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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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7
tools/perf/builtin-top.c
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@@ -805,9 +805,14 @@ static void perf_session__mmap_read_cpu(struct perf_session *self, int cpu)
{
struct perf_sample sample;
union perf_event *event;
int ret;
while ((event = perf_evlist__read_on_cpu(top.evlist, cpu)) != NULL) {
perf_session__parse_sample(self, event, &sample);
ret = perf_session__parse_sample(self, event, &sample);
if (ret) {
pr_err("Can't parse sample, err = %d\n", ret);
continue;
}
if (event->header.type == PERF_RECORD_SAMPLE)
perf_event__process_sample(event, &sample, self);