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Message-ID: <29495f1d0602231314m6ea84f85wc2792c1b6b7c4715@mail.gmail.com>
Date: Thu, 23 Feb 2006 13:14:34 -0800
From: "Nish Aravamudan" <nish.aravamudan@gmail.com>
To: "Ingo Molnar" <mingo@elte.hu>
Subject: Re: ~5x greater CPU load for a networked application when using 2.6.15-rt15-smp vs. 2.6.12-1.1390_FC4
Cc: "Gautam H Thaker" <gthaker@atl.lmco.com>, linux-kernel@vger.kernel.org
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On 2/23/06, Ingo Molnar <mingo@elte.hu> wrote:
>
> * Nish Aravamudan <nish.aravamudan@gmail.com> wrote:
>
> > Would it make more sense to compare 2.6.15 and 2.6.15-rt17, as opposed
> > to 2.6.12-1.1390_FC4 and 2.6.15-rt17? Seems like the closer the two
> > kernels are, the easier it will be to isolate the differences.
>
> good point. I'd expect there to be similar 'top' output, but still worth
> doing for comparable results.

I'd also expect little difference (hopefully) -- although there's
always an off-chance something big changed somewhere and the problem
was fixed in mainline. Just makes the comparison clearer.

Thanks,
Nish
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