diff options
| author |   Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2014-08-14 02:22:47 +0000 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-08-15 13:07:47 -0300 |
| commit | fb74fbda42dc5bcbd9bae5d75bfb6755948db21d (patch) | |
| tree | 018b17d1e8501599af3b2ab966cccdb790fca084 /tools/perf/builtin-sched.c | |
| parent | perf test: Use strerror_r instead of strerror (diff) | |
| download | linux-dev-fb74fbda42dc5bcbd9bae5d75bfb6755948db21d.tar.xz linux-dev-fb74fbda42dc5bcbd9bae5d75bfb6755948db21d.zip | |
perf sched: Use strerror_r instead of strerror
Use strerror_r instead of strerror in error message for thread-safety.
Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Naohiro Aota <naota@elisp.net>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20140814022247.3545.4564.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-sched.c')
| -rw-r--r-- | tools/perf/builtin-sched.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index f5874a27b346..9c9287fbf8e9 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -428,6 +428,7 @@ static u64 get_cpu_usage_nsec_parent(void) static int self_open_counters(void) { struct perf_event_attr attr; + char sbuf[STRERR_BUFSIZE]; int fd; memset(&attr, 0, sizeof(attr)); @@ -440,7 +441,8 @@ static int self_open_counters(void) if (fd < 0) pr_err("Error: sys_perf_event_open() syscall returned " - "with %d (%s)\n", fd, strerror(errno)); + "with %d (%s)\n", fd, + strerror_r(errno, sbuf, sizeof(sbuf))); return fd; } |