1 .TH "CPUPOWER\-FREQUENCY\-SET" "1" "0.1" "" "c 1 .TH "CPUPOWER\-FREQUENCY\-SET" "1" "0.1" "" "cpupower Manual"
2 .SH "NAME" 2 .SH "NAME"
3 .LP 3 .LP
4 cpupower\-frequency\-set \- A small tool which 4 cpupower\-frequency\-set \- A small tool which allows to modify cpufreq settings.
5 .SH "SYNTAX" 5 .SH "SYNTAX"
6 .LP 6 .LP
7 cpupower [ \-c cpu ] frequency\-set [\fIoption 7 cpupower [ \-c cpu ] frequency\-set [\fIoptions\fP]
8 .SH "DESCRIPTION" 8 .SH "DESCRIPTION"
9 .LP 9 .LP
10 cpupower frequency\-set allows you to modify c 10 cpupower frequency\-set allows you to modify cpufreq settings without having to type e.g. "/sys/devices/system/cpu/cpu0/cpufreq/scaling_set_speed" all the time.
11 .SH "OPTIONS" 11 .SH "OPTIONS"
12 .LP 12 .LP
13 .TP 13 .TP
14 \fB\-d\fR \fB\-\-min\fR <FREQ> 14 \fB\-d\fR \fB\-\-min\fR <FREQ>
15 new minimum CPU frequency the governor may sel 15 new minimum CPU frequency the governor may select.
16 .TP 16 .TP
17 \fB\-u\fR \fB\-\-max\fR <FREQ> 17 \fB\-u\fR \fB\-\-max\fR <FREQ>
18 new maximum CPU frequency the governor may sel 18 new maximum CPU frequency the governor may select.
19 .TP 19 .TP
20 \fB\-g\fR \fB\-\-governor\fR <GOV> 20 \fB\-g\fR \fB\-\-governor\fR <GOV>
21 new cpufreq governor. 21 new cpufreq governor.
22 .TP 22 .TP
23 \fB\-f\fR \fB\-\-freq\fR <FREQ> 23 \fB\-f\fR \fB\-\-freq\fR <FREQ>
24 specific frequency to be set. Requires userspa 24 specific frequency to be set. Requires userspace governor to be available and loaded.
25 .TP 25 .TP
26 \fB\-r\fR \fB\-\-related\fR 26 \fB\-r\fR \fB\-\-related\fR
27 modify all hardware-related CPUs at the same t 27 modify all hardware-related CPUs at the same time
28 .TP 28 .TP
29 .SH "REMARKS" 29 .SH "REMARKS"
30 .LP 30 .LP
31 By default values are applied on all cores. Ho 31 By default values are applied on all cores. How to modify single core
32 configurations is described in the cpupower(1) 32 configurations is described in the cpupower(1) manpage in the \-\-cpu option section.
33 .LP 33 .LP
34 The \-f FREQ, \-\-freq FREQ parameter cannot b 34 The \-f FREQ, \-\-freq FREQ parameter cannot be combined with any other parameter.
35 .LP 35 .LP
36 FREQuencies can be passed in Hz, kHz (default) 36 FREQuencies can be passed in Hz, kHz (default), MHz, GHz, or THz by postfixing the value with the wanted unit name, without any space (frequency in kHz =^ Hz * 0.001 =^ MHz * 1000 =^ GHz * 1000000).
37 .LP 37 .LP
38 On Linux kernels up to 2.6.29, the \-r or \-\- 38 On Linux kernels up to 2.6.29, the \-r or \-\-related parameter is ignored.
39 .SH "FILES" 39 .SH "FILES"
40 .nf 40 .nf
41 \fI/sys/devices/system/cpu/cpu*/cpufreq/\fP 41 \fI/sys/devices/system/cpu/cpu*/cpufreq/\fP
42 \fI/proc/cpufreq\fP (deprecated) 42 \fI/proc/cpufreq\fP (deprecated)
43 \fI/proc/sys/cpu/\fP (deprecated) 43 \fI/proc/sys/cpu/\fP (deprecated)
44 .fi 44 .fi
45 .SH "AUTHORS" 45 .SH "AUTHORS"
46 .nf 46 .nf
47 Dominik Brodowski <linux@brodo.de> \- author 47 Dominik Brodowski <linux@brodo.de> \- author
48 Mattia Dongili<malattia@gmail.com> \- first aut 48 Mattia Dongili<malattia@gmail.com> \- first autolibtoolization
49 .fi 49 .fi
50 .SH "SEE ALSO" 50 .SH "SEE ALSO"
51 .LP 51 .LP
52 cpupower\-frequency\-info(1), cpupower(1) 52 cpupower\-frequency\-info(1), cpupower(1)
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