On Thu, Jan 28, 2016 at 03:04:58PM +0100, Paolo Bonzini wrote: > The test checks the relative precision of the reference TSC page > and the time reference counter. > > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > --- > Andrey, the test has a relative error of approximately 3 parts > per million on my machine. In other words it drifts by 3 > microseconds every second, which I don't think is acceptable. > The problem is that virtual_tsc_khz is 2593993 while the actual > frequency is more like 2594001 kHz. Hmm, how come? I thought virtual_tsc_khz could only diverge from tsc_khz on migration. [Or maybe I just misunderstand what you mean by "the actual frequency".] Roman. -- 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
