cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_governor cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
apt install cpufrequtils
add /etc/default/cpufrequtils :
ENABLE="true" #GOVERNOR="ondemand",MAX_SPEED="0" GOVERNOR="performance"
Script from ubuntu to check and set cpugov:
#!/bin/sh
echo "gov - show or set governor (set requires root privileges)"
echo "usage: [sudo] gov [o|ondemand|f|performance|p|powersave|c|conservative]"
echo "governor in use:"
getgov=$(cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor)
case $1 in
o|ondemand) governor=ondemand;;
f|performance) governor=performance;;
p|powersave) governor=powersave;;
c|conservative) governor=conservative;;
*) echo $getgov
exit;;
esac
for g in /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor; do echo $governor > $g; done
echo $(cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor)