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perf tools: Propagate event parse error handling

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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>
This commit is contained in:
Frederic Weisbecker
2011-05-22 02:17:22 +02:00
parent 98e1da905c
commit 5538becaec
4 changed files with 33 additions and 11 deletions
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14
tools/perf/util/session.c
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@@ -480,6 +480,7 @@ static void flush_sample_queue(struct perf_session *s,
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 @@ static void flush_sample_queue(struct perf_session *s,
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 @@ static int perf_session__process_event(struct perf_session *session,
/*
* 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))