Profiling your requestor session
Use the Performance Profiler to profile rule usage for your requestor session. By profiling your session, you can readily associate user actions with profile results.
To profile execution of activities, data transforms, and when condition rules in your requestor session, do the following steps.
In the header of Dev Studio, click.
Click the Click to Start icon (green arrow) to begin Profiler data collection in the background. The label beside the icon changes from State:Stopped to State:Running and the icon changes to Click to Stop.
Execute the activities or other rules to be profiled.
Click the Click to Stop icon (red square) to turn the Profiler off.