The Waits page shows wait events for the Oracle database. Deal With Wait Events
To open the Waits page
Click Activity | Waits.
 
Event Waits Grid
The Event Waits grid shows each individual wait event, together with the rate of waits, and time waited over the past time period.
Tips:
| Column | Description | 
|---|---|
| Event | The name of the event. | 
| Total waits | The total number of waits. | 
| Waits/s | How many waits per second. | 
| % Total | The percentage of waits of this event against waits of all events. | 
| Total wait time | The total amount of the time waited, measured in milliseconds. | 
| Wait time/s | The number of milliseconds waited per second. | 
| % Total | The percentage of the waited time of this event against waited times of all events. | 
| Avg wait | The average time waited, measured in milliseconds. | 
| Event category | 
Event Waits Chart
The Event Waits chart (also available on the Activity | Summary Page ) shows the amount of time (in milliseconds) that sessions have spent waiting on various events per second. Event wait categories from V$SYSTEM_EVENT are aggregated into categories so that they can be graphed.
For more information about wait events, see Deal With Wait Events.
Notes: