MSR_F15H_NB_PERF_CTL  471 arch/x86/include/asm/msr-index.h #define MSR_F15H_NB_PERF_CTL		0xc0010240
MSR_F15H_NB_PERF_CTL  675 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_F15H_NB_PERF_CTL		0xc0010240