inline PerfClassTraceTime(PerfLongCounter* timep,     /* counter incremented with inclusive time */
                            PerfLongCounter* selftimep, /* counter incremented with exclusive time */
                            PerfLongCounter* eventp,    /* event counter */
                            int* recursion_counters,    /* thread-local recursion counter array */
                            elapsedTimer* timers,       /* thread-local timer array */
                            int type                    /* event type */ ) :
      _timep(timep), _selftimep(selftimep), _eventp(eventp), _recursion_counters(recursion_counters), _timers(timers), _event_type(type) {

  {- -------------------------------------------
  (1) PerfClassTraceTime::initialize() を呼び出すだけ.
      ---------------------------------------- -}

        initialize();
      }