perf tools: Propagate event parse error handling
Better handle event parsing error by propagating the details
in upper layers or by dumping some failure message. So that
the user knows he has some crazy events in the batch.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Stephane Eranian <eranian@google.com>
diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c
index 44d7df2..1fa9f58 100644
--- a/tools/perf/builtin-test.c
+++ b/tools/perf/builtin-test.c
@@ -559,8 +559,13 @@
goto out_munmap;
}
- perf_event__parse_sample(event, attr.sample_type, sample_size,
- false, &sample);
+ err = perf_event__parse_sample(event, attr.sample_type, sample_size,
+ false, &sample);
+ if (err) {
+ pr_err("Can't parse sample, err = %d\n", err);
+ goto out_munmap;
+ }
+
evsel = perf_evlist__id2evsel(evlist, sample.id);
if (evsel == NULL) {
pr_debug("event with id %" PRIu64