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|
| from __future__ import print_function |
|
|
| import struct |
| import cpuid |
|
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|
|
| def cpu_vendor(cpu): |
| _, b, c, d = cpu(0) |
| return struct.pack("III", b, d, c).decode("utf-8") |
|
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|
|
| def cpu_name(cpu): |
| name = "".join((struct.pack("IIII", *cpu(0x80000000 + i)).decode("utf-8") |
| for i in range(2, 5))) |
|
|
| return name.split('\x00', 1)[0] |
|
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|
|
| def is_set(cpu, leaf, subleaf, reg_idx, bit): |
| """ |
| @param {leaf} %eax |
| @param {sublead} %ecx, 0 in most cases |
| @param {reg_idx} idx of [%eax, %ebx, %ecx, %edx], 0-based |
| @param {bit} bit of reg selected by {reg_idx}, 0-based |
| """ |
|
|
| regs = cpu(leaf, subleaf) |
|
|
| if (1 << bit) & regs[reg_idx]: |
| return "Yes" |
| else: |
| return "--" |
|
|
|
|
| if __name__ == "__main__": |
| cpu = cpuid.CPUID() |
|
|
| print("Vendor ID : %s" % cpu_vendor(cpu)) |
| print("CPU name : %s" % cpu_name(cpu)) |
| print() |
| print("Vector instructions supported:") |
| print("SSE : %s" % is_set(cpu, 1, 0, 3, 25)) |
| print("SSE2 : %s" % is_set(cpu, 1, 0, 3, 26)) |
| print("SSE3 : %s" % is_set(cpu, 1, 0, 2, 0)) |
| print("SSSE3 : %s" % is_set(cpu, 1, 0, 2, 9)) |
| print("SSE4.1 : %s" % is_set(cpu, 1, 0, 2, 19)) |
| print("SSE4.2 : %s" % is_set(cpu, 1, 0, 2, 20)) |
| print("SSE4a : %s" % is_set(cpu, 0x80000001, 0, 2, 6)) |
| print("AVX : %s" % is_set(cpu, 1, 0, 2, 28)) |
| print("AVX2 : %s" % is_set(cpu, 7, 0, 1, 5)) |
| print("BMI1 : %s" % is_set(cpu, 7, 0, 1, 3)) |
| print("BMI2 : %s" % is_set(cpu, 7, 0, 1, 8)) |
| |
| print("L3 Monitoring : %s" % is_set(cpu, 0xf, 0, 3, 1)) |
| print("L3 Occupancy : %s" % is_set(cpu, 0xf, 1, 3, 0)) |
| print("L3 Total BW : %s" % is_set(cpu, 0xf, 1, 3, 1)) |
| print("L3 Local BW : %s" % is_set(cpu, 0xf, 1, 3, 2)) |
|
|
