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Diffstat (limited to 'tools/perf/arch/arm64/util/pmu.c')
-rw-r--r--tools/perf/arch/arm64/util/pmu.c25
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;
+}