[PATCH 40/47] perf script: Check output fields only for samples

Jiri Olsa
2015-07-21T12:36:15Z

There's no need to check sampling output fields
for events without perf_event_attr::sample_type
field set.

Link: http://lkml.kernel.org/n/tip-uommbr3wo4913tpkkgq2sbvb@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
tools/perf/builtin-script.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index 24809787369f..308c022ae918 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -650,7 +650,10 @@ static int process_attr(struct perf_tool *tool, union perf_event *event,

set_print_ip_opts(&evsel->attr);

- return perf_evsel__check_attr(evsel, scr->session);
+ if (evsel->attr.sample_type)
+ err = perf_evsel__check_attr(evsel, scr->session);
+
+ return err;
}

static int process_comm_event(struct perf_tool *tool,
--
2.4.3