Messages in this thread Patch in this message | | | Date | Mon, 18 Aug 2014 01:24:47 -0700 | From | tip-bot for Masami Hiramatsu <> | Subject | [tip:perf/core] perf sched: Use strerror_r instead of strerror |
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Commit-ID: fb74fbda42dc5bcbd9bae5d75bfb6755948db21d Gitweb: http://git.kernel.org/tip/fb74fbda42dc5bcbd9bae5d75bfb6755948db21d Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> AuthorDate: Thu, 14 Aug 2014 02:22:47 +0000 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Fri, 15 Aug 2014 13:07:47 -0300
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> --- tools/perf/builtin-sched.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index f5874a2..9c9287f 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; }
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