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Re: tbench regression on each kernel release from 2.6.22 -> 2.6.28

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From: Andi Kleen
Subject: Re: tbench regression on each kernel release from 2.6.22 -> 2.6.28
Date: Tuesday, August 12, 2008 - 12:11 am

Christoph Lameter <cl@linux-foundation.org> writes:


Wouldn't surprise me. Have you considered doing profiles? 

e.g. just oprofiling the benchmark on the different kernels and see
if there's some obvious difference in the CPU consumers? 

-Andi
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Messages in current thread:
tbench regression on each kernel release from 2.6.22 -&gt; 2 ..., Christoph Lameter, (Mon Aug 11, 11:36 am)
Re: tbench regression on each kernel release from 2.6.22 ..., Kok, Auke, (Mon Aug 11, 11:50 am)
Re: tbench regression on each kernel release from 2.6.22 ..., Christoph Lameter, (Mon Aug 11, 11:56 am)
Re: tbench regression on each kernel release from 2.6.22 - ..., David Miller, (Mon Aug 11, 2:15 pm)
Re: tbench regression on each kernel release from 2.6.22 - ..., Christoph Lameter, (Mon Aug 11, 2:33 pm)
Re: tbench regression on each kernel release from 2.6.22 - ..., David Miller, (Mon Aug 11, 2:50 pm)
Re: tbench regression on each kernel release from 2.6.22 - ..., Kok, Auke, (Mon Aug 11, 2:56 pm)
Re: tbench regression on each kernel release from 2.6.22 - ..., Rick Jones, (Mon Aug 11, 3:11 pm)
Re: tbench regression on each kernel release from 2.6.22 - ..., Andi Kleen, (Tue Aug 12, 12:11 am)
Re: tbench regression on each kernel release from 2.6.22 - ..., Ilpo Järvinen, (Tue Aug 12, 1:13 am)
Re: tbench regression on each kernel release from 2.6.22 - ..., Christoph Lameter, (Tue Aug 12, 11:57 am)
Re: tbench regression on each kernel release from 2.6.22 ..., Zhang, Yanmin, (Sun Aug 17, 6:48 pm)
Re: tbench regression on each kernel release from 2.6.22 - ..., Zhang, Yanmin, (Sun Aug 17, 7:05 pm)
Re: tbench regression on each kernel release from 2.6.22 - ..., Ilpo Järvinen, (Mon Aug 18, 12:53 am)
Re: tbench regression on each kernel release from 2.6.22 - ..., Christoph Lameter, (Mon Aug 18, 7:07 am)
Re: tbench regression on each kernel release from 2.6.22 - ..., Ray Lee, (Mon Aug 18, 7:31 am)
Re: tbench regression on each kernel release from 2.6.22 - ..., Christoph Lameter, (Mon Aug 18, 7:34 am)
Re: tbench regression on each kernel release from 2.6.22 - ..., Zhang, Yanmin, (Mon Aug 18, 5:56 pm)
Re: tbench regression on each kernel release from 2.6.22 - ..., Zhang, Yanmin, (Mon Aug 18, 6:01 pm)