Re: Xen I/O performance

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Mon, May 19, 2008 at 11:34:37PM +0200, Christoph Egger wrote:
> >I'm impressed. The Xen kernel did much better than I expected.
> >Congratulations to Manuel for with excellent work.
> 
> There's potential for even better results.
> When libc uses "call" instead of "syscall" when running in a Xen 
> environment (Dom0 or DomU), then there's some speedup because
> that would save the intervention of the hypervisor.

But then your binaries are not compatible with a native kernel ...

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           
Manuel.Bouyer%lip6.fr@localhost
     NetBSD: 26 ans d'experience feront toujours la difference
--