wrmsr(1)
π wrmsr(1) β¨ General Commands Manual π
okay bestie, this is wrmsr, a tool from the General Commands Manual π and it's how you write values into a CPU's machine specific registers (MSR) π₯ the whole thing is the main character of CPU register drama π
π NAME π
wrmsr - tool for writing CPU machine specific registers (MSR) π¦
π§ SYNOPSIS π§
wrmsr [options] regno value
π DESCRIPTION π
okay so wrmsr is the tool you use to write values to a CPU's machine specific registers (MSR) π literally that's the whole job
ngl read this part before you start π if you're running a Debian kernel, make sure the msr.ko kernel module is loaded. modprobe msr should do the trick β¨ if you skip this, you'll get an error saying wrmsr can't open files in /dev/cpu/... π
π OPTIONS π
--help,-hβ pulls up a list of the available options πΈ--version,-Vβ shows you the current version π--all,-aβ applies it to all processors π--processor <#>,-pβ picks which processor number you want (default:0) π¦
π SEE ALSO π
rdmsr(1) π«Ά the reading-side sibling, lowkey the other half of this duo
βοΈ AUTHOR βοΈ
wrmsr was written by Transmeta Corporation β¨
this man page was contributed by Andres Salomon <dilinger@debian.org> for the Debian GNU/Linux system (but may be used by others) π«Ά
okay that's the whole tea, bestie π this was wrmsr(1), from the Mar 2008 batch of manual pages, served with π energy and zero cap πβ¨
π¦ where this page comes from
- debian bookworm: msr-tools 1.3-5 Β· GPL-2.0-only
- debian trixie: msr-tools 1.3+git20220805.7d78c80-1 Β· GPL-2.0-only
- ubuntu jammy: msr-tools 1.3-4 Β· GPL-2.0-only
- ubuntu jammy: msr-tools 1.3-4ubuntu0.1 Β· GPL-2.0-only
- ubuntu noble: msr-tools 1.3-5build1 Β· GPL-2.0-only
- ubuntu noble: msr-tools 1.3-5ubuntu0.1 Β· GPL-2.0-only
- ubuntu questing: msr-tools 1.3+git20220805.7d78c80-1 Β· GPL-2.0-only
- ubuntu resolute: msr-tools 1.3+git20220805.7d78c80-1build1 Β· GPL-2.0-only
- ubuntu resolute: msr-tools 1.3+git20220805.7d78c80-1ubuntu0.1 Β· GPL-2.0-only
- ubuntu stonking: msr-tools 1.3+git20220805.7d78c80-1ubuntu1 Β· GPL-2.0-only
- Copyright (C) 2008 Andres Salomon
- π girlified by anthropic/claude-haiku-5.5 on : a language model's rewrite of the original, under its terms