Index: leahi_dialin/dd/modules/levels.py
===================================================================
diff -u -re45b20cdc5d4c5dcff8cef530b173ca94cb2e422 -r820c94585ab5d85c40395e828c4dfe2da164c105
--- leahi_dialin/dd/modules/levels.py	(.../levels.py)	(revision e45b20cdc5d4c5dcff8cef530b173ca94cb2e422)
+++ leahi_dialin/dd/modules/levels.py	(.../levels.py)	(revision 820c94585ab5d85c40395e828c4dfe2da164c105)
@@ -16,6 +16,7 @@
 
 # Module imports
 from logging import Logger
+import time
 
 # Project imports
 from leahi_dialin.common.constants import NO_RESET
@@ -58,6 +59,7 @@
             dd_enum_repository.DDLevelSensorNames.D6_LEVEL.name: 0,
         }
         self.dd_bicarb_level = 0                                #: The Bicarb level
+        self.handler_execution_times = []
 
 
     @publish(["msg_id_dd_level_data", "dd_level_sensors", "dd_bicarb_level", "dd_levels_timestamp"])
@@ -68,6 +70,7 @@
         @param message:  published levels data message
         @returns none
         """
+        start = time.perf_counter()
         sensor_list =[]
         sensor_list.append((dd_enum_repository.DDLevelSensorNames.D46_LEVEL.name,   DataTypes.U32))
         sensor_list.append((dd_enum_repository.DDLevelSensorNames.D63_LEVEL.name,   DataTypes.U32))
@@ -83,6 +86,7 @@
                                message = message,
                                start_from_byte = len(sensor_list) * DataTypes.U32.size())
         self.dd_levels_timestamp = timestamp
+        self.handler_execution_times.append(time.perf_counter() - start)
 
 
     def cmd_levels_broadcast_interval_override(self, ms: int, reset: int = NO_RESET) -> int: