These views summarize wait events, grouped by host and event. By default, rows are sorted by host and descending total latency. Idle events are ignored.
The waits_by_host_by_latency
and
x$waits_by_host_by_latency
views
have these columns:
host
The host from which the connection originated.
event
The event name.
total
The total number of occurrences of the event for the host.
total_latency
The total wait time of timed occurrences of the event for the host.
avg_latency
The average wait time per timed occurrence of the event for the host.
max_latency
The maximum single wait time of timed occurrences of the event for the host.