Index: leahi_dialin/dd/modules/valves.py
===================================================================
diff -u -re45b20cdc5d4c5dcff8cef530b173ca94cb2e422 -r820c94585ab5d85c40395e828c4dfe2da164c105
--- leahi_dialin/dd/modules/valves.py	(.../valves.py)	(revision e45b20cdc5d4c5dcff8cef530b173ca94cb2e422)
+++ leahi_dialin/dd/modules/valves.py	(.../valves.py)	(revision 820c94585ab5d85c40395e828c4dfe2da164c105)
@@ -18,6 +18,7 @@
 from collections import OrderedDict
 from logging import Logger
 import struct
+import time
 
 # Project imports
 from leahi_dialin.common.constants import NO_RESET
@@ -110,6 +111,7 @@
             self.valve_states_enum[valve_name] = 0
             self.valves_sensed_states[valve_name] = ''
 
+        self.handler_execution_times = []
 
     def get_valve_states(self):
         """
@@ -230,6 +232,7 @@
         @param message:  published DD valves states message
         @return: none
         """
+        start = time.perf_counter()
         vsa = struct.unpack(DataTypes.U32.unpack_attrib(), bytearray(message['message'][self.START_POS_VALVES_STATES:self.END_POS_ALL_VALVES]))
         self.valve_states_all = vsa[0]
 
@@ -285,6 +288,7 @@
             start = end
             end += 1
         self.dd_valves_states_timestamp = timestamp
+        self.handler_execution_times.append(time.perf_counter() - start)
 
 
     def cmd_valve_broadcast_interval_override(self, ms: int, reset: int = NO_RESET) -> int: