Note: Available for Oracle 10g and later.
The Category Events page contains a single table which shows statistics associated with wait events for the Category selected at the top of the Waiting Events page.
To open the Category Events page
Click Activity | Waiting Events Page | Category Events.
 
Grid: Events in the category
This table contains data only when a wait category (and, optionally, a wait event) is selected in the drop-down list at the top of the page.
| Column | Description | 
|---|---|
| Event | The specified event type that contributes to the | 
| Total waits | The number of times that the current event type occurred during the current Spotlight session. | 
| Waits/s | How many times the specified event occurs per second. | 
| % Total waits | The amount of time consumed by the specified event as a percentage of the total  | 
| Total wait time | The amount of time that has been consumed by the specified event during the current Spotlight session. | 
| Wait time/s | The amount of time consumed per second by the specified event. | 
| % Total time waited | The amount of time consumed per second by the specified event as a percentage of the total | 
| Avg Wait | The average time taken for a single wait event of the specified type. |