10.10 V$SERVICE_WAIT_CLASS

V$SERVICE_WAIT_CLASS displays aggregated wait counts and wait times for each wait statistic.

An aggregation of these wait classes is used when thresholds are imported.

Column Datatype Description

SERVICE_NAME

VARCHAR2(64)

Service name from V$SERVICES

SERVICE_NAME_HASH

NUMBER

Service name hash from V$SERVICES

WAIT_CLASS_ID

NUMBER

Identifier of the wait class

WAIT_CLASS#

NUMBER

Number of the wait class

WAIT_CLASS

VARCHAR2(64)

Name of the wait class

TOTAL_WAITS

NUMBER

Total number waits from this wait class by the service

TIME_WAITED

NUMBER

Total amount of time spent in waits from this wait class by the service (in hundredths of a second)

TIME_WAITED_MICRO

NUMBER

Total amount of time spent in waits from this wait class by the service (in microseconds)

CPU

NUMBER

Total amount of CPU time consumed by the service while implementing waits from this wait class (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