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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>