Right click the My Hotspots Filters node and select Add Filter.

The Create a New Hotspots Filter dialog will open.

The new filter shows up under the My Hotspots Filters node. The filter will only contain the processes, threads, modules and functions that match the filter criteria.

Right click a node in the process hierarchy and select Add Filter

The Create a New Hotspots Filter dialog will open. The filter criteria will be pre-populated to match the selected process hierarchy node. Modify the filter criteria if desired and click OK.

Each filter that is created will be automatically applied to all the Activities in the same Session.
It is possible to hide filters from view without deleting them. Right click the My Hotspots Filters node and select Manage Hotspots Filters to open the Manage Hotspots Filters dialog.

To hide a filter uncheck that filter in the list and then click OK.

The filter will no longer be visible under the My Hotspots Filters node. Opening the dialog again will allow the filter to be enabled again.