diff options
Diffstat (limited to 'tools/perf/tests/openat-syscall-all-cpus.c')
| -rw-r--r-- | tools/perf/tests/openat-syscall-all-cpus.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/tools/perf/tests/openat-syscall-all-cpus.c b/tools/perf/tests/openat-syscall-all-cpus.c index a38adf94c731..495d8126b722 100644 --- a/tools/perf/tests/openat-syscall-all-cpus.c +++ b/tools/perf/tests/openat-syscall-all-cpus.c @@ -15,6 +15,7 @@ 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"); @@ -31,12 +32,8 @@ int test__openat_syscall_event_on_all_cpus(void) 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"); + tracing_path__strerror_open_tp(errno, errbuf, sizeof(errbuf), "syscalls", "sys_enter_openat"); + pr_err("%s\n", errbuf); goto out_thread_map_delete; } |