x86info — display x86 CPU diagnostics
x86info [-a] [-c] [-f] [fB-F] [-m] [-mhz] [-r] [?] [--all]
[--cache] [--flags] [--verbose] [--msr] [--mhz] [--registers]
This manual page documents x86info, a program which displays a range of
information about the CPUs present in an x86 system.
In order to make full use of this program you need to have the CPU ID
and MSR device drivers in your kernel with accessible device files
/dev/cpu/<n>/cpuid and /dev/cpu/<n>/msr.
This program follows the usual GNU command line syntax, with long
options starting with two dashes (‘-’). A summary of options is
Show summary of options.
Show all information. Equivalent to -c -f -m -r -mhz.
Show TLB, cache sizes and cache associativity.
Show CPU feature flags.
Dump model specific registers. This feature is currently
only supported on a few different processors. Future versions
will include parsing of bits in MSRs for all processors.
Estimate current clock rate.
Dump MP table showing CPUs BIOS knows about.
Show register values from all possible cpuid calls.
Show machine check exception information.
Show verbose descriptions.
x86info was written by Dave Jones <firstname.lastname@example.org>.
This manual page was written by Mark Brown <email@example.com> for the
Debian GNU/Linux system (but may be used by others).
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU General Public License version 2.
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