On 05/07/2016 20:11, Eduardo Habkost wrote: > In this case, if TSC scaling is not supported, is it preferable > to have the TSC frequency suddenly changing without the guest > being aware of it, or to run in tsc_always_catchup mode? QEMU 2.5 > did the former, QEMU 2.6 does the latter. I suspect the former is better just because we don't know the exact effect of tsc_always_catchup. Paolo -- 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