WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

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

On Wed, Feb 27, 2008 at 05:43:39AM -0500, jim burns wrote:
> On Wednesday 27 February 2008 05:06:00 am Emre ERENOGLU wrote:
> > Yesterday, I tried to copy a file around 700 MB from Dom0 to DomU, and got
> > similar results, it was around 2 MByte/sec.
> >
> > Seemed pretty slow to me.
> 
> But at least it's not a couple of 100 kBps. Still a lot of overhead in hvm, 
> intercepting privileged instructions.
> 

These 2 MByte/sec result sounds really poor..

Xensource and VirtualIron claim "near bare metal performance" with PV
drivers (for Windows).. 

What's wrong with these drivers? 

Or is the test somehow wrong? How *exactly* do you measure the performance?
What's the *exact* setup and configuration? 

-- Pasi

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users

<Prev in Thread] Current Thread [Next in Thread>