Re: Plumbers: Tweaking scheduler policy micro-conf RFP

[Juri Lelli]

On 05/11/2012 06:38 PM, Vincent Guittot wrote:
> On 11 May 2012 18:26, Steven Rostedt<rostedt@xxxxxxxxxxx>  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

Sure! It will be really interesting for me.
I'm setting up the proposal. I'll send it today.

Thanks and Regards,

- Juri
 
> 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
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