perf_cpu_map__min
LIBPERF_API struct perf_cpu perf_cpu_map__min(const struct perf_cpu_map *map);
struct perf_cpu cpu = perf_cpu_map__min(evlist->core.all_cpus);
id = perf_cpu_map__min(cpu_map).cpu;
cpu = perf_cpu_map__min(pmu->cpus);
struct perf_cpu cpu = perf_cpu_map__min(evlist->core.all_cpus);