cpuid(1)
cpuid - pretty print cpuid
cpuid [leaf...]
Pretty prints the result of the CPUID x86 instruction if a parser for the selected leaf is available. If no parser is available, the value of the eax, ebx, ecx, and edx registers will be printed.
Running cpuid with no argument is the same as running cpuid 0
.
$ cpuid
GenuineIntel
0xD000000
$ cpuid 1234 0x1234
cpuid(0x000004D2): eax: 0x00000000, ebx: 0x00000000, ecx: 0x00000000, edx: 0x00000000
cpuid(0x00001234): eax: 0x00000000, ebx: 0x00000000, ecx: 0x00000000, edx: 0x00000000