PERF_REG_RISCV_S4   28 arch/riscv/include/uapi/asm/perf_regs.h 	PERF_REG_RISCV_S4,
PERF_REG_RISCV_S4   28 tools/arch/riscv/include/uapi/asm/perf_regs.h 	PERF_REG_RISCV_S4,