• _camera_diag() : camera_many_warn_test , camera_stale_test , monitor_latch_test , no_heartbeat_test , camera_warn_test
• _convert_to_list() : pr2_hardware_test_monitor::diag_agg_listener
• _ecat_diag() : encoder_error_test , dropped_packet_test
• _make_message() : pr2_hardware_test_monitor::pr2_hw_monitor
• check_position() : pr2_hardware_test_monitor::trans_listener
• create_listener() : pr2_hardware_test_monitor::pr2_hw_monitor