1 files changed, 2 insertions, 0 deletions

diff --git a/include/trace/events/rcu.h b/include/trace/events/rcu.h
index 337099783f37..1480900c511c 100644
--- a/include/trace/events/rcu.h
+++ b/include/trace/events/rcu.h
@@ -292,6 +292,8 @@ TRACE_EVENT(rcu_dyntick,
  *      "More callbacks": Still more callbacks, try again to clear them out.
  *      "Callbacks drained": All callbacks processed, off to dyntick idle!
  *      "Timer": Timer fired to cause CPU to continue processing callbacks.
+ *      "Demigrate": Timer fired on wrong CPU, woke up correct CPU.
+ *      "Cleanup after idle": Idle exited, timer canceled.
  */
 TRACE_EVENT(rcu_prep_idle,