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xen-devel
Re: [Xen-devel] xen tsc problems?
On 13/07/2010 18:39, "Stefano Stabellini" <Stefano.Stabellini@xxxxxxxxxxxxx>
wrote:
> I started to wonder why the guest is seeing such a big tsc warp when xen
> is seeing 0, so I added more tracing and eventually I found out that the
> value of v->arch.hvm_vcpu.stime_offset is significantly different
> between the two vcpus and the difference increases after the scaling.
> Then I added timer_mode=1 to my vm config file and the problem went
> away.
> I think that delay_for_missed_ticks shouldn't cause tsc scew in
> the guest.
Well, timer_mode=1 is the default and I doubt in all seriousness that the
other modes get any use or testing.
-- Keir
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