26.4.3.50 The waits_by_host_by_latency and x$waits_by_host_by_latency Views

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.