Why was no session file created?
If it is native code, did you turn on Performance Analysis from Native C/C instrumentation manager before you did the build?
For DPS8.0 only.
You may have more success by using our command line profiler. The syntax to do this is:
c:> DPAnalysis /perf /p YourApp.exe
DPAnalysis is located in your "Compuware\DevPartner Studio\Analysis" directory. You can substitute the "/cov" switch for "/perf" if you are using Coverage Analysis.