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

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

• openSUSE Tumbleweed (GNOME)

sudo zypper remove --clean-deps 'tuned'

sudo zypper addlock 'tuned'

sudo zypper install 'cpupower'

• Fedora Workstation (GNOME)

sudo dnf remove 'tuned'

sudo dnf install 'kernel-tools'

• Ubuntu

sudo apt remove 'power-profiles-daemon'

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

#!/bin/bash

'/usr/bin/x86_energy_perf_policy' --all 'performance' --turbo-enable '1' --force

# End

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

#!/bin/bash

'/usr/bin/x86_energy_perf_policy' --all 'balance-power' --turbo-enable '0' --force

# End

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

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

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

# End

• Fedora Workstation (GNOME)

sudo restorecon -F -I -R '/etc/udev/scripts.d' '/etc/udev/rules.d'

• 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'