diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index b5ebd47..dedaeb2 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -643,7 +643,7 @@
 
 #define MAX_SAMPLE_BUFFER	(64 * 1024 / sizeof(struct sample_queue))
 
-static int perf_session_queue_event(struct perf_session *s, union perf_event *event,
+int perf_session_queue_event(struct perf_session *s, union perf_event *event,
 				    struct perf_sample *sample, u64 file_offset)
 {
 	struct ordered_samples *os = &s->ordered_samples;
@@ -1049,10 +1049,10 @@
 		swap(event, sample_id_all);
 }
 
-int perf_session__process_event(struct perf_session *session,
-				union perf_event *event,
-				struct perf_tool *tool,
-				u64 file_offset)
+static int perf_session__process_event(struct perf_session *session,
+				       union perf_event *event,
+				       struct perf_tool *tool,
+				       u64 file_offset)
 {
 	struct perf_sample sample;
 	int ret;