[yocto] A question on adding a new program to a new meta layer

[Bruce Ashfield]

On 13-03-08 08:27 AM, Insop Song wrote:
> On Thu, Mar 7, 2013 at 6:04 AM, Bruce Ashfield
> <bruce.ashfield at windriver.com> wrote:
>> On 13-03-07 12:05 AM, Insop Song wrote:
>>>
>>> Bruce,
>>>
>>> That's very good. I will bring linux-yocto-3.8 kernel to meta-dl.
>>> (https://github.com/insop/meta-dl/tree/linux-yocto-3.8)
>>
>>
>> I have another suggestion to offer here, one I've been wanting to
>> do for a bit.
>>
>> I've added Darren Hart to the thread, since I'd like to hear from
>> him on this as well.
>>
>> I have a use for the scheduling tools and benchmark cases for some
>> virtualization usecases (meta-virtualization on git.yoctoproject.org).
>>
>> We already have "recipes-rt" in oe-core, and the preempt-rt kernel
>> available from linux-yocto, and as we've been discussing I've added
>> support for EDF/sched_dealine in linux-yocto-3.8.
>>
>> I'm not a fan of having to many layers, but rather than putting these
>> efforts in github layers, hiding them in meta-virtualiation and they
>> aren't yet "core" enough to go in oe-core .. I'd rather see them
>> conslidated in a "meta-realtime" (or whatever name we decide on)
>> layer on git.yoctoproject.org.
>>
>
> meta-realtime sounds good to me, and this can include schedulers
> real-time application and testing suits.
>
>> There are also ideas around interrupt management, AMP, and alternative
>> system partitioning that I'd like to drive into such a layer.
>>
>
> Good idea to add these continuously to the "meta-realtime"
>
>
>> A quick scan of the layer index, doesn't show anything that matches
>> this description. So I'm suggesting that we create a new layer
>> to consolidate these approaches, and a layer that can be consumed by
>> some of the other layers that are currently in progress.
>>
>> Comments ? In particular, point out a layer that already does this that
>> I've missed.
>>
>>
>
> I've took out machine related from my previous meta-dl-qemux86 and put
> together meta-realtime as a starting point. It has two sched_deadline
> testing program.
> It's on github for now for your reference, but I am willing to move or
> merge to git.yocto.
>
> https://github.com/insop/meta-realtime

Thanks. I'll have a look, I have my own local meta-realtime as well,
so I can consolidate the two and see about getting them hosted on
git.yoctoproject.org.

Cheers,

Bruce

>
> Thank you,
>
> Insop
>