Re: [PATCH v3 2/3] KVM: X86: Implement PV sched yield hypercall

2019-06-11 Thread Wanpeng Li
On Mon, 10 Jun 2019 at 22:17, Radim Krčmář wrote: > > 2019-05-30 09:05+0800, Wanpeng Li: > > 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% performance increasement

Re: [PATCH v3 2/3] KVM: X86: Implement PV sched yield hypercall

2019-06-10 Thread Radim Krčmář
2019-05-30 09:05+0800, Wanpeng Li: > 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% performance increasement of ebizzy benchmark can be observed in an > over-subscribe

[PATCH v3 2/3] KVM: X86: Implement PV sched yield hypercall

2019-05-29 Thread Wanpeng Li
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% performance increasement of ebizzy benchmark can be observed in an over-subscribe environment. (w/ kvm-pv-tlb disabled, testing TLB