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--- linux:notes:laptop_power_udev [2024/08/13 18:45] – external edit 127.0.0.1
+++ linux:notes:laptop_power_udev [2024/10/06 17:54] (current) – removed Sean Rhone
@@ Line 1: / Line 1: @@
-====== Laptop Power Management ======
-===== Testing =====
-  * The following commands can be ran to see if they work on specific hardware
-  watch -n 0.5 grep \'cpu MHz\' '/proc/cpuinfo'
-  sudo x86_energy_perf_policy --all 'performance' --turbo-enable '1' --force
-  sudo x86_energy_perf_policy --all 'power' --turbo-enable '0' --force
-====== Dependencies ======
-****
-  sudo dnf install 'kernel-tools'
-====== Scripts ======
-===== AC =====
-  * Change the ''backlight'' sysfs as-needed (see [[#backlight1|backlight notes]]) or remove altogether
-  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'
-<code>
-#!/bin/bash
-# AC
-echo "$(cat '/sys/class/backlight/'*'/max_brightness')" | tee '/sys/class/backlight/'*'/brightness' > '/dev/null'
-x86_energy_perf_policy --all 'performance' --turbo-enable '1' --force
-# End</code>
-===== Battery =====
-  * Change the ''backlight'' sysfs as-needed (see [[distros:fedora_workstation_gnome#backlight|Backlight notes]]) or remove altogether
-  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'
-<code>
-#!/bin/bash
-# Battery
-echo '60600' | tee '/sys/class/backlight/'*'/brightness' > '/dev/null'
-x86_energy_perf_policy --all 'balance-power' --turbo-enable '0' --force
-# End</code>
-===== udev Rule =====
-  * Requires the above AC and Battery scripts
-  sudo -e '/etc/udev/rules.d/99-power.rules' && sudo udevadm control --reload
-<code>
-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"</code>