big.LITTLE MP status Jan 25, 2013 [LWN.net] (original) (raw)

| From: | | David Zinman david.zinman-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org | | --------------- | | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | | To: | | linaro-dev linaro-dev-cunTk1MwBs8s++Sfvej+rw@public.gmane.org | | Subject: | | big.LITTLE MP status Jan 25, 2013 | | Date: | | Fri, 25 Jan 2013 15:04:12 -0500 | | Message-ID: | | CALJPkR+Sk0=V-K-4tVxqHbqdnjTYgXDrvBKKsOX4ox0vspCphQ@mail.gmail.com | | Cc: | | Joe Bates joe.bates-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, Kate Stewart kate.stewart-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, Tech Leads techleads-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, Mounir Bsaibes mounir.bsaibes-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, Grant Likely grant.likely-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org |

https://wiki.linaro.org/projects/big.LITTLE.MP

The big.LITTLE MP Project Plan and project documents are currently being updated.

Roadmap Cards

Improving HMP Linux scheduling - http://cards.linaro.org/browse/CARD-190

Version 14 of big.LITTLE MP has been pushed. Updates: ------- - Rebased over 3.8-rc2 - per-task-load-average-v3-merged dropped as its already present in 3.8-rc2 - sched-pack-small-tasks-v1-fixed and sched-pack-small-tasks-v1-arm dropped, as sched-pack-small-tasks-v2 contains all required patches. Even sched-pack-small-tasks-v2 is dropped at last moment due to some issues. - Few patches from arm-multi_pmu_v2 dropped as they are already mainlined. - Stats: Total distinct patches: 37 - New Patches: cpufreq-fixes-v2 (5) Details here: http://lists.linaro.org/pipermail/linaro-dev/2013-January...

Blueprints

Big.LITTLE MP blueprints are in the process of being updated to reflect the upcoming development iteration.

https://blueprints.launchpad.net/linaro-android/+spec/cpu... https://blueprints.launchpad.net/linaro-power-kernel/+spe... https://blueprints.launchpad.net/linaro-power-kernel/+spe... https://blueprints.launchpad.net/linaro-power-kernel/+spe... https://blueprints.launchpad.net/linaro-power-kernel/+spe...

Other Efforts

The big.LITTLE MP team has just wrapped up a sprint in Cambridge. Items discussed were benchmarking, deliverables, quality assurance, configuration management and how Linaro will accomplish on going support for successive Android kernels. More on these items as they develop.

QA

QA statistics will be available in future updates.

-- David Zinman, Project Manager Linaro.org | Open source software for ARM SoCs