Note: This page is a work in progress.
Who is this for?
The majority of people who will be interested in power management on Funtoo will be split into the following two cases:
- Laptop users
- Low Power Workstation/Server users
This article is currently almost exclusively directed at laptop users.
Battery life, environmentalism, obsessiveness.
The author of this article saw a huge improvement in battery life after setting up necessary options, jumping from a 5:37 hour ACPI estimate to over 11 hours! (Thinkpad T420, 9-cell battery)
We've only got one planet right now, resources are limited, so why not use them wisely? Saving power reduces strain on your infrastructure and might save a couple furry bear cubs down the road. Also note that a reduction in power consumption means a reduction in your electricity bill.
How to start
First of all, you need to decide how much performance (if any) you're willing to sacrifice for a reduction in power.