Date: Wed, 22 Mar 2006 18:16:03 -0800 From: Julian Elischer <julian@elischer.org> To: Paolo Pisati <p.pisati@oltrelinux.com> Cc: Luigi Rizzo <rizzo@icir.org>, current@freebsd.org Subject: Re: interesting(?) data on network interrupt servicing Message-ID: <442204E3.6090305@elischer.org> In-Reply-To: <20060323001555.GA1811@tin.it> References: <20060322122906.A41691@xorpc.icir.org> <20060323001555.GA1811@tin.it>
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Paolo Pisati wrote: >On Wed, Mar 22, 2006 at 12:29:06PM -0800, Luigi Rizzo wrote: > > >>Paolo should follow up in the next days with graphs and more data. >> >> > >Here are graphs and data: > >http://mercurio.sm.dsi.unimi.it/~pisati/ > >and here is a tarball with all images, data and patches: > >http://mercurio.sm.dsi.unimi.it/~pisati/interrupt.tgz > > > Interesting that the timespent actually in the driver is similar. jus that there is a constant extra 10000 units of overhead for every interrupt at the lower levels before it gets to the driver..
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