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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2011-05-22 02:17:22 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2011-05-22 03:38:49 +0200 |
| commit | 5538becaec9ca2ff21e7826372941dc46f498487 (patch) | |
| tree | 66b51fae732a6993f4af1434a1ffe4a83110c71c /tools/perf/util | |
| parent | 98e1da905cbe64bb023a165c7c01eef5e800609e (diff) | |
| download | kernel_samsung_smdk4412-5538becaec9ca2ff21e7826372941dc46f498487.zip kernel_samsung_smdk4412-5538becaec9ca2ff21e7826372941dc46f498487.tar.gz kernel_samsung_smdk4412-5538becaec9ca2ff21e7826372941dc46f498487.tar.bz2 | |
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>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/python.c | 14 | ||||
| -rw-r--r-- | tools/perf/util/session.c | 14 |
2 files changed, 20 insertions, 8 deletions
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 4174c09..3344d6e 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -675,6 +675,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, union perf_event *event; int sample_id_all = 1, cpu; static char *kwlist[] = {"sample_id_all", NULL, NULL}; + int err; if (!PyArg_ParseTupleAndKeywords(args, kwargs, "i|i", kwlist, &cpu, &sample_id_all)) @@ -690,12 +691,17 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, return PyErr_NoMemory(); first = list_entry(evlist->entries.next, struct perf_evsel, node); - perf_event__parse_sample(event, first->attr.sample_type, - perf_sample_size(first->attr.sample_type), - sample_id_all, &pevent->sample); + err = perf_event__parse_sample(event, first->attr.sample_type, + perf_sample_size(first->attr.sample_type), + sample_id_all, &pevent->sample); + if (err) { + pr_err("Can't parse sample, err = %d\n", err); + goto end; + } + return pyevent; } - +end: Py_INCREF(Py_None); return Py_None; } 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 @@ 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)) |