Re: RFC: THE OFFLINE SCHEDULER

From: Chris Friesen
Date: Thu Aug 27 2009 - 12:52:16 EST


On 08/26/2009 03:37 PM, raz ben yehuda wrote:
>
> On Wed, 2009-08-26 at 15:15 -0600, Chris Friesen wrote:

>> We gave it as close to a whole cpu as we could using cpu and irq
>> affinity and we used message queues in shared memory to allow another
>> cpu to handle I/O. In our case we still had kernel threads running on
>> the app cpu, but if we'd had a straightforward way to avoid them we
>> would have used it.

> Chris. I offer myself to help anyone wishes to apply OFFSCHED.

I just went and read the docs. One of the things I noticed is that it
says that the offlined cpu cannot run userspace tasks. For our
situation that's a showstopper, unfortunately.

Chris

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