Monitor contention views

Monitor contention views show a table where every row corresponds to a waiting or blocking event on a monitor. There are two monitor contention views:

current monitor usage view
The current monitor usage view shows monitors that are currently involved in a waiting or blocking operation.
monitor usage history view
The monitor usage history view shows the sequence of waiting and blocking operations on monitors above the configured thresholds.

Note that these views are unavailable if monitor contention views are disabled.

The monitor contention views share the following 6 columns: sortable.

Time
The start time of the event.
Duration
The duration of the event. The event may still be in progress.
Type
The type of the event, one of "waiting" or "blocked".
Monitor ID
The ID of the monitor for identifying multiple events on a particular monitor instance.
Monitor class
The class of the monitor. If no Java object is associated with this monitor [raw monitor] is displayed.
Waiting thread
The thread that is or was waiting during the event.