CPUPOWER - Online Linux Manual PageSection : 1
Updated : 07/03/2011
Source :
Note : cpupower Manual

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NAMEcpupower − Shows and sets processor power related values

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SYNOPSIScpupower [ −c cpulist ] <command> [ARGS] cpupower −v|−−version cpupower −h|−−help

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DESCRIPTIONcpupower 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.

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Options−−help, −h 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 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: Input  Equivalent to all  all cores 0−3  0,1,2,3 0−7:2  0,2,4,6 1,3,5-7  1,3,5,6,7 0−3:2,8−15:4  0,2,8,12 −−version, −v Print the package name and version number.

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SEE ALSOcpupower-set(1), cpupower-info(1), cpupower-idle(1), cpupower-frequency-set(1), cpupower-frequency-info(1), cpupower-monitor(1), powertop(1)

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AUTHORS−−perf−bias parts written by Len Brown <len.brown@intel.com> Thomas Renninger <trenn@suse.de> 0

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Johanes Gumabo

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