MSR_IA32_PERF_CAPABILITIES  157 arch/x86/include/asm/msr-index.h #define MSR_IA32_PERF_CAPABILITIES	0x00000345
MSR_IA32_PERF_CAPABILITIES  423 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_IA32_PERF_CAPABILITIES	0x00000345