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-yo...@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
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