code: function profilerMarkArgs(arg0, arg1, arg2) {
          if (arg2 !== undefined) {
              return "(" + arg0 + ";" + arg1 + ";" + arg2 + ")";
          } else if (arg1 !== undefined) {
              return "(" + arg0 + ";" + arg1 + ")";
          } else if (arg0 !== undefined) {
              return "(" + arg0 + ")";
          } else {
              return "";
          }
      }
docs: Profiler mark helpers  markerType must be one of the following: info, StartTM, StopTM