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Date: Tue, 10 Jul 2007 10:37:22 -0700
From: Martin Bligh <mbligh@mbligh.org>
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Cc: Ingo Molnar <mingo@elte.hu>
Subject: Performance regression in 2.6.22-git1 (new sched code?)
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~ 1% on 4-way x86_64

http://test.kernel.org/perf/kernbench.elm3b6.png

~ 4% on 16-way NUMA-Q (i386)

http://test.kernel.org/perf/kernbench.moe.png

~ 1.5% on 4-way i386

http://test.kernel.org/perf/kernbench.elm3b132.png

There's readprofiles and stuff available from here:
http://test.kernel.org/functional/index.html
if you drill down under the tests marked "regression", eg.
http://test.kernel.org/abat/98796/002.kernbench.test/profiling/profile.text

M.