Re: Plumbers: PM constraints micro-conf RFP

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Hi Mark,

On Wed, May 2, 2012 at 4:36 PM, mark gross <markgross@xxxxxxxxxxx> wrote:
> This is a Request For Participation in a micro-conference at this years
> Linux plumbers event.  For this micro conference to happen we need to
> reach a certain critical mass WRT participants as measured by submitted
> talks associated to Power Management Constraints.
That looks great! I hope some progress can be made in the area of the
constraints frameworks design.

> The To: list is populated with folks that I've had interactions with
> over extending pm-qos or constraint based PM over the past year.
>
> If you are working on problems related to constraining the power /
> performance of devices I am inviting your participation and request you
> submit a proposal for presenting your problem space (preferred) and or
> solution to a group of developers looking for a good solution to push
> upstream.  The talks will be about 20 min long as I want to get into
> some design and implementation discussions after the requirements
> definition is mostly finished.
I can have something about the per-device PM QoS, starting from the
ELC presentation [1], the current status and the next steps.

[1] https://events.linuxfoundation.org/events/embedded-linux-conference/pihet
The slides can be found at
https://events.linuxfoundation.org/images/stories/pdf/lf_elc12_pihet.pdf.

I am looking at the travel arrangements and will confirm asap.

> I am interested in gathering user mode interface needs as well as kernel
> mode.
An agreement is needed on the APIs, especially for the user space.

>
> From a high level pm-constraints is a generalization of pm-qos to include
> limiting performance as well as its current limiting of device
> throttling.
>
> As performance limiting is typically used for any of the following:
> 1) staying within thermal operational envelopes
> 2) avoiding peak current
> 3) extending battery life in active use cases
>
> I invite anyone working in any of these areas or pm-qos applications to
> participate in this micro-conference.
>
> I will organize the micro-conference into 2 parts:
> 1) problem statements with specific participant examples where
> constraining the performance or throttling is needed.
>
> 2) high level design brain storming.
>
> If the micro-conference happens (i.e. critical mass is reached) any
> interested linux-plumbers attendees is very welcome to participate.
>
> Please send me an off list email if you want me to add you to my mutt
> alias of interested parties I'll use to cc people on emails.  Note: must
> of the correspondence will cc linux-pm too.
>
> Please submit a proposal if you are interested in participating in this
> with me.  I know a number of people are working in this space for the
> past few years now.  I think its a good time to compare notes and at
> least consolidate requirements and use cases.  Perhaps we'll even come up
> with a good design to implement in the process.
>
> thanks,
> --mark

Thanks for organizing!

Regards,
Jean

>
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> https://lists.linuxfoundation.org/mailman/listinfo/linux-pm
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