diff options
| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2014-08-14 06:22:45 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-08-15 20:07:28 +0400 |
| commit | ba3dfff8ad2d98df0c8116faaeb281c93e161636 (patch) | |
| tree | 2fa417b3aebbe73297242806eedb7a28633cb87b /tools/perf/tests/sw-clock.c | |
| parent | 35550da389ba8752f024a44ef14b74001c4fc4d3 (diff) | |
| download | linux-ba3dfff8ad2d98df0c8116faaeb281c93e161636.tar.xz | |
perf test: Use strerror_r instead of strerror
Use strerror_r instead of strerror in error messages 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/20140814022245.3545.91394.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/tests/sw-clock.c')
| -rw-r--r-- | tools/perf/tests/sw-clock.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/tests/sw-clock.c b/tools/perf/tests/sw-clock.c index 983d6b8562a8..1aa21c90731b 100644 --- a/tools/perf/tests/sw-clock.c +++ b/tools/perf/tests/sw-clock.c @@ -22,6 +22,7 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) volatile int tmp = 0; u64 total_periods = 0; int nr_samples = 0; + char sbuf[STRERR_BUFSIZE]; union perf_event *event; struct perf_evsel *evsel; struct perf_evlist *evlist; @@ -62,14 +63,15 @@ static int __test__sw_clock_freq(enum perf_sw_ids clock_id) err = -errno; pr_debug("Couldn't open evlist: %s\nHint: check %s, using %" PRIu64 " in this test.\n", - strerror(errno), knob, (u64)attr.sample_freq); + strerror_r(errno, sbuf, sizeof(sbuf)), + knob, (u64)attr.sample_freq); goto out_delete_evlist; } err = perf_evlist__mmap(evlist, 128, true); if (err < 0) { pr_debug("failed to mmap event: %d (%s)\n", errno, - strerror(errno)); + strerror_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } |