Send the #start message to the default UlcProfiler. Every UIRequest arriving from the UIEngine will be profiled unless one is already being profiled. Profiling stops when you send the #stop message to the default UlcProfiler. No new UIRequests will be profiled after this. The current profiling will run its full course however.
Send the #enable message to the default instance of UlcProfiler ( UlcProfiler default). If this message is not sent to the profiler, subsequent start/stop commands have no effect. When enabled, the profiler can be started and stopped repeatedly.
Send the #disable message to the default profiler to prevent any further profiling. The disabled profiler will hold on to its active context. It is therefore possible to enable it again later and it will work on the same UlcContext.
All commands are available from the Transcript->ULC->Tools->Profiling menu.