On Thu, 13 Jun 2019 at 03:27, Radim Krčmář wrote:
>
> 2019-06-12 21:22+0200, Radim Krčmář:
> > 2019-06-12 08:14-0700, Sean Christopherson:
> > > On Wed, Jun 12, 2019 at 05:40:18PM +0800, Wanpeng Li wrote:
> > > > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> > > > @@ -145,6 +145,12 @@ mod
On Wed, 12 Jun 2019 at 23:14, Sean Christopherson
wrote:
>
> On Wed, Jun 12, 2019 at 05:40:18PM +0800, Wanpeng Li wrote:
> > From: Wanpeng Li
> >
> > Advance lapic timer tries to hidden the hypervisor overhead between the
> > host emulated timer fires and the guest awares the timer is fired. Howe
2019-06-12 21:22+0200, Radim Krčmář:
> 2019-06-12 08:14-0700, Sean Christopherson:
> > On Wed, Jun 12, 2019 at 05:40:18PM +0800, Wanpeng Li wrote:
> > > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> > > @@ -145,6 +145,12 @@ module_param(tsc_tolerance_ppm, uint, S_IRUGO |
> > > S_IWUSR);
>
2019-06-12 08:14-0700, Sean Christopherson:
> On Wed, Jun 12, 2019 at 05:40:18PM +0800, Wanpeng Li wrote:
> > diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> > @@ -145,6 +145,12 @@ module_param(tsc_tolerance_ppm, uint, S_IRUGO |
> > S_IWUSR);
> > static int __read_mostly lapic_timer_advanc
On Wed, Jun 12, 2019 at 05:40:18PM +0800, Wanpeng Li wrote:
> From: Wanpeng Li
>
> Advance lapic timer tries to hidden the hypervisor overhead between the
> host emulated timer fires and the guest awares the timer is fired. However,
> even though after more sustaining optimizations,
> kvm-unit-t
From: Wanpeng Li
Advance lapic timer tries to hidden the hypervisor overhead between the
host emulated timer fires and the guest awares the timer is fired. However,
even though after more sustaining optimizations,
kvm-unit-tests/tscdeadline_latency
still awares ~1000 cycles latency since we los
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