Alternatives

If GpProfile doesn't cover your needs, you might want to check other Delphi profilers:

More:

Delphi Profiler (Axiomatic Software)

Lightning (Techmarc)

ProDelphi (Helmuth J. H. Adolph)

SourceCoder (Peter Tiemann)

Speed Daemon (IntegrationWare)

SpeedItUp (Robert Lechner)

VTune (Intel)