Counter Timeline Settings
Display the time scale along the x-axis
Display the time scale along the y-axis. By default, this option is enabled so that you can see the scale.
Show the legend in the right margin of the timeline. It is also enabled by default.
Adjust graphics to legend height
Make the size of the diagram large enough to show all legend items
Select either a single diagram for all selected counters and target group children or a separate diagram for each target group child