Date: Thu, 23 Mar 2006 06:31:39 -0800 From: Luigi Rizzo <rizzo@icir.org> To: Paolo Pisati <p.pisati@oltrelinux.com> Cc: current@freebsd.org Subject: Re: interesting(?) data on network interrupt servicing Message-ID: <20060323063139.A67037@xorpc.icir.org> In-Reply-To: <20060323142518.GA1308@tin.it>; from p.pisati@oltrelinux.com on Thu, Mar 23, 2006 at 03:25:18PM %2B0100 References: <20060322122906.A41691@xorpc.icir.org> <20060323001555.GA1811@tin.it> <20060323142518.GA1308@tin.it>
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On Thu, Mar 23, 2006 at 03:25:18PM +0100, Paolo Pisati wrote: > On Thu, Mar 23, 2006 at 01:15:55AM +0100, 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 > > ok, i updated my CURRENT and rerun the tests (and while here > i disabled SMP): > > phk's optimization to cpu ticks calculation shaved 4k ticks, this makes it a very good candidate for MFC when 6.1 is out ? > but interrupt masking overhead it's still there. and this needs a bit of investigation instead... cheers luigi
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