Linux Power Management
From DWIKI
Documentation
- /usr/src/linux/Documentation/usb/power-management.txt
- /usr/src/linux/Documentation/cpu-freq/index.txt
HOWTO
Hibernate
https://askubuntu.com/questions/1240123/how-to-enable-the-hibernate-option-in-ubuntu-20-04
CPU frequency scaling
- {https://docs.kernel.org/admin-guide/pm/cpufreq.html CPU Performance Scaling]
- https://wiki.archlinux.org/title/CPU_frequency_scaling
Relevant commands
cpufreq-info
Check which governor is active
cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor
Check which governors are available
cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
Thermal Throttling
Tools
- powertop
- cpufrequtils
- cpupower
- powersaved
- powernowd
- powerdevil
- lm-sensors
