PERF_REG_CSKY_EXREGS4 34 arch/csky/include/uapi/asm/perf_regs.h PERF_REG_CSKY_EXREGS4, PERF_REG_CSKY_EXREGS4 34 tools/arch/csky/include/uapi/asm/perf_regs.h PERF_REG_CSKY_EXREGS4,