MSR_P4_MS_PERFCTR0  738 arch/x86/include/asm/msr-index.h #define MSR_P4_MS_PERFCTR0		0x00000304
MSR_P4_MS_PERFCTR0  963 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_P4_MS_PERFCTR0		0x00000304