Re: [RFP] LPC thermal track

[Eduardo Valentin <edubezval@gmail.com>]

[-- Attachment #1: Type: text/plain, Size: 2384 bytes --]

Hello Punit,

On Fri, Mar 27, 2015 at 11:47:45AM +0000, Punit Agrawal wrote:
> Hi Eduardo,
> 
> Thanks for proposing a thermal micro-conference. It would be good to 
> discuss the direction things are heading with regards to thermal in linux.
> 

Great!

Let's see if we can get enough entropy to get it approved.

> On 27/03/15 00:02, Eduardo Valentin wrote:
> > Hello all,
> >
> > I've created a proposal for a thermal microconference track on the LPC
> > 2015 [1]. The basic idea is to get thermal developers together and
> > discuss the thermal role within the Linux environment, from kernel and
> > userspace perspective.
> >
> > A initial proposal for the topics to be discussed are:
> > . Closed loop control governors
> > . Sensor API
> > . Thermal class: split of temperature sensor device and thermal driver
> > . Improvements on OF-thermal
> > . Devfreq vs. clock cooling
> > . Power model based policies
> > . User space tools
> > . User space governors
> >
> > If you have interest, or if you have ideas on how to improve the
> > framework, reply to this email and add it to the wiki.
> >
> 
> I'd like to propose -
> 
> . Co-ordination among cooling-devices in the system
> 
> In workloads that involve multiple devices such as camera+CPUs+image 
> singal processor or camera+video encoding, etc. often there are 
> dependencies across multiple devices' performance states to achieve 
> minimum acceptable performance (24fps HD encode for example). When 
> thermally constrained it would help to have some mechanisms to 
> co-ordinate their performance control. The power allocator governor 
> attempts to solve some of these problems but it would be good to have a 
> wider discussion on enabling more scenarios.
> 

Sounds good to me. It would be interesting to see if plumbing is
required in the framework itself.

> 
> > Add your name in the list of participants as well. Also, if you feel
> > like giving a talk on the topic, let's add it to the topic list.
> >
> 
> Done.
> 

Can you please also add you name as presenter of this topic?

> Cheers,
> Punit
> 
> > Currently I am simple checking what would be the level of interest to
> > have this topic as a LPC microconference.
> >
> > BR,
> >
> > Eduardo Valentin
> >
> >
> > [1] - http://wiki.linuxplumbersconf.org/2015:thermal
> >
> 

[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 473 bytes --]