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24 
25 #ifndef CPU_PPC_VM_VERSION_EXT_PPC_HPP
26 #define CPU_PPC_VM_VERSION_EXT_PPC_HPP
27 
28 #include "runtime/vm_version.hpp"
29 #include "utilities/macros.hpp"
30 
31 #define CPU_INFO        "cpu_info"
32 #define CPU_TYPE        "fpu_type"
33 #define CPU_DESCRIPTION "implementation"
34 #define CHIP_ID         "chip_id"
35 #define CORE_ID         "core_id"
36 
37 class VM_Version_Ext : public VM_Version {
38  private:
39 
40   static const size_t      CPU_TYPE_DESC_BUF_SIZE = 256;
41   static const size_t      CPU_DETAILED_DESC_BUF_SIZE = 4096;
42 
43   static int               _no_of_threads;
44   static int               _no_of_cores;
45   static int               _no_of_sockets;
46   static bool              _initialized;
47   static char              _cpu_name[CPU_TYPE_DESC_BUF_SIZE];
48   static char              _cpu_desc[CPU_DETAILED_DESC_BUF_SIZE];
49 
50   static void initialize_cpu_information(void);
51 
52  public:
53 
54   static int number_of_threads(void);
55   static int number_of_cores(void);
56   static int number_of_sockets(void);
57 
58   static const char* cpu_name(void);
59   static const char* cpu_description(void);
60 };
61 
62 #endif // CPU_PPC_VM_VERSION_EXT_PPC_HPP
63