Re: [libvirt] [PATCHv3] Add invariant TSC cpu flag

On 05/15/2014 02:31 AM, Ján Tomko wrote: > Add suport for invariant TSC flag (CPUID 0x80000007, bit 8 of EDX). > If this flag is enabled, the TSC ticks at a constant rate across > all ACPI P-, C- and T-states. > > This can be enabled by adding: > <feature name='invtsc'/> > to the <cpu> element. > > Migration and saving the domain does not work with this flag. > > QEMU support for this is not merged yet: > https://lists.gnu.org/archive/html/qemu-devel/2014-04/msg05024.html In spite of Dan's ack, let's wait until it actually lands in qemu.git before you push this.