Zhang, Yanmin wrote:
> volanoMark has 45% regression with kernel 2.6.25-rc1 on my both 8-core
> stoakley and 16-core Tigerton.
>
> I used bisect to locate below patch.
>
> commit 58e2d4ca581167c2a079f4ee02be2f0bc52e8729
> Author: Srivatsa Vaddagiri <[EMAIL PROTECTED]>
> Date: Fri Jan 25 21:08:00 2008 +0100
>
> sched: group scheduling, change how cpu load is calculated
>
>
>
> hackbench has about 30% regression on 16-core tigerton, but has about 10%
> improvement
> on 8-core stoakley.
>
> In addition, tbench has about 6% regression on my 8-core stoakley and
> 25% regression on 16-core stoakley. Some other benchmarks, like netperf/aim7
> also have some regression. I will verify if they are all related to the
> patch.
>
> -yanmin
Hi, Yamin,
Thanks for reporting the issue? Any chance we could getthe Oprofile output for
the run? The exact commandline and .config being used would also help.
--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
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