Index: leahi_dialin/dd/modules/heaters.py
===================================================================
diff -u -re45b20cdc5d4c5dcff8cef530b173ca94cb2e422 -r820c94585ab5d85c40395e828c4dfe2da164c105
--- leahi_dialin/dd/modules/heaters.py	(.../heaters.py)	(revision e45b20cdc5d4c5dcff8cef530b173ca94cb2e422)
+++ leahi_dialin/dd/modules/heaters.py	(.../heaters.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
@@ -82,6 +83,7 @@
         self.dbg7 = 0.0
         self.dbg8 = 0.0
         self.dbg9 = 0.0
+        self.handler_execution_times = []
 
         
     @publish(["msg_id_dd_heaters_data", "dd_heaters",
@@ -94,6 +96,7 @@
         @param message:  published DD heaters data message
         @returns none
         """
+        start = time.perf_counter()
         sensor_list = []
         sensor_list.append((dd_enum_repository.DDHeaterNames.D5_HEAT.name, dd_enum_repository.DDHeaterAttributes.HEAT_DUTY_CYCLE.name,      DataTypes.F32))
         sensor_list.append((dd_enum_repository.DDHeaterNames.D45_HEAT.name, dd_enum_repository.DDHeaterAttributes.HEAT_DUTY_CYCLE.name,     DataTypes.F32))
@@ -123,6 +126,7 @@
                                message = message,
                                start_from_byte = len(sensor_list) * DataTypes.U32.size())
         self.dd_heaters_timestamp = timestamp
+        self.handler_execution_times.append(time.perf_counter()-start)
 
 
     def cmd_heaters_broadcast_interval_override(self, ms: int, reset: int = NO_RESET) -> int: