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Message-ID: <20090908013800.296a5fb5@infradead.org> Date: Tue, 8 Sep 2009 01:38:00 -0700 From: Arjan van de Ven <arjan@...radead.org> To: Nikos Chantziaras <realnc@...or.de> Cc: linux-kernel@...r.kernel.org Subject: Re: BFS vs. mainline scheduler benchmarks and measurements On Tue, 08 Sep 2009 10:19:06 +0300 Nikos Chantziaras <realnc@...or.de> wrote: > latencytop has this to say: > > http://foss.math.aegean.gr/~realnc/pics/latop1.png > > Though I don't really understand what this tool is trying to tell me, > I hope someone does. despite the untranslated content, it is clear that you have scheduler delays (either due to scheduler bugs or cpu contention) of upto 68 msecs... Second in line is your binary AMD graphics driver that is chewing up 14% of your total latency... -- Arjan van de Ven Intel Open Source Technology Centre For development, discussion and tips for power savings, visit http://www.lesswatts.org -- 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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