diff options
| author |   Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> | 2014-08-14 02:22:41 +0000 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2014-08-15 13:06:28 -0300 |
| commit | 942a91ed3ffff0267944ed3161ae292d0960fd44 (patch) | |
| tree | 678f4fe19921cace273a3cde035ee91e6157aefa /tools/perf/builtin-trace.c | |
| parent | perf top: Use strerror_r instead of strerror (diff) | |
| download | linux-dev-942a91ed3ffff0267944ed3161ae292d0960fd44.tar.xz linux-dev-942a91ed3ffff0267944ed3161ae292d0960fd44.zip | |
perf trace: Use strerror_r instead of strerror
Use strerror_r instead of strerror in error message for thead-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/20140814022241.3545.97543.stgit@kbuild-fedora.novalocal
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d080b9cf0354..a9e96ff49c7f 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1750,7 +1750,7 @@ static int trace__sys_exit(struct trace *trace, struct perf_evsel *evsel, signed_print: fprintf(trace->output, ") = %d", ret); } else if (ret < 0 && sc->fmt->errmsg) { - char bf[256]; + char bf[STRERR_BUFSIZE]; const char *emsg = strerror_r(-ret, bf, sizeof(bf)), *e = audit_errno_to_name(-ret); @@ -2044,6 +2044,7 @@ static int trace__run(struct trace *trace, int argc, const char **argv) int err = -1, i; unsigned long before; const bool forks = argc > 0; + char sbuf[STRERR_BUFSIZE]; trace->live = true; @@ -2105,7 +2106,8 @@ static int trace__run(struct trace *trace, int argc, const char **argv) err = perf_evlist__mmap(evlist, trace->opts.mmap_pages, false); if (err < 0) { - fprintf(trace->output, "Couldn't mmap the events: %s\n", strerror(errno)); + fprintf(trace->output, "Couldn't mmap the events: %s\n", + strerror_r(errno, sbuf, sizeof(sbuf))); goto out_delete_evlist; } |