PERF_REG_X86_XMM12 47 arch/x86/include/uapi/asm/perf_regs.h PERF_REG_X86_XMM12 = 56, PERF_REG_X86_XMM12 47 tools/arch/x86/include/uapi/asm/perf_regs.h PERF_REG_X86_XMM12 = 56,