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diff --git a/ruy/pmu.h b/ruy/pmu.h
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+/* Copyright 2019 Google LLC. All Rights Reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+==============================================================================*/
+
+#ifndef TENSORFLOW_LITE_EXPERIMENTAL_RUY_RUY_PMU_H_
+#define TENSORFLOW_LITE_EXPERIMENTAL_RUY_RUY_PMU_H_
+
+namespace ruy {
+
+class PmuEventsPrivate;
+
+class PmuEvents {
+ public:
+  PmuEvents();
+  ~PmuEvents();
+  void StartRecording();
+  void StopRecording();
+  float L1RefillCount() const;
+  float L2RefillCount() const;
+  float L3RefillCount() const;
+  float BranchMispredictionCount() const;
+  float FrontendStallCount() const;
+  float BackendStallCount() const;
+  float L1TLBRefillCount() const;
+  float L2TLBRefillCount() const;
+
+ private:
+  PmuEventsPrivate* priv = nullptr;
+};
+
+}  // namespace ruy
+
+#endif  // TENSORFLOW_LITE_EXPERIMENTAL_RUY_RUY_PMU_H_