Re: [Xen-devel] [PATCH 1/3] xen-netback: remove page tracking facility

[Wei Liu <wei.liu2@xxxxxxxxxx>]

On Tue, May 28, 2013 at 06:43:47PM -0700, Matt Wilson wrote:
> On Tue, May 28, 2013 at 10:21:32AM +0100, David Vrabel wrote:
> > On 27/05/13 12:29, Wei Liu wrote:
> 
> [...]
> 
> > > Simple iperf test shows no performance regression (obviously we do two
> > > copy's anyway):
> > > 
> > >   W/  tracking: ~5.3Gb/s
> > >   W/o tracking: ~5.4Gb/s
> > > 
> > > Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>
> > > ---
> > >  drivers/net/xen-netback/netback.c |   77 
> > > +------------------------------------
> > >  1 file changed, 2 insertions(+), 75 deletions(-)
> > 
> > Nice! This is the sort of patch I like.
> 
> Me too. :-) Was there any change in CPU utilization?
> 

Didn't measure. But there should not be any change with this patch AFAICT.


Wei.

> --msw

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