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Message-ID: <20110709224803.GC9545@bombadil.infradead.org> Date: Sat, 9 Jul 2011 18:48:03 -0400 From: Kyle McMartin <kyle@...artin.ca> To: Rik van Riel <riel@...hat.com> Cc: Prarit Bhargava <prarit@...hat.com>, Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: 3.0.0-rc6 ~9X system time degradation on kernbench On Fri, Jul 08, 2011 at 08:45:51PM -0400, Rik van Riel wrote: > On 07/08/2011 03:36 PM, Prarit Bhargava wrote: > >Just some numbers out of kernbench. System Time& Context Switches > >climb dramatically between 2.6.38 and 3.0.0-rc6. Currently bisecting to > >find out why. .config is based on Fedora's x86_64 .config. > Er, if you're using Fedora's config, did you 'make release' first? grep DEBUG in the config and see why... ;-) > For the record, I am also seeing dramatically increased > CPU use with the 3.0-rc kernel, vs 2.6.38. > > I first attributed it to me upgrading my video card, but > Prarit is seeing slowdowns too, so it's not just me... > > -- > All rights reversed > -- > 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/ > -- 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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