--- /dev/null	2017-11-09 09:38:01.297999907 +0100
+++ new/src/hotspot/os/windows/pdh_interface.hpp	2018-04-09 14:26:55.914266707 +0200
@@ -0,0 +1,64 @@
+/*
+ * Copyright (c) 2012, 2018, 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.
+ *
+ */
+
+#ifndef OS_WINDOWS_VM_PDH_INTERFACE_HPP
+#define OS_WINDOWS_VM_PDH_INTERFACE_HPP
+
+#include "memory/allocation.hpp"
+#include <pdh.h>
+#include <pdhmsg.h>
+
+class PdhDll: public AllStatic {
+ private:
+  static LONG       _pdh_reference_count;
+  static LONG       _critical_section;
+  static LONG       _initialized;
+  static HMODULE    _hModule;
+  static void       initialize();
+  static PDH_STATUS (WINAPI *_PdhAddCounter)(HQUERY, LPCSTR, DWORD, HCOUNTER*);
+  static PDH_STATUS (WINAPI *_PdhOpenQuery)(LPCWSTR, DWORD, HQUERY*);
+  static DWORD      (WINAPI *_PdhCloseQuery)(HQUERY);
+  static PDH_STATUS (WINAPI *_PdhCollectQueryData)(HQUERY);
+  static DWORD      (WINAPI *_PdhGetFormattedCounterValue)(HCOUNTER, DWORD, LPDWORD, PPDH_FMT_COUNTERVALUE);
+  static PDH_STATUS (WINAPI *_PdhEnumObjectItems)(LPCTSTR, LPCTSTR, LPCTSTR, LPTSTR, LPDWORD, LPTSTR, LPDWORD, DWORD, DWORD);
+  static PDH_STATUS (WINAPI *_PdhRemoveCounter)(HCOUNTER);
+  static PDH_STATUS (WINAPI *_PdhLookupPerfNameByIndex)(LPCSTR, DWORD, LPSTR, LPDWORD);
+  static PDH_STATUS (WINAPI *_PdhMakeCounterPath)(PPDH_COUNTER_PATH_ELEMENTS, LPTSTR, LPDWORD, DWORD);
+
+ public:
+  static PDH_STATUS PdhAddCounter(HQUERY, LPCSTR, DWORD, HCOUNTER*);
+  static PDH_STATUS PdhOpenQuery(LPCWSTR, DWORD, HQUERY*);
+  static DWORD      PdhCloseQuery(HQUERY);
+  static PDH_STATUS PdhCollectQueryData(HQUERY);
+  static DWORD      PdhGetFormattedCounterValue(HCOUNTER, DWORD, LPDWORD, PPDH_FMT_COUNTERVALUE);
+  static PDH_STATUS PdhEnumObjectItems(LPCTSTR, LPCTSTR, LPCTSTR, LPTSTR, LPDWORD, LPTSTR, LPDWORD, DWORD, DWORD);
+  static PDH_STATUS PdhRemoveCounter(HCOUNTER);
+  static PDH_STATUS PdhLookupPerfNameByIndex(LPCSTR, DWORD, LPSTR, LPDWORD);
+  static PDH_STATUS PdhMakeCounterPath(PPDH_COUNTER_PATH_ELEMENTS, LPTSTR, LPDWORD, DWORD);
+  static bool       PdhStatusFail(PDH_STATUS pdhStat);
+  static bool       PdhAttach();
+  static bool       PdhDetach();
+};
+
+#endif // OS_WINDOWS_VM_PDH_INTERFACE_HPP