Index: leahi_dialin/td/modules/treatment.py
===================================================================
diff -u -r1f2bf6d939eb4033dbedb7d7005494cc12fccbc6 -r8ad61b1fa2e79b11b1c3db53a3242662e8eb9adf
--- leahi_dialin/td/modules/treatment.py	(.../treatment.py)	(revision 1f2bf6d939eb4033dbedb7d7005494cc12fccbc6)
+++ leahi_dialin/td/modules/treatment.py	(.../treatment.py)	(revision 8ad61b1fa2e79b11b1c3db53a3242662e8eb9adf)
@@ -16,6 +16,7 @@
 
 # Module imports
 from logging import Logger
+import time
 
 # Project imports
 from leahi_dialin.common.constants import NO_RESET
@@ -129,6 +130,7 @@
         self.hep_bolus_vol = 0.0                    #: The Heparin bolus volume
         self.uf_vol = 0.0                           #: The Ultrafiltration volume
         self.tx_param_req_timestamp = 0             #: The timestamp of the latest Treatment Parameters Request message
+        self.handler_execution_times = []
 
 
     @publish(["msg_id_td_treatment_param_ranges", "min_tx_time","max_tx_time","min_uf_volume","max_uf_volume",
@@ -140,6 +142,7 @@
         @param message:  published treatment parameter range data message
         @return: none
         """
+        start = time.perf_counter()
         msg_list = []
         msg_list.append(['self.min_tx_time',    DataTypes.U32])
         msg_list.append(['self.max_tx_time',    DataTypes.U32])
@@ -151,6 +154,7 @@
         self.process_into_vars(decoder_list = msg_list,
                                message = message)
         self.tx_params_timestamp = timestamp
+        self.handler_execution_times.append(time.perf_counter() - start)
 
 
     @publish(["msg_id_td_saline_bolus_data", "tgt_saline_volume","cum_saline_volume","bol_saline_volume",