Commit-ID: 4f624685f92719565981eb6f8d9195bb578522a3 Gitweb: http://git.kernel.org/tip/4f624685f92719565981eb6f8d9195bb578522a3 Author: Adrian Hunter <adrian.hun...@intel.com> AuthorDate: Fri, 18 Oct 2013 15:29:00 +0300 Committer: Arnaldo Carvalho de Melo <a...@redhat.com> CommitDate: Mon, 21 Oct 2013 11:19:06 -0300
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.hun...@intel.com> Cc: David Ahern <dsah...@gmail.com> Cc: Frederic Weisbecker <fweis...@gmail.com> Cc: Ingo Molnar <mi...@redhat.com> Cc: Jiri Olsa <jo...@redhat.com> Cc: Mike Galbraith <efa...@gmx.de> Cc: Namhyung Kim <namhy...@gmail.com> Cc: Paul Mackerras <pau...@samba.org> Cc: Peter Zijlstra <a.p.zijls...@chello.nl> Cc: Stephane Eranian <eran...@google.com> Link: http://lkml.kernel.org/r/1382099356-4918-4-git-send-email-adrian.hun...@intel.com Signed-off-by: Arnaldo Carvalho de Melo <a...@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 92ca541..d269dfa 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; } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
