1 files changed, 0 insertions, 87 deletions
diff --git a/services/inputflinger/dispatcher/LatencyTracker.h b/services/inputflinger/dispatcher/LatencyTracker.h
deleted file mode 100644
index 289b8ed6c4..0000000000
--- a/services/inputflinger/dispatcher/LatencyTracker.h
+++ /dev/null
@@ -1,87 +0,0 @@
-/*
- * Copyright (C) 2021 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 _UI_INPUT_INPUTDISPATCHER_LATENCYTRACKER_H
-#define _UI_INPUT_INPUTDISPATCHER_LATENCYTRACKER_H
-
-#include <map>
-#include <unordered_map>
-
-#include <binder/IBinder.h>
-#include <input/Input.h>
-
-#include "InputEventTimeline.h"
-
-namespace android::inputdispatcher {
-
-/**
- * Maintain a record for input events that are received by InputDispatcher, sent out to the apps,
- * and processed by the apps. Once an event becomes "mature" (older than the ANR timeout), report
- * the entire input event latency history to the reporting function.
- *
- * All calls to LatencyTracker should come from the same thread. It is not thread-safe.
- */
-class LatencyTracker {
-public:
-    /**
-     * Create a LatencyTracker.
-     * param reportingFunction: the function that will be called in order to report full latency.
-     */
-    LatencyTracker(InputEventTimelineProcessor* processor);
-    /**
-     * Start keeping track of an event identified by inputEventId. This must be called first.
-     */
-    void trackListener(int32_t inputEventId, bool isDown, nsecs_t eventTime, nsecs_t readTime);
-    void trackFinishedEvent(int32_t inputEventId, const sp<IBinder>& connectionToken,
-                            nsecs_t deliveryTime, nsecs_t consumeTime, nsecs_t finishTime);
-    void trackGraphicsLatency(int32_t inputEventId, const sp<IBinder>& connectionToken,
-                              std::array<nsecs_t, GraphicsTimeline::SIZE> timeline);
-
-    /**
-     * Report all collected events immediately, even if some of them are currently incomplete
-     * and may receive 'trackFinishedEvent' or 'trackGraphicsLatency' calls in the future.
-     * This is useful for tests. Otherwise, tests would have to inject additional "future" events,
-     * which is not convenient.
-     */
-    void reportNow();
-
-    std::string dump(const char* prefix);
-
-private:
-    /**
-     * A collection of InputEventTimelines keyed by inputEventId. An InputEventTimeline is first
-     * created when 'trackListener' is called.
-     * When either 'trackFinishedEvent' or 'trackGraphicsLatency' is called for this input event,
-     * the corresponding InputEventTimeline will be updated for that token.
-     */
-    std::unordered_map<int32_t /*inputEventId*/, InputEventTimeline> mTimelines;
-    /**
-     * The collection of eventTimes will help us quickly find the events that we should prune
-     * from the 'mTimelines'. Since 'mTimelines' is keyed by inputEventId, it would be inefficient
-     * to walk through it directly to find the oldest input events to get rid of.
-     * There is a 1:1 mapping between 'mTimelines' and 'mEventTimes'.
-     * We are using 'multimap' instead of 'map' because there could be more than 1 event with the
-     * same eventTime.
-     */
-    std::multimap<nsecs_t /*eventTime*/, int32_t /*inputEventId*/> mEventTimes;
-
-    InputEventTimelineProcessor* mTimelineProcessor;
-    void reportAndPruneMatureRecords(nsecs_t newEventTime);
-};
-
-} // namespace android::inputdispatcher
-
-#endif // _UI_INPUT_INPUTDISPATCHER_LATENCYTRACKER_H