rem: print_time("finding device", time);
context: 	void MediaChanged(BMessage *message)	{bigtime_t time = system_time();		printf("TestApp::MediaChanged()\n");		PrintDeviceInfo(message);print_time("PrintDeviceInfo()", time);		int32 id;		if (message->FindInt32("device_id", &id) == B_OK) {			for (int32 i = 0; BDiskDevice *device = fDevices.ItemAt(i); i++) {				if (device->UniqueID() == id) {					bool updated;print_time("finding device", time);					status_t error = device->Update(&updated);print_time("updating device", time);					printf("updated: %d\n", updated);					if (error == B_OK) {						DumpVisitor visitor;						device->Traverse(&visitor);print_time("dumping device", time);					} else {						printf("device->Update() failed: %s\n",							   strerror(error));					}					break;				}			}		}	}