Re: [Pkg-xen-devel] oldschool xen kernel on sid

[Thomas Goirand <thomas@goirand.fr>]

Ian Campbell wrote:
> On Tue, 2009-11-03 at 19:41 +0800, Thomas Goirand wrote:
>> Bastian Blank wrote:
>>>> Yes. http://hermes.jura.uni-tuebingen.de/~blank/debian/xen-test.
>> I used to run the 2.6.26-2-xen-amd64 dom0, and it was quite fast. Since
>> I am using that new version, I really have the bad feeling that my
>> computer is A LOT slower than before. It used to be nearly as fast as
>> the non-xen kernel. Any idea what's happening here?
> 
> Did you compare 2.6.31-native to 2.6.31-xen or just 2.6.26-{native,xen}
> to 2.6.31-xen. IOW have you really narrowed it down to the Xen bits
> rather than a more generic slow down?

I'm comparing 2.6.31-xen to 2.6.26-2-xen, and I have the feeling that
2.6.31 is a lot slower.

> If you can provide data or measurements to support your feeling then I'm
> sure upstream would be interested to hear about it.

What should I use? Unix bench for example?

Thomas