1 /*
   2  * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef CPU_ZERO_VM_VM_VERSION_EXT_ZERO_HPP
  26 #define CPU_ZERO_VM_VM_VERSION_EXT_ZERO_HPP
  27 
  28 #include "utilities/macros.hpp"
  29 #include "vm_version_zero.hpp"
  30 
  31 class VM_Version_Ext : public VM_Version {
  32  private:
  33   static const size_t      CPU_TYPE_DESC_BUF_SIZE = 256;
  34 
  35   static int               _no_of_threads;
  36   static int               _no_of_cores;
  37   static int               _no_of_sockets;
  38   static bool              _initialized;
  39   static char              _cpu_name[CPU_TYPE_DESC_BUF_SIZE];
  40 
  41  public:
  42   static int number_of_threads(void);
  43   static int number_of_cores(void);
  44   static int number_of_sockets(void);
  45 
  46   static const char* cpu_name(void);
  47   static const char* cpu_description(void);
  48   static void initialize_cpu_information(void);
  49 
  50 };
  51 
  52 #endif // CPU_ZERO_VM_VM_VERSION_EXT_ZERO_HPP