RE: kernel performance update - 2.6.14

From: Chen, Kenneth W
Date: Fri Oct 28 2005 - 19:29:47 EST


Felix Oxley wrote on Friday, October 28, 2005 5:19 PM
> Chen, Kenneth W wrote:
> > Kernel performance data for 2.6.14 (released yesterday) is updated at:
> > http://kernel-perf.sourceforge.net
> >
> > As expected, results are within run variation compares to 2.6.14-rc5.
> > No significant deviation found compare to 2.6.14-rc5
> >
>
> There seems to be some regression here:
>
> System: 4P Xeon
> Test:Result Group 8
> Metric: 64KB_4_fread
> Result: +1.9% -15%
> Kernel: 2.6.14-rc4 vs 2.6.14-rc4-git4
>
> System: 2P Xeon
> Test:Result Group 7
> Metric: ODIRECT
> Kernel: 2.6.14-rc5 vs 2.6.14-rc5-git3
> Summary: Write has increased whereas Read has decreased by 4-5 %
>
> Any thoughts?

Not on top of my head at the moment. These are iozone workload, we
will investigate these.

- Ken

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