Did you consider nested virtualization? L1 hypervisor may have a different tsc scaling and L2 guest again may have a different tsc scale ratio.
Christoph On 2015/12/06 22:14, Haozhong Zhang wrote: > I have tested this patchset on both Intel and AMD systems. > > For the test on AMD systems, I made two rounds of tests. The first > round only applied bug-fix patches 1-6. The second round applied the > entire series. In both rounds, I used the test process at > http://lists.xenproject.org/archives/html/xen-devel/2015-11/msg02590.html > except that patch 13 there was replace by the patch in the attachment. > In both rounds, I got the expect results. > > Tested-by: Haozhong Zhang <haozhong.zh...@intel.com> > > Haozhong > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xen.org > http://lists.xen.org/xen-devel Amazon Development Center Germany GmbH Krausenstr. 38 10117 Berlin Geschaeftsfuehrer: Dr. Ralf Herbrich, Christian Schlaeger Ust-ID: DE289237879 Eingetragen am Amtsgericht Charlottenburg HRB 149173 B _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
