V$MUTEX_SLEEP

V$MUTEX_SLEEP shows the wait time, and the number of sleeps for each combination of mutex type and location.

Column	Datatype	Description
`MUTEX_TYPE`	`VARCHAR2(32)`	Type of action/object the mutex protects
`LOCATION`	`VARCHAR2(40)`	The code location where the waiter slept for the mutex
`SLEEPS`	`NUMBER`	Number of sleeps for this `MUTEX_TYPE` and `LOCATION`
`WAIT_TIME`	`NUMBER`	Wait time in microseconds
`CON_ID`	`NUMBER`	The ID of the container to which the data pertains. Possible values include: `0`: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. `1`: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data