Re: [patch v3 0/8] sched: use runnable avg in load balance

From: Michael Wang
Date: Tue Apr 02 2013 - 05:13:49 EST


On 04/02/2013 04:34 PM, Mike Galbraith wrote:
[snip]
>> The reason may caused by wake_affine()'s higher overhead, and pgbench is
>> really sensitive to this stuff...
>
> For grins, you could try running the whole thing SCHED_BATCH. (/me sees
> singing/dancing red herring whenever wake_affine() and pgbench appear in
> the same sentence;)

I saw the patch touched the wake_affine(), just interested on what will
happen ;-)

The patch changed the overhead of wake_affine(), and also influence it's
result, I used to think the later one may do some help to the pgbench...

Regards,
Michael Wang

>
> -Mike
>

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