Error out if the event queue is empty. Useful as a quick check for deadlock.
Print an ordered list of all events in the checking event queue and execution event queue.
Print full-context of the source in which event event-id occurs.
Print the state information about instance named inst. The name inst need not be canonical. Information includes current run-time value, if applicable.
Prints a table header suitable for interpreting printed event records.
Print a list of all events currently subscribed to the value of variable inst. Such events are alerted for rechecking when value of inst changes.