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/util/session.c b/tools/perf/util/session.c
index 8940fd8..948327d 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -480,6 +480,7 @@
struct perf_sample sample;
u64 limit = os->next_flush;
u64 last_ts = os->last_sample ? os->last_sample->timestamp : 0ULL;
+ int ret;
if (!ops->ordered_samples || !limit)
return;
@@ -488,9 +489,12 @@
if (iter->timestamp > limit)
break;
- perf_session__parse_sample(s, iter->event, &sample);
- perf_session_deliver_event(s, iter->event, &sample, ops,
- iter->file_offset);
+ ret = perf_session__parse_sample(s, iter->event, &sample);
+ if (ret)
+ pr_err("Can't parse sample, err = %d\n", ret);
+ else
+ perf_session_deliver_event(s, iter->event, &sample, ops,
+ iter->file_offset);
os->last_flush = iter->timestamp;
list_del(&iter->list);
@@ -806,7 +810,9 @@
/*
* For all kernel events we get the sample data
*/
- perf_session__parse_sample(session, event, &sample);
+ ret = perf_session__parse_sample(session, event, &sample);
+ if (ret)
+ return ret;
/* Preprocess sample records - precheck callchains */
if (perf_session__preprocess_sample(session, event, &sample))