Red Hat Planning Fresh Work On Linux Battery Life, Testers Needed
Written by Michael Larabel in Red Hat on 14 September 2017 at 06:20 AM EDT. 15 Comments
RED HAT --
Hans de Goede's latest assignment at Red Hat is working to improve Linux laptop battery life.

Among the improvements he is targeting is to enable more runtime power management tunables and one of his first areas of focus is on SATA Link Power Management.

Recently there has been work on a new Link Power Management policy of "med_power_with_dipm" for systems that otherwise have issues with the existing min_power policy. In these cases, "issues" can mean data corruption and so Hans is hoping this new med_power_with_dipm will be beneficial for more laptops running Linux.

This kernel patch implements the new policy. Hans de Goede has also spun a Fedora kernel for those wishing to test it out.

If you want to learn more about Hans' initial work on extending Linux laptop battery life for Red Hat, stop by his blog.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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