--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cpu/x86/vm/rtmLocking.cpp	Thu Mar 20 17:49:27 2014 -0700
@@ -0,0 +1,59 @@
+/*
+ * Copyright (c) 2014, 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
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "runtime/task.hpp"
+#include "runtime/rtmLocking.hpp"
+
+// One-shot PeriodicTask subclass for enabling RTM locking
+uintx RTMLockingCounters::_calculation_flag = 0;
+
+class RTMLockingCalculationTask : public PeriodicTask {
+ public:
+  RTMLockingCalculationTask(size_t interval_time) : PeriodicTask(interval_time){  }
+
+  virtual void task() {
+    RTMLockingCounters::_calculation_flag = 1;
+    // Reclaim our storage and disenroll ourself
+    delete this;
+  }
+};
+
+void RTMLockingCounters::init() {
+  if (UseRTMLocking && RTMLockingCalculationDelay > 0) {
+    RTMLockingCalculationTask* task = new RTMLockingCalculationTask(RTMLockingCalculationDelay);
+    task->enroll();
+  } else {
+    _calculation_flag = 1;
+  }
+}
+
+//------------------------------print_on-------------------------------
+void RTMLockingCounters::print_on(outputStream* st) {
+  tty->print_cr("# rtm locks total (estimated): " UINTX_FORMAT, _total_count * RTMTotalCountIncrRate);
+  tty->print_cr("# rtm lock aborts  : " UINTX_FORMAT, _abort_count);
+  for (int i = 0; i < ABORT_STATUS_LIMIT; i++) {
+    tty->print_cr("# rtm lock aborts %d: " UINTX_FORMAT, i, _abortX_count[i]);
+  }
+}