To start using TuningFork with a trace file select "Open Trace" from the File menu. TuningFork traces have the extension .trace, and several example trace files are provided with the release. You may open multiple trace files at once by multi-selecting in the Open File dialog box.
TuningFork currently supports trace files of up to about a gigabyte.
TuningFork can also connect over a socket to to a live trace source by selecting "Connect to Trace" from the File menu. You will need to provide the hostname and port number of the trace source to which you want to connect.