diff --git a/tracing/names.py b/tracing/names.py
index 20e1e27..aec29f6 100644
--- a/tracing/names.py
+++ b/tracing/names.py
@@ -46,6 +46,12 @@ DEFAULT_EVENTS_ROS=[
     'ros2:rclcpp_service_callback_added',
     'ros2:rclcpp_service_callback_start',
     'ros2:rclcpp_service_callback_end',
+    'ros2:rcl_client_init',
+    'ros2:rcl_timer_init',
+    'ros2:rclcpp_timer_callback_added',
+    'ros2:rclcpp_timer_callback_start',
+    'ros2:rclcpp_timer_callback_end',
+    'ros2:rclcpp_callback_register',
 ]
 
 DEFAULT_CONTEXT=[