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

From: Andi Kleen <[email-masked]>
Date: Tue, 12 Aug 2008 09:11:08 +0200

Christoph Lameter <[email-masked]> writes:

> Maybe what we are seeing is general bloat in kernel execution paths
> due to the growth in complexity?

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