Linux Power Management: Difference between revisions

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==CPU frequency scaling==
==CPU frequency scaling==
* {https://docs.kernel.org/admin-guide/pm/cpufreq.html CPU Performance Scaling]
* https://wiki.archlinux.org/title/CPU_frequency_scaling
* https://wiki.archlinux.org/title/CPU_frequency_scaling



Revision as of 09:48, 13 November 2025

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

Relevant commands

cpufreq-info

Check which governor is active

cat /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

Thermal Throttling

Tools

  • powertop
  • cpufrequtils
  • cpupower
  • powersaved
  • powernowd
  • powerdevil
  • lm-sensors