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Date: Fri, 11 May 2012 18:38:18 +0200 From: Vincent Guittot <vincent.guittot@...aro.org> To: Steven Rostedt <rostedt@...dmis.org>, Juri Lelli <juri.lelli@...il.com> Cc: paulmck@...ux.vnet.ibm.com, smuckle@...cinc.com, khilman@...com, Robin.Randhawa@....com, suresh.b.siddha@...el.com, thebigcorporation@...il.com, venki@...gle.com, peterz@...radead.org, panto@...oniou-consulting.com, mingo@...e.hu, paul.brett@...el.com, pdeschrijver@...dia.com, pjt@...gle.com, efault@....de, fweisbec@...il.com, geoff@...radead.org, tglx@...utronix.de, amit.kucheria@...aro.org, linux-kernel@...r.kernel.org, linaro-sched-sig@...ts.linaro.org Subject: Re: Plumbers: Tweaking scheduler policy micro-conf RFP On 11 May 2012 18:26, Steven Rostedt <rostedt@...dmis.org> wrote: > Not really specific to HW, but Juri Lelli has been working on a deadline > scheduler. Perhaps his work may be of interest. Yes for sure, if Juri is agree to present his work Vincent > > -- Steve > > > On Fri, 2012-05-11 at 18:16 +0200, Vincent Guittot wrote: >> This is a request-for-participation in a micro conference during the >> next Linux Plumber Conference (29-31st Aug). >> It'll require critical mass measured in talk submissions in the >> general area of scheduler and task management. >> >> If you're working on improving the the scheduler policy used to place >> a task on a CPU to suit your HW, we are inviting your participation >> and request you to submit a proposal to present your problem (e.g. >> power-efficiency) or a solution to solve said problem that should be >> considered by upstream developers. >> >> We've interacted with the people in To: list before in our quest to >> better understand how the scheduler works and we're hoping you all >> will consider participating in the micro-conf to help guide what kinds >> of ideas are likely to make it upstream. >> >> If you have ongoing work or ideas in the the following areas we're >> especially interested in hearing from you: >> 1. Consolidation of statistics with other frameworks (cpuidle, >> cpufreq, scheduler all seem to track their own statistics related to >> load, idleness, etc. Can this be converted to a library that is >> useable by all?) >> 2. Replacement for task consolidation on fewer CPUs aka. replacement >> for sched_mc >> 3. Improvement in the placement of activity beside tasks: timer, >> workqueue, IO, interruption >> 4. Instrumentation to calculate the compute capacity available on >> active cores and its utilization by a given workload >> >> We are thinking of organising the micro-conf as a Q & A session where >> a participant would state a problem and then there would be >> brainstorming on if this is indeed a problem and is so, how to achieve >> a solution. In other words, 20-30 minute slots of each Q & A >> >> 1. Problem statements with specific examples on why changing the >> default scheduler policy is desired >> 2. For each problem, if it is deemed not possible to accomplish easily >> today, brainstorming on what an acceptable solution would look like >> (frameworks to build upon, interfaces to use, related work in the >> area, key people to involve, etc.) >> >> Please email us if you will be attending the conference and interested >> in talking about this problem space. >> >> Regards, >> Amit & Vincent > > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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