Windows上获取cpu info, cpuid, cpu id 方法整理

admin 2025-06-15 18:16:20

1. 使用cmd获取cpu id

在 CMD中输入如下命令:

wmic cpu get processorid

2. 使用源代码编译获取 cpu id:(借码)三个源代码文件

调试通过

原文链接1

原文链接2

//get_cpu_id.h

//get_cpu_id.h

#pragma once

#include

#include

#include

#include

// same function as: wmic cpu get processorid

class CGetCPUId

{

public:

CGetCPUId();

virtual ~CGetCPUId();

public:

std::string GetId();

};

//get_cpu_id.cpp

//get_cpu_id.cpp

#include "get_cpu_id.h"

CGetCPUId::CGetCPUId()

{

}

CGetCPUId::~CGetCPUId()

{

}

std::string CGetCPUId::GetId()

{/** only win32

std::string strCPUId;

unsigned long s1, s2;

char buf[32] = { 0 };

__asm

{

mov eax, 01h

xor edx, edx

cpuid

mov s1, edx

mov s2, eax

}

if (s1)

{

memset(buf, 0, 32);

sprintf_s(buf, 32, "%08X", s1);

strCPUId += buf;

}

if (s2)

{

memset(buf, 0, 32);

sprintf_s(buf, 32, "%08X", s2);

strCPUId += buf;

}

__asm

{

mov eax, 03h

xor ecx, ecx

xor edx, edx

cpuid

mov s1, edx

mov s2, ecx

}

if (s1)

{

memset(buf, 0, 32);

sprintf_s(buf, 32, "%08X", s1);

strCPUId += buf;

}

if (s2)

{

memset(buf, 0, 32);

sprintf_s(buf, 32, "%08X", s2);

strCPUId += buf;

}

return strCPUId;

*/

std::string strCPUId;

unsigned long s1, s2;

char buf[32] = { 0 };

INT32 Infobuf[4];

#if defined(_WIN64)

// 64位下不支持内联汇编. 应使用__cpuid、__cpuidex等Intrinsics函数。

__cpuid(Infobuf, 1);

s1 = Infobuf[3];

s2 = Infobuf[0];

#else

__asm

{

mov eax, 01h

xor ecx, ecx

xor edx, edx

cpuid

mov s1, edx

mov s2, ecx

}

#endif

if (s1)

{

memset(buf, 0, 32);

sprintf_s(buf, 32, "%08X", s1);

strCPUId += buf;

}

if (s2)

{

memset(buf, 0, 32);

sprintf_s(buf, 32, "%08X", s2);

strCPUId += buf;

}

#if defined(_WIN64)

// 64位下不支持内联汇编. 应使用__cpuid、__cpuidex等Intrinsics函数。

__cpuid(Infobuf, 3);

s1 = Infobuf[3];

s2 = Infobuf[0];

#else

__asm

{

mov eax, 03h

xor ecx, ecx

xor edx, edx

cpuid

mov s1, edx

mov s2, ecx

}

#endif

if (s1)

{

memset(buf, 0, 32);

sprintf_s(buf, 32, "%08X", s1);

strCPUId += buf;

}

if (s2)

{

memset(buf, 0, 32);

sprintf_s(buf, 32, "%08X", s2);

strCPUId += buf;

}

return strCPUId;

}

//main_app.cpp

//main_app.cpp

#include "get_cpu_id.h"

#include

using namespace std;

int main(int argc, char* argv[])

{

CGetCPUId GetCPUId;

cout << "CPUID:" << GetCPUId.GetId() << endl;

getchar();

return 0;

}

3. 获取cpu 其他信息

一个cpp文件

原文链接3

//Micro_cpu_info_app.cpp

//Micro_cpu_info_app.cpp

// Micro_CPUID_sample_app.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。

//

// InstructionSet.cpp

// Compile by using: cl /EHsc /W4 InstructionSet.cpp

// processor: x86, x64

// Uses the __cpuid intrinsic to get information about

// CPU extended instruction set support.

#include

#include

#include

#include

#include

#include

class InstructionSet

{

// forward declarations

class InstructionSet_Internal;

public:

// getters

static std::string Vendor(void) { return CPU_Rep.vendor_; }

static std::string Brand(void) { return CPU_Rep.brand_; }

static bool SSE3(void) { return CPU_Rep.f_1_ECX_[0]; }

static bool PCLMULQDQ(void) { return CPU_Rep.f_1_ECX_[1]; }

static bool MONITOR(void) { return CPU_Rep.f_1_ECX_[3]; }

static bool SSSE3(void) { return CPU_Rep.f_1_ECX_[9]; }

static bool FMA(void) { return CPU_Rep.f_1_ECX_[12]; }

static bool CMPXCHG16B(void) { return CPU_Rep.f_1_ECX_[13]; }

static bool SSE41(void) { return CPU_Rep.f_1_ECX_[19]; }

static bool SSE42(void) { return CPU_Rep.f_1_ECX_[20]; }

static bool MOVBE(void) { return CPU_Rep.f_1_ECX_[22]; }

static bool POPCNT(void) { return CPU_Rep.f_1_ECX_[23]; }

static bool AES(void) { return CPU_Rep.f_1_ECX_[25]; }

static bool XSAVE(void) { return CPU_Rep.f_1_ECX_[26]; }

static bool OSXSAVE(void) { return CPU_Rep.f_1_ECX_[27]; }

static bool AVX(void) { return CPU_Rep.f_1_ECX_[28]; }

static bool F16C(void) { return CPU_Rep.f_1_ECX_[29]; }

static bool RDRAND(void) { return CPU_Rep.f_1_ECX_[30]; }

static bool MSR(void) { return CPU_Rep.f_1_EDX_[5]; }

static bool CX8(void) { return CPU_Rep.f_1_EDX_[8]; }

static bool SEP(void) { return CPU_Rep.f_1_EDX_[11]; }

static bool CMOV(void) { return CPU_Rep.f_1_EDX_[15]; }

static bool CLFSH(void) { return CPU_Rep.f_1_EDX_[19]; }

static bool MMX(void) { return CPU_Rep.f_1_EDX_[23]; }

static bool FXSR(void) { return CPU_Rep.f_1_EDX_[24]; }

static bool SSE(void) { return CPU_Rep.f_1_EDX_[25]; }

static bool SSE2(void) { return CPU_Rep.f_1_EDX_[26]; }

static bool FSGSBASE(void) { return CPU_Rep.f_7_EBX_[0]; }

static bool BMI1(void) { return CPU_Rep.f_7_EBX_[3]; }

static bool HLE(void) { return CPU_Rep.isIntel_ && CPU_Rep.f_7_EBX_[4]; }

static bool AVX2(void) { return CPU_Rep.f_7_EBX_[5]; }

static bool BMI2(void) { return CPU_Rep.f_7_EBX_[8]; }

static bool ERMS(void) { return CPU_Rep.f_7_EBX_[9]; }

static bool INVPCID(void) { return CPU_Rep.f_7_EBX_[10]; }

static bool RTM(void) { return CPU_Rep.isIntel_ && CPU_Rep.f_7_EBX_[11]; }

static bool AVX512F(void) { return CPU_Rep.f_7_EBX_[16]; }

static bool RDSEED(void) { return CPU_Rep.f_7_EBX_[18]; }

static bool ADX(void) { return CPU_Rep.f_7_EBX_[19]; }

static bool AVX512PF(void) { return CPU_Rep.f_7_EBX_[26]; }

static bool AVX512ER(void) { return CPU_Rep.f_7_EBX_[27]; }

static bool AVX512CD(void) { return CPU_Rep.f_7_EBX_[28]; }

static bool SHA(void) { return CPU_Rep.f_7_EBX_[29]; }

static bool PREFETCHWT1(void) { return CPU_Rep.f_7_ECX_[0]; }

static bool LAHF(void) { return CPU_Rep.f_81_ECX_[0]; }

static bool LZCNT(void) { return CPU_Rep.isIntel_ && CPU_Rep.f_81_ECX_[5]; }

static bool ABM(void) { return CPU_Rep.isAMD_ && CPU_Rep.f_81_ECX_[5]; }

static bool SSE4a(void) { return CPU_Rep.isAMD_ && CPU_Rep.f_81_ECX_[6]; }

static bool XOP(void) { return CPU_Rep.isAMD_ && CPU_Rep.f_81_ECX_[11]; }

static bool TBM(void) { return CPU_Rep.isAMD_ && CPU_Rep.f_81_ECX_[21]; }

static bool SYSCALL(void) { return CPU_Rep.isIntel_ && CPU_Rep.f_81_EDX_[11]; }

static bool MMXEXT(void) { return CPU_Rep.isAMD_ && CPU_Rep.f_81_EDX_[22]; }

static bool RDTSCP(void) { return CPU_Rep.isIntel_ && CPU_Rep.f_81_EDX_[27]; }

static bool _3DNOWEXT(void) { return CPU_Rep.isAMD_ && CPU_Rep.f_81_EDX_[30]; }

static bool _3DNOW(void) { return CPU_Rep.isAMD_ && CPU_Rep.f_81_EDX_[31]; }

private:

static const InstructionSet_Internal CPU_Rep;

class InstructionSet_Internal

{

public:

InstructionSet_Internal()

: nIds_{ 0 },

nExIds_{ 0 },

isIntel_{ false },

isAMD_{ false },

f_1_ECX_{ 0 },

f_1_EDX_{ 0 },

f_7_EBX_{ 0 },

f_7_ECX_{ 0 },

f_81_ECX_{ 0 },

f_81_EDX_{ 0 },

data_{},

extdata_{}

{

//int cpuInfo[4] = {-1};

std::array cpui;

// Calling __cpuid with 0x0 as the function_id argument

// gets the number of the highest valid function ID.

__cpuid(cpui.data(), 0);

nIds_ = cpui[0];

for (int i = 0; i <= nIds_; ++i)

{

__cpuidex(cpui.data(), i, 0);

data_.push_back(cpui);

}

// Capture vendor string

char vendor[0x20];

memset(vendor, 0, sizeof(vendor));

*reinterpret_cast(vendor) = data_[0][1];

*reinterpret_cast(vendor + 4) = data_[0][3];

*reinterpret_cast(vendor + 8) = data_[0][2];

vendor_ = vendor;

if (vendor_ == "GenuineIntel")

{

isIntel_ = true;

}

else if (vendor_ == "AuthenticAMD")

{

isAMD_ = true;

}

// load bitset with flags for function 0x00000001

if (nIds_ >= 1)

{

f_1_ECX_ = data_[1][2];

f_1_EDX_ = data_[1][3];

}

// load bitset with flags for function 0x00000007

if (nIds_ >= 7)

{

f_7_EBX_ = data_[7][1];

f_7_ECX_ = data_[7][2];

}

// Calling __cpuid with 0x80000000 as the function_id argument

// gets the number of the highest valid extended ID.

__cpuid(cpui.data(), 0x80000000);

nExIds_ = cpui[0];

char brand[0x40];

memset(brand, 0, sizeof(brand));

for (int i = 0x80000000; i <= nExIds_; ++i)

{

__cpuidex(cpui.data(), i, 0);

extdata_.push_back(cpui);

}

// load bitset with flags for function 0x80000001

if (nExIds_ >= 0x80000001)

{

f_81_ECX_ = extdata_[1][2];

f_81_EDX_ = extdata_[1][3];

}

// Interpret CPU brand string if reported

if (nExIds_ >= 0x80000004)

{

memcpy(brand, extdata_[2].data(), sizeof(cpui));

memcpy(brand + 16, extdata_[3].data(), sizeof(cpui));

memcpy(brand + 32, extdata_[4].data(), sizeof(cpui));

brand_ = brand;

}

};

int nIds_;

int nExIds_;

std::string vendor_;

std::string brand_;

bool isIntel_;

bool isAMD_;

std::bitset<32> f_1_ECX_;

std::bitset<32> f_1_EDX_;

std::bitset<32> f_7_EBX_;

std::bitset<32> f_7_ECX_;

std::bitset<32> f_81_ECX_;

std::bitset<32> f_81_EDX_;

std::vector> data_;

std::vector> extdata_;

};

};

// Initialize static member data

const InstructionSet::InstructionSet_Internal InstructionSet::CPU_Rep;

// Print out supported instruction set extensions

int main()

{

auto& outstream = std::cout;

auto support_message = [&outstream](std::string isa_feature, bool is_supported) {

outstream << isa_feature << (is_supported ? " supported" : " not supported") << std::endl;

};

std::cout << InstructionSet::Vendor() << std::endl;

std::cout << InstructionSet::Brand() << std::endl;

support_message("3DNOW", InstructionSet::_3DNOW());

support_message("3DNOWEXT", InstructionSet::_3DNOWEXT());

support_message("ABM", InstructionSet::ABM());

support_message("ADX", InstructionSet::ADX());

support_message("AES", InstructionSet::AES());

support_message("AVX", InstructionSet::AVX());

support_message("AVX2", InstructionSet::AVX2());

support_message("AVX512CD", InstructionSet::AVX512CD());

support_message("AVX512ER", InstructionSet::AVX512ER());

support_message("AVX512F", InstructionSet::AVX512F());

support_message("AVX512PF", InstructionSet::AVX512PF());

support_message("BMI1", InstructionSet::BMI1());

support_message("BMI2", InstructionSet::BMI2());

support_message("CLFSH", InstructionSet::CLFSH());

support_message("CMPXCHG16B", InstructionSet::CMPXCHG16B());

support_message("CX8", InstructionSet::CX8());

support_message("ERMS", InstructionSet::ERMS());

support_message("F16C", InstructionSet::F16C());

support_message("FMA", InstructionSet::FMA());

support_message("FSGSBASE", InstructionSet::FSGSBASE());

support_message("FXSR", InstructionSet::FXSR());

support_message("HLE", InstructionSet::HLE());

support_message("INVPCID", InstructionSet::INVPCID());

support_message("LAHF", InstructionSet::LAHF());

support_message("LZCNT", InstructionSet::LZCNT());

support_message("MMX", InstructionSet::MMX());

support_message("MMXEXT", InstructionSet::MMXEXT());

support_message("MONITOR", InstructionSet::MONITOR());

support_message("MOVBE", InstructionSet::MOVBE());

support_message("MSR", InstructionSet::MSR());

support_message("OSXSAVE", InstructionSet::OSXSAVE());

support_message("PCLMULQDQ", InstructionSet::PCLMULQDQ());

support_message("POPCNT", InstructionSet::POPCNT());

support_message("PREFETCHWT1", InstructionSet::PREFETCHWT1());

support_message("RDRAND", InstructionSet::RDRAND());

support_message("RDSEED", InstructionSet::RDSEED());

support_message("RDTSCP", InstructionSet::RDTSCP());

support_message("RTM", InstructionSet::RTM());

support_message("SEP", InstructionSet::SEP());

support_message("SHA", InstructionSet::SHA());

support_message("SSE", InstructionSet::SSE());

support_message("SSE2", InstructionSet::SSE2());

support_message("SSE3", InstructionSet::SSE3());

support_message("SSE4.1", InstructionSet::SSE41());

support_message("SSE4.2", InstructionSet::SSE42());

support_message("SSE4a", InstructionSet::SSE4a());

support_message("SSSE3", InstructionSet::SSSE3());

support_message("SYSCALL", InstructionSet::SYSCALL());

support_message("TBM", InstructionSet::TBM());

support_message("XOP", InstructionSet::XOP());

support_message("XSAVE", InstructionSet::XSAVE());

}