LXR linux/tools/perf/arch/arm64/util/pmu.c

   1// SPDX-License-Identifier: GPL-2.0
   2
   3#include "../../../util/cpumap.h"
   4#include "../../../util/pmu.h"
   5
   6struct 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