Messages in this thread Patch in this message | | | From | Arnaldo Carvalho de Melo <> | Subject | [PATCH 10/26] perf record: Improve write_output error message | Date | Tue, 22 Oct 2013 11:28:18 -0300 |
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From: Adrian Hunter <adrian.hunter@intel.com>
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> --- tools/perf/builtin-record.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
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; } -- 1.8.1.4
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