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Date: Sun, 15 Aug 2004 11:04:53 -0400
From: Benjamin LaHaise <bcrl@kvack.org>
To: "Lawrence E. Freil" <lef@freil.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Serious Kernel slowdown with HIMEM (4Gig) in 2.6.7
Message-ID: <20040815150453.GA1101@kvack.org>
References: <200408141643.i7EGhCV3003867@dogwood.freil.com>
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On Sat, Aug 14, 2004 at 12:43:11PM -0400, Lawrence E. Freil wrote:
> Though there is a consistant sys component that is slightly higher.  I ran
> profiles three times for "fast" and three times for "slow".  Here they are

Try cat /proc/mtrr.  I bet your system isn't marking some of its RAM 
cachable in the MTRRs.

		-ben