// SPDX-License-Identifier: GPL-2.0// Copyright (C) 2005-2017 Andes Technology Corporation#include <stdio.h>#include <stdlib.h>#include <api/fs/fs.h>#include "header.h"#define STR_LEN 1024char*get_cpuid_str(structperf_pmu*pmu){/* In nds32, we only have one cpu */char*buf=NULL;structcpu_map*cpus;constchar*sysfs=sysfs__mountpoint();if(!sysfs||!pmu||!pmu->cpus)returnNULL;buf=malloc(STR_LEN);if(!buf)returnNULL;cpus=cpu_map__get(pmu->cpus);sprintf(buf,"0x%x",cpus->nr-1);cpu_map__put(cpus);returnbuf;}