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perf record: Use strerror_r instead of strerror

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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/20140814022243.3545.7411.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Masami Hiramatsu 2014-08-14 02:22:43 +00:00 committed by Arnaldo Carvalho de Melo
parent 942a91ed3f
commit 35550da389
1 changed files with 4 additions and 3 deletions
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7
tools/perf/builtin-record.c
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@ -161,7 +161,7 @@ try_again:
if (perf_evlist__apply_filters(evlist)) {
error("failed to set filter with %d (%s)\n", errno,
strerror(errno));
strerror_r(errno, msg, sizeof(msg)));
rc = -1;
goto out;
}
@ -175,7 +175,8 @@ try_again:
"(current value: %u)\n", opts->mmap_pages);
rc = -errno;
} else {
pr_err("failed to mmap with %d (%s)\n", errno, strerror(errno));
pr_err("failed to mmap with %d (%s)\n", errno,
strerror_r(errno, msg, sizeof(msg)));
rc = -errno;
}
goto out;
@ -480,7 +481,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
}
if (forks && workload_exec_errno) {
char msg[512];
char msg[STRERR_BUFSIZE];
const char *emsg = strerror_r(workload_exec_errno, msg, sizeof(msg));
pr_err("Workload failed: %s\n", emsg);
err = -1;