PERF_REG_X86_DX     9 arch/x86/include/uapi/asm/perf_regs.h 	PERF_REG_X86_DX,
PERF_REG_X86_DX     9 tools/arch/x86/include/uapi/asm/perf_regs.h 	PERF_REG_X86_DX,