How to: Set Current Performance Session
You can open multiple performance sessions in Performance Explorer, and can then select the session you want to work with. After you set a session as the current session, you can launch it by using the Launch button on the Performance Explorer toolbar.
To set current performance session
In Performance Explorer, right-click the performance session, and then click Set as Current Session.
The session name appears in bold.
See Also
Concepts
Guidelines for Using Performance Tools
Performance Session Overview