[tip:perf/core] perf python: Init perf_event_attr::size in perf.evsel constructor

[tip-bot for Jiri Olsa]

Commit-ID:  ad4e3c04587c01c2e2b00c0e6a414dbededa6c55
Gitweb:     http://git.kernel.org/tip/ad4e3c04587c01c2e2b00c0e6a414dbededa6c55
Author:     Jiri Olsa <jolsa@xxxxxxxxxx>
AuthorDate: Sun, 10 Jul 2016 13:07:55 +0200
Committer:  Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
CommitDate: Tue, 12 Jul 2016 16:16:17 -0300

perf python: Init perf_event_attr::size in perf.evsel constructor

Currently 0 is passed as perf_event_attr::size, which could block usage
of new features.

Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Link: http://lkml.kernel.org/r/1468148882-10362-4-git-send-email-jolsa@xxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/python.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 65c6c73..d0c1267 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -653,6 +653,7 @@ static int pyrf_evsel__init(struct pyrf_evsel *pevsel,
 	attr.precise_ip	    = precise_ip;
 	attr.mmap_data	    = mmap_data;
 	attr.sample_id_all  = sample_id_all;
+	attr.size	    = sizeof(attr);
 
 	perf_evsel__init(&pevsel->evsel, &attr, idx);
 	return 0;