Re: [RFC] KVM / QEMU: Introduce Interface for Querying APICv Info

2022-05-19 Thread Suravee Suthikulpanit
On 5/20/22 12:26 PM, Chao Gao wrote: On Fri, May 20, 2022 at 10:30:40AM +0700, Suthikulpanit, Suravee wrote: Hi All, Currently, we don't have a good way to check whether APICV is active on a VM. Normally, For AMD SVM AVIC, users either have to check for trace point, or using "perf kvm stat

Re: [RFC] KVM / QEMU: Introduce Interface for Querying APICv Info

2022-05-19 Thread Chao Gao
On Fri, May 20, 2022 at 10:30:40AM +0700, Suthikulpanit, Suravee wrote: >Hi All, > >Currently, we don't have a good way to check whether APICV is active on a VM. >Normally, For AMD SVM AVIC, users either have to check for trace point, or >using >"perf kvm stat live" to catch AVIC-related #VMEXIT.

[RFC] KVM / QEMU: Introduce Interface for Querying APICv Info

2022-05-19 Thread Suthikulpanit, Suravee
Hi All, Currently, we don't have a good way to check whether APICV is active on a VM. Normally, For AMD SVM AVIC, users either have to check for trace point, or using "perf kvm stat live" to catch AVIC-related #VMEXIT. For KVM, I would like to propose introducing a new IOCTL interface (i.e.