MSR_F15H_NB_PERF_CTR  472 arch/x86/include/asm/msr-index.h #define MSR_F15H_NB_PERF_CTR		0xc0010241
MSR_F15H_NB_PERF_CTR  676 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_F15H_NB_PERF_CTR		0xc0010241