diff options
| author | Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2014-08-14 02:22:43 +0000 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-08-15 13:07:14 -0300 |
| commit | 35550da389ba8752f024a44ef14b74001c4fc4d3 (patch) | |
| tree | a04c06b41e92814d62cdb56301b63a5c1b1d3741 /tools/perf/builtin-record.c | |
| parent | 942a91ed3ffff0267944ed3161ae292d0960fd44 (diff) | |
perf record: 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/20140814022243.3545.7411.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-record.c')
| -rw-r--r-- | tools/perf/builtin-record.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 4db670d4b8da..87e28a4e33ba 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -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; |