PERF_REG_RISCV_A4   22 arch/riscv/include/uapi/asm/perf_regs.h 	PERF_REG_RISCV_A4,
PERF_REG_RISCV_A4   22 tools/arch/riscv/include/uapi/asm/perf_regs.h 	PERF_REG_RISCV_A4,