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xubuntu
performance
cpu
governor
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URL:
https://askubuntu.com/q/1142294
Title:
CPU governor changes automatically to "performance" under load
ID:
/2019/05/11/CPU-governor-changes-automatically-to-_performance_-under-load
Created:
May 11, 2019
Upload:
September 15, 2024
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cpufreqd is a frequency management daemon installed with:
sudo apt install cpufreqd
A configuration file cpufreqd.conf is used to change frequencies. There are two sections where you can see it changing governor to “performance”:
[Profile]
name=hi_boost
minfreq=0%
maxfreq=100%
policy=performance
# full power when AC
[Rule]
name=AC_on
ac=on # (on/off)
profile=hi_boost
It’s harder to figure out when it changes to “powersave” unless the battery charger is unplugged.
Since kernel 3.4 cpufreq is built into the kernel and loaded automatically. It includes frequency management daemon called thermald. As such there isn’t much a need for cpufreqd anymore and it may have conflicted on your system.
For even greater customization under battery power the tlp package is commonly used these days.