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Date: Wed, 9 Sep 2009 17:52:23 +0200 From: Ingo Molnar <mingo@...e.hu> To: Serge Belyshev <belyshev@...ni.sinp.msu.ru> Cc: Con Kolivas <kernel@...ivas.org>, linux-kernel@...r.kernel.org, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Mike Galbraith <efault@....de> Subject: Re: Epic regression in throughput since v2.6.23 * Serge Belyshev <belyshev@...ni.sinp.msu.ru> wrote: > Serge Belyshev <belyshev@...ni.sinp.msu.ru> writes: > >[snip] > > I've updated the graphs, added kernels 2.6.24..2.6.29: > http://img186.imageshack.us/img186/7029/epicmakej4.png > > And added comparison with best-performing 2.6.23 kernel: > http://img34.imageshack.us/img34/7563/epicbfstips.png Thanks! I think we found the reason for that regression - would you mind to re-test with latest -tip, e157986 or later? If that works for you i'll describe our theory. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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