linux-kernel - [PATCH 07/10] perf python: Add struct evsel into struct pyrf

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Date:	Sun, 10 Jul 2016 13:07:59 +0200
From:	Jiri Olsa <jolsa@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>
Subject: [PATCH 07/10] perf python: Add struct evsel into struct pyrf_event

To be able to find out event configuration info
during sample parsing.

Link: http://lkml.kernel.org/n/tip-b63rh6l44ort2t76etobvvui@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/util/python.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 45fdd4a68721..dc7adaa3a02c 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -48,6 +48,7 @@ PyMODINIT_FUNC initperf(void);
 
 struct pyrf_event {
 	PyObject_HEAD
+	struct perf_evsel *evsel;
 	struct perf_sample sample;
 	union perf_event   event;
 };
@@ -865,11 +866,18 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist,
 	if (event != NULL) {
 		PyObject *pyevent = pyrf_event__new(event);
 		struct pyrf_event *pevent = (struct pyrf_event *)pyevent;
+		struct perf_evsel *evsel;
 
 		if (pyevent == NULL)
 			return PyErr_NoMemory();
 
-		err = perf_evlist__parse_sample(evlist, event, &pevent->sample);
+		evsel = perf_evlist__event2evsel(evlist, event);
+		if (!evsel)
+			return Py_None;
+
+		pevent->evsel = evsel;
+
+		err = perf_evsel__parse_sample(evsel, event, &pevent->sample);
 
 		/* Consume the even only after we parsed it out. */
 		perf_evlist__mmap_consume(evlist, cpu);
-- 
2.4.11