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SubjectRe: Inquiry: Should we remove "isolcpus= kernel boot option? (may have realtime uses)
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Dear Michael Trimarchi,

Recently, I read your paper about EDF implementation in Linux like belows.

http://feanor.sssup.it/~marko/SAC09.pdf
(An implementation of the earliest deadline first algorithm in Linux
Proceedings of the 2009 ACM symposium on Applied Computing. )

Can I get your 2.6.27 based EDF patch to test your experiment result ?
Thanks reading.


Regards,
GeunSik, Lim


2008/6/5 Michael Trimarchi <trimarchimichael@yahoo.it>:
> [ sorry if this is going OT ]
>
> Hi,
>
>>
>> Furthermore, cpusets allow for isolated but load-balanced RT domains. We
>> now have a reasonably strong RT balancer, and I'm looking at implementing
>> a full partitioned EDF scheduler somewhere in the future.
>>
>
> I'm working on a partitioned EDF scheduler right now, and I have to
> face several issues, starting from the interface to use to expose the
> EDF scheduler to userspace, and the integration with the existing
> sched_rt policy.
>
> By now I'm experimenting with an additional sched_class that implements
> a SCHED_EDF policy, extending the POSIX struct sched_param with the
> EDF parameters of the task, do you see any better way to do that?
> Could that approach be reasonable?
>
> Michael
>
>
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--
Regards,
GeunSik Lim
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