You can enable perfdump URI for a virtual server through the Admin Console.
The statistics displayed by perfdump are for the server as a whole. If you enable perfdump on one virtual server, it displays statistics for the whole server, not an individual virtual server.
From Common Tasks, select a configuration.
Select the virtual server and click Edit Virtual Server.
Click the Monitoring Settings tab.
Select the Plain Text Report Enabled checkbox.
Provide a URI for accessing the report, for example /.perf.
Deploy the configuration.
To access perfdump, access the URI on the virtual server.
For example: http://localhost:80/.perf
You can request the perfdump statistics and specify how frequently the browser should automatically refresh as measured in seconds. The following example sets the refresh to every 5 seconds: