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}}