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- .TH CPUPOWER "1" "07/03/2011" "" "cpupower Manual"
- .SH NAME
- cpupower \- Shows and sets processor power related values
- .SH SYNOPSIS
- .ft B
- .B cpupower [ \-c cpulist ] <command> [ARGS]
- .B cpupower \-v|\-\-version
- .B cpupower \-h|\-\-help
- .SH DESCRIPTION
- \fBcpupower \fP 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 \fBcpupower help\fP to get an overview
- of supported commands.
- .SH Options
- .PP
- \-\-help, \-h
- .RS 4
- Shows supported commands and general usage.
- .RE
- .PP
- \-\-cpu cpulist, \-c cpulist
- .RS 4
- 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:
- .RS 4
- .TP 16
- Input
- Equivalent to
- .TP
- all
- all cores
- .TP
- 0\-3
- 0,1,2,3
- .TP
- 0\-7:2
- 0,2,4,6
- .TP
- 1,3,5-7
- 1,3,5,6,7
- .TP
- 0\-3:2,8\-15:4
- 0,2,8,12
- .RE
- .RE
- .PP
- \-\-version, \-v
- .RS 4
- Print the package name and version number.
- .SH "SEE ALSO"
- cpupower-set(1), cpupower-info(1), cpupower-idle(1),
- cpupower-frequency-set(1), cpupower-frequency-info(1), cpupower-monitor(1),
- powertop(1)
- .PP
- .SH AUTHORS
- .nf
- \-\-perf\-bias parts written by Len Brown <len.brown@intel.com>
- Thomas Renninger <trenn@suse.de>
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