Re: [PATCH v2 2/3] KVM: X86: Implement PV sched yield hypercall

2019-05-29 Thread Wanpeng Li
On Wed, 29 May 2019 at 20:28, Liran Alon wrote: > > > > > On 28 May 2019, at 3:53, Wanpeng Li wrote: > > > > From: Wanpeng Li > > > > The target vCPUs are in runnable state after vcpu_kick and suitable > > as a yield target. This patch implements the sched yield hypercall. > > > > 17% performace

Re: [PATCH v2 2/3] KVM: X86: Implement PV sched yield hypercall

2019-05-29 Thread Liran Alon
> On 28 May 2019, at 3:53, Wanpeng Li wrote: > > From: Wanpeng Li > > The target vCPUs are in runnable state after vcpu_kick and suitable > as a yield target. This patch implements the sched yield hypercall. > > 17% performace increase of ebizzy benchmark can be observed in an > over-subs

Re: [PATCH v2 2/3] KVM: X86: Implement PV sched yield hypercall

2019-05-28 Thread Wanpeng Li
On Tue, 28 May 2019 at 17:12, Christian Borntraeger wrote: > > On 28.05.19 02:53, Wanpeng Li wrote: > > From: Wanpeng Li > > > > The target vCPUs are in runnable state after vcpu_kick and suitable > > as a yield target. This patch implements the sched yield hypercall. > > > > 17% performace incre

Re: [PATCH v2 2/3] KVM: X86: Implement PV sched yield hypercall

2019-05-28 Thread Christian Borntraeger
On 28.05.19 02:53, Wanpeng Li wrote: > From: Wanpeng Li > > The target vCPUs are in runnable state after vcpu_kick and suitable > as a yield target. This patch implements the sched yield hypercall. > > 17% performace increase of ebizzy benchmark can be observed in an > over-subscribe environme