kvm_perf_init     323 arch/arm/include/asm/kvm_host.h int kvm_perf_init(void);
kvm_perf_init     480 arch/arm64/include/asm/kvm_host.h int kvm_perf_init(void);
kvm_perf_init    1507 virt/kvm/arm/arm.c 	kvm_perf_init();