anchor.diff:                                     [total, processes, system, atom, binary,
                                       ets], ?INTERVAL, [], true),
   
  -	% Recon alloc.
  +    % Recon alloc.
       ok = exometer:new([recon, alloc],
                         {function, recon_alloc, memory, ['$dp'], value,
                          [used, allocated, unused, usage]}),
  
positive.code:                                    [process_count, port_count], ?INTERVAL,
                                     [], true),
  
  	% VM statistics.
      ok = exometer:new([erlang, statistics],
                        {function, erlang, statistics, ['$dp'], value,
                         [run_queue]}),
  
negative.code:                                     std_alloc, temp_alloc], ?INTERVAL,
                                     [], true),
  
      % System process & port counts.
      ok = exometer:new([erlang, system],
                        {function, erlang, system_info, ['$dp'], value,
                         [process_count, port_count]}),
  