Commit-ID:  d2b5a315ae84d235f00761468885c466f81d7805
Gitweb:     http://git.kernel.org/tip/d2b5a315ae84d235f00761468885c466f81d7805
Author:     Jiri Olsa <[email protected]>
AuthorDate: Fri, 16 Oct 2015 12:41:25 +0200
Committer:  Arnaldo Carvalho de Melo <[email protected]>
CommitDate: Mon, 19 Oct 2015 18:05:59 -0300

perf script: Check output fields only for samples

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

Signed-off-by: Jiri Olsa <[email protected]>
Tested-by: Kan Liang <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Link: 
http://lkml.kernel.org/r/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
---
 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 8ce1c6b..2653c02 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -686,7 +686,10 @@ 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,
--
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