powertop

Optimize battery power usage. More information: https://github.com/fenrus75/powertop.

• Calibrate power usage measurements:

sudo powertop --calibrate

• Generate HTML power usage report in the current directory:

sudo powertop --html=power_report.html

• Tune to optimal settings:

sudo powertop --auto-tune

• Generate a report for a specified number of seconds (instead of 20 by default):

sudo powertop --time=5