[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] Load increase after memory upgrade (part2)

On Wed, Jan 25, 2012 at 08:06:12PM +0100, Carsten Schiers wrote:
> Some news: in order to prepare a clean setting, I upgraded to 3.2.1 kernel. I 
> noticed that the load increase is
> reduced a bit, but noticably. It's only a simple test, running the DomU for 2 
> minutes, but the idle load is aprox.
>   - 2.6.32 pvops              12-13%
>   - 3.2.1 pvops               10-11%

Yeah. I think this idue to the fix I added in xen-swiotlb to not always
do the bounce copying.

>   - 2.6.34 XenoLinux  7-8%

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.