User Tools

Site Tools


linux:notes:laptop_power_udev

This is an old revision of the document!


Laptop Power Management

Testing

watch -n 0.5 grep \'cpu MHz\' '/proc/cpuinfo'
sudo x86_energy_perf_policy --all 'performance' --turbo-enable '1' --force
sudo '/usr/src/linux-headers-'*'-liquorix-amd64/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy' --all 'performance' --turbo-enable '1' --force

Scripts

AC

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
# AC

#x86_energy_perf_policy --all 'performance' --turbo-enable '1' --force
'/usr/src/linux-headers-'*'-liquorix-amd64/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy' --all 'performance' --turbo-enable '1' --force

# End

Battery

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
# Battery

#x86_energy_perf_policy --all 'balance-power' --turbo-enable '0' --force
'/usr/src/linux-headers-'*'-liquorix-amd64/tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy' --all 'balance-power' --turbo-enable '0' --force

# End

udev Rule

sudo -e '/etc/udev/rules.d/99-power.rules' && sudo udevadm control --reload
SUBSYSTEM=="power_supply", ATTR{online}=="1", RUN+="/etc/udev/scripts.d/ac-power.sh"
SUBSYSTEM=="power_supply", ATTR{online}=="0", RUN+="/etc/udev/scripts.d/battery-power.sh"
/srv/www/wiki/data/attic/linux/notes/laptop_power_udev.1728251335.txt.gz ยท Last modified: by Sean Rhone