interesting(?) data on network interrupt servicing

[Luigi Rizzo]

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