anchor.diff:      ?line {call_time, CT} = erlang:trace_info({?MODULE,loaded,1}, call_time),
   
       ?line lists:foreach(fun (Pid) ->
  -	    ?line ok = check_process_time(lists:keysearch(Pid, 1, CT), M, F, T1)
  +	    ?line ok = case check_process_time(lists:keysearch(Pid, 1, CT), M, F, T1) of
  +		schedule_time_error ->
  +		    test_server:comment("Warning: Failed time ratio"),
  +		    ok;
  +		Other -> Other
  +	    end
   	end, Pids),
       ?line P  = erlang:trace_pattern({'_','_','_'}, false, [call_time]),
       ok.
  
positive.code: 	 pause_and_restart/1, scheduling/1, called_function/1, combo/1, bif/1, nif/1]).
  
  init_per_testcase(_Case, Config) ->
      ?line Dog=test_server:timetrap(test_server:seconds(120)),
      erlang:trace_pattern({'_','_','_'}, false, [local,meta,call_time,call_count]),
      erlang:trace_pattern(on_load, false, [local,meta,call_time,call_count]),
      timer:now_diff(now(),now()),
  
negative.code:     ["Tests in/out scheduling of call time counters"];
  scheduling(Config) when is_list(Config) ->
      ?line P  = erlang:trace_pattern({'_','_','_'}, false, [call_time]),
      ?line M  = 1000000,
      ?line Np = erlang:system_info(schedulers_online),
      ?line F  = 12,
  
  