Date: Thu, 23 Mar 2006 07:42:16 -0700 From: Scott Long <scottl@samsco.org> To: Luigi Rizzo <rizzo@icir.org> Cc: current@freebsd.org Subject: Re: interesting(?) data on network interrupt servicing Message-ID: <4422B3C8.3080303@samsco.org> In-Reply-To: <20060323063139.A67037@xorpc.icir.org> References: <20060322122906.A41691@xorpc.icir.org> <20060323001555.GA1811@tin.it> <20060323142518.GA1308@tin.it> <20060323063139.A67037@xorpc.icir.org>
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Luigi Rizzo wrote: > 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... > I haven't been paying close enough attention, have all of the calcru problems and other side effects been fixed from phk's work? Scott
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