Reload udev rules

roles/laptop/files/etc/udev/rules.d/99-powersave.rules

@@ -0,0 +1,2 @@
+SUBSYSTEM=="power_supply", ATTR{online}=="0", RUN+="/usr/local/sbin/power-saver-mode"
+SUBSYSTEM=="power_supply", ATTR{online}=="1", RUN+="/usr/local/sbin/unlimited-power"

roles/laptop/files/usr/local/sbin/power-saver-mode

@@ -0,0 +1,14 @@
+#!/usr/bin/env sh
+
+# Enable back all CPUs
+echo 1 | tee /sys/devices/system/cpu/cpu[2-7]/online
+echo 1 | tee /sys/devices/system/cpu/cpu1[0-5]/online
+
+# Set CPU to governor to powersave
+cpupower frequency-set --governor ondemand
+
+# Set brightness to 120 / 255
+echo 200 | tee /sys/class/backlight/amdgpu_bl0/brightness
+
+# Enable bluetooth
+rfkill unblock bluetooth

roles/laptop/files/usr/local/sbin/unlimited-power

@@ -0,0 +1,26 @@
+#!/usr/bin/env sh
+
+# Limit 8C/16T CPU to 2C/4T
+echo 0 | tee /sys/devices/system/cpu/cpu[2-7]/online
+echo 0 | tee /sys/devices/system/cpu/cpu1[0-5]/online
+
+# Set CPU to governor to powersave
+cpupower frequency-set --governor powersave
+
+# Set brightness to 120 / 255
+echo 120 | tee /sys/class/backlight/amdgpu_bl0/brightness
+
+# Disable bluetooth
+rfkill block bluetooth
+
+# TODO disable some services
+# systemctl disable containerd.service
+# systemctl disable docker.service
+# systemctl disable bluetooth.service
+# systemctl disable libvirtd.service
+# systemctl disable winbind.service
+# systemctl disable snapd.service
+# systemctl disable cups.service
+# systemctl disable avahi-daemon.service
+
+# TODO exit steam

roles/laptop/tasks/main.yml

@@ -3,6 +3,9 @@
     path: /sys/class/power_supply/BAT0/charge_control_end_threshold
   register: battery_limiter_available
 
+- name: Powersave tasks
+  import_tasks: powersave.yml
+
 - when: battery_limiter_available.stat.exists
   block:
     - import_tasks: battery.yml

roles/laptop/tasks/powersave.yml

@@ -0,0 +1,31 @@
+- name: install required packages for script
+  become: yes
+  apt:
+    update_cache: yes
+    pkg:
+      - linux-tools-common
+      - linux-tools-generic
+
+- name: copy scripts
+  become: yes
+  copy:
+    src: "usr/local/sbin/{{item}}"
+    dest: "/usr/local/sbin/{{item}}"
+    mode: '0755'
+  loop:
+    - power-saver-mode
+    - unlimited-power
+
+- name: add udev rules
+  become: yes
+  copy:
+    src: etc/udev/rules.d/99-powersave.rules
+    dest: /etc/udev/rules.d/99-powersave.rules
+    mode: '0755'
+
+- name: 'reload udev rules'
+  become: yes
+  shell:
+    cmd: |
+      udevadm control --reload
+      udevadm trigger