Messages in this thread | | | Date | Fri, 9 Mar 2001 13:36:20 +0000 | From | Pavel Machek <> | Subject | Re: incorrect CPU usage readings in 2.2.19prex? |
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Hi!
> Is there something generally wrong with how linux determines total cpu > usage (via procmeter3 and top) when dealing with applications that are > threaded? I routinely get 0% cpu usage when playing mpegs and mp3s and > some avi's even (Divx when using no software enhancement) ... Somehow i > doubt that the decoders are so streamlined that they produce <1% cpu > usage on the computer. Does anyone know what's going on with this? > ps shows nearly 0% cpu usage in the threads as well.
CPU usage of programs that sleep after short computation is incorrectly computed
See badboy examples for code that gets 70% of cpu and is reported as getting 0%.
> i've seen it in these programs > freeamp > mplayer > > I've seen it in earlier 2.2.19 kernels but i'm using pre14 right now. > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/
-- Philips Velo 1: 1"x4"x8", 300gram, 60, 12MB, 40bogomips, linux, mutt, details at http://atrey.karlin.mff.cuni.cz/~pavel/velo/index.html.
- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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