src/os/windows/vm/os_windows.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1997, 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.

@@ -37,10 +37,11 @@
   static julong _physical_memory;
   static size_t _default_stack_size;
   static bool   _is_nt;
   static bool   _is_windows_2003;
   static bool   _is_windows_server;
+  static bool   _has_performance_count;
 
   static void print_windows_version(outputStream* st);
 
  public:
   // Windows-specific interface:

@@ -58,10 +59,13 @@
   static julong physical_memory() { return _physical_memory; }
 
   // load dll from Windows system directory or Windows directory
   static HINSTANCE load_Windows_dll(const char* name, char *ebuf, int ebuflen);
 
+  private:
+    static void initialize_performance_counter();
+
  public:
   // Generic interface:
 
   // Trace number of created threads
   static          intx  _os_thread_limit;