cpuid C.P.U. specification

Dumps detailed information about the CPU(s) gathered from the CPUID instruction, and also determines the exact model of CPU(s).

cpuid software packages



cpuid [options...]


-1, --one-cpu display information only for the first CPU.
(Meaningful only with -k or --kernel.)
-f FILE, --file=FILE read raw hex information (-r output) from FILE instead
of from executions of the cpuid instruction
-h, -H, --help display this help information
-i, --inst use the CPUID instruction: The information it provides
is reliable, but it works on only the current CPU.
This should be OK on single-chip systems or homogeneous
multi-chip systems. It is not necessary to be root.
(This option is the default.)
-k, --kernel use the CPUID kernel module: This displays information
for all CPUs, but the information it provides is not
reliable for all combinations of CPU type and kernel
version. Typically, it is necessary to be root.
-r, --raw display raw hex information with no decoding
-v, --version display cpuid version

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