--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/runtime/threadStatisticalInfo.hpp	Mon Jun 25 16:00:56 2018 +0200
@@ -0,0 +1,48 @@
+/*
+ * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2018 SAP SE. 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.
+ *
+ */
+
+#ifndef SHARE_VM_RUNTIME_THREADSTATISTICS_HPP
+#define SHARE_VM_RUNTIME_THREADSTATISTICS_HPP
+
+#include "jni.h"
+#include "runtime/os.hpp"
+#include "utilities/globalDefinitions.hpp"
+
+
+class ThreadStatisticalInfo {
+  // The time stamp the thread was started.
+  const uint64_t _start_time_stamp;
+  uint64_t _define_class_count;
+
+public:
+  ThreadStatisticalInfo() : _start_time_stamp(os::javaTimeMillis()), _define_class_count(0) {}
+  uint64_t getStartTime() const             { return _start_time_stamp; }
+  uint64_t getDefineClassCount() const                    { return  _define_class_count; }
+  void     setDefineClassCount(uint64_t defineClassCount) { _define_class_count = defineClassCount; }
+  void     incr_define_class_count()                      { _define_class_count += 1; }
+  uint64_t getElapsedTime() const           { return os::javaTimeMillis() - getStartTime(); }
+};
+
+#endif // SHARE_VM_RUNTIME_THREADSTATISTICS_HPP