diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index b9a4953018ed..8bb66e8da945 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -864,6 +864,7 @@ enum perf_event_type {
 	 *	struct perf_event_header	header;
 	 *	u32				pid;
 	 *	u32				tid;
+	 *	struct sample_id		sample_id;
 	 * };
 	 */
 	PERF_RECORD_ITRACE_START		= 12,
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index b9a4953018ed..8bb66e8da945 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -864,6 +864,7 @@ enum perf_event_type {
 	 *	struct perf_event_header	header;
 	 *	u32				pid;
 	 *	u32				tid;
+	 *	struct sample_id		sample_id;
 	 * };
 	 */
 	PERF_RECORD_ITRACE_START		= 12,