Cpupower: Difference between revisions
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Displays cpu frequency info, and can be used as a '''governor''' (see <code>cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors</code>). | |||
Display and/or manages cpu frequency. | Display and/or manages cpu frequency. | ||
= Documentation = | |||
<blockquote> | |||
{| class="wikitable" | |||
|- | |||
| github || https://github.com/torvalds/linux/tree/master/tools/power/cpupower | |||
|- | |||
|} | |||
</blockquote><!-- Documentation --> | |||
= Locations = | |||
<blockquote> | |||
{| class="wikitable" | |||
|- | |||
| <code>/etc/default/cpupower</code> || config | |||
|- | |||
|} | |||
</blockquote><!-- Locations --> | |||
= Install = | = Install = | ||
| Line 7: | Line 27: | ||
</syntaxhighlight> | </syntaxhighlight> | ||
</blockquote><!-- Install --> | </blockquote><!-- Install --> | ||
= Usage = | |||
<blockquote> | |||
== For Info/Settings == | |||
<blockquote> | |||
<syntaxhighlight lang="bash"> | |||
cpupower monitor # show stats | |||
cpupower frequency-info # show range/current | |||
# setting frequencies | |||
cpupower frequency-set -u 3GHz # set max clock | |||
cpupower frequency-set -d 800MHz # set min clock | |||
cpupower frequency-set -f 800MHz # set clock | |||
# governor/driver | |||
cpupower frequency-set -g ${GOVERNOR} | |||
</syntaxhighlight> | |||
</blockquote><!-- Info/Setting --> | |||
== As Governor == | |||
<blockquote> | |||
<syntaxhighlight lang="bash"> | |||
systemctl enable --now cpupower.service | |||
</syntaxhighlight> | |||
</blockquote><!-- As Governor --> | |||
</blockquote><!-- Usage --> | |||
= Configuration = | = Configuration = | ||
<blockquote> | <blockquote> | ||
Configuration isn't necessary, but if you'd like to enforce min/max cpu. | |||
<syntaxhighlight lang="bash"> | |||
# /etc/default/cpupower | |||
min_freq="2.25GHz" | |||
max_freq="3GHZ" | |||
# see | |||
</syntaxhighlight> | |||
</blockquote><!-- Configuration --> | </blockquote><!-- Configuration --> | ||
Revision as of 16:28, 7 March 2022
Displays cpu frequency info, and can be used as a governor (see cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors).
Display and/or manages cpu frequency.
Documentation
github https://github.com/torvalds/linux/tree/master/tools/power/cpupower
Locations
/etc/default/cpupowerconfig
Install
pacman -S cpupower
Usage
For Info/Settings
cpupower monitor # show stats cpupower frequency-info # show range/current # setting frequencies cpupower frequency-set -u 3GHz # set max clock cpupower frequency-set -d 800MHz # set min clock cpupower frequency-set -f 800MHz # set clock # governor/driver cpupower frequency-set -g ${GOVERNOR}As Governor
systemctl enable --now cpupower.service
Configuration
Configuration isn't necessary, but if you'd like to enforce min/max cpu.
# /etc/default/cpupower min_freq="2.25GHz" max_freq="3GHZ" # see
