diff --git a/tracetools_trace/tracetools_trace/tools/names.py b/tracetools_trace/tracetools_trace/tools/names.py
index d7469c9..43ad7b0 100644
--- a/tracetools_trace/tracetools_trace/tools/names.py
+++ b/tracetools_trace/tracetools_trace/tools/names.py
@@ -14,7 +14,7 @@
 
 """Lists of names (events, context) for tracing."""
 
-DEFAULT_EVENTS_KERNEL = [
+EVENTS_KERNEL = [
     'block_rq_complete',
     'block_rq_insert',
     'block_rq_issue',
@@ -48,6 +48,13 @@ DEFAULT_EVENTS_KERNEL = [
     'timer_hrtimer_expire_exit',
 ]
 
+DEFAULT_EVENTS_KERNEL = [
+    'power_cpu_frequency',
+    'sched_switch',
+    'sched_waking',
+    'sched_wakeup',
+]
+
 DEFAULT_EVENTS_ROS = [
     'ros2:rcl_init',
     'ros2:rcl_node_init',