diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 2eefb33..1d034f6 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -108,6 +108,7 @@
 	.event_type = event__process_event_type,
 	.tracing_data = event__process_tracing_data,
 	.build_id = event__process_build_id,
+	.ordered_samples = true,
 };
 
 extern volatile int session_done;