On Thu, Jan 28, 2016 at 03:50:30PM +0100, Paolo Bonzini wrote: > Still, the drift that I get on my machine is really excessive, and I > should look into it more. Marcelo, does it ring a bell? Any reason why > get_kernel_ns() would be more precise than kvmclock? The computer has > been up only for about 25 hours. Are you running an ntp client on the host by chance? get_kernel_ns() goes through timekeeper, and it may have slightly different idea of the tsc rate than tsc_khz calculated early at boot. I can't run a test myself ATM, but I'd try to with ntp disabled and see if makes a difference. 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
