System Resources Usage Timeline
Use shift-select on a chart area to zoom in or out. Use the cursor to move the chart forward or backward. Hover the cursor over a colored portion of a bar in the graph to show the number of events for the selected type during that time period.
Select the Edit icon to type a custom widget title, enter the refresh interval, and select the time period. The default refresh interval is 300 seconds. The default time period is the last three days.