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
=============

According to the TSC decision the IKS code is now made public:
http://www.linaro.org/linaro-blog/2013/05/02/the-linaro-iks-code-now-publicly-available/

Quote from the link above: "The core MCPM patches are queued for
inclusion into the v3.10 mainline kernel.  The MCPM backend for TC2 and
the IKS patches will tentatively be submitted for v3.11."


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.

   - LAVA API is in production now
   - working on getting it used


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 (May 2013).


* 
https://blueprints.launchpad.net/linaro-big-little-system/+spec/small-task-packing-in-scheduler

      Two fix patches have been accepted.

      V4 sent to LKML. Started getting feedback.


* 
https://blueprints.launchpad.net/linaro-big-little-system/+spec/cpu-hot-plug-latency

      Moving forward as the crash has been resolved.

      Pass/Fail verdict needs to be added to cpu_hotplug_latency test
      script.


*  
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 (2013.04 release):

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

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