Re: A question on adding a new program to a new meta layer

[Bruce Ashfield <bruce.ashfield@windriver.com>]

On 13-03-07 4:49 PM, Insop Song wrote:
>>
>> Thanks Juri, I was going to add you to my linux-yocto-3.8 announcement
>> email and due to some last minute debug activities .. it slipped my
>> mind. So I'm using this thread to let you, and anyone else that is
>> interested know that sched_deadline support is available to try out
>> in linux-yocto-3.8.
>>
>
> Could you also add me in the announcement list?

I can definitely do that.

Also if you sign up for the linux-yocto@yoctoproject.org
mailing list, that's where announcements and kernel feature discussions
happen around linux-yocto. It would be a great place (versus this
main yocto mailing list) to talk about sched_deadline in particular.

>
>>
>>>
>>> As I already told to Insop, I don't have any automated test for the
>>> patchset, but I usually run different scenarios using basically this
>>> two tools (and giving a look at simple cases through kernelshark):
>>>
>>> 1- schedtool-dl: https://github.com/jlelli/schedtool-dl
>>>      the idea here is to let a 'yes' run through SCHED_DEADLINE and
>>>      check through kernelshark that the bandwidth enforcement
>>>      mechanism works.
>>>
>>> 2- rt-app: https://github.com/gbagnoli/rt-app
>>>      with this I usually let some tasksets run for several hours on
>>>      a 48-cores machine we have in our lab, I can provide the tasksets
>>>      (json files) and the script to run them.
>>>
>>> Please let me know how I can help further.
>>
>>
>> This is a good start. I have some old references to tests that I'll
>> dig up as well.
>>
>
> You can check this recipes-tool to find out the above programs
> (configuration and installation) in here,
> https://github.com/insop/meta-dl/tree/sched-dl-V7/recipes-tools
>
>
>> I'm looking to develop some "real world" examples of the scheduler
>> class in action, since as we've been saying .. getting those examples
>> will both help the approach and perhaps help get it merged into the
>> mainline kernel.
>>
>
> I've been looking application descriptions when I was in Ericsson, and
> provided cases to Thomas and Juri.
> I am interested in this as well, and include them in easy-to test/validate form.

Great!

Bruce

>
> I will also reply to your other mail shortly.
>
> Regards,
>
> Insop