Skip site navigation (1)Skip section navigation (2)
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>

next in thread | previous in thread | raw e-mail | index | archive | help
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



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20060323063139.A67037>