src/share/vm/runtime/timer.cpp

*** 34,43 ****
--- 34,59 ----
  
  double TimeHelper::counter_to_millis(jlong counter) {
    return counter_to_seconds(counter) * 1000.0;
  }
  
+ elapsedTimer::elapsedTimer(jlong time, jlong timeUnitsPerSecond) {
+   _active = false;
+   jlong osTimeUnitsPerSecond = os::elapsed_frequency();
+   assert(osTimeUnitsPerSecond % 1000 == 0, "must be");
+   assert(timeUnitsPerSecond % 1000 == 0, "must be");
+   while (osTimeUnitsPerSecond < timeUnitsPerSecond) {
+     timeUnitsPerSecond /= 1000;
+     time *= 1000;
+   }
+   while (osTimeUnitsPerSecond > timeUnitsPerSecond) {
+     timeUnitsPerSecond *= 1000;
+     time /= 1000;
+   }
+   _counter = time;
+ }
+ 
  void elapsedTimer::add(elapsedTimer t) {
    _counter += t._counter;
  }
  
  void elapsedTimer::start() {