|float||jack_get_max_delayed_usecs (jack_client_t *client)|
|float||jack_get_xrun_delayed_usecs (jack_client_t *client)|
|void||jack_reset_max_delayed_usecs (jack_client_t *client)|
Reset the maximum delay counter. This would be useful to estimate the effect that a change to the configuration of a running system (e.g. toggling kernel preemption) has on the delay experienced by JACK, without having to restart the JACK engine.