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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
| commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
| tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /tools/perf/tests/openat-syscall-all-cpus.c | |
| parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) | |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'tools/perf/tests/openat-syscall-all-cpus.c')
| -rw-r--r-- | tools/perf/tests/openat-syscall-all-cpus.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index a572f87e9..2006485a2 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -1,3 +1,5 @@ +#include <api/fs/fs.h> +#include <linux/err.h> #include "evsel.h" #include "tests.h" #include "thread_map.h" @@ -14,6 +16,7 @@ int test__openat_syscall_event_on_all_cpus(void) cpu_set_t cpu_set; struct thread_map *threads = thread_map__new(-1, getpid(), UINT_MAX); char sbuf[STRERR_BUFSIZE]; + char errbuf[BUFSIZ]; if (threads == NULL) { pr_debug("thread_map__new\n"); @@ -29,13 +32,9 @@ int test__openat_syscall_event_on_all_cpus(void) CPU_ZERO(&cpu_set); evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); - if (evsel == NULL) { - if (tracefs_configured()) - pr_debug("is tracefs mounted on /sys/kernel/tracing?\n"); - else if (debugfs_configured()) - pr_debug("is debugfs mounted on /sys/kernel/debug?\n"); - else - pr_debug("Neither tracefs or debugfs is enabled in this kernel\n"); + if (IS_ERR(evsel)) { + tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "syscalls", "sys_enter_openat"); + pr_debug("%s\n", errbuf); goto out_thread_map_delete; } |