• x86_energy_perf_policy as udev rule
• Alternative to tuned, tlp, etc

• openSUSE Tumbleweed (GNOME)

sudo zypper install 'cpupower'

watch --interval '0.5' grep \'cpu MHz\' '/proc/cpuinfo'

sudo x86_energy_perf_policy

sudo x86_energy_perf_policy --all 'performance' --turbo-enable '1' --force

sudo mkdir -p '/etc/udev/scripts.d' && sudo -e '/etc/udev/scripts.d/ac-power.sh' && sudo restorecon -F -I '/etc/udev/scripts.d/ac-power.sh' && sudo chmod +x '/etc/udev/scripts.d/ac-power.sh'

#!/bin/bash

x86_energy_perf_policy --all 'performance' --turbo-enable '1' --force

sudo mkdir -p '/etc/udev/scripts.d' && sudo -e '/etc/udev/scripts.d/battery-power.sh' && sudo restorecon -F -I '/etc/udev/scripts.d/battery-power.sh' && sudo chmod +x '/etc/udev/scripts.d/battery-power.sh'

#!/bin/bash

x86_energy_perf_policy --all 'balance-power' --turbo-enable '0' --force

sudo -e '/etc/udev/rules.d/99-power.rules' && sudo restorecon -F -I '/etc/udev/rules.d/99-power.rules' && sudo udevadm control --reload

ACTION=="add|change", SUBSYSTEM=="power_supply", ATTRS{type}=="Mains", ATTRS{online}=="1", RUN+="/etc/udev/scripts.d/ac-power.sh"

ACTION=="add|change", SUBSYSTEM=="power_supply", ATTRS{type}=="Mains", ATTRS{online}=="0", RUN+="/etc/udev/scripts.d/battery-power.sh"

• Should report something like Write to unrecognized MSR 0x770 by x86_energy_perf early boot and on AC hot-plug

sudo dmesg | grep 'MSR'

watch --interval '0.5' grep \'cpu MHz\' '/proc/cpuinfo'