Collecting process time information on your application
  tells you where your application is spending the most
  process, or CPU, time. Process time excludes external
  factors such as device wait loops and system load from
  the data sampling on your application. Thus you get a
  good indication of where your application has compute-
  bound performance bottlenecks.

  To collect process time information on your
  application:

  o  Compile and link your application with the PCA
     Collector

  o  Run your application. This causes the PCA Collector
     to take control of your application. PCA diplays the
     Collector main window on your screen.

  o  From the File pull-down menu, create a data file
     into which the Collector places performance data.

  o  Choose the Process Execution query category.

  o  Click on the process time query.

  o  Click on Collect in the Collector main window.

  For information on displaying the results of the
  process time query, refer to:

  o  The hardcopy manual, Guide to DIGITAL Performance
     and Coverage Analyzer for OpenVMS Systems

  o  The online help for the PCA Analyzer.