anchor.diff:  	rootset   = [],
   	pattern   = {'_','_','_'},
   	bpd       = Bpd
  -    }};
  -
  -handle_info(Info, State) ->
  -    io:format("handle_info: ~p~nstate: ~p~n", [Info,State]),
  -    {noreply, State}.
  +    }}.
   
   %% -------------------------------------------------------------------- %%
   %%
  
positive.code: handle_call({profile, _Rootset, _Pattern, _M,_F,_A}, _From, #state{ profiling = true } = S)->
      {reply, {error, already_profiling}, S};
  
  handle_call({profile, Rootset, Pattern, M,F,A}, From, S) ->
  
      set_pattern_trace(false, S#state.pattern),
      set_process_trace(false, S#state.rootset),
  
negative.code: 	profiling = false,
  	pattern   = {'_','_','_'},
  	rootset   = [],
  	fd    = undefined,
  	start_ts  = undefined,
  	reply     = undefined,
  	bpd       = #bpd{}
  