DBA_HIST_MUTEX_SLEEP

DBA_HIST_MUTEX_SLEEP displays mutex sleep summary historical statistics information.

Column	Datatype	NULL	Description
`SNAP_ID`	`NUMBER`	`NOT NULL`	Unique snapshot ID
`DBID`	`NUMBER`	`NOT NULL`	Database identifier for the snapshot
`INSTANCE_NUMBER`	`NUMBER`	`NOT NULL`	Instance number for the snapshot
`MUTEX_TYPE`	`VARCHAR2(32)`	`NOT NULL`	Mutex type
`LOCATION`	`VARCHAR2(40)`	`NOT NULL`	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_DBID`	`NUMBER`		The database ID of the PDB for the sampled session
`CON_ID`	`NUMBER`		The ID of the container that `CON_DBID` identifies. 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