On 14/12/2015 23:31, Andy Lutomirski wrote: > > RAW TSC NTP corrected TSC > > t0 10 10 > > t1 20 19.99 > > t2 30 29.98 > > t3 40 39.97 > > t4 50 49.96 > > > > ... > > > > if you suddenly switch from RAW TSC to NTP corrected TSC, > > you can see what will happen. > > Sure, but why would you ever switch from one to the other? The guest uses the raw TSC and systemtime = 0 until suspend. After resume, the TSC certainly increases at the same rate as before, but the raw TSC restarted counting from 0 and systemtime has increased slower than the guest kvmclock. Paolo > The only things that need to be monotonic are the output from > vread_pvclock and the in-kernel equivalent, I think. -- 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
