INTEL_PERF_CTL_MASK  593 arch/x86/include/asm/msr-index.h #define INTEL_PERF_CTL_MASK		0xffff
INTEL_PERF_CTL_MASK  821 tools/testing/selftests/kvm/include/x86_64/processor.h #define INTEL_PERF_CTL_MASK		0xffff