Re: SCHED_ULE should not be the default

From: Attilio Rao <attilio_at_freebsd.org>
Date: Thu, 15 Dec 2011 17:42:09 +0100
2011/12/15 Mike Tancsa <mike_at_sentex.net>:
> On 12/15/2011 11:26 AM, Attilio Rao wrote:
>>
>> Hi Mike,
>> was that just the same codebase with the switch SCHED_4BSD/SCHED_ULE?
>
> Hi Attilio,
>        It was the same codebase.
>
>
>> Could you retry the bench checking CPU usage and possible thread
>> migration around for both cases?
>
> I can, but how do I do that ?

I'm thinking now to a better test-case for this: can you try that on a
tmpfs volume?

Also what filesystem you were using? How many CPUs were in place?
Did you reboot before to move the steal_thresh value?

Attilio


-- 
Peace can only be achieved by understanding - A. Einstein
Received on Thu Dec 15 2011 - 15:42:12 UTC

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