Hi, Finally, SPR will go live in early 2023. Virtualization support for SPR PEBS (kvm.x86.vpmu.pebs_ept) has officially available in the Intel SDM (June 2022), and this patch set is validated on a late stepping machine. Let's see if this new revision will satisfy everyone's appetite. Previous: https://lore.kernel.org/kvm/20220922051929.89484-1-likexu@xxxxxxxxxxx/ V2 -> V3 Changelog: - Add more commit message about the pdit/pdir stuff; (Sean) - Refine confusing comments on event precise level and TNT+; (Sean) - Use pmc_get_pebs_precise_level() instead of need_max_precise(); (Sean) - Move HYBRID_CPU change in a separate patch; (Sean) - Land KVM changes before perf core changes; (Sean) - Aalign code indentation; (Sean) // VScode is quite good for kernel dev. Like Xu (3): KVM: x86/pmu: Disable guest PEBS on hybird cpu due to heterogeneity KVM: x86/pmu: Add PRIR++ and PDist support for SPR and later models perf/x86/intel: Expose EPT-friendly PEBS for SPR and future models arch/x86/events/intel/core.c | 1 + arch/x86/events/intel/ds.c | 4 ++- arch/x86/kvm/pmu.c | 45 ++++++++++++++++++++++++--------- arch/x86/kvm/vmx/capabilities.h | 4 ++- 4 files changed, 40 insertions(+), 14 deletions(-) -- 2.38.1
