PERF_REG_X86_XMM2   37 arch/x86/include/uapi/asm/perf_regs.h 	PERF_REG_X86_XMM2  = 36,
PERF_REG_X86_XMM2   37 tools/arch/x86/include/uapi/asm/perf_regs.h 	PERF_REG_X86_XMM2  = 36,