perf_evlist__set_filter() tries to set filter to every evsels linked in
the evlist. However, since filters can only be applied to tracepoints,
checking type of evsel before calling perf_evsel__set_filter() would be
better.
Signed-off-by: Wang Nan <wangn...@huawei.com>
Cc: Arnaldo Carvalho de Melo <a...@redhat.com>
Cc: Jiri Olsa <jo...@kernel.org>
Cc: Li Zefan <lize...@huawei.com>
Cc: pi3or...@163.com
---
tools/perf/util/evlist.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index c42e196..86a0383 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -1223,6 +1223,9 @@ int perf_evlist__set_filter(struct perf_evlist *evlist,
const char *filter)
int err = 0;
evlist__for_each(evlist, evsel) {
+ if (evsel->attr.type != PERF_TYPE_TRACEPOINT)
+ continue;
+
err = perf_evsel__set_filter(evsel, filter);
if (err)
break;
--
1.8.3.4
