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

Insop Song insop.song at gmail.com
Thu Mar 7 13:49:30 PST 2013


>
> 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?

>
>>
>> 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.

I will also reply to your other mail shortly.

Regards,

Insop



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