aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2014-08-13 22:22:47 -0400
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-15 12:07:47 -0400
commitfb74fbda42dc5bcbd9bae5d75bfb6755948db21d (patch)
tree018b17d1e8501599af3b2ab966cccdb790fca084
parentba3dfff8ad2d98df0c8116faaeb281c93e161636 (diff)
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>
-rw-r--r--tools/perf/builtin-sched.c4
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)
428static int self_open_counters(void) 428static int self_open_counters(void)
429{ 429{
430 struct perf_event_attr attr; 430 struct perf_event_attr attr;
431 char sbuf[STRERR_BUFSIZE];
431 int fd; 432 int fd;
432 433
433 memset(&attr, 0, sizeof(attr)); 434 memset(&attr, 0, sizeof(attr));
@@ -440,7 +441,8 @@ static int self_open_counters(void)
440 441
441 if (fd < 0) 442 if (fd < 0)
442 pr_err("Error: sys_perf_event_open() syscall returned " 443 pr_err("Error: sys_perf_event_open() syscall returned "
443 "with %d (%s)\n", fd, strerror(errno)); 444 "with %d (%s)\n", fd,
445 strerror_r(errno, sbuf, sizeof(sbuf)));
444 return fd; 446 return fd;
445} 447}
446 448