PERF_REG_CSKY_REGS4 23 arch/csky/include/uapi/asm/perf_regs.h PERF_REG_CSKY_REGS4, PERF_REG_CSKY_REGS4 23 tools/arch/csky/include/uapi/asm/perf_regs.h PERF_REG_CSKY_REGS4,