These views summarize wait events, grouped by event. By default, rows are sorted by descending total latency. Idle events are ignored.
The waits_global_by_latency and
x$waits_global_by_latency views
have these columns:
eventsThe event name.
totalThe total number of occurrences of the event.
total_latencyThe total wait time of timed occurrences of the event.
avg_latencyThe average wait time per timed occurrence of the event.
max_latencyThe maximum single wait time of timed occurrences of the event.