x86info(1)                                                          x86info(1)


       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
       included below.

       ?           --help
                 Show summary of options.

       -a           --all
                 Show all information.  Equivalent to -c -f -m      -r -mhz.

       -c           --cache
                 Show TLB, cache sizes and cache associativity.

       -f           --flags
                 Show CPU feature flags.

       -m           --msr
                 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.

       -mhz           --mhz
                 Estimate current clock rate.

       -mp            --mptable
                 Dump MP table showing CPUs BIOS knows about.

       -r           --registers
                 Show register values from all possible cpuid calls.

       -s           --show-bluesmoke
                 Show machine check exception information.

       -v           --verbose
                 Show verbose descriptions.


       x86info was written by Dave Jones <davej@redhat.com>.

       This manual page was written by Mark Brown <broonie@debian.org> 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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