Clean up cpuid code, make selection of cpu/mem info available on Linux, macOS and FreeBSD

This commit is contained in:
rdb 2017-02-09 22:56:37 +01:00
parent 604d826aa3
commit dcb793aed4
5 changed files with 186 additions and 597 deletions

View File

@ -14,6 +14,13 @@
#include "graphicsStateGuardian.h" #include "graphicsStateGuardian.h"
#include "displayInformation.h" #include "displayInformation.h"
// For __rdtsc
#ifdef _MSC_VER
#include <intrin.h>
#elif defined(__GNUC__) && !defined(__APPLE__)
#include <x86intrin.h>
#endif
/** /**
* Returns true if these two DisplayModes are identical. * Returns true if these two DisplayModes are identical.
*/ */
@ -58,12 +65,6 @@ DisplayInformation::
if (_display_mode_array != NULL) { if (_display_mode_array != NULL) {
delete[] _display_mode_array; delete[] _display_mode_array;
} }
if (_cpu_id_data != NULL) {
delete _cpu_id_data;
}
if (_cpu_brand_string != NULL) {
delete _cpu_brand_string;
}
} }
/** /**
@ -134,12 +135,6 @@ DisplayInformation() {
_driver_date_day = 0; _driver_date_day = 0;
_driver_date_year = 0; _driver_date_year = 0;
_cpu_id_version = 1;
_cpu_id_size = 0;
_cpu_id_data = 0;
_cpu_vendor_string = 0;
_cpu_brand_string = 0;
_cpu_version_information = 0; _cpu_version_information = 0;
_cpu_brand_index = 0; _cpu_brand_index = 0;
@ -152,7 +147,6 @@ DisplayInformation() {
_num_logical_cpus = 0; _num_logical_cpus = 0;
_get_memory_information_function = 0; _get_memory_information_function = 0;
_cpu_time_function = 0;
_update_cpu_frequency_function = 0; _update_cpu_frequency_function = 0;
_os_version_major = -1; _os_version_major = -1;
@ -493,62 +487,17 @@ get_driver_date_year() {
/** /**
* *
*/ */
int DisplayInformation:: const string &DisplayInformation::
get_cpu_id_version() { get_cpu_vendor_string() const {
return _cpu_id_version; return _cpu_vendor_string;
}
/**
* Returns the number of 32-bit values for cpu id binary data.
*/
int DisplayInformation::
get_cpu_id_size() {
return _cpu_id_size;
}
/**
* Returns part of cpu id binary data based on the index.
*/
unsigned int DisplayInformation::
get_cpu_id_data(int index) {
unsigned int data;
data = 0;
if (index >= 0 && index < _cpu_id_size) {
data = _cpu_id_data [index];
}
return data;
} }
/** /**
* *
*/ */
const char *DisplayInformation:: const string &DisplayInformation::
get_cpu_vendor_string() { get_cpu_brand_string() const {
const char *string; return _cpu_brand_string;
string = _cpu_vendor_string;
if (string == 0) {
string = "";
}
return string;
}
/**
*
*/
const char *DisplayInformation::
get_cpu_brand_string() {
const char *string;
string = _cpu_brand_string;
if (string == 0) {
string = "";
}
return string;
} }
/** /**
@ -576,18 +525,17 @@ get_cpu_frequency() {
} }
/** /**
* * Equivalent to the rdtsc processor instruction.
*/ */
uint64_t DisplayInformation:: uint64_t DisplayInformation::
get_cpu_time() { get_cpu_time() {
uint64_t cpu_time; #if defined(_MSC_VER) || (defined(__GNUC__) && !defined(__APPLE__))
return __rdtsc();
cpu_time = 0; #else
if (_cpu_time_function) { unsigned int lo, hi = 0;
cpu_time = _cpu_time_function(); __asm__ __volatile__ ("rdtsc" : "=a" (lo), "=d" (hi));
} return ((uint64_t)hi << 32) | lo;
#endif
return cpu_time;
} }
/** /**

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@ -94,17 +94,13 @@ PUBLISHED:
int get_driver_date_day(); int get_driver_date_day();
int get_driver_date_year(); int get_driver_date_year();
int get_cpu_id_version(); const string &get_cpu_vendor_string() const;
int get_cpu_id_size(); const string &get_cpu_brand_string() const;
unsigned int get_cpu_id_data(int index);
const char *get_cpu_vendor_string();
const char *get_cpu_brand_string();
unsigned int get_cpu_version_information(); unsigned int get_cpu_version_information();
unsigned int get_cpu_brand_index(); unsigned int get_cpu_brand_index();
uint64_t get_cpu_frequency(); uint64_t get_cpu_frequency();
uint64_t get_cpu_time(); static uint64_t get_cpu_time();
uint64_t get_maximum_cpu_frequency(); uint64_t get_maximum_cpu_frequency();
uint64_t get_current_cpu_frequency(); uint64_t get_current_cpu_frequency();
@ -158,12 +154,9 @@ public:
int _driver_date_day; int _driver_date_day;
int _driver_date_year; int _driver_date_year;
int _cpu_id_version;
int _cpu_id_size;
unsigned int *_cpu_id_data;
char *_cpu_vendor_string; string _cpu_vendor_string;
char *_cpu_brand_string; string _cpu_brand_string;
unsigned int _cpu_version_information; unsigned int _cpu_version_information;
unsigned int _cpu_brand_index; unsigned int _cpu_brand_index;
@ -176,7 +169,6 @@ public:
int _num_logical_cpus; int _num_logical_cpus;
void (*_get_memory_information_function) (DisplayInformation *display_information); void (*_get_memory_information_function) (DisplayInformation *display_information);
uint64_t (*_cpu_time_function) (void);
int (*_update_cpu_frequency_function) (int processor_number, DisplayInformation *display_information); int (*_update_cpu_frequency_function) (int processor_number, DisplayInformation *display_information);
int _os_version_major; int _os_version_major;

View File

@ -18,6 +18,92 @@
#include "mutexHolder.h" #include "mutexHolder.h"
#include "displayInformation.h" #include "displayInformation.h"
#ifdef IS_LINUX
#include <sys/sysinfo.h>
#include <unistd.h>
#endif
#ifdef IS_OSX
#include <sys/sysctl.h>
#endif
#ifdef IS_FREEBSD
#include <unistd.h>
#endif
#if defined(__GNUC__) && !defined(__APPLE__)
// GCC and Clang offer a useful cpuid.h header.
#include <cpuid.h>
#endif
#ifdef _MSC_VER
// MSVC has a __cpuid intrinsic.
#include <intrin.h>
#endif
#ifdef _WIN32
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN 1
#endif
#include <windows.h>
#endif
union cpuid_info {
char str[16];
struct {
uint32_t eax, ebx, ecx, edx;
};
};
/**
* Returns the highest cpuid leaf that is supported by the CPU.
*/
static inline uint32_t get_cpuid_max(uint32_t leaf) {
#if defined(__GNUC__) && !defined(__APPLE__)
return __get_cpuid_max(leaf, 0);
#elif defined(_MSC_VER)
uint32_t p[4] = {0};
__cpuid((int *)p, leaf);
return p[0];
#else
unsigned int eax = 0;
__asm__ ("cpuid\n\t"
: "=a" (eax)
: "0" (leaf));
return eax;
#endif
}
/**
* Gets cpuid info for the given leaf.
*/
static inline void get_cpuid(uint32_t leaf, cpuid_info &info) {
#if defined(__GNUC__) && !defined(__APPLE__)
__cpuid(leaf, info.eax, info.ebx, info.ecx, info.edx);
#elif defined(_MSC_VER)
__cpuid((int *)info.str, leaf);
#else
__asm__ ("cpuid\n\t"
: "=a" (info.eax), "=b" (info.ebx), "=c" (info.ecx), "=d" (info.edx)
: "0" (leaf));
#endif
}
#ifdef IS_LINUX
/**
* Updates the current memory usage statistics in the DisplayInformation.
*/
static void update_memory_info(DisplayInformation *info) {
struct sysinfo meminfo;
if (sysinfo(&meminfo) == 0) {
info->_physical_memory = meminfo.totalram;
info->_available_physical_memory = meminfo.freeram;
info->_page_file_size = meminfo.totalswap;
info->_available_page_file_size = meminfo.freeswap;
}
}
#endif
TypeHandle GraphicsPipe::_type_handle; TypeHandle GraphicsPipe::_type_handle;
/** /**
@ -38,24 +124,78 @@ GraphicsPipe() :
_display_width = 0; _display_width = 0;
_display_height = 0; _display_height = 0;
_display_information = new DisplayInformation ( ); _display_information = new DisplayInformation();
}
/** cpuid_info info;
* Don't try to copy GraphicsPipes. const uint32_t max_cpuid = get_cpuid_max(0);
*/ const uint32_t max_extended = get_cpuid_max(0x80000000);
GraphicsPipe::
GraphicsPipe(const GraphicsPipe &) {
_is_valid = false;
nassertv(false);
}
/** if (max_cpuid >= 1) {
* Don't try to copy GraphicsPipes. get_cpuid(0, info);
*/ swap(info.ecx, info.edx);
void GraphicsPipe:: _display_information->_cpu_vendor_string = string(info.str + 4, 12);
operator = (const GraphicsPipe &) {
nassertv(false); get_cpuid(1, info);
_display_information->_cpu_version_information = info.eax;
_display_information->_cpu_brand_index = info.ebx & 0xff;
}
if (max_extended >= 0x80000004) {
string brand;
get_cpuid(0x80000002, info);
brand += string(info.str, strnlen(info.str, 16));
get_cpuid(0x80000003, info);
brand += string(info.str, strnlen(info.str, 16));
get_cpuid(0x80000004, info);
brand += string(info.str, strnlen(info.str, 16));
_display_information->_cpu_brand_string = move(brand);
}
#if defined(IS_OSX)
// macOS exposes a lot of useful information through sysctl.
size_t len = sizeof(uint64_t);
sysctlbyname("hw.memsize", &_display_information->_physical_memory, &len, NULL, 0);
len = sizeof(uint64_t);
sysctlbyname("hw.cpufrequency", &_display_information->_cpu_frequency, &len, NULL, 0);
len = sizeof(uint64_t);
sysctlbyname("hw.cpufrequency", &_display_information->_current_cpu_frequency, &len, NULL, 0);
len = sizeof(uint64_t);
sysctlbyname("hw.cpufrequency_max", &_display_information->_maximum_cpu_frequency, &len, NULL, 0);
len = sizeof(int);
sysctlbyname("hw.physicalcpu", &_display_information->_num_cpu_cores, &len, NULL, 0);
len = sizeof(int);
sysctlbyname("hw.logicalcpu", &_display_information->_num_logical_cpus, &len, NULL, 0);
#elif defined(IS_LINUX)
_display_information->_get_memory_information_function = &update_memory_info;
update_memory_info(_display_information);
#elif defined(IS_FREEBSD)
size_t len = sizeof(uint64_t);
sysctlbyname("hw.physmem", &_display_information->_physical_memory, &len, NULL, 0);
len = sizeof(uint64_t);
sysctlbyname("vm.swap_total", &_display_information->_page_file_size, &len, NULL, 0);
#elif defined(_WIN32)
MEMORYSTATUSEX status;
status.dwLength = sizeof(MEMORYSTATUSEX);
if (GlobalMemoryStatusEx(&status)) {
_display_information->_physical_memory = status.ullTotalPhys;
_display_information->_available_physical_memory = status.ullAvailPhys;
_display_information->_page_file_size = status.ullTotalPageFile;
_display_information->_available_page_file_size = status.ullAvailPageFile;
_display_information->_process_virtual_memory = status.ullTotalVirtual;
_display_information->_available_process_virtual_memory = status.ullAvailVirtual;
_display_information->_memory_load = status.dwMemoryLoad;
}
#endif
#if defined(IS_LINUX) || defined(IS_FREEBSD)
long nproc = sysconf(_SC_NPROCESSORS_CONF);
if (nproc > 0) {
_display_information->_num_logical_cpus = nproc;
}
#endif
} }
/** /**

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@ -53,8 +53,8 @@ class EXPCL_PANDA_DISPLAY GraphicsPipe : public TypedReferenceCount {
protected: protected:
GraphicsPipe(); GraphicsPipe();
private: private:
GraphicsPipe(const GraphicsPipe &copy); GraphicsPipe(const GraphicsPipe &copy) DELETED;
void operator = (const GraphicsPipe &copy); GraphicsPipe &operator = (const GraphicsPipe &copy) DELETED_ASSIGN;
PUBLISHED: PUBLISHED:
virtual ~GraphicsPipe(); virtual ~GraphicsPipe();

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@ -20,10 +20,7 @@
#include "psapi.h" #include "psapi.h"
#include "powrprof.h" #include "powrprof.h"
#ifdef _WIN64
#include <intrin.h> #include <intrin.h>
#endif
TypeHandle WinGraphicsPipe::_type_handle; TypeHandle WinGraphicsPipe::_type_handle;
@ -99,443 +96,6 @@ void get_memory_information (DisplayInformation *display_information) {
} }
} }
typedef union {
uint64_t long_integer;
}
LONG_INTEGER;
uint64_t cpu_time_function (void) {
#ifdef _WIN64
return __rdtsc();
#else
LONG_INTEGER long_integer;
LONG_INTEGER *long_integer_pointer;
long_integer_pointer = &long_integer;
__asm {
mov ebx,[long_integer_pointer]
rdtsc
mov [ebx + 0], eax
mov [ebx + 4], edx
}
return long_integer.long_integer;
#endif
}
typedef union {
struct {
union {
struct {
unsigned char al;
unsigned char ah;
};
unsigned int eax;
};
unsigned int ebx;
unsigned int ecx;
unsigned int edx;
};
} CPU_ID_REGISTERS;
typedef struct {
union {
struct {
int maximum_cpu_id_input;
char cpu_vendor [16];
};
CPU_ID_REGISTERS cpu_id_registers_0;
};
union {
CPU_ID_REGISTERS cpu_id_registers_1;
struct {
// eax
union {
unsigned int eax;
unsigned int version_information;
struct {
unsigned int stepping_id : 4;
unsigned int model : 4;
unsigned int family : 4;
unsigned int processor_type : 2;
unsigned int reserved_0 : 2;
unsigned int extended_model_id : 4;
unsigned int extended_family_id : 8;
unsigned int reserved_1 : 4;
};
};
// ebx
union {
unsigned int ebx;
struct {
unsigned int brand_index : 8;
unsigned int clflush : 8;
unsigned int maximum_logical_processors : 8;
unsigned int initial_apic_id : 8;
};
};
// ecx
union {
unsigned int ecx;
struct {
unsigned int sse3 : 1;
unsigned int reserved_1_to_2 : 2;
unsigned int monitor : 1;
unsigned int ds_cpl : 1;
unsigned int vmx : 1;
unsigned int reserved_6 : 1;
unsigned int est : 1;
unsigned int tm2 : 1;
unsigned int reserved_9 : 1;
unsigned int cnxt_id : 1;
unsigned int reserved_11_to_12 : 2;
unsigned int cmpxchg16b : 1;
unsigned int xtpr_disable : 1;
unsigned int reserved_15_to_31 : 17;
};
};
// edx
union {
unsigned int edx;
struct {
unsigned int fpu : 1;
unsigned int vme : 1;
unsigned int de : 1;
unsigned int pse : 1;
unsigned int tsc : 1;
unsigned int msr : 1;
unsigned int pae : 1;
unsigned int mce : 1;
unsigned int cx8 : 1;
unsigned int apic : 1;
unsigned int reserved_10 : 1;
unsigned int sep : 1;
unsigned int mtrr : 1;
unsigned int pge : 1;
unsigned int mca : 1;
unsigned int cmov : 1;
unsigned int pat : 1;
unsigned int pse_36 : 1;
unsigned int psn : 1;
unsigned int cflush : 1;
unsigned int reserved_20 : 1;
unsigned int ds : 1;
unsigned int acpi : 1;
unsigned int mmx : 1;
unsigned int fxsr : 1;
unsigned int sse : 1;
unsigned int sse2 : 1;
unsigned int ss : 1;
unsigned int htt : 1;
unsigned int tm : 1;
unsigned int reserved_30 : 1;
unsigned int pbe : 1;
};
};
};
};
#define MAXIMUM_2 8
#define MAXIMUM_CHARACTERS (MAXIMUM_2 * sizeof(CPU_ID_REGISTERS))
union {
CPU_ID_REGISTERS cpu_id_registers_2;
unsigned char character_array_2 [MAXIMUM_CHARACTERS];
CPU_ID_REGISTERS cpu_id_registers_2_array [MAXIMUM_2];
};
union {
CPU_ID_REGISTERS cpu_id_registers_0x80000000;
};
union {
CPU_ID_REGISTERS cpu_id_registers_0x80000001;
};
union {
char cpu_brand_string [sizeof(CPU_ID_REGISTERS) * 3];
struct {
CPU_ID_REGISTERS cpu_id_registers_0x80000002;
CPU_ID_REGISTERS cpu_id_registers_0x80000003;
CPU_ID_REGISTERS cpu_id_registers_0x80000004;
};
};
union {
struct {
unsigned int eax;
unsigned int ebx;
union {
unsigned int ecx;
struct {
unsigned int l1_data_cache_line_size : 8;
unsigned int l1_data_reserved_8_to_15 : 8;
unsigned int l1_data_associativity : 8;
unsigned int l1_data_cache_size : 8;
};
};
union {
unsigned int edx;
struct {
unsigned int l1_code_cache_line_size : 8;
unsigned int l1_code_reserved_8_to_15 : 8;
unsigned int l1_code_associativity : 8;
unsigned int l1_code_cache_size : 8;
};
};
};
CPU_ID_REGISTERS cpu_id_registers_0x80000005;
};
union {
struct {
unsigned int eax;
unsigned int ebx;
union {
unsigned int ecx;
struct {
unsigned int l2_cache_line_size : 8;
unsigned int l2_reserved_8_to_11 : 4;
unsigned int l2_associativity : 4;
unsigned int l2_cache_size : 16;
};
};
unsigned int edx;
};
CPU_ID_REGISTERS cpu_id_registers_0x80000006;
};
CPU_ID_REGISTERS cpu_id_registers_0x80000008;
unsigned int cache_line_size;
unsigned int log_base_2_cache_line_size;
} CPU_ID;
typedef struct {
CPU_ID_REGISTERS cpu_id_registers_0;
CPU_ID_REGISTERS cpu_id_registers_1;
CPU_ID_REGISTERS cpu_id_registers_0x80000000;
CPU_ID_REGISTERS cpu_id_registers_0x80000001;
CPU_ID_REGISTERS cpu_id_registers_0x80000002;
CPU_ID_REGISTERS cpu_id_registers_0x80000003;
CPU_ID_REGISTERS cpu_id_registers_0x80000004;
CPU_ID_REGISTERS cpu_id_registers_0x80000006;
CPU_ID_REGISTERS cpu_id_registers_0x80000008;
} CPU_ID_BINARY_DATA;
void cpu_id_to_cpu_id_binary_data (CPU_ID *cpu_id, CPU_ID_BINARY_DATA *cpu_id_binary_data) {
cpu_id_binary_data->cpu_id_registers_0 = cpu_id->cpu_id_registers_0;
cpu_id_binary_data->cpu_id_registers_1 = cpu_id->cpu_id_registers_1;
cpu_id_binary_data->cpu_id_registers_0x80000000 = cpu_id->cpu_id_registers_0x80000000;
cpu_id_binary_data->cpu_id_registers_0x80000001 = cpu_id->cpu_id_registers_0x80000001;
cpu_id_binary_data->cpu_id_registers_0x80000002 = cpu_id->cpu_id_registers_0x80000002;
cpu_id_binary_data->cpu_id_registers_0x80000003 = cpu_id->cpu_id_registers_0x80000003;
cpu_id_binary_data->cpu_id_registers_0x80000004 = cpu_id->cpu_id_registers_0x80000004;
cpu_id_binary_data->cpu_id_registers_0x80000006 = cpu_id->cpu_id_registers_0x80000006;
cpu_id_binary_data->cpu_id_registers_0x80000008 = cpu_id->cpu_id_registers_0x80000008;
}
void cpu_id_binary_data_to_cpu_id (CPU_ID_BINARY_DATA *cpu_id_binary_data, CPU_ID *cpu_id) {
memset (cpu_id, 0, sizeof(CPU_ID));
cpu_id->cpu_id_registers_0 = cpu_id_binary_data->cpu_id_registers_0;
cpu_id->cpu_id_registers_1 = cpu_id_binary_data->cpu_id_registers_1;
cpu_id->cpu_id_registers_0x80000000 = cpu_id_binary_data->cpu_id_registers_0x80000000;
cpu_id->cpu_id_registers_0x80000001 = cpu_id_binary_data->cpu_id_registers_0x80000001;
cpu_id->cpu_id_registers_0x80000002 = cpu_id_binary_data->cpu_id_registers_0x80000002;
cpu_id->cpu_id_registers_0x80000003 = cpu_id_binary_data->cpu_id_registers_0x80000003;
cpu_id->cpu_id_registers_0x80000004 = cpu_id_binary_data->cpu_id_registers_0x80000004;
cpu_id->cpu_id_registers_0x80000006 = cpu_id_binary_data->cpu_id_registers_0x80000006;
cpu_id->cpu_id_registers_0x80000008 = cpu_id_binary_data->cpu_id_registers_0x80000008;
}
int cpuid(int input_eax, CPU_ID_REGISTERS *cpu_id_registers) {
int state;
state = false;
__try {
if (input_eax == 0) {
// the order of ecx and edx is swapped when saved to make a proper
// vendor string
#ifdef _WIN64
__cpuid((int*)cpu_id_registers, input_eax);
unsigned int tmp = cpu_id_registers->edx;
cpu_id_registers->edx = cpu_id_registers->ecx;
cpu_id_registers->ecx = tmp;
#else
__asm {
mov eax, [input_eax]
mov edi, [cpu_id_registers]
cpuid
mov [edi + 0], eax
mov [edi + 4], ebx
mov [edi + 8], edx
mov [edi + 12], ecx
}
#endif
} else {
#ifdef _WIN64
__cpuid((int*)cpu_id_registers, input_eax);
#else
__asm {
mov eax, [input_eax]
mov edi, [cpu_id_registers]
cpuid
mov [edi + 0], eax
mov [edi + 4], ebx
mov [edi + 8], ecx
mov [edi + 12], edx
}
#endif
}
state = true;
}
__except (1) {
state = false;
}
return state;
}
void parse_cpu_id(CPU_ID *cpu_id) {
printf("CPUID\n");
printf(" vendor = %s\n", cpu_id->cpu_vendor);
printf(" brand string %s\n", cpu_id->cpu_brand_string);
printf(" maximum_cpu_id_input = %u\n", cpu_id->maximum_cpu_id_input);
printf(" maximum extended information = 0x%X\n", cpu_id->cpu_id_registers_0x80000000.eax);
printf(" MMX = %u\n", cpu_id->mmx);
printf(" SSE = %u\n", cpu_id->sse);
printf(" SSE2 = %u\n", cpu_id->sse2);
printf(" SSE3 = %u\n", cpu_id->sse3);
printf(" EST = %u\n", cpu_id->est);
if (cpu_id->maximum_cpu_id_input >= 1) {
printf(" version_information\n");
printf(" stepping_id %u\n", cpu_id->stepping_id);
printf(" model %u\n", cpu_id->model);
printf(" family %u\n", cpu_id->family);
printf(" processor_type %u\n", cpu_id->processor_type);
printf(" extended_model_id %u\n", cpu_id->extended_model_id);
printf(" extended_family_id %u\n", cpu_id->extended_family_id);
printf(" brand_index %u\n", cpu_id->brand_index);
printf(" clflush %u\n", cpu_id->clflush);
printf(" maximum_logical_processors %u\n", cpu_id->maximum_logical_processors);
printf(" initial_apic_id %u\n", cpu_id->initial_apic_id);
// printf(" cache_line_size %u\n", cpu_id->cache_line_size); printf("
// log_base_2_cache_line_size %u\n", cpu_id->log_base_2_cache_line_size);
}
if (cpu_id->cpu_id_registers_0x80000000.eax >= 0x80000005) {
printf(" l1_data_cache_line_size %d\n", cpu_id->l1_data_cache_line_size);
printf(" l1_data_associativity %d\n", cpu_id->l1_data_associativity);
printf(" l1_data_cache_size %dK\n", cpu_id->l1_data_cache_size);
printf(" l1_code_cache_line_size %d\n", cpu_id->l1_code_cache_line_size);
printf(" l1_code_associativity %d\n", cpu_id->l1_code_associativity);
printf(" l1_code_cache_size %dK\n", cpu_id->l1_code_cache_size);
}
if (cpu_id->cpu_id_registers_0x80000000.eax >= 0x80000006) {
printf(" l2_cache_line_size %d\n", cpu_id->l2_cache_line_size);
printf(" l2_associativity %d\n", cpu_id->l2_associativity);
printf(" l2_cache_size %dK\n", cpu_id->l2_cache_size);
}
}
int initialize_cpu_id(CPU_ID *cpu_id) {
int debug = false;
memset(cpu_id, 0, sizeof(CPU_ID));
if (cpuid(0, &cpu_id->cpu_id_registers_0)) {
if (cpu_id->maximum_cpu_id_input >= 1) {
cpuid(1, &cpu_id->cpu_id_registers_1);
}
if (cpu_id->maximum_cpu_id_input >= 2) {
unsigned int index;
cpuid(2, &cpu_id->cpu_id_registers_2);
if (debug) {
printf(" al = %u\n", cpu_id->cpu_id_registers_2.al);
}
for (index = 1; index < cpu_id->cpu_id_registers_2.al && index < MAXIMUM_2; index++) {
cpuid(2, &cpu_id->cpu_id_registers_2_array [index]);
}
for (index = 1; index < MAXIMUM_CHARACTERS; index++) {
if (cpu_id->character_array_2 [index]) {
if (debug) {
printf(" cache/TLB byte = %X\n", cpu_id->character_array_2 [index]);
}
switch (cpu_id->character_array_2 [index]) {
case 0x0A:
case 0x0C:
cpu_id->cache_line_size = 32;
cpu_id->log_base_2_cache_line_size = 5;
break;
case 0x2C:
case 0x60:
case 0x66:
case 0x67:
case 0x68:
cpu_id->cache_line_size = 64;
cpu_id->log_base_2_cache_line_size = 6;
break;
}
}
}
}
cpuid(0x80000000, &cpu_id->cpu_id_registers_0x80000000);
if (cpu_id->cpu_id_registers_0x80000000.eax >= 0x80000001) {
cpuid(0x80000001, &cpu_id->cpu_id_registers_0x80000001);
}
if (cpu_id->cpu_id_registers_0x80000000.eax >= 0x80000004) {
cpuid(0x80000002, &cpu_id->cpu_id_registers_0x80000002);
cpuid(0x80000003, &cpu_id->cpu_id_registers_0x80000003);
cpuid(0x80000004, &cpu_id->cpu_id_registers_0x80000004);
}
if (cpu_id->cpu_id_registers_0x80000000.eax >= 0x80000005) {
cpuid(0x80000005, &cpu_id->cpu_id_registers_0x80000005);
}
if (cpu_id->cpu_id_registers_0x80000000.eax >= 0x80000006) {
cpuid(0x80000006, &cpu_id->cpu_id_registers_0x80000006);
}
if (cpu_id->cpu_id_registers_0x80000000.eax >= 0x80000008) {
cpuid(0x80000008, &cpu_id->cpu_id_registers_0x80000008);
}
return true;
}
return false;
}
int update_cpu_frequency_function(int processor_number, DisplayInformation *display_information) { int update_cpu_frequency_function(int processor_number, DisplayInformation *display_information) {
int update; int update;
@ -776,9 +336,6 @@ lookup_cpu_data() {
// set callback for memory function // set callback for memory function
_display_information->_get_memory_information_function = get_memory_information; _display_information->_get_memory_information_function = get_memory_information;
// set callback for cpu time function
_display_information->_cpu_time_function = cpu_time_function;
// determine CPU frequency // determine CPU frequency
uint64_t time; uint64_t time;
uint64_t end_time; uint64_t end_time;
@ -803,12 +360,12 @@ lookup_cpu_data() {
if (QueryPerformanceFrequency(&frequency)) { if (QueryPerformanceFrequency(&frequency)) {
if (frequency.QuadPart > 0) { if (frequency.QuadPart > 0) {
if (QueryPerformanceCounter (&counter)) { if (QueryPerformanceCounter (&counter)) {
time = cpu_time_function(); time = __rdtsc();
end.QuadPart = counter.QuadPart + frequency.QuadPart; end.QuadPart = counter.QuadPart + frequency.QuadPart;
while (QueryPerformanceCounter (&counter) && counter.QuadPart < end.QuadPart) { while (QueryPerformanceCounter (&counter) && counter.QuadPart < end.QuadPart) {
} }
end_time = cpu_time_function(); end_time = __rdtsc();
_display_information->_cpu_frequency = end_time - time; _display_information->_cpu_frequency = end_time - time;
} }
@ -821,54 +378,6 @@ lookup_cpu_data() {
sprintf(string, "CPU frequency: %I64d\n", _display_information->_cpu_frequency); sprintf(string, "CPU frequency: %I64d\n", _display_information->_cpu_frequency);
windisplay_cat.info() << string; windisplay_cat.info() << string;
// CPUID
CPU_ID cpu_id;
windisplay_cat.info() << "start CPU ID\n";
if (initialize_cpu_id(&cpu_id)) {
CPU_ID_BINARY_DATA *cpu_id_binary_data;
cpu_id_binary_data = new (CPU_ID_BINARY_DATA);
if (cpu_id_binary_data) {
cpu_id_to_cpu_id_binary_data(&cpu_id, cpu_id_binary_data);
_display_information->_cpu_id_size = sizeof(CPU_ID_BINARY_DATA) / sizeof(unsigned int);
_display_information->_cpu_id_data = (unsigned int *) cpu_id_binary_data;
_display_information->_cpu_vendor_string = strdup(cpu_id.cpu_vendor);
_display_information->_cpu_brand_string = strdup(cpu_id.cpu_brand_string);
_display_information->_cpu_version_information = cpu_id.version_information;
_display_information->_cpu_brand_index = cpu_id.brand_index;
if (windisplay_cat.is_debug()) {
windisplay_cat.debug()
<< hex << _display_information->_cpu_id_version << dec << "|";
int index;
for (index = 0; index < _display_information->_cpu_id_size; ++index) {
unsigned int data;
data = _display_information->_cpu_id_data[index];
windisplay_cat.debug(false)
<< hex << data << dec;
if (index < _display_information->_cpu_id_size - 1) {
windisplay_cat.debug(false)
<< "|";
}
}
windisplay_cat.debug(false)
<< "\n";
}
}
if (windisplay_cat.is_debug()) {
parse_cpu_id(&cpu_id);
}
}
windisplay_cat.info() << "end CPU ID\n";
// Number of CPU's // Number of CPU's
count_number_of_cpus(_display_information); count_number_of_cpus(_display_information);
} }