How to check Which Application is Draining Your Battery on Linux

Powertop is a tool to diagnose issues with power consumption and power management to help set power saving settings.

Installation

Arch Linux:

sudo pacman -S powertop

Debian based (Ubuntu, Mint, Raspbian ..etc):

add-apt-repository ppa:eugenesan/ppa
apt-get update
apt-get install powertop -y

PowerTOP has been installed, you can use the following command to know more about it.

powertop --help

Profile battery usages

Following command will generate the HTML file called powerreport.html Open the report in your favorite web browser.

sudo powertop --html=powerreport.html

Tuning

sudo powertop

The Tuning tab of the report shows the actual parameters suggested by the tool to apply to save power

For more information: https://wiki.archlinux.org/index.php/powertop

This article published on Hashnode

Comments

[Andres Leon]

beautfiul article. Simple and effective. Is there something like this combined with top that you can check memory consumption by MB instead of KB?

[Thamaraiselvam]

Thanks for feedback.
top -M M Command lists process by MB.