diff --git a/tracetools_analysis/analysis/ros_processor.py b/tracetools_analysis/analysis/ros_processor.py
index df55715..829b9fc 100644
--- a/tracetools_analysis/analysis/ros_processor.py
+++ b/tracetools_analysis/analysis/ros_processor.py
@@ -26,10 +26,23 @@ class RosProcessor(EventHandler):
     def __init__(self):
         # Link a ROS trace event to its corresponding handling method
         handler_map = {
+            'ros2:rcl_init': self._handle_rcl_init,
+            'ros2:rcl_node_init': self._handle_rcl_node_init,
+            'ros2:rcl_publisher_init': self._handle_rcl_publisher_init,
             'ros2:rcl_subscription_init': self._handle_subscription_init,
-            'ros2:rclcpp_subscription_callback_added': self._handle_subscription_callback_added,
-            'ros2:rclcpp_subscription_callback_start': self._handle_subscription_callback_start,
-            'ros2:rclcpp_subscription_callback_end': self._handle_subscription_callback_end,
+            'ros2:rclcpp_subscription_callback_added': self._handle_rclcpp_subscription_callback_added,
+            'ros2:rclcpp_subscription_callback_start': self._handle_rclcpp_subscription_callback_start,
+            'ros2:rclcpp_subscription_callback_end': self._handle_rclcpp_subscription_callback_end,
+            'ros2:rcl_service_init': self._handle_rcl_service_init,
+            'ros2:rclcpp_service_callback_added': self._handle_rclcpp_service_callback_added,
+            'ros2:rclcpp_service_callback_start': self._handle_rclcpp_service_callback_start,
+            'ros2:rclcpp_service_callback_end': self._handle_rclcpp_service_callback_end,
+            'ros2:rcl_client_init': self._handle_rcl_client_init,
+            'ros2:rcl_timer_init': self._handle_rcl_timer_init,
+            'ros2:rclcpp_timer_callback_added': self._handle_rclcpp_timer_callback_added,
+            'ros2:rclcpp_timer_callback_start': self._handle_rclcpp_timer_callback_start,
+            'ros2:rclcpp_timer_callback_end': self._handle_rclcpp_timer_callback_end,
+            'ros2:rclcpp_callback_register': self._handle_rclcpp_callback_register,
         }
         super().__init__(handler_map)
 
@@ -39,22 +52,74 @@ class RosProcessor(EventHandler):
         # Callback instances, callback_address: (end - start, start)
         self.callbacks_instances = {}
 
+    def _handle_rcl_init(self, event, metadata):
+        # TODO
+        pass
+    
+    def _handle_rcl_node_init(self, event, metadata):
+        # TODO
+        pass
+    
+    def _handle_rcl_publisher_init(self, event, metadata):
+        # TODO
+        pass
+
     def _handle_subscription_init(self, event, metadata):
         # TODO
         pass
 
-    def _handle_subscription_callback_added(self, event, metadata):
+    def _handle_rclcpp_subscription_callback_added(self, event, metadata):
         # Add the callback address key and create an empty list
         callback_addr = get_field(event, 'callback')
         self.callbacks_instances[callback_addr] = []
 
-    def _handle_subscription_callback_start(self, event, metadata):
+    def _handle_rclcpp_subscription_callback_start(self, event, metadata):
         callback_addr = get_field(event, 'callback')
         self._callback_starts[callback_addr] = metadata.timestamp
 
-    def _handle_subscription_callback_end(self, event, metadata):
+    def _handle_rclcpp_subscription_callback_end(self, event, metadata):
         callback_addr = get_field(event, 'callback')
         start_timestamp = self._callback_starts.pop(callback_addr, None)
         if start_timestamp is not None:
             duration = metadata.timestamp - start_timestamp
             self.callbacks_instances[callback_addr].append((duration, start_timestamp))
+
+    def _handle_rcl_service_init(self, event, metadata):
+        # TODO
+        pass
+
+    def _handle_rclcpp_service_callback_added(self, event, metadata):
+        # TODO
+        pass
+
+    def _handle_rclcpp_service_callback_start(self, event, metadata):
+        # TODO
+        pass
+
+    def _handle_rclcpp_service_callback_end(self, event, metadata):
+        # TODO
+        pass
+
+    def _handle_rcl_client_init(self, event, metadata):
+        # TODO
+        pass
+
+    def _handle_rcl_timer_init(self, event, metadata):
+        # TODO
+        pass
+
+    def _handle_rclcpp_timer_callback_added(self, event, metadata):
+        # TODO
+        pass
+
+    def _handle_rclcpp_timer_callback_start(self, event, metadata):
+        # TODO
+        pass
+
+    def _handle_rclcpp_timer_callback_end(self, event, metadata):
+        # TODO
+        pass
+
+    def _handle_rclcpp_callback_register(self, event, metadata):
+        # TODO
+        pass