SWI-Prolog -- profiler/2

Documentation
- Reference manual
  - Built-in Predicates
    - Execution profiling
      - Profiling predicates
        
        profile/1
        
        profile/2
        
        show_profile/1
        
        profiler/2
        
        reset_profiler/0
        
        noprofile/1
- Packages

Availability:built-in

profiler(-Old, +New)

Query or change the status of the profiler. The status is one of

false: The profiler is not activated.
cputime: The profiler collects CPU statistics.
walltime: The profiler collects wall time statistics.

The value true is accepted as a synonym for cputime for compatibility reasons.