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MAN page from CentOS 7 kernel-tools-5.4.25-200.el7.x86_64.rpm

CPUPOWER

Section: cpupower Manual (1)
Updated: 07/03/2011
Index 

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 savingrelated features of your processor.

The manpages of the commands (cpupower-<command>(1)) provide detaileddescriptions of supported features. Run cpupower help to get an overviewof 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 commands, details can be found in themanpages of the commands.

Some commands access all cores (typically the *-set commands), some onlythe first core (typically the *-info commands) by default.

The syntax for <cpulist> is based on how the kernel exports CPU bitmasks viasysfs 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.brownAATTintel.com>Thomas Renninger <trennAATTsuse.de>

 

Index

NAME
SYNOPSIS
DESCRIPTION
Options
SEE ALSO
AUTHORS

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