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authorMasami Hiramatsu <masami.hiramatsu.pt@hitachi.com>2014-08-14 02:22:47 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2014-08-15 13:07:47 -0300
commitfb74fbda42dc5bcbd9bae5d75bfb6755948db21d (patch)
tree018b17d1e8501599af3b2ab966cccdb790fca084 /tools/perf/builtin-sched.c
parentba3dfff8ad2d98df0c8116faaeb281c93e161636 (diff)
downloadlinux-fb74fbda42dc5bcbd9bae5d75bfb6755948db21d.tar.gz
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.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)
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;
}