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Re: Xen I/O performance

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.           
     NetBSD: 26 ans d'experience feront toujours la difference

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