SCHED_ULE should not be the default

Attilio Rao attilio at freebsd.org
Thu Dec 15 16:42:12 UTC 2011


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


More information about the freebsd-stable mailing list