SERVICE_NAME | 
VARCHAR2(64) | 
Service name from V$SERVICES | 
SERVICE_NAME_HASH | 
NUMBER | 
Service name hash from V$SERVICES | 
EVENT | 
VARCHAR2(64) | 
Name of the wait event; derived statistic name from V$EVENT_NAME | 
EVENT_ID | 
NUMBER | 
Identifier of the event | 
TOTAL_WAITS | 
NUMBER | 
Total amount of time waited for the event by this service (in hundredths of a second) | 
TOTAL_TIMEOUTS | 
NUMBER | 
Total number of timeouts for the event by this service | 
TIME_WAITED | 
NUMBER | 
Time waited for the event (in hundredths of a second) | 
AVERAGE_WAIT | 
NUMBER | 
Average amount of time waited for the event by this service (in hundredths of a second) | 
MAX_WAIT | 
NUMBER | 
Maximum time (in hundredths of a second) waited for the event by this service | 
TIME_WAITED_MICRO | 
NUMBER | 
Total time waited for the event (in microseconds) |