Re: [PATCH v3 0/5] Guest LBR Enabling

[Wei Wang]

On 09/20/2018 07:34 PM, Gonglei (Arei) wrote:
> > -----Original Message-----
> > From: kvm-owner@xxxxxxxxxxxxxxx [mailto:kvm-owner@xxxxxxxxxxxxxxx] On
> > Behalf Of Wei Wang
> > Sent: Thursday, September 20, 2018 6:06 PM
> > To: linux-kernel@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx; pbonzini@xxxxxxxxxx;
> > ak@xxxxxxxxxxxxxxx
> > Cc: kan.liang@xxxxxxxxx; peterz@xxxxxxxxxxxxx; mingo@xxxxxxxxxx;
> > rkrcmar@xxxxxxxxxx; like.xu@xxxxxxxxx; wei.w.wang@xxxxxxxxx;
> > jannh@xxxxxxxxxx; Gonglei (Arei) <arei.gonglei@xxxxxxxxxx>
> > Subject: [PATCH v3 0/5] Guest LBR Enabling
> >
> > Last Branch Recording (LBR) is a performance monitor unit (PMU) feature
> > on Intel CPUs that captures branch related info. This patch series enables
> > this feature to KVM guests.
> >
> > Here is a conclusion of the fundamental methods that we use:
> > 1) the LBR feature is enabled per guest via QEMU setting of
> >     KVM_CAP_X86_GUEST_LBR;
> Did you send the QEMU parts for guest LBR support?

Not yet. Probably next week for the QEMU part.

Best,
Wei