On Tue, Aug 06, 2019 at 03:16:00PM +0800, Wei Wang wrote: > 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. > > Each guest can be configured to expose this LBR feature to the guest via > userspace setting the enabling param in KVM_CAP_X86_GUEST_LBR (patch 3). Are QEMU patches for enabling KVM_CAP_X86_GUEST_LBR being planned? -- Eduardo
