Re: [Xen-users] Release 0.8.0 of GPL PV Drivers for Windows

[Pasi Kärkkäinen <pasik@xxxxxx>]

On Thu, Feb 28, 2008 at 02:38:59AM +0100, Emre ERENOGLU wrote:
> Jim,
> 
> you don't need to use these drivers at all. So let's be more supportive to
> James, at least he's doing whatever possible. I'm sure we'll find the reason
> of the low performance. I would also love to see some independent
> confirmation that the "proprietary solutions" work faster.
> 
> My system is fully 32-bit, 1 cpu domu. 2 cpu dom0.
> 
> James, your system being a multiprocessor domU may explain the 2 mbyte/sec I
> see and 5 mbyte/sec you see. Why is this network driver so dependent on the
> CPU?  Is it normal? I saw such behaviour in wireless drivers in the past.
> 

Is there a way to profile these drivers on windows? To see what actually
uses the CPU so much..

-- Pasi

> Emre
> 
> On Thu, Feb 28, 2008 at 2:29 AM, jim burns <jim_burn@xxxxxxxxxxxxx> wrote:
> 
> > On Wednesday 27 February 2008 08:09:56 pm James Harper wrote:
> > > Some brief testing I just did showed I was able to copy a 200MB file
> > > from a DomU (W2K3 running my PV drivers) to my xp laptop (1gb Ethernet
> > > all the way) in 42 seconds, which is about 5MB/second. CPU Load was 100%
> > > on 1 CPU.
> >
> > Just out of curiousity, is this a 64bit system? dom0 or domu?
> >

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