cpupower.1 (1566B)
1.TH CPUPOWER "1" "07/03/2011" "" "cpupower Manual" 2.SH NAME 3cpupower \- Shows and sets processor power related values 4.SH SYNOPSIS 5.ft B 6.B cpupower [ \-c cpulist ] <command> [ARGS] 7 8.B cpupower \-v|\-\-version 9 10.B cpupower \-h|\-\-help 11 12.SH DESCRIPTION 13\fBcpupower \fP is a collection of tools to examine and tune power saving 14related features of your processor. 15 16The manpages of the commands (cpupower\-<command>(1)) provide detailed 17descriptions of supported features. Run \fBcpupower help\fP to get an overview 18of supported commands. 19 20.SH Options 21.PP 22\-\-help, \-h 23.RS 4 24Shows supported commands and general usage. 25.RE 26.PP 27\-\-cpu cpulist, \-c cpulist 28.RS 4 29Only show or set values for specific cores. 30This option is not supported by all commands, details can be found in the 31manpages of the commands. 32 33Some commands access all cores (typically the *\-set commands), some only 34the first core (typically the *\-info commands) by default. 35 36The syntax for <cpulist> is based on how the kernel exports CPU bitmasks via 37sysfs files. Some examples: 38.RS 4 39.TP 16 40Input 41Equivalent to 42.TP 43all 44all cores 45.TP 460\-3 470,1,2,3 48.TP 490\-7:2 500,2,4,6 51.TP 521,3,5-7 531,3,5,6,7 54.TP 550\-3:2,8\-15:4 560,2,8,12 57.RE 58.RE 59.PP 60\-\-version, \-v 61.RS 4 62Print the package name and version number. 63 64.SH "SEE ALSO" 65cpupower-set(1), cpupower-info(1), cpupower-idle-info(1), 66cpupower-idle-set(1), cpupower-frequency-set(1), cpupower-frequency-info(1), 67cpupower-monitor(1), powertop(1) 68.PP 69.SH AUTHORS 70.nf 71\-\-perf\-bias parts written by Len Brown <len.brown@intel.com> 72Thomas Renninger <trenn@suse.de>