anchor.diff:  	    });
   	_ -> 
   	    parse_profile_options(Opts, {TOpts, POpts})
  -
       end.
  
positive.code: %%	All events are stored in the file given by Filename. 
  %%	An explicit call to stop/0 is needed to stop profiling. 
  
  -spec(start/2 :: (
  	Filename :: string(),
  	Options :: [percept_option()]) ->
  	{'ok', port()} | {'already_started', port()}).
  
  start(Filename, Options) ->
      profile_to_file(Filename, Options). 
  
negative.code: 
  %% @type percept_option() = procs | ports | exclusive
  
  -type percept_option() :: 'procs' | 'ports' | 'exclusive' | 'scheduler'.
  
  %%==========================================================================
  %%
  