CPUPOWER(1) cpupower Manual CPUPOWER(1)
cpupower - Shows and sets processor power related values
cpupower [ -c cpulist ] <command> [ARGS]
cpupower is a collection of tools to examine and tune power saving related features of
The manpages of the commands (cpupower-<command>(1)) provide detailed descriptions of sup-
ported features. Run cpupower help to get an overview of supported commands.
Shows supported commands and general usage.
--cpu cpulist, -c cpulist
Only show or set values for specific cores. This option is not supported by all com-
mands, 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:
Input Equivalent to
all 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>