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diff --git a/include/ui/FrameStats.h b/include/ui/FrameStats.h
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+++ b/include/ui/FrameStats.h
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+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * 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 ANDROID_UI_FRAME_STATS_H
+#define ANDROID_UI_FRAME_STATS_H
+
+#include <utils/Flattenable.h>
+#include <utils/Timers.h>
+#include <utils/Vector.h>
+
+namespace android {
+
+class FrameStats : public LightFlattenable<FrameStats> {
+public:
+
+    /*
+     * Approximate refresh time, in nanoseconds.
+     */
+    nsecs_t refreshPeriodNano;
+
+   /*
+    * The times in nanoseconds for when the frame contents were posted by the producer (e.g.
+    * the application). They are either explicitly set or defaulted to the time when
+    * Surface::queueBuffer() was called.
+    */
+    Vector<nsecs_t> desiredPresentTimesNano;
+
+   /*
+    * The times in milliseconds for when the frame contents were presented on the screen.
+    */
+    Vector<nsecs_t> actualPresentTimesNano;
+
+   /*
+    * The times in nanoseconds for when the frame contents were ready to be presented. Note that
+    * a frame can be posted and still it contents being rendered asynchronously in GL. In such a
+    * case these are the times when the frame contents were completely rendered (i.e. their fences
+    * signaled).
+    */
+    Vector<nsecs_t> frameReadyTimesNano;
+
+    // LightFlattenable
+    bool isFixedSize() const;
+    size_t getFlattenedSize() const;
+    status_t flatten(void* buffer, size_t size) const;
+    status_t unflatten(void const* buffer, size_t size);
+};
+
+}; // namespace android
+
+#endif // ANDROID_UI_FRAME_STATS_H