How to: View the ASP.NET Performance Counters Available on Your Computer
You can see available system-level performance counters for ASP.NET using Windows performance-counter tools.
To view the available ASP.NET counters
In Windows, click Start, and then click Run.
In the Run dialog box, enter perfmon and then click OK.
In the Performance dialog box, select System Monitor in the tree.
In the status pane toolbar, click the View Report button.
In the toolbar, click the Add button.
The Add Counters dialog box appears.
Under Performance object, select the ASP.NET object to track, select All counters, then click Add.
For information about each of the ASP.NET performance counters, see Performance Counters for ASP.NET.