Re: [Publicity] [Xen-devel] [PATCH] Add ARINC653 scheduler maintainers.

[Nate Studer <nate.studer@xxxxxxxxxxxxxxx>]

On 9/12/2013 4:00 AM, Dario Faggioli wrote:
> [Moving the conversation from @xen-devel to @publicity is happening on
>   purpose]
[Dropped George and Kathy from CC list, added Paul]

> On mer, 2013-09-11 at 17:42 -0400, Nathan Studer wrote:
> > From: Nathan Studer <nate.studer@xxxxxxxxxxxxxxx>
> Hi, Nathan, Robert,
>
> This is Dario, from Citrix, one of the Xen developer and the Xen
> Project's blog Czar. :-D
>
> > Previously the ARINC653 scheduler was indirectly maintained by
> > Kathy Hadley and Josh Holtrop being cc'd on changes by George
> > Dunlap.  Maintenance is currently being done by Robert VanVossen
> > and myself.  To avoid potential communication problems in the
> > future, make Robbie and I the official maintainers.
> This is actually cool news, I mean the fact that this scheduler is still
> useful to you and that you're committing to support it.
>
> Actually, given my background in Real-Time Systems, I've always been
> very curious about this scheduler, but still haven't found the time to
> investigate it properly.
>
> So, I was wondering whether you'd be up for writing a piece on the Xen
> Project's blog (http://blog.xenproject.org) with a bit  more of
> information about it for all the Xen users and developers.
>
> Something like, how the scheduler works (in short), what the typical use
> cases are, what are its strengths and weaknesses, what led to its
> introduction in Xen, why Xen, what do you currently use it for (if you
> can say that in public), and stuff like that...
We would be more than happy to write a blog post about it.  An ARINC653
domain scheduler is from a technical perspective pretty boring as far
as real-time schedulers go, but it does have some nice time determinism
properties, which lends to its use in safety critical fields.

> Looking up in the Wiki, I did find this
> http://wiki.xen.org/wiki/ARINC653_Scheduler, that has most of the
> technical information required to use it, but is surely not enough to
> satisfy my curiosity! :-P :-P
We should probably update this page, while we are at it.

> So, what do you think? If you want to do that, we can arrange for both a
> schedule for publishing it (and sort out the technical details, like
> allowing you to write blog posts).
>
> Let us know.
>
> Thanks and Regards,
> Dario
We are pretty flexible, so whatever schedule works for you should be fine.

  Nate


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