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24 
25 #ifndef CPU_SPARC_VM_VM_VERSION_EXT_SPARC_HPP
26 #define CPU_SPARC_VM_VM_VERSION_EXT_SPARC_HPP
27 
28 #include "runtime/vm_version.hpp"
29 #include "utilities/macros.hpp"
30 
31 #if defined(SOLARIS)
32 #include <kstat.h>
33 #include <sys/processor.h>
34 #endif
35 
36 #define CPU_INFO        "cpu_info"
37 #define CPU_TYPE        "fpu_type"
38 #define CPU_DESCRIPTION "implementation"
39 #define CHIP_ID         "chip_id"
40 #define CORE_ID         "core_id"
41 
42 class VM_Version_Ext : public VM_Version {
43  private:
44 
45   static const size_t      CPU_TYPE_DESC_BUF_SIZE = 256;
46   static const size_t      CPU_DETAILED_DESC_BUF_SIZE = 4096;
47 
48   static int               _no_of_threads;
49   static int               _no_of_cores;
50   static int               _no_of_sockets;
51 #if defined(SOLARIS)
52   static kid_t             _kcid;
53 #endif
54   static char              _cpu_name[CPU_TYPE_DESC_BUF_SIZE];
55   static char              _cpu_desc[CPU_DETAILED_DESC_BUF_SIZE];
56 
57   static bool initialize_cpu_information(void);
58 
59  public:
60 
61   static int number_of_threads(void);
62   static int number_of_cores(void);
63   static int number_of_sockets(void);
64 
65   static const char* cpu_name(void);
66   static const char* cpu_description(void);
67 };
68 
69 #endif // CPU_SPARC_VM_VM_VERSION_EXT_SPARC_HPP
70