On Friday, January 31, 2020 4:14 AM, Eduardo Habkost wrote: > 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? > Yes, we have a couple of qemu patches. That's planned to be reviewed after the kernel part gets finalized 😊 Best, Wei
