1 files changed, 49 insertions, 0 deletions
diff --git a/tools/perf/pmu-events/arm64_metrics.py b/tools/perf/pmu-events/arm64_metrics.py
new file mode 100755
index 000000000000..4ecda96d11fa
--- /dev/null
+++ b/tools/perf/pmu-events/arm64_metrics.py
@@ -0,0 +1,49 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
+import argparse
+import os
+from metric import (JsonEncodeMetric, JsonEncodeMetricGroupDescriptions, LoadEvents,
+                    MetricGroup)
+from common_metrics import Cycles
+
+# Global command line arguments.
+_args = None
+
+
+def main() -> None:
+    global _args
+
+    def dir_path(path: str) -> str:
+        """Validate path is a directory for argparse."""
+        if os.path.isdir(path):
+            return path
+        raise argparse.ArgumentTypeError(
+            f'\'{path}\' is not a valid directory')
+
+    parser = argparse.ArgumentParser(description="ARM perf json generator")
+    parser.add_argument(
+        "-metricgroups", help="Generate metricgroups data", action='store_true')
+    parser.add_argument("vendor", help="e.g. arm")
+    parser.add_argument("model", help="e.g. neoverse-n1")
+    parser.add_argument(
+        'events_path',
+        type=dir_path,
+        help='Root of tree containing architecture directories containing json files'
+    )
+    _args = parser.parse_args()
+
+    directory = f"{_args.events_path}/arm64/{_args.vendor}/{_args.model}/"
+    LoadEvents(directory)
+
+    all_metrics = MetricGroup("", [
+        Cycles(),
+    ])
+
+    if _args.metricgroups:
+        print(JsonEncodeMetricGroupDescriptions(all_metrics))
+    else:
+        print(JsonEncodeMetric(all_metrics))
+
+
+if __name__ == '__main__':
+    main()