code: def addInstance(self, inst_id):
          
          self.instances.add(inst_id)
          self.requestTracker.add_instance(inst_id)
          self.numOrderedRequests[inst_id] = (0, 0)
          rm = self.create_throughput_measurement(self.config)
  
          self.throughputs[inst_id] = rm
          lm = self.latency_measurement_cls(self.config)
          self.clientAvgReqLatencies[inst_id] = lm
          if self.acc_monitor:
              self.acc_monitor.add_instance(inst_id)
docs: Add one protocol instance for monitoring.