PERF_REG_ARM64_X8   37 tools/perf/arch/arm64/include/perf_regs.h 	case PERF_REG_ARM64_X8:
PERF_REG_ARM64_X8   31 tools/perf/arch/arm64/util/unwind-libunwind.c 		return PERF_REG_ARM64_X8;