220.127.116.11 The waits_global_by_latency and x$waits_global_by_latency Views
These views summarize wait events, grouped by event. By default, rows are sorted by descending total latency. Idle events are ignored.
The event name.
The total number of occurrences of the event.
The total wait time of timed occurrences of the event.
The average wait time per timed occurrence of the event.
The maximum single wait time of timed occurrences of the event.