--- old/src/share/vm/runtime/objectMonitor.cpp	2013-04-15 09:52:01.012485000 +0200
+++ new/src/share/vm/runtime/objectMonitor.cpp	2013-04-15 09:52:00.232483700 +0200
@@ -973,7 +973,7 @@
 #if INCLUDE_TRACE
    // get the owner's thread id for the MonitorEnter event
    // if it is enabled and the thread isn't suspended
-   if (not_suspended && Tracing::enabled(TraceJavaMonitorEnterEvent)) {
+   if (not_suspended && Tracing::is_event_enabled(TraceJavaMonitorEnterEvent)) {
      _previous_owner_tid = SharedRuntime::get_java_tid(Self);
    }
 #endif