MSR_P4_BPU_PERFCTR1  735 arch/x86/include/asm/msr-index.h #define MSR_P4_BPU_PERFCTR1		0x00000301
MSR_P4_BPU_PERFCTR1  960 tools/testing/selftests/kvm/include/x86_64/processor.h #define MSR_P4_BPU_PERFCTR1		0x00000301