1 files changed, 2 insertions, 0 deletions

diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 071a7db52549..b08dfdad08cb 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -513,6 +513,8 @@ struct perf_event;
 struct pmu {
         int (*enable)                   (struct perf_event *event);
         void (*disable)                 (struct perf_event *event);
+        int (*start)                    (struct perf_event *event);
+        void (*stop)                    (struct perf_event *event);
         void (*read)                    (struct perf_event *event);
         void (*unthrottle)              (struct perf_event *event);
 };