Hi Aditya, On 24 June 2013 08:41, Aditya <aditya...@samsung.com> wrote: > Hi Serge, > > Thanks a lot for the report. > > I have couple of queries: > > 1. what is Golden Board (configuration ?) ? > > 2. could you please send me b.L MP test suite ? > (I believe that b.L MP test suite is open to member companies)
The testsuites are released. You can find them on http://releases.linaro.org/13.05/android/testsuites/ You're looking for sched-testsuite. > 3. >>>https://blueprints.launchpad.net/linaro-big-little-system/+spec/sched-cooperation-with-dvfs > >> Postponed. Priorities are to be re-evaluate . > Requesting you to please let me know the status of this, hope this will not > have affect b.L MP final schedule ? > > 4. I believe that there is some issue in my mail client, as this report is > dated 18th June, but I receiving it today, that is on 24th June. > (I will check this issue with my system administrator) > > Thanks and best regards, > Aditya > > -------------------------------------------------- > From: "Serge Broslavsky" <serge.broslav...@linaro.org> > Sent: Monday, June 24, 2013 12:28 AM > To: "linaro-dev" <linaro-dev@lists.linaro.org> > Cc: "Scott Bambrough" <scott.bambro...@linaro.org>; "Berny Goodheart" > <berny.goodhe...@huawei.com>; "Serge Broslavsky" > <serge.broslav...@linaro.org>; "Tech Leads" <techle...@linaro.org>; "David > Rusling" <david.rusl...@linaro.org>; "George Grey" <george.g...@linaro.org>; > "Alexander Sack" <a...@linaro.org>; "Joe Bates" <joe.ba...@linaro.org>; > "Mark Orvek" <mark.or...@linaro.org>; "Kate Stewart" > <kate.stew...@linaro.org>; "David Zinman" <david.zin...@linaro.org> > Subject: big.LITTLE MP status June 18, 2013 > > >> https://wiki.linaro.org/projects/big.LITTLE.MP >> >> Work Items for functional completion: >> https://wiki.linaro.org/projects/big.LITTLE.MP/WorkItems >> >> >> Main Project page: >> https://launchpad.net/linaro-big-little-system >> >> >> Development >> ============ >> >> 1. big.LITTLE IKS >> >> IKS snapshot: >> git://git.linaro.org/landing-teams/working/arm/kernel.git >> >> More information: >> http://lists.linaro.org/pipermail/linaro-dev/2013-May/015882.html >> >> Also the latest Linaro 13.05 release contains big.LITTLE release >> with IKS code integrated. By default MP is used (IKS is off). >> To enable IKS: >> >> echo 1 > /sys/kernel/bL_switcher/active >> >> Same is planned for Linaro 12.06 release. >> >> >> 2. big.LITTLE MP >> >> There are two branches, which are functionally equivalent - they >> tweak the scheduler to select the right processes to move to the A15 >> and try to decrease power consumption while maintaining performance. >> >> >> * A Reference big.LITTLE MP patchset (based on ARM Beta patchset), >> merged with linux-linaro: >> >> >> >> https://git.linaro.org/gitweb?p=arm/big.LITTLE/mp.git;a=shortlog;h=refs/heads/linux-linaro-MP-reference-20130524.0 >> >> Recommended to be used for testing. >> >> * And an upstream (work in progress) big.LITTLE MP patchset: >> >> >> >> https://git.linaro.org/gitweb?p=arm/big.LITTLE/mp.git;a=shortlog;h=refs/heads/linux-linaro-MP-upstream-20130524.0 >> >> Being worked on in order to achieve the performance/power >> numbers of the reference one. Upstream discussion is ongoing. >> >> * Documentation: >> >> Code flow is already covered by several LWN articles. See >> https://wiki.linaro.org/WorkingGroups/PowerManagement/Doc/ in >> the Articles section. We will provide a tuning guide once we >> have reached agreement upstream. >> >> * Automated benchmarking code is ready: >> >> - Golden Board is to be used for running daily tests. >> - Both branches - reference and upstream to be tested in the >> future. >> >> >> Blueprint Updates >> ------------------ >> >> * >> https://blueprints.launchpad.net/linaro-big-little-system/+spec/big-little-mp-integration-tree >> >> Ongoing work. >> >> >> * >> https://blueprints.launchpad.net/linaro-big-little-system/+spec/small-task-packing-in-scheduler >> >> - Big variation previously seen is not visible on the Golden >> Board. It might be caused by an USB stick with insufficiently >> high speed - working on this hypothesis. >> >> - Latest patchset (not yet published upstream) shows low delta with >> the reference patch set results. >> >> >> * >> https://blueprints.launchpad.net/linaro-big-little-system/+spec/sched-cooperation-with-dvfs >> >> - Postponed. Priorities are to be re-evaluated. >> >> >> QA >> == >> >> big.LITTLE MP LAVA Dashboard >> >> http://validation.linaro.org/lava-server/dashboard/image-reports/linaro-android_vexpress-linaro-mp >> >> Testing (week 25): >> >> 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 6 0 84 % [1][2] >> mpextendedsuite 20 10 7 3 70 % [3] >> mploadbalance 2 2 2 0 100 % >> >> --- >> [1] https://bugs.launchpad.net/linaro-big-little-system/+bug/1188655 >> [2] core_test_scn02.1 reported failed in full execution and passed >> independently: https://pastebin.linaro.org/view/21cf80f3 >> [3] https://bugs.launchpad.net/linaro-big-little-system/+bug/1183769 >> >> >> Bugs: >> https://bugs.launchpad.net/linaro-big-little-system/+bugs?field.tag=bl-mp >> >> Highlight: Bug 1166246 - Lockup on post 3.9 IKS kernel >> >> - can be hardware or software bug, investigation continues. >> - seems to be related to MMC being in use (switching to USB >> stick can be used as a reliable workaround). >> >> Highlight: Bug 1183821 - perf failed to count events on A15 cluster >> >> - existing perf code is at the end of it's lifecycle. >> - a rewrite is ongoing. >> - will stay unfixed for Linaro 13.6 release. >> >> -- >> 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 Cheers, -- Fathi Boudra Builds and Baselines Manager | Release Manager Linaro.org | Open source software for ARM SoCs _______________________________________________ linaro-dev mailing list linaro-dev@lists.linaro.org http://lists.linaro.org/mailman/listinfo/linaro-dev
