diff --git a/tools/perf/util/cs-etm.c b/tools/perf/util/cs-etm.c
index 62d2f9b9ce1b..3c802fde4954 100644
--- a/tools/perf/util/cs-etm.c
+++ b/tools/perf/util/cs-etm.c
@@ -631,6 +631,16 @@ static void cs_etm__free(struct perf_session *session)
 	zfree(&aux);
 }
 
+static bool cs_etm__evsel_is_auxtrace(struct perf_session *session,
+				      struct evsel *evsel)
+{
+	struct cs_etm_auxtrace *aux = container_of(session->auxtrace,
+						   struct cs_etm_auxtrace,
+						   auxtrace);
+
+	return evsel->core.attr.type == aux->pmu_type;
+}
+
 static u8 cs_etm__cpu_mode(struct cs_etm_queue *etmq, u64 address)
 {
 	struct machine *machine;
@@ -2618,6 +2628,7 @@ int cs_etm__process_auxtrace_info(union perf_event *event,
 	etm->auxtrace.flush_events = cs_etm__flush_events;
 	etm->auxtrace.free_events = cs_etm__free_events;
 	etm->auxtrace.free = cs_etm__free;
+	etm->auxtrace.evsel_is_auxtrace = cs_etm__evsel_is_auxtrace;
 	session->auxtrace = &etm->auxtrace;
 
 	etm->unknown_thread = thread__new(999999999, 999999999);