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| author | Adrian Hunter <adrian.hunter@intel.com> | 2013-10-18 15:29:00 +0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-10-21 11:19:06 -0300 |
| commit | 4f624685f92719565981eb6f8d9195bb578522a3 (patch) | |
| tree | 9a762801fea149864e3bb6643daf07fbb7cc0d49 /tools | |
| parent | dd44bc6be05e4a948124053c8105cfa581177554 (diff) | |
| download | talos-obmc-linux-4f624685f92719565981eb6f8d9195bb578522a3.tar.gz talos-obmc-linux-4f624685f92719565981eb6f8d9195bb578522a3.zip | |
perf record: Improve write_output error message
Improve the error message from write_output() to say what failed to
write and give the error number.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1382099356-4918-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-record.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 92ca5419073b..d269dfa3ab08 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -88,7 +88,7 @@ static int write_output(struct perf_record *rec, void *buf, size_t size) int ret = write(rec->output, buf, size); if (ret < 0) { - pr_err("failed to write\n"); + pr_err("failed to write perf data, error: %m\n"); return -1; } |
