PERF_REG_X86_XMM6 41 arch/x86/include/uapi/asm/perf_regs.h PERF_REG_X86_XMM6 = 44, PERF_REG_X86_XMM6 41 tools/arch/x86/include/uapi/asm/perf_regs.h PERF_REG_X86_XMM6 = 44,