linux-kernel - Re: Work queues and cpu isolation

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Message-ID: <CAOtvUMfZeZ0OSXDjeo0xFF-hdQwzLfrdCucJfP_hM_1ZJ8oXBA@mail.gmail.com>
Date:	Wed, 9 May 2012 17:35:55 +0300
From:	Gilad Ben-Yossef <gilad@...yossef.com>
To:	wilson self <wself00@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Frédéric Weisbecker <fweisbec@...il.com>,
	Max Krasnyansky <maxk@...lcomm.com>
Subject: Re: Work queues and cpu isolation

Hi Wilson,

On Wed, May 9, 2012 at 12:03 AM, wilson self <wself00@...il.com> wrote:
> I have done some reading on the subject of work queues and CPU
> isolation, and specifically I've read a number of posts from Max K.
> dating back to 2008 on the subject of CPU isolation.  However, I have
> not seen much in the way of discussion on the subject in more recent
> times, specifically in the 3.x kernels; where it appears there are
> some significant differences in the structure of workqueue in general.
>
> Is there anyone currently doing work on additional isolation of CPUs
> from work queues? I have some requirement to further isolate cores on
> a machine from these queues and am hoping someone here could point me
> in the right direction.
>

Yes, I am and so do many other people on the general topic of CPU isolation.

Start here: https://github.com/gby/linux/wiki

Continue here: https://lkml.org/lkml/2012/5/3/268

And if you are interested in CPU isolation in general, then these will
interest you as well:

http://lwn.net/Articles/495422/

http://lkml.indiana.edu/hypermail/linux/kernel/1202.1/00590.html (this
last patch set has gone into 3.4-rc1 already)

I'd be very glad to cooperate :-)

Gilad

> Thanks.
> wilson
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