[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Poor performance on HVM (kernbench)
On Wed, Sep 10, 2008 at 02:23:17PM -0400, Todd Deshane wrote: > Hi All, > > We are continuing our Xen vs. KVM benchmarking that I presented at Xen summit. > > This time, we are focusing on newer versions and also planning to > include Xen HVM > and KVM with PV drivers results. As well as adding some more tests. > > I have setup Xen 3.3 from source, and am using Linux 2.6.27-rc4 for > all the guests. > > Below are some raw kernbench results, which clearly show that I have a problem > with Xen HVM. It may just be a configuration issue, but we have tried > all that we could think of so far (i.e file:, instead of tap:aio). You could also try "phy:" and use raw devices or LVM volumes.. I think this should be the best performing method? Then again I'm pretty sure changing that doesn't explain/change your (bad) HVM results.. -- Pasi _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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