--- a/hotspot/src/share/vm/runtime/objectMonitor.cpp	Tue Mar 01 09:42:19 2016 +0100
+++ b/hotspot/src/share/vm/runtime/objectMonitor.cpp	Tue Mar 01 23:46:09 2016 +0100
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1998, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -401,7 +401,7 @@
 
   if (event.should_commit()) {
     event.set_klass(((oop)this->object())->klass());
-    event.set_previousOwner((TYPE_JAVALANGTHREAD)_previous_owner_tid);
+    event.set_previousOwner((TYPE_THREAD)_previous_owner_tid);
     event.set_address((TYPE_ADDRESS)(uintptr_t)(this->object_addr()));
     event.commit();
   }
@@ -937,7 +937,7 @@
   // get the owner's thread id for the MonitorEnter event
   // if it is enabled and the thread isn't suspended
   if (not_suspended && Tracing::is_event_enabled(TraceJavaMonitorEnterEvent)) {
-    _previous_owner_tid = SharedRuntime::get_java_tid(Self);
+    _previous_owner_tid = THREAD_TRACE_ID(Self);
   }
 #endif
 
@@ -1391,11 +1391,12 @@
                                             jlong notifier_tid,
                                             jlong timeout,
                                             bool timedout) {
+  assert(event != NULL, "invariant");
   event->set_klass(((oop)this->object())->klass());
-  event->set_timeout((TYPE_ULONG)timeout);
-  event->set_address((TYPE_ADDRESS)(uintptr_t)(this->object_addr()));
-  event->set_notifier((TYPE_OSTHREAD)notifier_tid);
-  event->set_timedOut((TYPE_BOOLEAN)timedout);
+  event->set_timeout(timeout);
+  event->set_address((TYPE_ADDRESS)this->object_addr());
+  event->set_notifier(notifier_tid);
+  event->set_timedOut(timedout);
   event->commit();
 }
 
@@ -1655,7 +1656,7 @@
       iterator->TState = ObjectWaiter::TS_ENTER;
     }
     iterator->_notified = 1;
-    iterator->_notifier_tid = Self->osthread()->thread_id();
+    iterator->_notifier_tid = THREAD_TRACE_ID(Self);
 
     ObjectWaiter * list = _EntryList;
     if (list != NULL) {