diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index a0ce5a4..b5ebd47 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -250,7 +250,7 @@
 				  union perf_event *event,
 				  struct perf_session *session);
 
-static void perf_tool__fill_defaults(struct perf_tool *tool)
+void perf_tool__fill_defaults(struct perf_tool *tool)
 {
 	if (tool->sample == NULL)
 		tool->sample = process_event_sample_stub;
@@ -495,7 +495,7 @@
 				      u64 file_offset);
 
 static int flush_sample_queue(struct perf_session *s,
-			       struct perf_tool *tool)
+		       struct perf_tool *tool)
 {
 	struct ordered_samples *os = &s->ordered_samples;
 	struct list_head *head = &os->samples;
@@ -1049,10 +1049,10 @@
 		swap(event, sample_id_all);
 }
 
-static int perf_session__process_event(struct perf_session *session,
-				       union perf_event *event,
-				       struct perf_tool *tool,
-				       u64 file_offset)
+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;