Man page - wrmsr(1)

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Package: msr-tools
apt-get install msr-tools

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msr-tools

Manual

wrmsr

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
SEE ALSO
AUTHOR

NAME

wrmsr - tool for writing CPU machine specific registers (MSR)

SYNOPSIS

wrmsr [options] regno value

DESCRIPTION

wrmsr is a tool used for writing values to a CPU’s machine specific registers (MSR).
Note: if you’re running a Debian kernel, be sure that the msr.ko kernel module is loaded. ’modprobe msr’ should do the trick. Otherwise, you’ll get an error about wrmsr not being able to open files in /dev/cpu/...

OPTIONS

--help, -h

Print a list of available options

--version, -V

Print current version

--all, -a

All processors

--processor <#>, -p

Select processor number (default: 0)

AUTHOR

wrmsr was written by Transmeta Corporation

This man page was contributed by Andres Salomon <dilinger@debian.org> for the Debian GNU/Linux system (but may be used by others).