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Yiwei Zhang0102ad22018-05-02 17:37:17 -07001/*
2 * Copyright 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#pragma once
18
19#include <timestatsproto/TimeStatsHelper.h>
20#include <timestatsproto/TimeStatsProtoHeader.h>
21
Yiwei Zhang3a226d22018-10-16 09:23:03 -070022#include <hardware/hwcomposer_defs.h>
23
Yiwei Zhang0102ad22018-05-02 17:37:17 -070024#include <ui/FenceTime.h>
25
26#include <utils/String16.h>
27#include <utils/String8.h>
28#include <utils/Vector.h>
29
Yiwei Zhangc5f2c452018-05-08 16:31:56 -070030#include <deque>
Yiwei Zhang0102ad22018-05-02 17:37:17 -070031#include <mutex>
Yiwei Zhang8a4015c2018-05-08 16:03:47 -070032#include <optional>
Yiwei Zhang0102ad22018-05-02 17:37:17 -070033#include <unordered_map>
Yiwei Zhang0102ad22018-05-02 17:37:17 -070034
35using namespace android::surfaceflinger;
36
37namespace android {
38class String8;
39
40class TimeStats {
Yiwei Zhangcf50ab92018-06-14 10:50:12 -070041 struct FrameTime {
Yiwei Zhang0102ad22018-05-02 17:37:17 -070042 uint64_t frameNumber = 0;
43 nsecs_t postTime = 0;
44 nsecs_t latchTime = 0;
45 nsecs_t acquireTime = 0;
46 nsecs_t desiredTime = 0;
47 nsecs_t presentTime = 0;
Yiwei Zhangcf50ab92018-06-14 10:50:12 -070048 };
49
50 struct TimeRecord {
51 bool ready = false;
52 FrameTime frameTime;
Yiwei Zhang0102ad22018-05-02 17:37:17 -070053 std::shared_ptr<FenceTime> acquireFence;
54 std::shared_ptr<FenceTime> presentFence;
55 };
56
57 struct LayerRecord {
Yiwei Zhang9689e2f2018-05-11 12:33:23 -070058 std::string layerName;
Yiwei Zhang0102ad22018-05-02 17:37:17 -070059 // This is the index in timeRecords, at which the timestamps for that
60 // specific frame are still not fully received. This is not waiting for
61 // fences to signal, but rather waiting to receive those fences/timestamps.
62 int32_t waitData = -1;
Yiwei Zhangeaeea062018-06-28 14:46:51 -070063 uint32_t droppedFrames = 0;
Yiwei Zhang0102ad22018-05-02 17:37:17 -070064 TimeRecord prevTimeRecord;
Yiwei Zhangc5f2c452018-05-08 16:31:56 -070065 std::deque<TimeRecord> timeRecords;
Yiwei Zhang0102ad22018-05-02 17:37:17 -070066 };
67
Yiwei Zhang3a226d22018-10-16 09:23:03 -070068 struct PowerTime {
69 int32_t powerMode = HWC_POWER_MODE_OFF;
70 nsecs_t prevTime = 0;
71 };
72
Yiwei Zhangce6ebc02018-10-20 12:42:38 -070073 struct GlobalRecord {
74 nsecs_t prevPresentTime = 0;
75 std::deque<std::shared_ptr<FenceTime>> presentFences;
76 };
77
Yiwei Zhang0102ad22018-05-02 17:37:17 -070078public:
Yiwei Zhang7e666a52018-11-15 13:33:42 -080079 TimeStats() = default;
80 ~TimeStats() = default;
81
Yiwei Zhang0102ad22018-05-02 17:37:17 -070082 void parseArgs(bool asProto, const Vector<String16>& args, size_t& index, String8& result);
Yiwei Zhangaf8ee942018-11-22 00:15:23 -080083 bool isEnabled();
Yiwei Zhang7e666a52018-11-15 13:33:42 -080084
Yiwei Zhang0102ad22018-05-02 17:37:17 -070085 void incrementTotalFrames();
Yiwei Zhang621f9d42018-05-07 10:40:55 -070086 void incrementMissedFrames();
Yiwei Zhang0102ad22018-05-02 17:37:17 -070087 void incrementClientCompositionFrames();
88
Yiwei Zhang8e8fe522018-11-02 18:34:07 -070089 void setPostTime(int32_t layerID, uint64_t frameNumber, const std::string& layerName,
90 nsecs_t postTime);
Yiwei Zhang9689e2f2018-05-11 12:33:23 -070091 void setLatchTime(int32_t layerID, uint64_t frameNumber, nsecs_t latchTime);
92 void setDesiredTime(int32_t layerID, uint64_t frameNumber, nsecs_t desiredTime);
93 void setAcquireTime(int32_t layerID, uint64_t frameNumber, nsecs_t acquireTime);
94 void setAcquireFence(int32_t layerID, uint64_t frameNumber,
Yiwei Zhang0102ad22018-05-02 17:37:17 -070095 const std::shared_ptr<FenceTime>& acquireFence);
Yiwei Zhang9689e2f2018-05-11 12:33:23 -070096 void setPresentTime(int32_t layerID, uint64_t frameNumber, nsecs_t presentTime);
97 void setPresentFence(int32_t layerID, uint64_t frameNumber,
Yiwei Zhang0102ad22018-05-02 17:37:17 -070098 const std::shared_ptr<FenceTime>& presentFence);
Yiwei Zhangaf8ee942018-11-22 00:15:23 -080099 // Clean up the layer record
Yiwei Zhang9689e2f2018-05-11 12:33:23 -0700100 void onDestroy(int32_t layerID);
Yiwei Zhangeaeea062018-06-28 14:46:51 -0700101 // If SF skips or rejects a buffer, remove the corresponding TimeRecord.
Yiwei Zhang9689e2f2018-05-11 12:33:23 -0700102 void removeTimeRecord(int32_t layerID, uint64_t frameNumber);
Yiwei Zhang0102ad22018-05-02 17:37:17 -0700103
Yiwei Zhang3a226d22018-10-16 09:23:03 -0700104 void setPowerMode(int32_t powerMode);
Yiwei Zhangce6ebc02018-10-20 12:42:38 -0700105 void setPresentFenceGlobal(const std::shared_ptr<FenceTime>& presentFence);
Yiwei Zhang3a226d22018-10-16 09:23:03 -0700106
Yiwei Zhangaf8ee942018-11-22 00:15:23 -0800107 // TODO(zzyiwei): Bound the timeStatsTracker with weighted LRU
108 // static const size_t MAX_NUM_LAYER_RECORDS = 200;
109 static const size_t MAX_NUM_TIME_RECORDS = 64;
110
Yiwei Zhang0102ad22018-05-02 17:37:17 -0700111private:
Yiwei Zhang9689e2f2018-05-11 12:33:23 -0700112 bool recordReadyLocked(int32_t layerID, TimeRecord* timeRecord);
113 void flushAvailableRecordsToStatsLocked(int32_t layerID);
Yiwei Zhang3a226d22018-10-16 09:23:03 -0700114 void flushPowerTimeLocked();
Yiwei Zhangce6ebc02018-10-20 12:42:38 -0700115 void flushAvailableGlobalRecordsToStatsLocked();
Yiwei Zhang0102ad22018-05-02 17:37:17 -0700116
117 void enable();
118 void disable();
119 void clear();
Yiwei Zhang8a4015c2018-05-08 16:03:47 -0700120 void dump(bool asProto, std::optional<uint32_t> maxLayers, String8& result);
Yiwei Zhang0102ad22018-05-02 17:37:17 -0700121
122 std::atomic<bool> mEnabled = false;
123 std::mutex mMutex;
Yiwei Zhangdc224042018-10-18 15:34:00 -0700124 TimeStatsHelper::TimeStatsGlobal mTimeStats;
Yiwei Zhang9689e2f2018-05-11 12:33:23 -0700125 // Hashmap for LayerRecord with layerID as the hash key
126 std::unordered_map<int32_t, LayerRecord> mTimeStatsTracker;
Yiwei Zhang3a226d22018-10-16 09:23:03 -0700127 PowerTime mPowerTime;
Yiwei Zhangce6ebc02018-10-20 12:42:38 -0700128 GlobalRecord mGlobalRecord;
Yiwei Zhang0102ad22018-05-02 17:37:17 -0700129};
130
131} // namespace android