There are a few simple options available to the GPU PerfClient application. These can be used from a command prompt, or by creating a custom shortcut to launch the GPU PerfClient application. The Client command line options that are available are as follows (note that double dashes ("--") are required):
GPUPerfClient.exe [--server <IPv4 or HostName> [--port <port number>] [--app <path to app> [--appargs <app arguments>]]]
--server <IPv4 or HostName>: Attempt to automatically connect to this server on startup
--port <port number>: Only valid with --server or --app arguments. Use this port instead of the default for the connection.
--app <path to app>: Only valid for local 32 bit app debugging. Launch the specified application with GPU PerfServer automatically when starting GPU PerfClient
--appargs <app arguments>: Specify any arguments that should be passed to the application being launched with the --app command
Straight from the .chm included with PerfStudio2 v14.1667.0. If you code can run with no args, drag-n-drop should work.