cpupower(1) - phpMan

CPUPOWER(1)                              cpupower Manual                              CPUPOWER(1)



NAME
       cpupower - Shows and sets processor power related values

SYNOPSIS
       cpupower [ -c cpulist ] <command> [ARGS]

       cpupower -v|--version

       cpupower -h|--help


DESCRIPTION
       cpupower   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 sup-
       ported features. Run cpupower help to get an overview of supported commands.


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 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

               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.


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

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



                                            07/03/2011                                CPUPOWER(1)

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