| // Generated, DO NOT EDIT, |
| // but copy it to your own project and rename the package. |
| // See more at http://github.com/klauspost/cpuid |
| |
| package cpuid |
| |
| import ( |
| "fmt" |
| "testing" |
| ) |
| |
| // There is no real way to test a CPU identifier, since results will |
| // obviously differ on each machine. |
| func TestCPUID(t *testing.T) { |
| n := maxFunctionID() |
| t.Logf("Max Function:0x%x\n", n) |
| n = maxExtendedFunction() |
| t.Logf("Max Extended Function:0x%x\n", n) |
| t.Log("Name:", cpu.brandname) |
| t.Log("PhysicalCores:", cpu.physicalcores) |
| t.Log("ThreadsPerCore:", cpu.threadspercore) |
| t.Log("LogicalCores:", cpu.logicalcores) |
| t.Log("Family", cpu.family, "Model:", cpu.model) |
| t.Log("Features:", cpu.features) |
| t.Log("Cacheline bytes:", cpu.cacheline) |
| t.Log("L1 Instruction Cache:", cpu.cache.l1i, "bytes") |
| t.Log("L1 Data Cache:", cpu.cache.l1d, "bytes") |
| t.Log("L2 Cache:", cpu.cache.l2, "bytes") |
| t.Log("L3 Cache:", cpu.cache.l3, "bytes") |
| |
| if cpu.sse2() { |
| t.Log("We have SSE2") |
| } |
| } |
| |
| func TestDumpCPUID(t *testing.T) { |
| n := int(maxFunctionID()) |
| for i := 0; i <= n; i++ { |
| a, b, c, d := cpuidex(uint32(i), 0) |
| t.Logf("CPUID %08x: %08x-%08x-%08x-%08x", i, a, b, c, d) |
| ex := uint32(1) |
| for { |
| a2, b2, c2, d2 := cpuidex(uint32(i), ex) |
| if a2 == a && b2 == b && d2 == d || ex > 50 || a2 == 0 { |
| break |
| } |
| t.Logf("CPUID %08x: %08x-%08x-%08x-%08x", i, a2, b2, c2, d2) |
| a, b, c, d = a2, b2, c2, d2 |
| ex++ |
| } |
| } |
| n2 := maxExtendedFunction() |
| for i := uint32(0x80000000); i <= n2; i++ { |
| a, b, c, d := cpuid(i) |
| t.Logf("CPUID %08x: %08x-%08x-%08x-%08x", i, a, b, c, d) |
| } |
| } |
| |
| func example() { |
| // Print basic CPU information: |
| fmt.Println("Name:", cpu.brandname) |
| fmt.Println("PhysicalCores:", cpu.physicalcores) |
| fmt.Println("ThreadsPerCore:", cpu.threadspercore) |
| fmt.Println("LogicalCores:", cpu.logicalcores) |
| fmt.Println("Family", cpu.family, "Model:", cpu.model) |
| fmt.Println("Features:", cpu.features) |
| fmt.Println("Cacheline bytes:", cpu.cacheline) |
| |
| // Test if we have a specific feature: |
| if cpu.sse() { |
| fmt.Println("We have Streaming SIMD Extensions") |
| } |
| } |
| |
| func TestBrandNameZero(t *testing.T) { |
| if len(cpu.brandname) > 0 { |
| // Cut out last byte |
| last := []byte(cpu.brandname[len(cpu.brandname)-1:]) |
| if last[0] == 0 { |
| t.Fatal("last byte was zero") |
| } else if last[0] == 32 { |
| t.Fatal("whitespace wasn't trimmed") |
| } |
| } |
| } |
| |
| // Generated here: http://play.golang.org/p/mko-0tFt0Q |
| |
| // TestCmov tests Cmov() function |
| func TestCmov(t *testing.T) { |
| got := cpu.cmov() |
| expected := cpu.features&cmov == cmov |
| if got != expected { |
| t.Fatalf("Cmov: expected %v, got %v", expected, got) |
| } |
| t.Log("CMOV Support:", got) |
| } |
| |
| // TestAmd3dnow tests Amd3dnow() function |
| func TestAmd3dnow(t *testing.T) { |
| got := cpu.amd3dnow() |
| expected := cpu.features&amd3dnow == amd3dnow |
| if got != expected { |
| t.Fatalf("Amd3dnow: expected %v, got %v", expected, got) |
| } |
| t.Log("AMD3DNOW Support:", got) |
| } |
| |
| // TestAmd3dnowExt tests Amd3dnowExt() function |
| func TestAmd3dnowExt(t *testing.T) { |
| got := cpu.amd3dnowext() |
| expected := cpu.features&amd3dnowext == amd3dnowext |
| if got != expected { |
| t.Fatalf("Amd3dnowExt: expected %v, got %v", expected, got) |
| } |
| t.Log("AMD3DNOWEXT Support:", got) |
| } |
| |
| // TestMMX tests MMX() function |
| func TestMMX(t *testing.T) { |
| got := cpu.mmx() |
| expected := cpu.features&mmx == mmx |
| if got != expected { |
| t.Fatalf("MMX: expected %v, got %v", expected, got) |
| } |
| t.Log("MMX Support:", got) |
| } |
| |
| // TestMMXext tests MMXext() function |
| func TestMMXext(t *testing.T) { |
| got := cpu.mmxext() |
| expected := cpu.features&mmxext == mmxext |
| if got != expected { |
| t.Fatalf("MMXExt: expected %v, got %v", expected, got) |
| } |
| t.Log("MMXEXT Support:", got) |
| } |
| |
| // TestSSE tests SSE() function |
| func TestSSE(t *testing.T) { |
| got := cpu.sse() |
| expected := cpu.features&sse == sse |
| if got != expected { |
| t.Fatalf("SSE: expected %v, got %v", expected, got) |
| } |
| t.Log("SSE Support:", got) |
| } |
| |
| // TestSSE2 tests SSE2() function |
| func TestSSE2(t *testing.T) { |
| got := cpu.sse2() |
| expected := cpu.features&sse2 == sse2 |
| if got != expected { |
| t.Fatalf("SSE2: expected %v, got %v", expected, got) |
| } |
| t.Log("SSE2 Support:", got) |
| } |
| |
| // TestSSE3 tests SSE3() function |
| func TestSSE3(t *testing.T) { |
| got := cpu.sse3() |
| expected := cpu.features&sse3 == sse3 |
| if got != expected { |
| t.Fatalf("SSE3: expected %v, got %v", expected, got) |
| } |
| t.Log("SSE3 Support:", got) |
| } |
| |
| // TestSSSE3 tests SSSE3() function |
| func TestSSSE3(t *testing.T) { |
| got := cpu.ssse3() |
| expected := cpu.features&ssse3 == ssse3 |
| if got != expected { |
| t.Fatalf("SSSE3: expected %v, got %v", expected, got) |
| } |
| t.Log("SSSE3 Support:", got) |
| } |
| |
| // TestSSE4 tests SSE4() function |
| func TestSSE4(t *testing.T) { |
| got := cpu.sse4() |
| expected := cpu.features&sse4 == sse4 |
| if got != expected { |
| t.Fatalf("SSE4: expected %v, got %v", expected, got) |
| } |
| t.Log("SSE4 Support:", got) |
| } |
| |
| // TestSSE42 tests SSE42() function |
| func TestSSE42(t *testing.T) { |
| got := cpu.sse42() |
| expected := cpu.features&sse42 == sse42 |
| if got != expected { |
| t.Fatalf("SSE42: expected %v, got %v", expected, got) |
| } |
| t.Log("SSE42 Support:", got) |
| } |
| |
| // TestAVX tests AVX() function |
| func TestAVX(t *testing.T) { |
| got := cpu.avx() |
| expected := cpu.features&avx == avx |
| if got != expected { |
| t.Fatalf("AVX: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX Support:", got) |
| } |
| |
| // TestAVX2 tests AVX2() function |
| func TestAVX2(t *testing.T) { |
| got := cpu.avx2() |
| expected := cpu.features&avx2 == avx2 |
| if got != expected { |
| t.Fatalf("AVX2: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX2 Support:", got) |
| } |
| |
| // TestFMA3 tests FMA3() function |
| func TestFMA3(t *testing.T) { |
| got := cpu.fma3() |
| expected := cpu.features&fma3 == fma3 |
| if got != expected { |
| t.Fatalf("FMA3: expected %v, got %v", expected, got) |
| } |
| t.Log("FMA3 Support:", got) |
| } |
| |
| // TestFMA4 tests FMA4() function |
| func TestFMA4(t *testing.T) { |
| got := cpu.fma4() |
| expected := cpu.features&fma4 == fma4 |
| if got != expected { |
| t.Fatalf("FMA4: expected %v, got %v", expected, got) |
| } |
| t.Log("FMA4 Support:", got) |
| } |
| |
| // TestXOP tests XOP() function |
| func TestXOP(t *testing.T) { |
| got := cpu.xop() |
| expected := cpu.features&xop == xop |
| if got != expected { |
| t.Fatalf("XOP: expected %v, got %v", expected, got) |
| } |
| t.Log("XOP Support:", got) |
| } |
| |
| // TestF16C tests F16C() function |
| func TestF16C(t *testing.T) { |
| got := cpu.f16c() |
| expected := cpu.features&f16c == f16c |
| if got != expected { |
| t.Fatalf("F16C: expected %v, got %v", expected, got) |
| } |
| t.Log("F16C Support:", got) |
| } |
| |
| // TestCX16 tests CX16() function |
| func TestCX16(t *testing.T) { |
| got := cpu.cx16() |
| expected := cpu.features&cx16 == cx16 |
| if got != expected { |
| t.Fatalf("CX16: expected %v, got %v", expected, got) |
| } |
| t.Log("CX16 Support:", got) |
| } |
| |
| // TestBMI1 tests BMI1() function |
| func TestBMI1(t *testing.T) { |
| got := cpu.bmi1() |
| expected := cpu.features&bmi1 == bmi1 |
| if got != expected { |
| t.Fatalf("BMI1: expected %v, got %v", expected, got) |
| } |
| t.Log("BMI1 Support:", got) |
| } |
| |
| // TestBMI2 tests BMI2() function |
| func TestBMI2(t *testing.T) { |
| got := cpu.bmi2() |
| expected := cpu.features&bmi2 == bmi2 |
| if got != expected { |
| t.Fatalf("BMI2: expected %v, got %v", expected, got) |
| } |
| t.Log("BMI2 Support:", got) |
| } |
| |
| // TestTBM tests TBM() function |
| func TestTBM(t *testing.T) { |
| got := cpu.tbm() |
| expected := cpu.features&tbm == tbm |
| if got != expected { |
| t.Fatalf("TBM: expected %v, got %v", expected, got) |
| } |
| t.Log("TBM Support:", got) |
| } |
| |
| // TestLzcnt tests Lzcnt() function |
| func TestLzcnt(t *testing.T) { |
| got := cpu.lzcnt() |
| expected := cpu.features&lzcnt == lzcnt |
| if got != expected { |
| t.Fatalf("Lzcnt: expected %v, got %v", expected, got) |
| } |
| t.Log("LZCNT Support:", got) |
| } |
| |
| // TestLzcnt tests Lzcnt() function |
| func TestPopcnt(t *testing.T) { |
| got := cpu.popcnt() |
| expected := cpu.features&popcnt == popcnt |
| if got != expected { |
| t.Fatalf("Popcnt: expected %v, got %v", expected, got) |
| } |
| t.Log("POPCNT Support:", got) |
| } |
| |
| // TestAesNi tests AesNi() function |
| func TestAesNi(t *testing.T) { |
| got := cpu.aesni() |
| expected := cpu.features&aesni == aesni |
| if got != expected { |
| t.Fatalf("AesNi: expected %v, got %v", expected, got) |
| } |
| t.Log("AESNI Support:", got) |
| } |
| |
| // TestHTT tests HTT() function |
| func TestHTT(t *testing.T) { |
| got := cpu.htt() |
| expected := cpu.features&htt == htt |
| if got != expected { |
| t.Fatalf("HTT: expected %v, got %v", expected, got) |
| } |
| t.Log("HTT Support:", got) |
| } |
| |
| // TestClmul tests Clmul() function |
| func TestClmul(t *testing.T) { |
| got := cpu.clmul() |
| expected := cpu.features&clmul == clmul |
| if got != expected { |
| t.Fatalf("Clmul: expected %v, got %v", expected, got) |
| } |
| t.Log("CLMUL Support:", got) |
| } |
| |
| // TestSSE2Slow tests SSE2Slow() function |
| func TestSSE2Slow(t *testing.T) { |
| got := cpu.sse2slow() |
| expected := cpu.features&sse2slow == sse2slow |
| if got != expected { |
| t.Fatalf("SSE2Slow: expected %v, got %v", expected, got) |
| } |
| t.Log("SSE2SLOW Support:", got) |
| } |
| |
| // TestSSE3Slow tests SSE3slow() function |
| func TestSSE3Slow(t *testing.T) { |
| got := cpu.sse3slow() |
| expected := cpu.features&sse3slow == sse3slow |
| if got != expected { |
| t.Fatalf("SSE3slow: expected %v, got %v", expected, got) |
| } |
| t.Log("SSE3SLOW Support:", got) |
| } |
| |
| // TestAtom tests Atom() function |
| func TestAtom(t *testing.T) { |
| got := cpu.atom() |
| expected := cpu.features&atom == atom |
| if got != expected { |
| t.Fatalf("Atom: expected %v, got %v", expected, got) |
| } |
| t.Log("ATOM Support:", got) |
| } |
| |
| // TestNX tests NX() function (NX (No-Execute) bit) |
| func TestNX(t *testing.T) { |
| got := cpu.nx() |
| expected := cpu.features&nx == nx |
| if got != expected { |
| t.Fatalf("NX: expected %v, got %v", expected, got) |
| } |
| t.Log("NX Support:", got) |
| } |
| |
| // TestSSE4A tests SSE4A() function (AMD Barcelona microarchitecture SSE4a instructions) |
| func TestSSE4A(t *testing.T) { |
| got := cpu.sse4a() |
| expected := cpu.features&sse4a == sse4a |
| if got != expected { |
| t.Fatalf("SSE4A: expected %v, got %v", expected, got) |
| } |
| t.Log("SSE4A Support:", got) |
| } |
| |
| // TestHLE tests HLE() function (Hardware Lock Elision) |
| func TestHLE(t *testing.T) { |
| got := cpu.hle() |
| expected := cpu.features&hle == hle |
| if got != expected { |
| t.Fatalf("HLE: expected %v, got %v", expected, got) |
| } |
| t.Log("HLE Support:", got) |
| } |
| |
| // TestRTM tests RTM() function (Restricted Transactional Memory) |
| func TestRTM(t *testing.T) { |
| got := cpu.rtm() |
| expected := cpu.features&rtm == rtm |
| if got != expected { |
| t.Fatalf("RTM: expected %v, got %v", expected, got) |
| } |
| t.Log("RTM Support:", got) |
| } |
| |
| // TestRdrand tests RDRAND() function (RDRAND instruction is available) |
| func TestRdrand(t *testing.T) { |
| got := cpu.rdrand() |
| expected := cpu.features&rdrand == rdrand |
| if got != expected { |
| t.Fatalf("Rdrand: expected %v, got %v", expected, got) |
| } |
| t.Log("Rdrand Support:", got) |
| } |
| |
| // TestRdseed tests RDSEED() function (RDSEED instruction is available) |
| func TestRdseed(t *testing.T) { |
| got := cpu.rdseed() |
| expected := cpu.features&rdseed == rdseed |
| if got != expected { |
| t.Fatalf("Rdseed: expected %v, got %v", expected, got) |
| } |
| t.Log("Rdseed Support:", got) |
| } |
| |
| // TestADX tests ADX() function (Intel ADX (Multi-Precision Add-Carry Instruction Extensions)) |
| func TestADX(t *testing.T) { |
| got := cpu.adx() |
| expected := cpu.features&adx == adx |
| if got != expected { |
| t.Fatalf("ADX: expected %v, got %v", expected, got) |
| } |
| t.Log("ADX Support:", got) |
| } |
| |
| // TestSHA tests SHA() function (Intel SHA Extensions) |
| func TestSHA(t *testing.T) { |
| got := cpu.sha() |
| expected := cpu.features&sha == sha |
| if got != expected { |
| t.Fatalf("SHA: expected %v, got %v", expected, got) |
| } |
| t.Log("SHA Support:", got) |
| } |
| |
| // TestAVX512F tests AVX512F() function (AVX-512 Foundation) |
| func TestAVX512F(t *testing.T) { |
| got := cpu.avx512f() |
| expected := cpu.features&avx512f == avx512f |
| if got != expected { |
| t.Fatalf("AVX512F: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX512F Support:", got) |
| } |
| |
| // TestAVX512DQ tests AVX512DQ() function (AVX-512 Doubleword and Quadword Instructions) |
| func TestAVX512DQ(t *testing.T) { |
| got := cpu.avx512dq() |
| expected := cpu.features&avx512dq == avx512dq |
| if got != expected { |
| t.Fatalf("AVX512DQ: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX512DQ Support:", got) |
| } |
| |
| // TestAVX512IFMA tests AVX512IFMA() function (AVX-512 Integer Fused Multiply-Add Instructions) |
| func TestAVX512IFMA(t *testing.T) { |
| got := cpu.avx512ifma() |
| expected := cpu.features&avx512ifma == avx512ifma |
| if got != expected { |
| t.Fatalf("AVX512IFMA: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX512IFMA Support:", got) |
| } |
| |
| // TestAVX512PF tests AVX512PF() function (AVX-512 Prefetch Instructions) |
| func TestAVX512PF(t *testing.T) { |
| got := cpu.avx512pf() |
| expected := cpu.features&avx512pf == avx512pf |
| if got != expected { |
| t.Fatalf("AVX512PF: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX512PF Support:", got) |
| } |
| |
| // TestAVX512ER tests AVX512ER() function (AVX-512 Exponential and Reciprocal Instructions) |
| func TestAVX512ER(t *testing.T) { |
| got := cpu.avx512er() |
| expected := cpu.features&avx512er == avx512er |
| if got != expected { |
| t.Fatalf("AVX512ER: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX512ER Support:", got) |
| } |
| |
| // TestAVX512CD tests AVX512CD() function (AVX-512 Conflict Detection Instructions) |
| func TestAVX512CD(t *testing.T) { |
| got := cpu.avx512cd() |
| expected := cpu.features&avx512cd == avx512cd |
| if got != expected { |
| t.Fatalf("AVX512CD: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX512CD Support:", got) |
| } |
| |
| // TestAVX512BW tests AVX512BW() function (AVX-512 Byte and Word Instructions) |
| func TestAVX512BW(t *testing.T) { |
| got := cpu.avx512bw() |
| expected := cpu.features&avx512bw == avx512bw |
| if got != expected { |
| t.Fatalf("AVX512BW: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX512BW Support:", got) |
| } |
| |
| // TestAVX512VL tests AVX512VL() function (AVX-512 Vector Length Extensions) |
| func TestAVX512VL(t *testing.T) { |
| got := cpu.avx512vl() |
| expected := cpu.features&avx512vl == avx512vl |
| if got != expected { |
| t.Fatalf("AVX512VL: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX512VL Support:", got) |
| } |
| |
| // TestAVX512VL tests AVX512VBMI() function (AVX-512 Vector Bit Manipulation Instructions) |
| func TestAVX512VBMI(t *testing.T) { |
| got := cpu.avx512vbmi() |
| expected := cpu.features&avx512vbmi == avx512vbmi |
| if got != expected { |
| t.Fatalf("AVX512VBMI: expected %v, got %v", expected, got) |
| } |
| t.Log("AVX512VBMI Support:", got) |
| } |
| |
| // TestMPX tests MPX() function (Intel MPX (Memory Protection Extensions)) |
| func TestMPX(t *testing.T) { |
| got := cpu.mpx() |
| expected := cpu.features&mpx == mpx |
| if got != expected { |
| t.Fatalf("MPX: expected %v, got %v", expected, got) |
| } |
| t.Log("MPX Support:", got) |
| } |
| |
| // TestERMS tests ERMS() function (Enhanced REP MOVSB/STOSB) |
| func TestERMS(t *testing.T) { |
| got := cpu.erms() |
| expected := cpu.features&erms == erms |
| if got != expected { |
| t.Fatalf("ERMS: expected %v, got %v", expected, got) |
| } |
| t.Log("ERMS Support:", got) |
| } |
| |
| // TestVendor writes the detected vendor. Will be 0 if unknown |
| func TestVendor(t *testing.T) { |
| t.Log("Vendor ID:", cpu.vendorid) |
| } |
| |
| // Intel returns true if vendor is recognized as Intel |
| func TestIntel(t *testing.T) { |
| got := cpu.intel() |
| expected := cpu.vendorid == intel |
| if got != expected { |
| t.Fatalf("TestIntel: expected %v, got %v", expected, got) |
| } |
| t.Log("TestIntel:", got) |
| } |
| |
| // AMD returns true if vendor is recognized as AMD |
| func TestAMD(t *testing.T) { |
| got := cpu.amd() |
| expected := cpu.vendorid == amd |
| if got != expected { |
| t.Fatalf("TestAMD: expected %v, got %v", expected, got) |
| } |
| t.Log("TestAMD:", got) |
| } |
| |
| // Transmeta returns true if vendor is recognized as Transmeta |
| func TestTransmeta(t *testing.T) { |
| got := cpu.transmeta() |
| expected := cpu.vendorid == transmeta |
| if got != expected { |
| t.Fatalf("TestTransmeta: expected %v, got %v", expected, got) |
| } |
| t.Log("TestTransmeta:", got) |
| } |
| |
| // NSC returns true if vendor is recognized as National Semiconductor |
| func TestNSC(t *testing.T) { |
| got := cpu.nsc() |
| expected := cpu.vendorid == nsc |
| if got != expected { |
| t.Fatalf("TestNSC: expected %v, got %v", expected, got) |
| } |
| t.Log("TestNSC:", got) |
| } |
| |
| // VIA returns true if vendor is recognized as VIA |
| func TestVIA(t *testing.T) { |
| got := cpu.via() |
| expected := cpu.vendorid == via |
| if got != expected { |
| t.Fatalf("TestVIA: expected %v, got %v", expected, got) |
| } |
| t.Log("TestVIA:", got) |
| } |
| |
| // Test VM function |
| func TestVM(t *testing.T) { |
| t.Log("Vendor ID:", cpu.vm()) |
| } |
| |
| // Test RTCounter function |
| func TestRtCounter(t *testing.T) { |
| a := cpu.rtcounter() |
| b := cpu.rtcounter() |
| t.Log("CPU Counter:", a, b, b-a) |
| } |
| |
| // Prints the value of Ia32TscAux() |
| func TestIa32TscAux(t *testing.T) { |
| ecx := cpu.ia32tscaux() |
| t.Logf("Ia32TscAux:0x%x\n", ecx) |
| if ecx != 0 { |
| chip := (ecx & 0xFFF000) >> 12 |
| core := ecx & 0xFFF |
| t.Log("Likely chip, core:", chip, core) |
| } |
| } |
| |
| func TestThreadsPerCoreNZ(t *testing.T) { |
| if cpu.threadspercore == 0 { |
| t.Fatal("threads per core is zero") |
| } |
| } |
| |
| // Prints the value of LogicalCPU() |
| func TestLogicalCPU(t *testing.T) { |
| t.Log("Currently executing on cpu:", cpu.logicalcpu()) |
| } |
| |
| func TestMaxFunction(t *testing.T) { |
| expect := maxFunctionID() |
| if cpu.maxFunc != expect { |
| t.Fatal("Max function does not match, expected", expect, "but got", cpu.maxFunc) |
| } |
| expect = maxExtendedFunction() |
| if cpu.maxExFunc != expect { |
| t.Fatal("Max Extended function does not match, expected", expect, "but got", cpu.maxFunc) |
| } |
| } |
| |
| // This example will calculate the chip/core number on Linux |
| // Linux encodes numa id (<<12) and core id (8bit) into TSC_AUX. |
| func examplecpuinfo_ia32tscaux(t *testing.T) { |
| ecx := cpu.ia32tscaux() |
| if ecx == 0 { |
| fmt.Println("Unknown CPU ID") |
| return |
| } |
| chip := (ecx & 0xFFF000) >> 12 |
| core := ecx & 0xFFF |
| fmt.Println("Chip, Core:", chip, core) |
| } |
| |
| /* |
| func TestPhysical(t *testing.T) { |
| var test16 = "CPUID 00000000: 0000000d-756e6547-6c65746e-49656e69 \nCPUID 00000001: 000206d7-03200800-1fbee3ff-bfebfbff \nCPUID 00000002: 76035a01-00f0b2ff-00000000-00ca0000 \nCPUID 00000003: 00000000-00000000-00000000-00000000 \nCPUID 00000004: 3c004121-01c0003f-0000003f-00000000 \nCPUID 00000004: 3c004122-01c0003f-0000003f-00000000 \nCPUID 00000004: 3c004143-01c0003f-000001ff-00000000 \nCPUID 00000004: 3c07c163-04c0003f-00003fff-00000006 \nCPUID 00000005: 00000040-00000040-00000003-00021120 \nCPUID 00000006: 00000075-00000002-00000009-00000000 \nCPUID 00000007: 00000000-00000000-00000000-00000000 \nCPUID 00000008: 00000000-00000000-00000000-00000000 \nCPUID 00000009: 00000001-00000000-00000000-00000000 \nCPUID 0000000a: 07300403-00000000-00000000-00000603 \nCPUID 0000000b: 00000000-00000000-00000003-00000003 \nCPUID 0000000b: 00000005-00000010-00000201-00000003 \nCPUID 0000000c: 00000000-00000000-00000000-00000000 \nCPUID 0000000d: 00000007-00000340-00000340-00000000 \nCPUID 0000000d: 00000001-00000000-00000000-00000000 \nCPUID 0000000d: 00000100-00000240-00000000-00000000 \nCPUID 80000000: 80000008-00000000-00000000-00000000 \nCPUID 80000001: 00000000-00000000-00000001-2c100800 \nCPUID 80000002: 20202020-49202020-6c65746e-20295228 \nCPUID 80000003: 6e6f6558-20295228-20555043-322d3545 \nCPUID 80000004: 20303636-20402030-30322e32-007a4847 \nCPUID 80000005: 00000000-00000000-00000000-00000000 \nCPUID 80000006: 00000000-00000000-01006040-00000000 \nCPUID 80000007: 00000000-00000000-00000000-00000100 \nCPUID 80000008: 0000302e-00000000-00000000-00000000" |
| restore := mockCPU([]byte(test16)) |
| Detect() |
| t.Log("Name:", CPU.BrandName) |
| n := maxFunctionID() |
| t.Logf("Max Function:0x%x\n", n) |
| n = maxExtendedFunction() |
| t.Logf("Max Extended Function:0x%x\n", n) |
| t.Log("PhysicalCores:", CPU.PhysicalCores) |
| t.Log("ThreadsPerCore:", CPU.ThreadsPerCore) |
| t.Log("LogicalCores:", CPU.LogicalCores) |
| t.Log("Family", CPU.Family, "Model:", CPU.Model) |
| t.Log("Features:", CPU.Features) |
| t.Log("Cacheline bytes:", CPU.CacheLine) |
| t.Log("L1 Instruction Cache:", CPU.Cache.L1I, "bytes") |
| t.Log("L1 Data Cache:", CPU.Cache.L1D, "bytes") |
| t.Log("L2 Cache:", CPU.Cache.L2, "bytes") |
| t.Log("L3 Cache:", CPU.Cache.L3, "bytes") |
| if CPU.LogicalCores > 0 && CPU.PhysicalCores > 0 { |
| if CPU.LogicalCores != CPU.PhysicalCores*CPU.ThreadsPerCore { |
| t.Fatalf("Core count mismatch, LogicalCores (%d) != PhysicalCores (%d) * CPU.ThreadsPerCore (%d)", |
| CPU.LogicalCores, CPU.PhysicalCores, CPU.ThreadsPerCore) |
| } |
| } |
| |
| if CPU.ThreadsPerCore > 1 && !CPU.HTT() { |
| t.Fatalf("Hyperthreading not detected") |
| } |
| if CPU.ThreadsPerCore == 1 && CPU.HTT() { |
| t.Fatalf("Hyperthreading detected, but only 1 Thread per core") |
| } |
| restore() |
| Detect() |
| TestCPUID(t) |
| } |
| */ |