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Message-ID: <20100426214534.GA5346@comet.dominikbrodowski.net> Date: Mon, 26 Apr 2010 23:45:34 +0200 From: Dominik Brodowski <linux@...inikbrodowski.net> To: Dave Jones <davej@...hat.com>, Arjan van de Ven <arjan@...radead.org>, linux-kernel@...r.kernel.org, akpm@...ux-foundation.org, mingo@...e.hu, peterz@...radead.org, tglx@...utronix.de, cpufreq@...r.kernel.org Subject: Re: [PATCH 0/7] Fix performance issue with ondemand governor On Mon, Apr 26, 2010 at 05:41:56PM -0400, Dave Jones wrote: > On Sun, Apr 18, 2010 at 11:59:49AM -0700, Arjan van de Ven wrote: > > There have been various reports of the ondemand governor causing some > > serious performance issues, one of the latest ones from Andrew. > > There are several fundamental issues with ondemand (being worked on), > > but the report from Andrew can be fixed relatively easily. > > > > The fundamental issue is that ondemand will go to a (too) low CPU > > frequency for workloads that alternatingly disk and CPU bound... > > given the scheduler changes, these probably make more sense to go > via one of Ingo's trees ? > If everyone agrees, feel free to add my Signed-off-by: What about the issue Pavel reported and Willy confirmed (regression on older hardware)? Best, Dominik -- 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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