*** old/src/share/vm/utilities/events.hpp	Tue Dec  9 14:42:33 2014
--- new/src/share/vm/utilities/events.hpp	Tue Dec  9 14:42:33 2014

*** 88,98 ****
--- 88,98 ----
    EventLogBase<T>(const char* name, int length = LogEventsBufferEntries):
      _name(name),
      _length(length),
      _count(0),
      _index(0),
!     _mutex(Mutex::event, name, false, Monitor::_safepoint_check_never) {
      _records = new EventRecord<T>[length];
    }
  
    double fetch_timestamp() {
      return os::elapsedTime();