V$WAITCLASSMETRIC

V$WAITCLASSMETRIC displays metric values of wait classes for the most recent 60-second interval. A history of the last one hour will be kept in the system.

Column	Datatype	Description
`BEGIN_TIME`	`DATE`	Begin time of the interval
`END_TIME`	`DATE`	End time of the interval
`INTSIZE_CSEC`	`NUMBER`	Interval size (in hundredths of a second)
`WAIT_CLASS#`	`NUMBER`	Number of the class of the wait event
`WAIT_CLASS_ID`	`NUMBER`	Identifier of the class of the wait event
`AVERAGE_WAITER_COUNT`	`NUMBER`	Average waiter count
`DBTIME_IN_WAIT`	`NUMBER`	Percent of database time spent in the wait
`TIME_WAITED`	`NUMBER`	Time waited during the interval (in microseconds)
`WAIT_COUNT`	`NUMBER`	Number of times waited