cpupower - Shows and sets processor power related values
cpupower [ -c cpulist ] <command> [ARGS]
is a collection of tools to examine and tune power saving
related features of your processor.
The manpages of the commands (cpupower-<command>(1)) provide detailed
descriptions of supported features. Run cpupower help
to get an
overview of supported commands.
Shows supported commands and general
--cpu cpulist, -c cpulist
Only show or set values for specific cores.
This option is not supported by all commands, details can be found in the
manpages of the commands.
Some commands access all cores (typically the *-set commands), some only the
first core (typically the *-info commands) by default.
The syntax for <cpulist> is based on how the kernel exports CPU bitmasks
via sysfs files. Some examples:
- Equivalent to
- all cores
Print the package name and version number.
cpupower-set(1), cpupower-info(1), cpupower-idle(1), cpupower-frequency-set(1),
cpupower-frequency-info(1), cpupower-monitor(1), powertop(1)
--perf-bias parts written by Len Brown <firstname.lastname@example.org>
Thomas Renninger <email@example.com>