On Wed, Feb 4, 2015 at 3:06 AM, Nerijus Baliunas <nerijus@xxxxxxxxxxxxxxxxxxxxx> wrote: > On Tue, 3 Feb 2015 18:07:57 +0400 Andrey Korolyov <andrey@xxxxxxx> wrote: > >> Have you tried to disable turbo mode (assuming you have new enough CPU >> model) and fix frequency via frequency governor` settings? If it >> helps, it can be an ugly hack with pre-up/post-up libvirt actions, >> though you`d probably want to keep frequency the same to maximize >> performance. > > I tried to alter frequency governor settings, but unsuccessfully. > They seem to change but then revert back in some short time. > CentOS 7, Intel(R) Xeon(R) CPU E5-2420 v2 @ 2.20GHz. > I remember that the floating frequency was resulted in incorrect guest CPU information, so may be it is an exact solution for your situation. Those frequency values could be altered by running service, unfortunately I have a not enough knowledge about Centos7 packages to name it. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
