SIGs/PowerManagement

Mission

The PowerManagement SIG (Special Interest Group) is a group of Fedora contributors that wants to improve the current state of power management and savings across the whole Fedora distribution. This starts at kernel components, goes over userland improvements up to usability and user experience on the Desktop.

Participants

• Jaroslav Škarvada <jskarvad AT redhat DOT com> (package maintainer of powertop, pm-utils, acpid, apmd, bltk, PM measurement/benchmarking and tuned upstream)
• Jan Včelák <jvcelak AT redhat DOT com> (package maintainer / tuned upstream)
• Jan Scotka <jscotka@redhat.com> (QA coverage)
• Juraj Marko <jmarko@redhat.com> (QA coverage)
• Vratislav Podzimek <vpodzime (at) redhat (dot) com> (measurement)

Joining the SIG

As with most other Fedora projects and SIGs all it takes is your interest. There are enough topics to cover around Power Management, so it's unlikely we will run out of work to do. :) Feel free to join us on #fedora-power IRC channel or power-management mailing list.

How you can help

• Meetings:We will hold weekly meetings to discuss the general topic: IRC meetings - Every Wednesday at 14:00 - 15:00 UTC on #fedora-meeting (if there are attendance)
  • Meeting logs:SIGs/PowerManagement/Meetings
• Work Areas: We have several real technical oriented work areas, listed below. If you want to contribute to any of them feel free to check out the specific areas.
• Testing: In order to be able to make any kind of comparison we will need reproducible testing. This includes measurements itself as well as reproducible workloads. For the later we've included BLTK in Fedora 11 already, for the former we're still investigating how to address this properly.
• Bugs: In case you find something that should be improved in regard to power management please open a Bugzilla for it. We have several tracker bugs for Fedora for power management:
  • Tracker bug for power management efforts
    • Tracker bug for over-eager apps that won't let disks spin down
    • Tracker bug for applications waking up a lot
• Documentation: A large topic that we want to address is documentation improvements. Right now a lot of the technical pieces are there, but there is no comprehensive documentation available that describes in understandable terms with examples how to use it.
• To do list: List of things to do, ideas for improvement, new projects proposal, etc. Check this list and maybe you will find something interesting you would like to work on:
  • SIGs/PowerManagement/Todos

Work Areas

Kernel

Work around kernel, hardware and driver topics are being covered in detail here: SIGs/PowerManagementKernel

BaseOS

Same for the underlying basic user space topics: SIGs/PowerManagementBaseOS

Desktop

Same for the whole Desktop space: SIGs/PowerManagementDesktop

Documentation

UserDocumentation DevelopmentDocumentation

Measurement and results

Contains various measurement reports

• F13-F16 power consumption comparison
• RHEL 5 vers. F12 power consumption comparison
• Power consumption of wifi in notebook
• Comparison virtualized 32 bit and 64 bit systems
• Power savings using different tunables on Fedora 12
• Wifi Transmission Speed and Power Consumption

Features

• Features/PowerManagementF17

Test Days

Current

• Power Management Test Day F20

Archive

• Power Management Test Day F19
• Power Management Test Day F18
• Power Management Test Day F17
• Power Management Test Day F16
• Power Management Test Day F15