Index: leahi_dialin/td/modules/buttons.py
===================================================================
diff -u -re45b20cdc5d4c5dcff8cef530b173ca94cb2e422 -r820c94585ab5d85c40395e828c4dfe2da164c105
--- leahi_dialin/td/modules/buttons.py	(.../buttons.py)	(revision e45b20cdc5d4c5dcff8cef530b173ca94cb2e422)
+++ leahi_dialin/td/modules/buttons.py	(.../buttons.py)	(revision 820c94585ab5d85c40395e828c4dfe2da164c105)
@@ -17,6 +17,7 @@
 # Module imports
 from logging import Logger
 import struct
+import time
 
 # Project imports
 from leahi_dialin.common.constants import NO_RESET
@@ -52,6 +53,7 @@
 
         self.td_power_off_timestamp = 0.0                       #: The timestamp of the last message
         self.poweroff_timeout_expired = False                   #: The Power Off timeout value
+        self.handler_execution_times = []
 
 
     def reset_poweroff_timeout_expired(self):
@@ -71,6 +73,7 @@
         @param message: The poweroff timeout occurred message string
         @return: None
         """
+        start = time.perf_counter()
         if len(message["message"]) < 16:
             self.logger.debug("Poweroff message id detected, but was the wrong length.")
             return
@@ -81,6 +84,7 @@
         if len(mode) > 0:
             self.poweroff_timeout_expired = bool(mode[0])
         self.td_power_off_timestamp = timestamp
+        self.handler_execution_times.append(time.perf_counter() - start)
 
 
     def cmd_off_button_override(self, state: int, reset: int = NO_RESET) -> int: