diff options
Diffstat (limited to 'tools/perf/arch/arm64/util/pmu.c')
-rw-r--r-- | tools/perf/arch/arm64/util/pmu.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/arch/arm64/util/pmu.c b/tools/perf/arch/arm64/util/pmu.c new file mode 100644 index 000000000000..2234fbd0a912 --- /dev/null +++ b/tools/perf/arch/arm64/util/pmu.c @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include "../../../util/cpumap.h" +#include "../../../util/pmu.h" + +struct pmu_events_map *pmu_events_map__find(void) +{ + struct perf_pmu *pmu = NULL; + + while ((pmu = perf_pmu__scan(pmu))) { + if (!is_pmu_core(pmu->name)) + continue; + + /* + * The cpumap should cover all CPUs. Otherwise, some CPUs may + * not support some events or have different event IDs. + */ + if (pmu->cpus->nr != cpu__max_cpu()) + return NULL; + + return perf_pmu__find_map(pmu); + } + + return NULL; +} |