -51,6 +51,9 @@ #define __KSELFTEST_HARNESS_H #define _GNU_SOURCE +#include <asm/types.h> +#include <errno.h> +#include <stdbool.h> #include <stdint.h> #include <stdio.h> #include <stdlib.h> @@ -84,6 +87,14 @@ * E.g., #define TH_LOG_ENABLED 1 * * If no definition is provided, logging is enabled by default. + * + * If there is no way to print an error message for the process running the + * test (e.g. not allowed to write to stderr), it is still possible to get the + * ASSERT_* number for which the test failed. This behavior can be enabled by + * writing `_metadata->no_print = true;` before the check sequence that is + * unable to print. When an error occur, instead of printing an error message + * and calling `abort(3)`, the test process call `_exit(2)` with the assert + * number as argument, which is then printed by the parent process. */ #define TH_LOG(fmt, ...) do { \ if (TH_LOG_ENABLED) \ @@ -555,12 +566,18 @@ * return while still providing an optional block to the API consumer. */ #define OPTIONAL_HANDLER(_assert) \ - for (; _metadata->trigger; _metadata->trigger = __bail(_assert)) + for (; _metadata->trigger; _metadata->trigger = \ + __bail(_assert, _metadata->no_print, _metadata->step)) + +#define __INC_STEP(_metadata) \ + if (_metadata->passed && _metadata->step < 255) \ + _metadata->step++; #define __EXPECT(_expected, _seen, _t, _assert) do { \ /* Avoid multiple evaluation of the cases */ \ __typeof__(_expected) __exp = (_expected); \ __typeof__(_seen) __seen = (_seen); \ + if (_assert) __INC_STEP(_metadata); \ if (!(__exp _t __seen)) { \ unsigned long long __exp_print = (uintptr_t)__exp; \ unsigned long long __seen_print = (uintptr_t)__seen; \ @@ -576,6 +593,7 @@ #define __EXPECT_STR(_expected, _seen, _t, _assert) do { \ const char *__exp = (_expected); \ const char *__seen = (_seen); \ + if (_assert) __INC_STEP(_metadata); \ if (!(strcmp(__exp, __seen) _t 0)) { \ __TH_LOG("Expected '%s' %s '%s'.", __exp, #_t, __seen); \ _metadata->passed = 0; \ @@ -590,6 +608,8 @@ struct __test_metadata { int termsig; int passed; int trigger; /* extra handler after the evaluation */ + __u8 step; + bool no_print; /* manual trigger when TH_LOG_STREAM is not available */ struct __test_metadata *prev, *next; }; @@ -634,10 +654,13 @@ static inline void __register_test(struct __test_metadata *t) } } -static inline int __bail(int for_realz) +static inline int __bail(int for_realz, bool no_print, __u8 step) { - if (for_realz) + if (for_realz) { + if (no_print) + _exit(step); abort(); + } return 0; } @@ -655,18 +678,24 @@ void __run_test(struct __test_metadata *t) t->passed = 0; } else if (child_pid == 0) { t->fn(t); - _exit(t->passed); + /* return the step that failed or 0 */ + _exit(t->passed ? 0 : t->step); } else { /* TODO(wad) add timeout support. */ waitpid(child_pid, &status, 0); if (WIFEXITED(status)) { - t->passed = t->termsig == -1 ? WEXITSTATUS(status) : 0; + t->passed = t->termsig == -1 ? !WEXITSTATUS(status) : 0; if (t->termsig != -1) { fprintf(TH_LOG_STREAM, "%s: Test exited normally " "instead of by signal (code: %d)\n", t->name, WEXITSTATUS(status)); + } else if (!t->passed) { + fprintf(TH_LOG_STREAM, + "%s: Test failed at step #%d\n", + t->name, + WEXITSTATUS(status)); } } else if (WIFSIGNALED(status)) { t->passed = 0; diff --git a/tools/testing/selftests/lib.mk b/tools/testing/selftests/lib.mk index 959273c3a52e..693616651da5 100644 --- a/tools/testing/selftests/lib.mk +++ b/tools/testing/selftests/lib.mk @@ -11,15 +11,26 @@ TEST_GEN_FILES := $(patsubst %,$(OUTPUT)/%,$(TEST_GEN_FILES)) all: $(TEST_GEN_PROGS) $(TEST_GEN_PROGS_EXTENDED) $(TEST_GEN_FILES) +.ONESHELL: define RUN_TESTS - @for TEST in $(TEST_GEN_PROGS) $(TEST_PROGS); do \ + @test_num=`echo 0`; + @echo "TAP version 13"; + @for TEST in $(1); do \ BASENAME_TEST=`basename $$TEST`; \ - cd `dirname $$TEST`; (./$$BASENAME_TEST && echo "selftests: $$BASENAME_TEST [PASS]") || echo "selftests: $$BASENAME_TEST [FAIL]"; cd -;\ + test_num=`echo $$test_num+1 | bc`; \ + echo "selftests: $$BASENAME_TEST"; \ + echo "========================================"; \ + if [ ! -x $$BASENAME_TEST ]; then \ + echo "selftests: Warning: file $$BASENAME_TEST is not executable, correct this.";\ + echo "not ok 1..$$test_num selftests: $$BASENAME_TEST [FAIL]"; \ + else \ + cd `dirname $$TEST` > /dev/null; (./$$BASENAME_TEST && echo "ok 1..$$test_num selftests: $$BASENAME_TEST [PASS]") || echo "not ok 1..$$test_num selftests: $$BASENAME_TEST [FAIL]"; cd - > /dev/null;\ + fi; \ done; endef run_tests: all - $(RUN_TESTS) + $(call RUN_TESTS, $(TEST_GEN_PROGS) $(TEST_PROGS)) define INSTALL_RULE @if [ "X$(TEST_PROGS)$(TEST_PROGS_EXTENDED)$(TEST_FILES)" != "X" ]; then \ diff --git a/tools/testing/selftests/memfd/Makefile b/tools/testing/selftests/memfd/Makefile index ad8a0897e47f..bc9d02d615da 100644 --- a/tools/testing/selftests/memfd/Makefile +++ b/tools/testing/selftests/memfd/Makefile @@ -3,7 +3,7 @@ CFLAGS += -I../../../../include/uapi/ CFLAGS += -I../../../../include/ CFLAGS += -I../../../../usr/include/ -TEST_PROGS := run_fuse_test.sh +TEST_PROGS := run_tests.sh TEST_GEN_FILES := memfd_test fuse_mnt fuse_test fuse_mnt.o: CFLAGS += $(shell pkg-config fuse --cflags) diff --git a/tools/testing/selftests/memfd/fuse_test.c b/tools/testing/selftests/memfd/fuse_test.c index 67908b18f035..7f3617274bf5 100644 --- a/tools/testing/selftests/memfd/fuse_test.c +++ b/tools/testing/selftests/memfd/fuse_test.c @@ -33,7 +33,7 @@ #include <unistd.h> #define MFD_DEF_SIZE 8192 -#define STACK_SIZE 65535 +#define STACK_SIZE 65536 static int sys_memfd_create(const char *name, unsigned int flags) diff --git a/tools/testing/selftests/memfd/memfd_test.c b/tools/testing/selftests/memfd/memfd_test.c index 26546892cd54..f94c6d1fb46f 100644 --- a/tools/testing/selftests/memfd/memfd_test.c +++ b/tools/testing/selftests/memfd/memfd_test.c @@ -18,12 +18,48 @@ #include <sys/wait.h> #include <unistd.h> +#define MEMFD_STR "memfd:" +#define SHARED_FT_STR "(shared file-table)" + #define MFD_DEF_SIZE 8192 #define STACK_SIZE 65536 +/* + * Default is not to test hugetlbfs + */ +static int hugetlbfs_test; +static size_t mfd_def_size = MFD_DEF_SIZE; + +/* + * Copied from mlock2-tests.c + */ +static unsigned long default_huge_page_size(void) +{ + unsigned long hps = 0; + char *line = NULL; + size_t linelen = 0; + FILE *f = fopen("/proc/meminfo", "r"); + + if (!f) + return 0; + while (getline(&line, &linelen, f) > 0) { + if (sscanf(line, "Hugepagesize: %lu kB", &hps) == 1) { + hps <<= 10; + break; + } + } + + free(line); + fclose(f); + return hps; +} + static int sys_memfd_create(const char *name, unsigned int flags) { + if (hugetlbfs_test) + flags |= MFD_HUGETLB; + return syscall(__NR_memfd_create, name, flags); } @@ -150,7 +186,7 @@ static void *mfd_assert_mmap_shared(int fd) void *p; p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, @@ -168,7 +204,7 @@ static void *mfd_assert_mmap_private(int fd) void *p; p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ, MAP_PRIVATE, fd, @@ -223,7 +259,7 @@ static void mfd_assert_read(int fd) /* verify PROT_READ *is* allowed */ p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ, MAP_PRIVATE, fd, @@ -232,11 +268,11 @@ static void mfd_assert_read(int fd) printf("mmap() failed: %m\n"); abort(); } - munmap(p, MFD_DEF_SIZE); + munmap(p, mfd_def_size); /* verify MAP_PRIVATE is *always* allowed (even writable) */ p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, @@ -245,7 +281,7 @@ static void mfd_assert_read(int fd) printf("mmap() failed: %m\n"); abort(); } - munmap(p, MFD_DEF_SIZE); + munmap(p, mfd_def_size); } static void mfd_assert_write(int fd) @@ -254,16 +290,22 @@ static void mfd_assert_write(int fd) void *p; int r; - /* verify write() succeeds */ - l = write(fd, "\0\0\0\0", 4); - if (l != 4) { - printf("write() failed: %m\n"); - abort(); + /* + * huegtlbfs does not support write, but we want to + * verify everything else here. + */ + if (!hugetlbfs_test) { + /* verify write() succeeds */ + l = write(fd, "\0\0\0\0", 4); + if (l != 4) { + printf("write() failed: %m\n"); + abort(); + } } /* verify PROT_READ | PROT_WRITE is allowed */ p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, @@ -273,11 +315,11 @@ static void mfd_assert_write(int fd) abort(); } *(char *)p = 0; - munmap(p, MFD_DEF_SIZE); + munmap(p, mfd_def_size); /* verify PROT_WRITE is allowed */ p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_WRITE, MAP_SHARED, fd, @@ -287,12 +329,12 @@ static void mfd_assert_write(int fd) abort(); } *(char *)p = 0; - munmap(p, MFD_DEF_SIZE); + munmap(p, mfd_def_size); /* verify PROT_READ with MAP_SHARED is allowed and a following * mprotect(PROT_WRITE) allows writing */ p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ, MAP_SHARED, fd, @@ -302,20 +344,20 @@ static void mfd_assert_write(int fd) abort(); } - r = mprotect(p, MFD_DEF_SIZE, PROT_READ | PROT_WRITE); + r = mprotect(p, mfd_def_size, PROT_READ | PROT_WRITE); if (r < 0) { printf("mprotect() failed: %m\n"); abort(); } *(char *)p = 0; - munmap(p, MFD_DEF_SIZE); + munmap(p, mfd_def_size); /* verify PUNCH_HOLE works */ r = fallocate(fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, - MFD_DEF_SIZE); + mfd_def_size); if (r < 0) { printf("fallocate(PUNCH_HOLE) failed: %m\n"); abort(); @@ -337,7 +379,7 @@ static void mfd_fail_write(int fd) /* verify PROT_READ | PROT_WRITE is not allowed */ p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ | PROT_WRITE, MAP_SHARED, fd, @@ -349,7 +391,7 @@ static void mfd_fail_write(int fd) /* verify PROT_WRITE is not allowed */ p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_WRITE, MAP_SHARED, fd, @@ -362,13 +404,13 @@ static void mfd_fail_write(int fd) /* Verify PROT_READ with MAP_SHARED with a following mprotect is not * allowed. Note that for r/w the kernel already prevents the mmap. */ p = mmap(NULL, - MFD_DEF_SIZE, + mfd_def_size, PROT_READ, MAP_SHARED, fd, 0); if (p != MAP_FAILED) { - r = mprotect(p, MFD_DEF_SIZE, PROT_READ | PROT_WRITE); + r = mprotect(p, mfd_def_size, PROT_READ | PROT_WRITE); if (r >= 0) { printf("mmap()+mprotect() didn't fail as expected\n"); abort(); @@ -379,7 +421,7 @@ static void mfd_fail_write(int fd) r = fallocate(fd, FALLOC_FL_PUNCH_HOLE | FALLOC_FL_KEEP_SIZE, 0, - MFD_DEF_SIZE); + mfd_def_size); if (r >= 0) { printf("fallocate(PUNCH_HOLE) didn't fail as expected\n"); abort(); @@ -390,13 +432,13 @@ static void mfd_assert_shrink(int fd) { int r, fd2; - r = ftruncate(fd, MFD_DEF_SIZE / 2); + r = ftruncate(fd, mfd_def_size / 2); if (r < 0) { printf("ftruncate(SHRINK) failed: %m\n"); abort(); } - mfd_assert_size(fd, MFD_DEF_SIZE / 2); + mfd_assert_size(fd, mfd_def_size / 2); fd2 = mfd_assert_open(fd, O_RDWR | O_CREAT | O_TRUNC, @@ -410,7 +452,7 @@ static void mfd_fail_shrink(int fd) { int r; - r = ftruncate(fd, MFD_DEF_SIZE / 2); + r = ftruncate(fd, mfd_def_size / 2); if (r >= 0) { printf("ftruncate(SHRINK) didn't fail as expected\n"); abort(); @@ -425,31 +467,31 @@ static void mfd_assert_grow(int fd) { int r; - r = ftruncate(fd, MFD_DEF_SIZE * 2); + r = ftruncate(fd, mfd_def_size * 2); if (r < 0) { printf("ftruncate(GROW) failed: %m\n"); abort(); } - mfd_assert_size(fd, MFD_DEF_SIZE * 2); + mfd_assert_size(fd, mfd_def_size * 2); r = fallocate(fd, 0, 0, - MFD_DEF_SIZE * 4); + mfd_def_size * 4); if (r < 0) { printf("fallocate(ALLOC) failed: %m\n"); abort(); } - mfd_assert_size(fd, MFD_DEF_SIZE * 4); + mfd_assert_size(fd, mfd_def_size * 4); } static void mfd_fail_grow(int fd) { int r; - r = ftruncate(fd, MFD_DEF_SIZE * 2); + r = ftruncate(fd, mfd_def_size * 2); if (r >= 0) { printf("ftruncate(GROW) didn't fail as expected\n"); abort(); @@ -458,7 +500,7 @@ static void mfd_fail_grow(int fd) r = fallocate(fd, 0, 0, - MFD_DEF_SIZE * 4); + mfd_def_size * 4); if (r >= 0) { printf("fallocate(ALLOC) didn't fail as expected\n"); abort(); @@ -467,25 +509,37 @@ static void mfd_fail_grow(int fd) static void mfd_assert_grow_write(int fd) { - static char buf[MFD_DEF_SIZE * 8]; + static char *buf; ssize_t l; - l = pwrite(fd, buf, sizeof(buf), 0); - if (l != sizeof(buf)) { + buf = malloc(mfd_def_size * 8); + if (!buf) { + printf("malloc(%d) failed: %m\n", mfd_def_size * 8); + abort(); + } + + l = pwrite(fd, buf, mfd_def_size * 8, 0); + if (l != (mfd_def_size * 8)) { printf("pwrite() failed: %m\n"); abort(); } - mfd_assert_size(fd, MFD_DEF_SIZE * 8); + mfd_assert_size(fd, mfd_def_size * 8); } static void mfd_fail_grow_write(int fd) { - static char buf[MFD_DEF_SIZE * 8]; + static char *buf; ssize_t l; - l = pwrite(fd, buf, sizeof(buf), 0); - if (l == sizeof(buf)) { + buf = malloc(mfd_def_size * 8); + if (!buf) { + printf("malloc(%d) failed: %m\n", mfd_def_size * 8); + abort(); + } + + l = pwrite(fd, buf, mfd_def_size * 8, 0); + if (l == (mfd_def_size * 8)) { printf("pwrite() didn't fail as expected\n"); abort(); } @@ -543,6 +597,8 @@ static void test_create(void) char buf[2048]; int fd; + printf("%s CREATE\n", MEMFD_STR); + /* test NULL name */ mfd_fail_new(NULL, 0); @@ -570,13 +626,18 @@ static void test_create(void) fd = mfd_assert_new("", 0, MFD_CLOEXEC); close(fd); - /* verify MFD_ALLOW_SEALING is allowed */ - fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING); - close(fd); - - /* verify MFD_ALLOW_SEALING | MFD_CLOEXEC is allowed */ - fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING | MFD_CLOEXEC); - close(fd); + if (!hugetlbfs_test) { + /* verify MFD_ALLOW_SEALING is allowed */ + fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING); + close(fd); + + /* verify MFD_ALLOW_SEALING | MFD_CLOEXEC is allowed */ + fd = mfd_assert_new("", 0, MFD_ALLOW_SEALING | MFD_CLOEXEC); + close(fd); + } else { + /* sealing is not supported on hugetlbfs */ + mfd_fail_new("", MFD_ALLOW_SEALING); + } } /* @@ -587,8 +648,14 @@ static void test_basic(void) { int fd; + /* hugetlbfs does not contain sealing support */ + if (hugetlbfs_test) + return; + + printf("%s BASIC\n", MEMFD_STR); + fd = mfd_assert_new("kern_memfd_basic", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); /* add basic seals */ @@ -619,7 +686,7 @@ static void test_basic(void) /* verify sealing does not work without MFD_ALLOW_SEALING */ fd = mfd_assert_new("kern_memfd_basic", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC); mfd_assert_has_seals(fd, F_SEAL_SEAL); mfd_fail_add_seals(fd, F_SEAL_SHRINK | @@ -630,6 +697,28 @@ static void test_basic(void) } /* + * hugetlbfs doesn't support seals or write, so just verify grow and shrink + * on a hugetlbfs file created via memfd_create. + */ +static void test_hugetlbfs_grow_shrink(void) +{ + int fd; + + printf("%s HUGETLBFS-GROW-SHRINK\n", MEMFD_STR); + + fd = mfd_assert_new("kern_memfd_seal_write", + mfd_def_size, + MFD_CLOEXEC); + + mfd_assert_read(fd); + mfd_assert_write(fd); + mfd_assert_shrink(fd); + mfd_assert_grow(fd); + + close(fd); +} + +/* * Test SEAL_WRITE * Test whether SEAL_WRITE actually prevents modifications. */ @@ -637,8 +726,17 @@ static void test_seal_write(void) { int fd; + /* + * hugetlbfs does not contain sealing or write support. Just test + * basic grow and shrink via test_hugetlbfs_grow_shrink. + */ + if (hugetlbfs_test) + return test_hugetlbfs_grow_shrink(); + + printf("%s SEAL-WRITE\n", MEMFD_STR); + fd = mfd_assert_new("kern_memfd_seal_write", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); mfd_assert_has_seals(fd, 0); mfd_assert_add_seals(fd, F_SEAL_WRITE); @@ -661,8 +759,14 @@ static void test_seal_shrink(void) { int fd; + /* hugetlbfs does not contain sealing support */ + if (hugetlbfs_test) + return; + + printf("%s SEAL-SHRINK\n", MEMFD_STR); + fd = mfd_assert_new("kern_memfd_seal_shrink", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); mfd_assert_has_seals(fd, 0); mfd_assert_add_seals(fd, F_SEAL_SHRINK); @@ -685,8 +789,14 @@ static void test_seal_grow(void) { int fd; + /* hugetlbfs does not contain sealing support */ + if (hugetlbfs_test) + return; + + printf("%s SEAL-GROW\n", MEMFD_STR); + fd = mfd_assert_new("kern_memfd_seal_grow", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); mfd_assert_has_seals(fd, 0); mfd_assert_add_seals(fd, F_SEAL_GROW); @@ -709,8 +819,14 @@ static void test_seal_resize(void) { int fd; + /* hugetlbfs does not contain sealing support */ + if (hugetlbfs_test) + return; + + printf("%s SEAL-RESIZE\n", MEMFD_STR); + fd = mfd_assert_new("kern_memfd_seal_resize", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); mfd_assert_has_seals(fd, 0); mfd_assert_add_seals(fd, F_SEAL_SHRINK | F_SEAL_GROW); @@ -726,15 +842,52 @@ static void test_seal_resize(void) } /* + * hugetlbfs does not support seals. Basic test to dup the memfd created + * fd and perform some basic operations on it. + */ +static void hugetlbfs_dup(char *b_suffix) +{ + int fd, fd2; + + printf("%s HUGETLBFS-DUP %s\n", MEMFD_STR, b_suffix); + + fd = mfd_assert_new("kern_memfd_share_dup", + mfd_def_size, + MFD_CLOEXEC); + + fd2 = mfd_assert_dup(fd); + + mfd_assert_read(fd); + mfd_assert_write(fd); + + mfd_assert_shrink(fd2); + mfd_assert_grow(fd2); + + close(fd2); + close(fd); +} + +/* * Test sharing via dup() * Test that seals are shared between dupped FDs and they're all equal. */ -static void test_share_dup(void) +static void test_share_dup(char *banner, char *b_suffix) { int fd, fd2; + /* + * hugetlbfs does not contain sealing support. Perform some + * basic testing on dup'ed fd instead via hugetlbfs_dup. + */ + if (hugetlbfs_test) { + hugetlbfs_dup(b_suffix); + return; + } + + printf("%s %s %s\n", MEMFD_STR, banner, b_suffix); + fd = mfd_assert_new("kern_memfd_share_dup", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); mfd_assert_has_seals(fd, 0); @@ -768,13 +921,19 @@ static void test_share_dup(void) * Test sealing with active mmap()s * Modifying seals is only allowed if no other mmap() refs exist. */ -static void test_share_mmap(void) +static void test_share_mmap(char *banner, char *b_suffix) { int fd; void *p; + /* hugetlbfs does not contain sealing support */ + if (hugetlbfs_test) + return; + + printf("%s %s %s\n", MEMFD_STR, banner, b_suffix); + fd = mfd_assert_new("kern_memfd_share_mmap", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); mfd_assert_has_seals(fd, 0); @@ -784,14 +943,40 @@ static void test_share_mmap(void) mfd_assert_has_seals(fd, 0); mfd_assert_add_seals(fd, F_SEAL_SHRINK); mfd_assert_has_seals(fd, F_SEAL_SHRINK); - munmap(p, MFD_DEF_SIZE); + munmap(p, mfd_def_size); /* readable ref allows sealing */ p = mfd_assert_mmap_private(fd); mfd_assert_add_seals(fd, F_SEAL_WRITE); mfd_assert_has_seals(fd, F_SEAL_WRITE | F_SEAL_SHRINK); - munmap(p, MFD_DEF_SIZE); + munmap(p, mfd_def_size); + + close(fd); +} + +/* + * Basic test to make sure we can open the hugetlbfs fd via /proc and + * perform some simple operations on it. + */ +static void hugetlbfs_proc_open(char *b_suffix) +{ + int fd, fd2; + + printf("%s HUGETLBFS-PROC-OPEN %s\n", MEMFD_STR, b_suffix); + fd = mfd_assert_new("kern_memfd_share_open", + mfd_def_size, + MFD_CLOEXEC); + + fd2 = mfd_assert_open(fd, O_RDWR, 0); + + mfd_assert_read(fd); + mfd_assert_write(fd); + + mfd_assert_shrink(fd2); + mfd_assert_grow(fd2); + + close(fd2); close(fd); } @@ -801,12 +986,23 @@ static void test_share_mmap(void) * This is *not* like dup(), but like a real separate open(). Make sure the * semantics are as expected and we correctly check for RDONLY / WRONLY / RDWR. */ -static void test_share_open(void) +static void test_share_open(char *banner, char *b_suffix) { int fd, fd2; + /* + * hugetlbfs does not contain sealing support. So test basic + * functionality of using /proc fd via hugetlbfs_proc_open + */ + if (hugetlbfs_test) { + hugetlbfs_proc_open(b_suffix); + return; + } + + printf("%s %s %s\n", MEMFD_STR, banner, b_suffix); + fd = mfd_assert_new("kern_memfd_share_open", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); mfd_assert_has_seals(fd, 0); @@ -841,13 +1037,19 @@ static void test_share_open(void) * Test sharing via fork() * Test whether seal-modifications work as expected with forked childs. */ -static void test_share_fork(void) +static void test_share_fork(char *banner, char *b_suffix) { int fd; pid_t pid; + /* hugetlbfs does not contain sealing support */ + if (hugetlbfs_test) + return; + + printf("%s %s %s\n", MEMFD_STR, banner, b_suffix); + fd = mfd_assert_new("kern_memfd_share_fork", - MFD_DEF_SIZE, + mfd_def_size, MFD_CLOEXEC | MFD_ALLOW_SEALING); mfd_assert_has_seals(fd, 0); @@ -870,40 +1072,40 @@ int main(int argc, char **argv) { pid_t pid; - printf("memfd: CREATE\n"); + if (argc == 2) { + if (!strcmp(argv[1], "hugetlbfs")) { + unsigned long hpage_size = default_huge_page_size(); + + if (!hpage_size) { + printf("Unable to determine huge page size\n"); + abort(); + } + + hugetlbfs_test = 1; + mfd_def_size = hpage_size * 2; + } + } + test_create(); - printf("memfd: BASIC\n"); test_basic(); - printf("memfd: SEAL-WRITE\n"); test_seal_write(); - printf("memfd: SEAL-SHRINK\n"); test_seal_shrink(); - printf("memfd: SEAL-GROW\n"); test_seal_grow(); - printf("memfd: SEAL-RESIZE\n"); test_seal_resize(); - printf("memfd: SHARE-DUP\n"); - test_share_dup(); - printf("memfd: SHARE-MMAP\n"); - test_share_mmap(); - printf("memfd: SHARE-OPEN\n"); - test_share_open(); - printf("memfd: SHARE-FORK\n"); - test_share_fork(); + test_share_dup("SHARE-DUP", ""); + test_share_mmap("SHARE-MMAP", ""); + test_share_open("SHARE-OPEN", ""); + test_share_fork("SHARE-FORK", ""); /* Run test-suite in a multi-threaded environment with a shared * file-table. */ pid = spawn_idle_thread(CLONE_FILES | CLONE_FS | CLONE_VM); - printf("memfd: SHARE-DUP (shared file-table)\n"); - test_share_dup(); - printf("memfd: SHARE-MMAP (shared file-table)\n"); - test_share_mmap(); - printf("memfd: SHARE-OPEN (shared file-table)\n"); - test_share_open(); - printf("memfd: SHARE-FORK (shared file-table)\n"); - test_share_fork(); + test_share_dup("SHARE-DUP", SHARED_FT_STR); + test_share_mmap("SHARE-MMAP", SHARED_FT_STR); + test_share_open("SHARE-OPEN", SHARED_FT_STR); + test_share_fork("SHARE-FORK", SHARED_FT_STR); join_idle_thread(pid); printf("memfd: DONE\n"); diff --git a/tools/testing/selftests/memfd/run_tests.sh b/tools/testing/selftests/memfd/run_tests.sh new file mode 100644 index 000000000000..daabb350697c --- /dev/null +++ b/tools/testing/selftests/memfd/run_tests.sh @@ -0,0 +1,69 @@ +#!/bin/bash +# please run as root + +# +# Normal tests requiring no special resources +# +./run_fuse_test.sh +./memfd_test + +# +# To test memfd_create with hugetlbfs, there needs to be hpages_test +# huge pages free. Attempt to allocate enough pages to test. +# +hpages_test=8 + +# +# Get count of free huge pages from /proc/meminfo +# +while read name size unit; do + if [ "$name" = "HugePages_Free:" ]; then + freepgs=$size + fi +done < /proc/meminfo + +# +# If not enough free huge pages for test, attempt to increase +# +if [ -n "$freepgs" ] && [ $freepgs -lt $hpages_test ]; then + nr_hugepgs=`cat /proc/sys/vm/nr_hugepages` + hpages_needed=`expr $hpages_test - $freepgs` + + echo 3 > /proc/sys/vm/drop_caches + echo $(( $hpages_needed + $nr_hugepgs )) > /proc/sys/vm/nr_hugepages + if [ $? -ne 0 ]; then + echo "Please run this test as root" + exit 1 + fi + while read name size unit; do + if [ "$name" = "HugePages_Free:" ]; then + freepgs=$size + fi + done < /proc/meminfo +fi + +# +# If still not enough huge pages available, exit. But, give back any huge +# pages potentially allocated above. +# +if [ $freepgs -lt $hpages_test ]; then + # nr_hugepgs non-zero only if we attempted to increase + if [ -n "$nr_hugepgs" ]; then + echo $nr_hugepgs > /proc/sys/vm/nr_hugepages + fi + printf "Not enough huge pages available (%d < %d)\n" \ + $freepgs $needpgs + exit 1 +fi + +# +# Run the hugetlbfs test +# +./memfd_test hugetlbfs + +# +# Give back any huge pages allocated for the test +# +if [ -n "$nr_hugepgs" ]; then + echo $nr_hugepgs > /proc/sys/vm/nr_hugepages +fi diff --git a/tools/testing/selftests/nsfs/config b/tools/testing/selftests/nsfs/config new file mode 100644 index 000000000000..598d0a225fc9 --- /dev/null +++ b/tools/testing/selftests/nsfs/config @@ -0,0 +1,3 @@ +CONFIG_USER_NS=y +CONFIG_UTS_NS=y +CONFIG_PID_NS=y diff --git a/tools/testing/selftests/powerpc/ptrace/Makefile b/tools/testing/selftests/powerpc/ptrace/Makefile index fe6bc60dfc60..8932263e5a74 100644 --- a/tools/testing/selftests/powerpc/ptrace/Makefile +++ b/tools/testing/selftests/powerpc/ptrace/Makefile @@ -6,7 +6,7 @@ include ../../lib.mk all: $(TEST_PROGS) -CFLAGS += -m64 -I../../../../../usr/include -I../tm -mhtm +CFLAGS += -m64 -I../../../../../usr/include -I../tm -mhtm -fno-pie $(TEST_PROGS): ../harness.c ../utils.c ../lib/reg.S ptrace.h diff --git a/tools/testing/selftests/powerpc/switch_endian/switch_endian_test.S b/tools/testing/selftests/powerpc/switch_endian/switch_endian_test.S index ef7c971abb67..bceb53f57573 100644 --- a/tools/testing/selftests/powerpc/switch_endian/switch_endian_test.S +++ b/tools/testing/selftests/powerpc/switch_endian/switch_endian_test.S @@ -8,7 +8,7 @@ message: .section ".toc" .balign 8 pattern: - .llong 0x5555AAAA5555AAAA + .8byte 0x5555AAAA5555AAAA .text FUNC_START(_start) diff --git a/tools/testing/selftests/powerpc/tm/Makefile b/tools/testing/selftests/powerpc/tm/Makefile index 958c11c14acd..7bfcd454fb2a 100644 --- a/tools/testing/selftests/powerpc/tm/Makefile +++ b/tools/testing/selftests/powerpc/tm/Makefile @@ -15,6 +15,7 @@ $(OUTPUT)/tm-syscall: tm-syscall-asm.S $(OUTPUT)/tm-syscall: CFLAGS += -I../../../../../usr/include $(OUTPUT)/tm-tmspr: CFLAGS += -pthread $(OUTPUT)/tm-vmx-unavail: CFLAGS += -pthread -m64 +$(OUTPUT)/tm-resched-dscr: ../pmu/lib.o SIGNAL_CONTEXT_CHK_TESTS := $(patsubst %,$(OUTPUT)/%,$(SIGNAL_CONTEXT_CHK_TESTS)) $(SIGNAL_CONTEXT_CHK_TESTS): tm-signal.S diff --git a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c index e79ccd6aada1..a7ac2e4c60d9 100644 --- a/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c +++ b/tools/testing/selftests/powerpc/tm/tm-resched-dscr.c @@ -30,6 +30,7 @@ #include "utils.h" #include "tm.h" +#include "../pmu/lib.h" #define SPRN_DSCR 0x03 @@ -75,8 +76,6 @@ int test_body(void) ); assert(rv); /* make sure the transaction aborted */ if ((texasr >> 56) != TM_CAUSE_RESCHED) { - putchar('.'); - fflush(stdout); continue; } if (dscr2 != dscr1) { @@ -89,7 +88,12 @@ int test_body(void) } } -int main(void) +static int tm_resched_dscr(void) { - return test_harness(test_body, "tm_resched_dscr"); + return eat_cpu(test_body); +} + +int main(int argc, const char *argv[]) +{ + return test_harness(tm_resched_dscr, "tm_resched_dscr"); } diff --git a/tools/testing/selftests/pstore/.gitignore b/tools/testing/selftests/pstore/.gitignore new file mode 100644 index 000000000000..5a4a26e5464b --- /dev/null +++ b/tools/testing/selftests/pstore/.gitignore @@ -0,0 +1,2 @@ +logs +*uuid diff --git a/tools/testing/selftests/ptp/Makefile b/tools/testing/selftests/ptp/Makefile index 83dd42b2129e..d4064c742c26 100644 --- a/tools/testing/selftests/ptp/Makefile +++ b/tools/testing/selftests/ptp/Makefile @@ -1,3 +1,4 @@ +CFLAGS += -I../../../../usr/include/ TEST_PROGS := testptp LDLIBS += -lrt all: $(TEST_PROGS) diff --git a/tools/testing/selftests/seccomp/seccomp_bpf.c b/tools/testing/selftests/seccomp/seccomp_bpf.c index 73f5ea6778ce..4d6f92a9df6b 100644 --- a/tools/testing/selftests/seccomp/seccomp_bpf.c +++ b/tools/testing/selftests/seccomp/seccomp_bpf.c @@ -107,7 +107,7 @@ TEST(mode_strict_support) ASSERT_EQ(0, ret) { TH_LOG("Kernel does not support CONFIG_SECCOMP"); } - syscall(__NR_exit, 1); + syscall(__NR_exit, 0); } TEST_SIGNAL(mode_strict_cannot_call_prctl, SIGKILL) diff --git a/tools/testing/selftests/sigaltstack/sas.c b/tools/testing/selftests/sigaltstack/sas.c index ccd07343d418..7d406c3973ba 100644 --- a/tools/testing/selftests/sigaltstack/sas.c +++ b/tools/testing/selftests/sigaltstack/sas.c @@ -17,6 +17,8 @@ #include <assert.h> #include <errno.h> +#include "../kselftest.h" + #ifndef SS_AUTODISARM #define SS_AUTODISARM (1U << 31) #endif @@ -41,8 +43,7 @@ void my_usr1(int sig, siginfo_t *si, void *u) if (sp < (unsigned long)sstack || sp >= (unsigned long)sstack + SIGSTKSZ) { - printf("[FAIL]\tSP is not on sigaltstack\n"); - exit(EXIT_FAILURE); + ksft_exit_fail_msg("SP is not on sigaltstack\n"); } /* put some data on stack. other sighandler will try to overwrite it */ aa = alloca(1024); @@ -50,21 +51,22 @@ void my_usr1(int sig, siginfo_t *si, void *u) p = (struct stk_data *)(aa + 512); strcpy(p->msg, msg); p->flag = 1; - printf("[RUN]\tsignal USR1\n"); + ksft_print_msg("[RUN]\tsignal USR1\n"); err = sigaltstack(NULL, &stk); if (err) { - perror("[FAIL]\tsigaltstack()"); + ksft_exit_fail_msg("sigaltstack() - %s\n", strerror(errno)); exit(EXIT_FAILURE); } if (stk.ss_flags != SS_DISABLE) - printf("[FAIL]\tss_flags=%x, should be SS_DISABLE\n", + ksft_test_result_fail("tss_flags=%x, should be SS_DISABLE\n", stk.ss_flags); else - printf("[OK]\tsigaltstack is disabled in sighandler\n"); + ksft_test_result_pass( + "sigaltstack is disabled in sighandler\n"); swapcontext(&sc, &uc); - printf("%s\n", p->msg); + ksft_print_msg("%s\n", p->msg); if (!p->flag) { - printf("[RUN]\tAborting\n"); + ksft_exit_skip("[RUN]\tAborting\n"); exit(EXIT_FAILURE); } } @@ -74,13 +76,13 @@ void my_usr2(int sig, siginfo_t *si, void *u) char *aa; struct stk_data *p; - printf("[RUN]\tsignal USR2\n"); + ksft_print_msg("[RUN]\tsignal USR2\n"); aa = alloca(1024); /* dont run valgrind on this */ /* try to find the data stored by previous sighandler */ p = memmem(aa, 1024, msg, strlen(msg)); if (p) { - printf("[FAIL]\tsigaltstack re-used\n"); + ksft_test_result_fail("sigaltstack re-used\n"); /* corrupt the data */ strcpy(p->msg, msg2); /* tell other sighandler that his data is corrupted */ @@ -90,7 +92,7 @@ void my_usr2(int sig, siginfo_t *si, void *u) static void switch_fn(void) { - printf("[RUN]\tswitched to user ctx\n"); + ksft_print_msg("[RUN]\tswitched to user ctx\n"); raise(SIGUSR2); setcontext(&sc); } @@ -101,6 +103,8 @@ int main(void) stack_t stk; int err; + ksft_print_header(); + sigemptyset(&act.sa_mask); act.sa_flags = SA_ONSTACK | SA_SIGINFO; act.sa_sigaction = my_usr1; @@ -110,19 +114,20 @@ int main(void) sstack = mmap(NULL, SIGSTKSZ, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0); if (sstack == MAP_FAILED) { - perror("mmap()"); + ksft_exit_fail_msg("mmap() - %s\n", strerror(errno)); return EXIT_FAILURE; } err = sigaltstack(NULL, &stk); if (err) { - perror("[FAIL]\tsigaltstack()"); + ksft_exit_fail_msg("sigaltstack() - %s\n", strerror(errno)); exit(EXIT_FAILURE); } if (stk.ss_flags == SS_DISABLE) { - printf("[OK]\tInitial sigaltstack state was SS_DISABLE\n"); + ksft_test_result_pass( + "Initial sigaltstack state was SS_DISABLE\n"); } else { - printf("[FAIL]\tInitial sigaltstack state was %x; " + ksft_exit_fail_msg("Initial sigaltstack state was %x; " "should have been SS_DISABLE\n", stk.ss_flags); return EXIT_FAILURE; } @@ -133,7 +138,8 @@ int main(void) err = sigaltstack(&stk, NULL); if (err) { if (errno == EINVAL) { - printf("[NOTE]\tThe running kernel doesn't support SS_AUTODISARM\n"); + ksft_exit_skip( + "[NOTE]\tThe running kernel doesn't support SS_AUTODISARM\n"); /* * If test cases for the !SS_AUTODISARM variant were * added, we could still run them. We don't have any @@ -142,7 +148,9 @@ int main(void) */ return 0; } else { - perror("[FAIL]\tsigaltstack(SS_ONSTACK | SS_AUTODISARM)"); + ksft_exit_fail_msg( + "sigaltstack(SS_ONSTACK | SS_AUTODISARM) %s\n", + strerror(errno)); return EXIT_FAILURE; } } @@ -150,7 +158,7 @@ int main(void) ustack = mmap(NULL, SIGSTKSZ, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_STACK, -1, 0); if (ustack == MAP_FAILED) { - perror("mmap()"); + ksft_exit_fail_msg("mmap() - %s\n", strerror(errno)); return EXIT_FAILURE; } getcontext(&uc); @@ -162,16 +170,17 @@ int main(void) err = sigaltstack(NULL, &stk); if (err) { - perror("[FAIL]\tsigaltstack()"); + ksft_exit_fail_msg("sigaltstack() - %s\n", strerror(errno)); exit(EXIT_FAILURE); } if (stk.ss_flags != SS_AUTODISARM) { - printf("[FAIL]\tss_flags=%x, should be SS_AUTODISARM\n", + ksft_exit_fail_msg("ss_flags=%x, should be SS_AUTODISARM\n", stk.ss_flags); exit(EXIT_FAILURE); } - printf("[OK]\tsigaltstack is still SS_AUTODISARM after signal\n"); + ksft_test_result_pass( + "sigaltstack is still SS_AUTODISARM after signal\n"); - printf("[OK]\tTest passed\n"); + ksft_exit_pass(); return 0; } diff --git a/tools/testing/selftests/splice/.gitignore b/tools/testing/selftests/splice/.gitignore new file mode 100644 index 000000000000..1e23fefd68e8 --- /dev/null +++ b/tools/testing/selftests/splice/.gitignore @@ -0,0 +1 @@ +default_file_splice_read diff --git a/tools/testing/selftests/splice/Makefile b/tools/testing/selftests/splice/Makefile index 9fc78e5e5451..7e1187e007fa 100644 --- a/tools/testing/selftests/splice/Makefile +++ b/tools/testing/selftests/splice/Makefile @@ -1,7 +1,4 @@ TEST_PROGS := default_file_splice_read.sh -EXTRA := default_file_splice_read -all: $(TEST_PROGS) $(EXTRA) +TEST_GEN_PROGS_EXTENDED := default_file_splice_read include ../lib.mk - -EXTRA_CLEAN := $(EXTRA) diff --git a/tools/testing/selftests/sync/sync_test.c b/tools/testing/selftests/sync/sync_test.c index 62fa666e501a..7f7938263c5c 100644 --- a/tools/testing/selftests/sync/sync_test.c +++ b/tools/testing/selftests/sync/sync_test.c @@ -31,62 +31,83 @@ #include <sys/types.h> #include <sys/stat.h> #include <sys/wait.h> +#include <errno.h> +#include <string.h> +#include "../kselftest.h" #include "synctest.h" static int run_test(int (*test)(void), char *name) { int result; pid_t childpid; + int ret; fflush(stdout); childpid = fork(); if (childpid) { waitpid(childpid, &result, 0); - if (WIFEXITED(result)) - return WEXITSTATUS(result); + if (WIFEXITED(result)) { + ret = WEXITSTATUS(result); + if (!ret) + ksft_test_result_pass("[RUN]\t%s\n", name); + else + ksft_test_result_fail("[RUN]\t%s\n", name); + return ret; + } return 1; } - printf("[RUN]\tExecuting %s\n", name); exit(test()); } -static int sync_api_supported(void) +static void sync_api_supported(void) { struct stat sbuf; + int ret; - return 0 == stat("/sys/kernel/debug/sync/sw_sync", &sbuf); + ret = stat("/sys/kernel/debug/sync/sw_sync", &sbuf); + if (!ret) + return; + + if (errno == ENOENT) + ksft_exit_skip("Sync framework not supported by kernel\n"); + + if (errno == EACCES) + ksft_exit_skip("Run Sync test as root.\n"); + + ksft_exit_fail_msg("stat failed on /sys/kernel/debug/sync/sw_sync: %s", + strerror(errno)); } int main(void) { - int err = 0; + int err; - if (!sync_api_supported()) { - printf("SKIP: Sync framework not supported by kernel\n"); - return 0; - } + ksft_print_header(); + + sync_api_supported(); - printf("[RUN]\tTesting sync framework\n"); + ksft_print_msg("[RUN]\tTesting sync framework\n"); - err += RUN_TEST(test_alloc_timeline); - err += RUN_TEST(test_alloc_fence); - err += RUN_TEST(test_alloc_fence_negative); + RUN_TEST(test_alloc_timeline); + RUN_TEST(test_alloc_fence); + RUN_TEST(test_alloc_fence_negative); - err += RUN_TEST(test_fence_one_timeline_wait); - err += RUN_TEST(test_fence_one_timeline_merge); - err += RUN_TEST(test_fence_merge_same_fence); - err += RUN_TEST(test_fence_multi_timeline_wait); - err += RUN_TEST(test_stress_two_threads_shared_timeline); - err += RUN_TEST(test_consumer_stress_multi_producer_single_consumer); - err += RUN_TEST(test_merge_stress_random_merge); + RUN_TEST(test_fence_one_timeline_wait); + RUN_TEST(test_fence_one_timeline_merge); + RUN_TEST(test_fence_merge_same_fence); + RUN_TEST(test_fence_multi_timeline_wait); + RUN_TEST(test_stress_two_threads_shared_timeline); + RUN_TEST(test_consumer_stress_multi_producer_single_consumer); + RUN_TEST(test_merge_stress_random_merge); + err = ksft_get_fail_cnt(); if (err) - printf("[FAIL]\tsync errors: %d\n", err); - else - printf("[OK]\tsync\n"); + ksft_exit_fail_msg("%d out of %d sync tests failed\n", + err, ksft_test_num()); - return !!err; + /* need this return to keep gcc happy */ + return ksft_exit_pass(); } diff --git a/tools/testing/selftests/sync/synctest.h b/tools/testing/selftests/sync/synctest.h index e7d1d57dba7a..90a8e5369914 100644 --- a/tools/testing/selftests/sync/synctest.h +++ b/tools/testing/selftests/sync/synctest.h @@ -29,10 +29,11 @@ #define SELFTESTS_SYNCTEST_H #include <stdio.h> +#include "../kselftest.h" #define ASSERT(cond, msg) do { \ if (!(cond)) { \ - printf("[ERROR]\t%s", (msg)); \ + ksft_print_msg("[ERROR]\t%s", (msg)); \ return 1; \ } \ } while (0) diff --git a/tools/testing/selftests/timers/Makefile b/tools/testing/selftests/timers/Makefile index a9b86133b9b3..ae4593115408 100644 --- a/tools/testing/selftests/timers/Makefile +++ b/tools/testing/selftests/timers/Makefile @@ -1,5 +1,4 @@ -BUILD_FLAGS = -DKTEST -CFLAGS += -O3 -Wl,-no-as-needed -Wall $(BUILD_FLAGS) +CFLAGS += -O3 -Wl,-no-as-needed -Wall LDFLAGS += -lrt -lpthread -lm # these are all "safe" tests that don't modify @@ -7,9 +6,11 @@ LDFLAGS += -lrt -lpthread -lm TEST_GEN_PROGS = posix_timers nanosleep nsleep-lat set-timer-lat mqueue-lat \ inconsistency-check raw_skew threadtest rtctest -TEST_GEN_PROGS_EXTENDED = alarmtimer-suspend valid-adjtimex adjtick change_skew \ +DESTRUCTIVE_TESTS = alarmtimer-suspend valid-adjtimex adjtick change_skew \ skew_consistency clocksource-switch freq-step leap-a-day \ - leapcrash set-tai set-2038 set-tz rtctest_setdate + leapcrash set-tai set-2038 set-tz + +TEST_GEN_PROGS_EXTENDED = $(DESTRUCTIVE_TESTS) rtctest_setdate include ../lib.mk @@ -18,16 +19,4 @@ include ../lib.mk # and may modify the system time or trigger # other behavior like suspend run_destructive_tests: run_tests - ./alarmtimer-suspend - ./valid-adjtimex - ./adjtick - ./change_skew - ./skew_consistency - ./clocksource-switch - ./freq-step - ./leap-a-day -s -i 10 - ./leapcrash - ./set-tz - ./set-tai - ./set-2038 - + $(call RUN_TESTS, $(DESTRUCTIVE_TESTS)) diff --git a/tools/testing/selftests/timers/adjtick.c b/tools/testing/selftests/timers/adjtick.c index 9887fd538fec..0caca3a06bd2 100644 --- a/tools/testing/selftests/timers/adjtick.c +++ b/tools/testing/selftests/timers/adjtick.c @@ -23,18 +23,7 @@ #include <sys/timex.h> #include <time.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define CLOCK_MONOTONIC_RAW 4 diff --git a/tools/testing/selftests/timers/alarmtimer-suspend.c b/tools/testing/selftests/timers/alarmtimer-suspend.c index 2b361b830395..4da09dbf83ba 100644 --- a/tools/testing/selftests/timers/alarmtimer-suspend.c +++ b/tools/testing/selftests/timers/alarmtimer-suspend.c @@ -28,18 +28,7 @@ #include <signal.h> #include <stdlib.h> #include <pthread.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define CLOCK_REALTIME 0 #define CLOCK_MONOTONIC 1 diff --git a/tools/testing/selftests/timers/change_skew.c b/tools/testing/selftests/timers/change_skew.c index cb1968977c04..c4eab7124990 100644 --- a/tools/testing/selftests/timers/change_skew.c +++ b/tools/testing/selftests/timers/change_skew.c @@ -28,18 +28,7 @@ #include <sys/time.h> #include <sys/timex.h> #include <time.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define NSEC_PER_SEC 1000000000LL diff --git a/tools/testing/selftests/timers/clocksource-switch.c b/tools/testing/selftests/timers/clocksource-switch.c index 5ff165373f8b..bfc974b4572d 100644 --- a/tools/testing/selftests/timers/clocksource-switch.c +++ b/tools/testing/selftests/timers/clocksource-switch.c @@ -34,18 +34,7 @@ #include <fcntl.h> #include <string.h> #include <sys/wait.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif int get_clocksources(char list[][30]) @@ -61,7 +50,7 @@ int get_clocksources(char list[][30]) close(fd); - for (i = 0; i < 30; i++) + for (i = 0; i < 10; i++) list[i][0] = '\0'; head = buf; diff --git a/tools/testing/selftests/timers/inconsistency-check.c b/tools/testing/selftests/timers/inconsistency-check.c index 74c60e8759a0..022d3ffe3fbf 100644 --- a/tools/testing/selftests/timers/inconsistency-check.c +++ b/tools/testing/selftests/timers/inconsistency-check.c @@ -28,18 +28,7 @@ #include <sys/timex.h> #include <string.h> #include <signal.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define CALLS_PER_LOOP 64 #define NSEC_PER_SEC 1000000000ULL diff --git a/tools/testing/selftests/timers/leap-a-day.c b/tools/testing/selftests/timers/leap-a-day.c index fb46ad6ac92c..19e46ed5dfb5 100644 --- a/tools/testing/selftests/timers/leap-a-day.c +++ b/tools/testing/selftests/timers/leap-a-day.c @@ -48,18 +48,7 @@ #include <string.h> #include <signal.h> #include <unistd.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define NSEC_PER_SEC 1000000000ULL #define CLOCK_TAI 11 @@ -190,18 +179,18 @@ int main(int argc, char **argv) struct sigevent se; struct sigaction act; int signum = SIGRTMAX; - int settime = 0; + int settime = 1; int tai_time = 0; int insert = 1; - int iterations = -1; + int iterations = 10; int opt; /* Process arguments */ while ((opt = getopt(argc, argv, "sti:")) != -1) { switch (opt) { - case 's': - printf("Setting time to speed up testing\n"); - settime = 1; + case 'w': + printf("Only setting leap-flag, not changing time. It could take up to a day for leap to trigger.\n"); + settime = 0; break; case 'i': iterations = atoi(optarg); @@ -210,9 +199,10 @@ int main(int argc, char **argv) tai_time = 1; break; default: - printf("Usage: %s [-s] [-i <iterations>]\n", argv[0]); - printf(" -s: Set time to right before leap second each iteration\n"); - printf(" -i: Number of iterations\n"); + printf("Usage: %s [-w] [-i <iterations>]\n", argv[0]); + printf(" -w: Set flag and wait for leap second each iteration"); + printf(" (default sets time to right before leapsecond)\n"); + printf(" -i: Number of iterations (-1 = infinite, default is 10)\n"); printf(" -t: Print TAI time\n"); exit(-1); } diff --git a/tools/testing/selftests/timers/leapcrash.c b/tools/testing/selftests/timers/leapcrash.c index a1071bdbdeb7..830c462f605d 100644 --- a/tools/testing/selftests/timers/leapcrash.c +++ b/tools/testing/selftests/timers/leapcrash.c @@ -22,20 +22,7 @@ #include <sys/timex.h> #include <string.h> #include <signal.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif - - /* clear NTP time_status & time_state */ int clear_time_state(void) diff --git a/tools/testing/selftests/timers/mqueue-lat.c b/tools/testing/selftests/timers/mqueue-lat.c index a2a3924d0b41..1867db5d6f5e 100644 --- a/tools/testing/selftests/timers/mqueue-lat.c +++ b/tools/testing/selftests/timers/mqueue-lat.c @@ -29,18 +29,7 @@ #include <signal.h> #include <errno.h> #include <mqueue.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define NSEC_PER_SEC 1000000000ULL diff --git a/tools/testing/selftests/timers/nanosleep.c b/tools/testing/selftests/timers/nanosleep.c index ff942ff7c9b3..8adb0bb51d4d 100644 --- a/tools/testing/selftests/timers/nanosleep.c +++ b/tools/testing/selftests/timers/nanosleep.c @@ -27,18 +27,7 @@ #include <sys/timex.h> #include <string.h> #include <signal.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define NSEC_PER_SEC 1000000000ULL diff --git a/tools/testing/selftests/timers/nsleep-lat.c b/tools/testing/selftests/timers/nsleep-lat.c index 2d7898fda0f1..c3c3dc10db17 100644 --- a/tools/testing/selftests/timers/nsleep-lat.c +++ b/tools/testing/selftests/timers/nsleep-lat.c @@ -24,18 +24,7 @@ #include <sys/timex.h> #include <string.h> #include <signal.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define NSEC_PER_SEC 1000000000ULL diff --git a/tools/testing/selftests/timers/raw_skew.c b/tools/testing/selftests/timers/raw_skew.c index 30906bfd9c1b..ca6cd146aafe 100644 --- a/tools/testing/selftests/timers/raw_skew.c +++ b/tools/testing/selftests/timers/raw_skew.c @@ -25,19 +25,7 @@ #include <sys/time.h> #include <sys/timex.h> #include <time.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif - #define CLOCK_MONOTONIC_RAW 4 #define NSEC_PER_SEC 1000000000LL diff --git a/tools/testing/selftests/timers/rtctest.c b/tools/testing/selftests/timers/rtctest.c index f61170f7b024..411eff625e66 100644 --- a/tools/testing/selftests/timers/rtctest.c +++ b/tools/testing/selftests/timers/rtctest.c @@ -221,6 +221,11 @@ test_READ: /* Read the current alarm settings */ retval = ioctl(fd, RTC_ALM_READ, &rtc_tm); if (retval == -1) { + if (errno == EINVAL) { + fprintf(stderr, + "\n...EINVAL reading current alarm setting.\n"); + goto test_PIE; + } perror("RTC_ALM_READ ioctl"); exit(errno); } @@ -231,7 +236,7 @@ test_READ: /* Enable alarm interrupts */ retval = ioctl(fd, RTC_AIE_ON, 0); if (retval == -1) { - if (errno == EINVAL) { + if (errno == EINVAL || errno == EIO) { fprintf(stderr, "\n...Alarm IRQs not supported.\n"); goto test_PIE; diff --git a/tools/testing/selftests/timers/set-2038.c b/tools/testing/selftests/timers/set-2038.c index c8a7e14446b1..688cfd81b531 100644 --- a/tools/testing/selftests/timers/set-2038.c +++ b/tools/testing/selftests/timers/set-2038.c @@ -27,18 +27,7 @@ #include <unistd.h> #include <time.h> #include <sys/time.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define NSEC_PER_SEC 1000000000LL diff --git a/tools/testing/selftests/timers/set-tai.c b/tools/testing/selftests/timers/set-tai.c index dc88dbc8831f..70fed27d8fd3 100644 --- a/tools/testing/selftests/timers/set-tai.c +++ b/tools/testing/selftests/timers/set-tai.c @@ -23,18 +23,7 @@ #include <string.h> #include <signal.h> #include <unistd.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif int set_tai(int offset) { diff --git a/tools/testing/selftests/timers/set-timer-lat.c b/tools/testing/selftests/timers/set-timer-lat.c index 15434da23b04..9c92b7bd5641 100644 --- a/tools/testing/selftests/timers/set-timer-lat.c +++ b/tools/testing/selftests/timers/set-timer-lat.c @@ -28,18 +28,7 @@ #include <signal.h> #include <stdlib.h> #include <pthread.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define CLOCK_REALTIME 0 #define CLOCK_MONOTONIC 1 diff --git a/tools/testing/selftests/timers/set-tz.c b/tools/testing/selftests/timers/set-tz.c index f4184928b16b..877fd5532fee 100644 --- a/tools/testing/selftests/timers/set-tz.c +++ b/tools/testing/selftests/timers/set-tz.c @@ -23,18 +23,7 @@ #include <string.h> #include <signal.h> #include <unistd.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif int set_tz(int min, int dst) { diff --git a/tools/testing/selftests/timers/skew_consistency.c b/tools/testing/selftests/timers/skew_consistency.c index 2a996e072259..022b711c78ee 100644 --- a/tools/testing/selftests/timers/skew_consistency.c +++ b/tools/testing/selftests/timers/skew_consistency.c @@ -35,18 +35,7 @@ #include <stdlib.h> #include <string.h> #include <sys/wait.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define NSEC_PER_SEC 1000000000LL diff --git a/tools/testing/selftests/timers/threadtest.c b/tools/testing/selftests/timers/threadtest.c index e632e116f05e..759c9c06f1a0 100644 --- a/tools/testing/selftests/timers/threadtest.c +++ b/tools/testing/selftests/timers/threadtest.c @@ -21,19 +21,7 @@ #include <stdlib.h> #include <sys/time.h> #include <pthread.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif - /* serializes shared list access */ pthread_mutex_t list_lock = PTHREAD_MUTEX_INITIALIZER; diff --git a/tools/testing/selftests/timers/valid-adjtimex.c b/tools/testing/selftests/timers/valid-adjtimex.c index 60fe3c569bd9..d9d3ab93b31a 100644 --- a/tools/testing/selftests/timers/valid-adjtimex.c +++ b/tools/testing/selftests/timers/valid-adjtimex.c @@ -32,18 +32,7 @@ #include <string.h> #include <signal.h> #include <unistd.h> -#ifdef KTEST #include "../kselftest.h" -#else -static inline int ksft_exit_pass(void) -{ - exit(0); -} -static inline int ksft_exit_fail(void) -{ - exit(1); -} -#endif #define NSEC_PER_SEC 1000000000LL #define USEC_PER_SEC 1000000LL diff --git a/tools/testing/selftests/vm/userfaultfd.c b/tools/testing/selftests/vm/userfaultfd.c index 1eae79ae5b4e..a2c53a3d223d 100644 --- a/tools/testing/selftests/vm/userfaultfd.c +++ b/tools/testing/selftests/vm/userfaultfd.c @@ -66,6 +66,8 @@ #include <sys/wait.h> #include <pthread.h> #include <linux/userfaultfd.h> +#include <setjmp.h> +#include <stdbool.h> #ifdef __NR_userfaultfd @@ -82,11 +84,17 @@ static int bounces; #define TEST_SHMEM 3 static int test_type; +/* exercise the test_uffdio_*_eexist every ALARM_INTERVAL_SECS */ +#define ALARM_INTERVAL_SECS 10 +static volatile bool test_uffdio_copy_eexist = true; +static volatile bool test_uffdio_zeropage_eexist = true; + +static bool map_shared; static int huge_fd; static char *huge_fd_off0; static unsigned long long *count_verify; static int uffd, uffd_flags, finished, *pipefd; -static char *area_src, *area_dst; +static char *area_src, *area_src_alias, *area_dst, *area_dst_alias; static char *zeropage; pthread_attr_t attr; @@ -125,6 +133,9 @@ static void anon_allocate_area(void **alloc_area) } } +static void noop_alias_mapping(__u64 *start, size_t len, unsigned long offset) +{ +} /* HugeTLB memory */ static int hugetlb_release_pages(char *rel_area) @@ -145,17 +156,51 @@ static int hugetlb_release_pages(char *rel_area) static void hugetlb_allocate_area(void **alloc_area) { + void *area_alias = NULL; + char **alloc_area_alias; *alloc_area = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_HUGETLB, huge_fd, - *alloc_area == area_src ? 0 : - nr_pages * page_size); + (map_shared ? MAP_SHARED : MAP_PRIVATE) | + MAP_HUGETLB, + huge_fd, *alloc_area == area_src ? 0 : + nr_pages * page_size); if (*alloc_area == MAP_FAILED) { fprintf(stderr, "mmap of hugetlbfs file failed\n"); *alloc_area = NULL; } - if (*alloc_area == area_src) + if (map_shared) { + area_alias = mmap(NULL, nr_pages * page_size, PROT_READ | PROT_WRITE, + MAP_SHARED | MAP_HUGETLB, + huge_fd, *alloc_area == area_src ? 0 : + nr_pages * page_size); + if (area_alias == MAP_FAILED) { + if (munmap(*alloc_area, nr_pages * page_size) < 0) + perror("hugetlb munmap"), exit(1); + *alloc_area = NULL; + return; + } + } + if (*alloc_area == area_src) { huge_fd_off0 = *alloc_area; + alloc_area_alias = &area_src_alias; + } else { + alloc_area_alias = &area_dst_alias; + } + if (area_alias) + *alloc_area_alias = area_alias; +} + +static void hugetlb_alias_mapping(__u64 *start, size_t len, unsigned long offset) +{ + if (!map_shared) + return; + /* + * We can't zap just the pagetable with hugetlbfs because + * MADV_DONTEED won't work. So exercise -EEXIST on a alias + * mapping where the pagetables are not established initially, + * this way we'll exercise the -EEXEC at the fs level. + */ + *start = (unsigned long) area_dst_alias + offset; } /* Shared memory */ @@ -185,6 +230,7 @@ struct uffd_test_ops { unsigned long expected_ioctls; void (*allocate_area)(void **alloc_area); int (*release_pages)(char *rel_area); + void (*alias_mapping)(__u64 *start, size_t len, unsigned long offset); }; #define ANON_EXPECTED_IOCTLS ((1 << _UFFDIO_WAKE) | \ @@ -195,18 +241,21 @@ static struct uffd_test_ops anon_uffd_test_ops = { .expected_ioctls = ANON_EXPECTED_IOCTLS, .allocate_area = anon_allocate_area, .release_pages = anon_release_pages, + .alias_mapping = noop_alias_mapping, }; static struct uffd_test_ops shmem_uffd_test_ops = { - .expected_ioctls = UFFD_API_RANGE_IOCTLS_BASIC, + .expected_ioctls = ANON_EXPECTED_IOCTLS, .allocate_area = shmem_allocate_area, .release_pages = shmem_release_pages, + .alias_mapping = noop_alias_mapping, }; static struct uffd_test_ops hugetlb_uffd_test_ops = { .expected_ioctls = UFFD_API_RANGE_IOCTLS_BASIC, .allocate_area = hugetlb_allocate_area, .release_pages = hugetlb_release_pages, + .alias_mapping = hugetlb_alias_mapping, }; static struct uffd_test_ops *uffd_test_ops; @@ -331,6 +380,23 @@ static void *locking_thread(void *arg) return NULL; } +static void retry_copy_page(int ufd, struct uffdio_copy *uffdio_copy, + unsigned long offset) +{ + uffd_test_ops->alias_mapping(&uffdio_copy->dst, + uffdio_copy->len, + offset); + if (ioctl(ufd, UFFDIO_COPY, uffdio_copy)) { + /* real retval in ufdio_copy.copy */ + if (uffdio_copy->copy != -EEXIST) + fprintf(stderr, "UFFDIO_COPY retry error %Ld\n", + uffdio_copy->copy), exit(1); + } else { + fprintf(stderr, "UFFDIO_COPY retry unexpected %Ld\n", + uffdio_copy->copy), exit(1); + } +} + static int copy_page(int ufd, unsigned long offset) { struct uffdio_copy uffdio_copy; @@ -351,8 +417,13 @@ static int copy_page(int ufd, unsigned long offset) } else if (uffdio_copy.copy != page_size) { fprintf(stderr, "UFFDIO_COPY unexpected copy %Ld\n", uffdio_copy.copy), exit(1); - } else + } else { + if (test_uffdio_copy_eexist) { + test_uffdio_copy_eexist = false; + retry_copy_page(ufd, &uffdio_copy, offset); + } return 1; + } return 0; } @@ -408,6 +479,7 @@ static void *uffd_poll_thread(void *arg) userfaults++; break; case UFFD_EVENT_FORK: + close(uffd); uffd = msg.arg.fork.ufd; pollfd[0].fd = uffd; break; @@ -572,6 +644,17 @@ static int userfaultfd_open(int features) return 0; } +sigjmp_buf jbuf, *sigbuf; + +static void sighndl(int sig, siginfo_t *siginfo, void *ptr) +{ + if (sig == SIGBUS) { + if (sigbuf) + siglongjmp(*sigbuf, 1); + abort(); + } +} + /* * For non-cooperative userfaultfd test we fork() a process that will * generate pagefaults, will mremap the area monitored by the @@ -585,19 +668,59 @@ static int userfaultfd_open(int features) * The release of the pages currently generates event for shmem and * anonymous memory (UFFD_EVENT_REMOVE), hence it is not checked * for hugetlb. + * For signal test(UFFD_FEATURE_SIGBUS), signal_test = 1, we register + * monitored area, generate pagefaults and test that signal is delivered. + * Use UFFDIO_COPY to allocate missing page and retry. For signal_test = 2 + * test robustness use case - we release monitored area, fork a process + * that will generate pagefaults and verify signal is generated. + * This also tests UFFD_FEATURE_EVENT_FORK event along with the signal + * feature. Using monitor thread, verify no userfault events are generated. */ -static int faulting_process(void) +static int faulting_process(int signal_test) { unsigned long nr; unsigned long long count; unsigned long split_nr_pages; + unsigned long lastnr; + struct sigaction act; + unsigned long signalled = 0; if (test_type != TEST_HUGETLB) split_nr_pages = (nr_pages + 1) / 2; else split_nr_pages = nr_pages; + if (signal_test) { + sigbuf = &jbuf; + memset(&act, 0, sizeof(act)); + act.sa_sigaction = sighndl; + act.sa_flags = SA_SIGINFO; + if (sigaction(SIGBUS, &act, 0)) { + perror("sigaction"); + return 1; + } + lastnr = (unsigned long)-1; + } + for (nr = 0; nr < split_nr_pages; nr++) { + if (signal_test) { + if (sigsetjmp(*sigbuf, 1) != 0) { + if (nr == lastnr) { + fprintf(stderr, "Signal repeated\n"); + return 1; + } + + lastnr = nr; + if (signal_test == 1) { + if (copy_page(uffd, nr * page_size)) + signalled++; + } else { + signalled++; + continue; + } + } + } + count = *area_count(area_dst, nr); if (count != count_verify[nr]) { fprintf(stderr, @@ -607,6 +730,9 @@ static int faulting_process(void) } } + if (signal_test) + return signalled != split_nr_pages; + if (test_type == TEST_HUGETLB) return 0; @@ -636,6 +762,23 @@ static int faulting_process(void) return 0; } +static void retry_uffdio_zeropage(int ufd, + struct uffdio_zeropage *uffdio_zeropage, + unsigned long offset) +{ + uffd_test_ops->alias_mapping(&uffdio_zeropage->range.start, + uffdio_zeropage->range.len, + offset); + if (ioctl(ufd, UFFDIO_ZEROPAGE, uffdio_zeropage)) { + if (uffdio_zeropage->zeropage != -EEXIST) + fprintf(stderr, "UFFDIO_ZEROPAGE retry error %Ld\n", + uffdio_zeropage->zeropage), exit(1); + } else { + fprintf(stderr, "UFFDIO_ZEROPAGE retry unexpected %Ld\n", + uffdio_zeropage->zeropage), exit(1); + } +} + static int uffdio_zeropage(int ufd, unsigned long offset) { struct uffdio_zeropage uffdio_zeropage; @@ -670,8 +813,14 @@ static int uffdio_zeropage(int ufd, unsigned long offset) if (uffdio_zeropage.zeropage != page_size) { fprintf(stderr, "UFFDIO_ZEROPAGE unexpected %Ld\n", uffdio_zeropage.zeropage), exit(1); - } else + } else { + if (test_uffdio_zeropage_eexist) { + test_uffdio_zeropage_eexist = false; + retry_uffdio_zeropage(ufd, &uffdio_zeropage, + offset); + } return 1; + } } else { fprintf(stderr, "UFFDIO_ZEROPAGE succeeded %Ld\n", @@ -761,7 +910,7 @@ static int userfaultfd_events_test(void) perror("fork"), exit(1); if (!pid) - return faulting_process(); + return faulting_process(0); waitpid(pid, &err, 0); if (err) @@ -778,6 +927,72 @@ static int userfaultfd_events_test(void) return userfaults != nr_pages; } +static int userfaultfd_sig_test(void) +{ + struct uffdio_register uffdio_register; + unsigned long expected_ioctls; + unsigned long userfaults; + pthread_t uffd_mon; + int err, features; + pid_t pid; + char c; + + printf("testing signal delivery: "); + fflush(stdout); + + if (uffd_test_ops->release_pages(area_dst)) + return 1; + + features = UFFD_FEATURE_EVENT_FORK|UFFD_FEATURE_SIGBUS; + if (userfaultfd_open(features) < 0) + return 1; + fcntl(uffd, F_SETFL, uffd_flags | O_NONBLOCK); + + uffdio_register.range.start = (unsigned long) area_dst; + uffdio_register.range.len = nr_pages * page_size; + uffdio_register.mode = UFFDIO_REGISTER_MODE_MISSING; + if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) + fprintf(stderr, "register failure\n"), exit(1); + + expected_ioctls = uffd_test_ops->expected_ioctls; + if ((uffdio_register.ioctls & expected_ioctls) != + expected_ioctls) + fprintf(stderr, + "unexpected missing ioctl for anon memory\n"), + exit(1); + + if (faulting_process(1)) + fprintf(stderr, "faulting process failed\n"), exit(1); + + if (uffd_test_ops->release_pages(area_dst)) + return 1; + + if (pthread_create(&uffd_mon, &attr, uffd_poll_thread, NULL)) + perror("uffd_poll_thread create"), exit(1); + + pid = fork(); + if (pid < 0) + perror("fork"), exit(1); + + if (!pid) + exit(faulting_process(2)); + + waitpid(pid, &err, 0); + if (err) + fprintf(stderr, "faulting process failed\n"), exit(1); + + if (write(pipefd[1], &c, sizeof(c)) != sizeof(c)) + perror("pipe write"), exit(1); + if (pthread_join(uffd_mon, (void **)&userfaults)) + return 1; + + printf("done.\n"); + if (userfaults) + fprintf(stderr, "Signal test failed, userfaults: %ld\n", + userfaults); + close(uffd); + return userfaults != 0; +} static int userfaultfd_stress(void) { void *area; @@ -879,6 +1094,15 @@ static int userfaultfd_stress(void) return 1; } + if (area_dst_alias) { + uffdio_register.range.start = (unsigned long) + area_dst_alias; + if (ioctl(uffd, UFFDIO_REGISTER, &uffdio_register)) { + fprintf(stderr, "register failure alias\n"); + return 1; + } + } + /* * The madvise done previously isn't enough: some * uffd_thread could have read userfaults (one of @@ -912,9 +1136,17 @@ static int userfaultfd_stress(void) /* unregister */ if (ioctl(uffd, UFFDIO_UNREGISTER, &uffdio_register.range)) { - fprintf(stderr, "register failure\n"); + fprintf(stderr, "unregister failure\n"); return 1; } + if (area_dst_alias) { + uffdio_register.range.start = (unsigned long) area_dst; + if (ioctl(uffd, UFFDIO_UNREGISTER, + &uffdio_register.range)) { + fprintf(stderr, "unregister failure alias\n"); + return 1; + } + } /* verification */ if (bounces & BOUNCE_VERIFY) { @@ -936,6 +1168,10 @@ static int userfaultfd_stress(void) area_src = area_dst; area_dst = tmp_area; + tmp_area = area_src_alias; + area_src_alias = area_dst_alias; + area_dst_alias = tmp_area; + printf("userfaults:"); for (cpu = 0; cpu < nr_cpus; cpu++) printf(" %lu", userfaults[cpu]); @@ -946,7 +1182,8 @@ static int userfaultfd_stress(void) return err; close(uffd); - return userfaultfd_zeropage_test() || userfaultfd_events_test(); + return userfaultfd_zeropage_test() || userfaultfd_sig_test() + || userfaultfd_events_test(); } /* @@ -981,7 +1218,12 @@ static void set_test_type(const char *type) } else if (!strcmp(type, "hugetlb")) { test_type = TEST_HUGETLB; uffd_test_ops = &hugetlb_uffd_test_ops; + } else if (!strcmp(type, "hugetlb_shared")) { + map_shared = true; + test_type = TEST_HUGETLB; + uffd_test_ops = &hugetlb_uffd_test_ops; } else if (!strcmp(type, "shmem")) { + map_shared = true; test_type = TEST_SHMEM; uffd_test_ops = &shmem_uffd_test_ops; } else { @@ -1001,12 +1243,25 @@ static void set_test_type(const char *type) fprintf(stderr, "Impossible to run this test\n"), exit(2); } +static void sigalrm(int sig) +{ + if (sig != SIGALRM) + abort(); + test_uffdio_copy_eexist = true; + test_uffdio_zeropage_eexist = true; + alarm(ALARM_INTERVAL_SECS); +} + int main(int argc, char **argv) { if (argc < 4) fprintf(stderr, "Usage: <test type> <MiB> <bounces> [hugetlbfs_file]\n"), exit(1); + if (signal(SIGALRM, sigalrm) == SIG_ERR) + fprintf(stderr, "failed to arm SIGALRM"), exit(1); + alarm(ALARM_INTERVAL_SECS); + set_test_type(argv[1]); nr_cpus = sysconf(_SC_NPROCESSORS_ONLN); diff --git a/tools/testing/selftests/watchdog/watchdog-test.c b/tools/testing/selftests/watchdog/watchdog-test.c index a74c9d739d07..a1391be2dc1e 100644 --- a/tools/testing/selftests/watchdog/watchdog-test.c +++ b/tools/testing/selftests/watchdog/watchdog-test.c @@ -9,12 +9,25 @@ #include <unistd.h> #include <fcntl.h> #include <signal.h> +#include <getopt.h> #include <sys/ioctl.h> #include <linux/types.h> #include <linux/watchdog.h> +#define DEFAULT_PING_RATE 1 + int fd; const char v = 'V'; +static const char sopts[] = "bdehp:t:"; +static const struct option lopts[] = { + {"bootstatus", no_argument, NULL, 'b'}, + {"disable", no_argument, NULL, 'd'}, + {"enable", no_argument, NULL, 'e'}, + {"help", no_argument, NULL, 'h'}, + {"pingrate", required_argument, NULL, 'p'}, + {"timeout", required_argument, NULL, 't'}, + {NULL, no_argument, NULL, 0x0} +}; /* * This function simply sends an IOCTL to the driver, which in turn ticks @@ -23,12 +36,12 @@ const char v = 'V'; */ static void keep_alive(void) { - int dummy; - int ret; + int dummy; + int ret; - ret = ioctl(fd, WDIOC_KEEPALIVE, &dummy); - if (!ret) - printf("."); + ret = ioctl(fd, WDIOC_KEEPALIVE, &dummy); + if (!ret) + printf("."); } /* @@ -38,75 +51,110 @@ static void keep_alive(void) static void term(int sig) { - int ret = write(fd, &v, 1); - - close(fd); - if (ret < 0) - printf("\nStopping watchdog ticks failed (%d)...\n", errno); - else - printf("\nStopping watchdog ticks...\n"); - exit(0); + int ret = write(fd, &v, 1); + + close(fd); + if (ret < 0) + printf("\nStopping watchdog ticks failed (%d)...\n", errno); + else + printf("\nStopping watchdog ticks...\n"); + exit(0); +} + +static void usage(char *progname) +{ + printf("Usage: %s [options]\n", progname); + printf(" -b, --bootstatus Get last boot status (Watchdog/POR)\n"); + printf(" -d, --disable Turn off the watchdog timer\n"); + printf(" -e, --enable Turn on the watchdog timer\n"); + printf(" -h, --help Print the help message\n"); + printf(" -p, --pingrate=P Set ping rate to P seconds (default %d)\n", DEFAULT_PING_RATE); + printf(" -t, --timeout=T Set timeout to T seconds\n"); + printf("\n"); + printf("Parameters are parsed left-to-right in real-time.\n"); + printf("Example: %s -d -t 10 -p 5 -e\n", progname); } int main(int argc, char *argv[]) { - int flags; - unsigned int ping_rate = 1; - int ret; - int i; - - setbuf(stdout, NULL); - - fd = open("/dev/watchdog", O_WRONLY); - - if (fd == -1) { - printf("Watchdog device not enabled.\n"); - exit(-1); - } - - for (i = 1; i < argc; i++) { - if (!strncasecmp(argv[i], "-d", 2)) { - flags = WDIOS_DISABLECARD; - ret = ioctl(fd, WDIOC_SETOPTIONS, &flags); - if (!ret) - printf("Watchdog card disabled.\n"); - } else if (!strncasecmp(argv[i], "-e", 2)) { - flags = WDIOS_ENABLECARD; - ret = ioctl(fd, WDIOC_SETOPTIONS, &flags); - if (!ret) - printf("Watchdog card enabled.\n"); - } else if (!strncasecmp(argv[i], "-t", 2) && argv[2]) { - flags = atoi(argv[i + 1]); - ret = ioctl(fd, WDIOC_SETTIMEOUT, &flags); - if (!ret) - printf("Watchdog timeout set to %u seconds.\n", flags); - i++; - } else if (!strncasecmp(argv[i], "-p", 2) && argv[2]) { - ping_rate = strtoul(argv[i + 1], NULL, 0); - printf("Watchdog ping rate set to %u seconds.\n", ping_rate); - i++; - } else { - printf("-d to disable, -e to enable, -t <n> to set " - "the timeout,\n-p <n> to set the ping rate, and "); - printf("run by itself to tick the card.\n"); - printf("Parameters are parsed left-to-right in real-time.\n"); - printf("Example: %s -d -t 10 -p 5 -e\n", argv[0]); - goto end; - } - } - - printf("Watchdog Ticking Away!\n"); - - signal(SIGINT, term); - - while(1) { - keep_alive(); - sleep(ping_rate); - } + int flags; + unsigned int ping_rate = DEFAULT_PING_RATE; + int ret; + int c; + int oneshot = 0; + + setbuf(stdout, NULL); + + fd = open("/dev/watchdog", O_WRONLY); + + if (fd == -1) { + printf("Watchdog device not enabled.\n"); + exit(-1); + } + + while ((c = getopt_long(argc, argv, sopts, lopts, NULL)) != -1) { + switch (c) { + case 'b': + flags = 0; + oneshot = 1; + ret = ioctl(fd, WDIOC_GETBOOTSTATUS, &flags); + if (!ret) + printf("Last boot is caused by: %s.\n", (flags != 0) ? + "Watchdog" : "Power-On-Reset"); + else + printf("WDIOC_GETBOOTSTATUS errno '%s'\n", strerror(errno)); + break; + case 'd': + flags = WDIOS_DISABLECARD; + ret = ioctl(fd, WDIOC_SETOPTIONS, &flags); + if (!ret) + printf("Watchdog card disabled.\n"); + else + printf("WDIOS_DISABLECARD errno '%s'\n", strerror(errno)); + break; + case 'e': + flags = WDIOS_ENABLECARD; + ret = ioctl(fd, WDIOC_SETOPTIONS, &flags); + if (!ret) + printf("Watchdog card enabled.\n"); + else + printf("WDIOS_ENABLECARD errno '%s'\n", strerror(errno)); + break; + case 'p': + ping_rate = strtoul(optarg, NULL, 0); + if (!ping_rate) + ping_rate = DEFAULT_PING_RATE; + printf("Watchdog ping rate set to %u seconds.\n", ping_rate); + break; + case 't': + flags = strtoul(optarg, NULL, 0); + ret = ioctl(fd, WDIOC_SETTIMEOUT, &flags); + if (!ret) + printf("Watchdog timeout set to %u seconds.\n", flags); + else + printf("WDIOC_SETTIMEOUT errno '%s'\n", strerror(errno)); + break; + default: + usage(argv[0]); + goto end; + } + } + + if (oneshot) + goto end; + + printf("Watchdog Ticking Away!\n"); + + signal(SIGINT, term); + + while (1) { + keep_alive(); + sleep(ping_rate); + } end: - ret = write(fd, &v, 1); - if (ret < 0) - printf("Stopping watchdog ticks failed (%d)...\n", errno); - close(fd); - return 0; + ret = write(fd, &v, 1); + if (ret < 0) + printf("Stopping watchdog ticks failed (%d)...\n", errno); + close(fd); + return 0; } |