https://wiki.linaro.org/projects/big.LITTLE.MP
Work Items for functional completion: https://wiki.linaro.org/projects/big.LITTLE.MP/WorkItems Roadmap Cards: Epic big.LITTLE MP card - http://cards.linaro.org/browse/CARD-190 Main Project page: https://launchpad.net/linaro-big-little-system Announcement ============= As announced previously, I'm taking over this project and am replacing David Zinman, who is still keeping an eye on the project to ensure the smooth transition. Development ============ Big.LITTLE MP is following a two-track development: 1. A Reference (stable) patchset: https://git.linaro.org/gitweb?p=arm/big.LITTLE/mp.git;a=shortlog;h=refs/heads/linux-linaro-MP-reference-20130418 2. And an upstream (work in progress) patchset: https://git.linaro.org/gitweb?p=arm/big.LITTLE/mp.git;a=shortlog;h=refs/heads/linux-linaro-MP-upstream-20130418 Both branches are now merged with linux-linaro branch. Automated benchmarking code is ready (reviewing), permissions to be added. - Authentication is being added to the API. - Still having dependency on Android/LAVA teams. Blueprint Updates ------------------ * https://blueprints.launchpad.net/linaro-big-little-system/+spec/big-little-mp-integration-tree No issues, moving forward * https://blueprints.launchpad.net/linaro-big-little-system/+spec/cpuidle-add-cpu-specific-states-capability Postponed to the next month. * https://blueprints.launchpad.net/linaro-big-little-system/+spec/small-task-packing-in-scheduler There is an idea of merging patches with Alex's ones. Discussion is ongoing (there are certain concerns). A lot of testing on big multicore systems is required - talking to IBM and Canonical to use their x86 big systems. * https://blueprints.launchpad.net/linaro-big-little-system/+spec/cpu-hot-plug-latency kernel crash has been fixed, moving forward * https://blueprints.launchpad.net/linaro-big-little-system/+spec/document-bl-customisation completed * https://blueprints.launchpad.net/linaro-big-little-system/+spec/sched-cooperation-with-dvfs Long-lasting BP (6+ month to get something), just starting QA == big.LITTLE MP LAVA Dashboard http://validation.linaro.org/lava-server/dashboard/image-reports/linaro-android_vexpress-linaro-mp Testing: sched_tests.git #Cases #Run Pass Fail Absolute pass rate Regression 20 19 19 0 100 % mpbasicsuite 14 10 10 0 100 % mpcoresuite 10 6 5 1 90 % mpextendedsuite 20 10 7 3 70 % mploadbalance 2 2 2 0 100 % http://lists.linaro.org/pipermail/linaro-dev/2013-April/015864.html Bugs: https://bugs.launchpad.net/linaro-big-little-system/+bugs?field.tag=bl-mp -- Best Regards, Serge Broslavsky <serge.broslav...@linaro.org> Project Manager, Linaro M: +37129426328 IRC: ototo Skype: serge.broslavsky http://linaro.org | Open source software for ARM SoCs
Work Items for functional completion:
https://wiki.linaro.org/projects/big.LITTLE.MP/WorkItems
Roadmap Cards:
Epic big.LITTLE MP card - http://cards.linaro.org/browse/CARD-190
Main Project page:
https://launchpad.net/linaro-big-little-system
Announcement
==============
Please welcome Serge Broslavsky as the new big.LITTLE project manager who will be taking over from David Zinman as the project moves forward. Serge will add this project on top of his duties as project manager for the Power Management team and the Virtualization project.
Development
=============
Blueprint Update
-------------------------
===
big.LITTLE MP LAVA Dashboard
http://validation.linaro.org/lava-server/dashboard/image-reports/linaro-android_vexpress-linaro-mp
Testing:
#Cases #Run Pass Fail Absolute pass rateDevelopment
=============
Big.LITTLE MP is following a two-track development:
A Reference (stable) patchset:
A Reference (stable) patchset:
and an upstream (work in progress) patchset:
Automated benchmarking code is ready (reviewing), permissions to be added.
- Authentication is being added to the API.
- Still having dependency on Android/LAVA teams
-------------------------
-
https://blueprints.launchpad.net/linaro-big-little-system/+spec/big-little-mp-integration-tree
No issues, moving forward
Postpone to the next month.
https://blueprints.launchpad.net/linaro-big-little-system/+spec/small-task-packing-in-scheduler
Preparing a more aggressive packing small tasks patchset version
Discussion around fix patches (rt task issue and nr_busy_cpus issue): almost ok now
Prototype should be available this week
https://blueprints.launchpad.net/linaro-big-little-system/+spec/cpu-hot-plug-latency
kernel crash happens when test enables function trace; reported this issue and updated blueprint.
https://blueprints.launchpad.net/linaro-big-little-system/+spec/document-bl-customisation
produced a draft
https://blueprints.launchpad.net/linaro-big-little-system/+spec/sched-cooperation-with-dvfs
Long-lasting BP (6+ month to get something), just starting
===
big.LITTLE MP LAVA Dashboard
http://validation.linaro.org/lava-server/dashboard/image-reports/linaro-android_vexpress-linaro-mp
Testing:
Regression 20 19 19 0 100 %
mpbasicsuite 14 10 10 0 100 %
mpcoresuite 10 6 5 1 90 %
mpextendedsuite 20 10 6 4 60 %
mploadbalance 2 2 2 0 100 %
mpbasicsuite 14 10 10 0 100 %
mpcoresuite 10 6 5 1 90 %
mpextendedsuite 20 10 6 4 60 %
mploadbalance 2 2 2 0 100 %
--
David Zinman, Project ManagerLinaro.org | Open source software for ARM SoCs
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