Turbo Boostを切りバッテリー持続時間を延ばす

参考

• Ubuntuで省電力設定「TLP」編
• CPU frequency scaling - ArchWiki
• Is there any way to underclock my CPU or disable turbo boost? Lenovo Y50 - Ask Ubuntu
• TLP - ArchWiki

方法

root権限で実施

echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo

ubuntuの場合

sudo add-apt-repository ppa:linrunner/tlp
sudo apt-get update
sudo apt-get install -y tlp tlp-rdw

/etc/default/tlp

- #CPU_BOOST_ON_AC=1
- #CPU_BOOST_ON_BAT=0
+ CPU_BOOST_ON_AC=1
+ CPU_BOOST_ON_BAT=0

systemctl start tlp
systemctl enabled tlp