Fedora/RHEL power management blog

Thanks all who attended the event (personally or online). There were about 40 visitors during the day in our "test room" in Brno office and it was really great to meet there. The demand was more ...

http://pm-blog.yarda.eu/2013/04/fedora-19-power-management-test-day.html

Fedora 19 power management test day will start this Wednesday (2013-04-17). The event will be mainly focused on laptops, but even desktop machines can be tested. There are also prepared three tes...

http://pm-blog.yarda.eu/2013/04/f19-power-management-test-day.html

Fedora 18 is out and I had spare Lenovo ThinkPad T520 so I performed a simple check how it stays against Fedora 17 regarding power consumption. The check was very simple, only 4 tests were run o...

http://pm-blog.yarda.eu/2013/01/f17f18-simple-power-consumption.html

Recently I packaged ddccontrol for Fedora. It is nifty tool that allows you to change settings of your external monitor (brightness, backlight, RGB, ...) from your desktop or CLI. It uses DDC/CI...

http://pm-blog.yarda.eu/2012/09/tip-control-your-external-monitor-from.html

From kernel 2.6.35 and up Radeon driver supports power management (PM). The default behavior is performance oriented, thus if you want to save some power you will need to tune the defaults. You c...

http://pm-blog.yarda.eu/2011/12/tip-power-management-settings-for.html

Fedora 16 has been released so I decided to test it with my Firefox test script to find out what's the power consumption in typical real world "web browsing" scenarios. TEST DESCRIPTION I use...

http://pm-blog.yarda.eu/2011/11/fedora-16-firefox-power-consumption.html

Today it is common to describe processor power consumption and thermal management state by CX, states where X can be number 0 to n (n depends on the CPU type). In the C0 state the CPU is running...

http://pm-blog.yarda.eu/2011/10/deeper-c-states-and-increased-latency.html

Thanks to all who attended the F16 Power Management Test Day , the feedback was really great. If you missed the event you can still post your results. Stats (till 2011-10-06) follows: OVERALL ST...

http://pm-blog.yarda.eu/2011/10/f16-power-management-test-day-results.html

Fedora 16 power management test day will start this Thursday (2011-09-29). The event will be mainly focused on laptops, but even desktop machines can be tested. Everybody is welcome to attend thi...

http://pm-blog.yarda.eu/2011/09/f16-power-management-test-day-will.html

Power management guide for F15 went through doc team for language corrections and is finally available online: http://docs.fedoraproject.org/en-US/Fedora/15/html/Power_Management_Guide/index.html...

http://pm-blog.yarda.eu/2011/09/power-management-guide-for-f15-was.html

Since I have more time during the summer, I have finally decided to do Firefox web browser power consumption comparison on various platforms. The goal was to compare power consumption in typical...

http://pm-blog.yarda.eu/2011/09/power-consumption-comparison-of-firefox.html

Recently I got into my hands Kingston SSDnow V+ series 128GB SNVP325-S2/128GB and Dell Latitude D620 laptop that was equipped with Hitachi HTS721010G9SA00 HDD. So I prepared simple power consump...

http://pm-blog.yarda.eu/2011/08/comparison-of-hddsdd-on-dell-latitude.html

Fedora 16 power management test day is planned to be be hold on 2011-09-29. This event will concentrate on testing how well various common power management operations work on range of systems. As...

http://pm-blog.yarda.eu/2011/08/f16-power-management-test-day-early.html

Fedora power management guide was updated to reflect all new features of F15. Currently the updated draft is available on: http://jskarvad.fedorapeople.org/doc/power-management-guide/ and it...

http://pm-blog.yarda.eu/2011/08/power-management-guide-for-f15.html

Welcome to Fedora/RHEL power management blog. We will present here power consumption measurement/benchmarking, announcements, news and tips related to power management in Fedora/RHEL. Stay tuned...

http://pm-blog.yarda.eu/2011/08/welcome.html