docs: function avg(input, output) {
  
    var event = input[0];
    if (event.what === 0 && event.total === 0) {
      return [];
    }
    return [ output, [ 'total', cyan + event.what.toFixed(3) + close ],
      [ 'average', cyan + (event.what / event.total).toFixed(3) + close ],
      [ 'max', cyan + event.max.toFixed(3) + close ],
      [ 'min', cyan + event.min.toFixed(3) + close ], [ '' ] ];
  }