MSR_P4_MS_PERFCTR3  741 arch/x86/include/asm/msr-index.h #define MSR_P4_MS_PERFCTR3		0x00000307
MSR_P4_MS_PERFCTR3  966 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_P4_MS_PERFCTR3		0x00000307