1 // SPDX-License-Identifier: GPL-2.0 2 3 #include "../../../util/cpumap.h" 4 #include "../../../util/pmu.h" 5 6 struct pmu_events_map *pmu_events_map__find(void) 7 { 8 struct perf_pmu *pmu = NULL; 9 10 while ((pmu = perf_pmu__scan(pmu))) { 11 if (!is_pmu_core(pmu->name)) 12 continue; 13 14 /* 15 * The cpumap should cover all CPUs. Otherwise, some CPUs may 16 * not support some events or have different event IDs. 17 */ 18 if (pmu->cpus->nr != cpu__max_cpu()) 19 return NULL; 20 21 return perf_pmu__find_map(pmu); 22 } 23 24 return NULL; 25 } 26