Re: BFS vs. mainline scheduler benchmarks and measurements

From: Arjan van de Ven
Date: Tue Sep 08 2009 - 04:34:50 EST


On Tue, 08 Sep 2009 10:19:06 +0300
Nikos Chantziaras <realnc@xxxxxxxx> 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...


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Arjan van de Ven Intel Open Source Technology Centre
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