| /* | 
 |  * Copyright 2018 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. | 
 |  */ | 
 |  | 
 | // TODO(b/129481165): remove the #pragma below and fix conversion issues | 
 | #pragma clang diagnostic push | 
 | #pragma clang diagnostic ignored "-Wconversion" | 
 | #undef LOG_TAG | 
 | #define LOG_TAG "TimeStats" | 
 | #define ATRACE_TAG ATRACE_TAG_GRAPHICS | 
 |  | 
 | #include "TimeStats.h" | 
 |  | 
 | #include <android-base/stringprintf.h> | 
 | #include <android/util/ProtoOutputStream.h> | 
 | #include <log/log.h> | 
 | #include <utils/String8.h> | 
 | #include <utils/Timers.h> | 
 | #include <utils/Trace.h> | 
 |  | 
 | #include <algorithm> | 
 | #include <chrono> | 
 |  | 
 | namespace android { | 
 |  | 
 | namespace impl { | 
 |  | 
 | AStatsManager_PullAtomCallbackReturn TimeStats::pullAtomCallback(int32_t atom_tag, | 
 |                                                                  AStatsEventList* data, | 
 |                                                                  void* cookie) { | 
 |     impl::TimeStats* timeStats = reinterpret_cast<impl::TimeStats*>(cookie); | 
 |     AStatsManager_PullAtomCallbackReturn result = AStatsManager_PULL_SKIP; | 
 |     if (atom_tag == android::util::SURFACEFLINGER_STATS_GLOBAL_INFO) { | 
 |         result = timeStats->populateGlobalAtom(data); | 
 |     } else if (atom_tag == android::util::SURFACEFLINGER_STATS_LAYER_INFO) { | 
 |         result = timeStats->populateLayerAtom(data); | 
 |     } | 
 |  | 
 |     // Enable timestats now. The first full pull for a given build is expected to | 
 |     // have empty or very little stats, as stats are first enabled after the | 
 |     // first pull is completed for either the global or layer stats. | 
 |     timeStats->enable(); | 
 |     return result; | 
 | } | 
 |  | 
 | namespace { | 
 | // Histograms align with the order of fields in SurfaceflingerStatsLayerInfo. | 
 | const std::array<std::string, 6> kHistogramNames = { | 
 |         "present2present", "post2present",    "acquire2present", | 
 |         "latch2present",   "desired2present", "post2acquire", | 
 | }; | 
 |  | 
 | std::string histogramToProtoByteString(const std::unordered_map<int32_t, int32_t>& histogram, | 
 |                                        size_t maxPulledHistogramBuckets) { | 
 |     auto buckets = std::vector<std::pair<int32_t, int32_t>>(histogram.begin(), histogram.end()); | 
 |     std::sort(buckets.begin(), buckets.end(), | 
 |               [](std::pair<int32_t, int32_t>& left, std::pair<int32_t, int32_t>& right) { | 
 |                   return left.second > right.second; | 
 |               }); | 
 |  | 
 |     util::ProtoOutputStream proto; | 
 |     int histogramSize = 0; | 
 |     for (const auto& bucket : buckets) { | 
 |         if (++histogramSize > maxPulledHistogramBuckets) { | 
 |             break; | 
 |         } | 
 |         proto.write(android::util::FIELD_TYPE_INT32 | android::util::FIELD_COUNT_REPEATED | | 
 |                             1 /* field id */, | 
 |                     (int32_t)bucket.first); | 
 |         proto.write(android::util::FIELD_TYPE_INT64 | android::util::FIELD_COUNT_REPEATED | | 
 |                             2 /* field id */, | 
 |                     (int64_t)bucket.second); | 
 |     } | 
 |  | 
 |     std::string byteString; | 
 |     proto.serializeToString(&byteString); | 
 |     return byteString; | 
 | } | 
 | } // namespace | 
 |  | 
 | AStatsManager_PullAtomCallbackReturn TimeStats::populateGlobalAtom(AStatsEventList* data) { | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |  | 
 |     if (mTimeStats.statsStart == 0) { | 
 |         return AStatsManager_PULL_SKIP; | 
 |     } | 
 |     flushPowerTimeLocked(); | 
 |  | 
 |     AStatsEvent* event = mStatsDelegate->addStatsEventToPullData(data); | 
 |     mStatsDelegate->statsEventSetAtomId(event, android::util::SURFACEFLINGER_STATS_GLOBAL_INFO); | 
 |     mStatsDelegate->statsEventWriteInt64(event, mTimeStats.totalFrames); | 
 |     mStatsDelegate->statsEventWriteInt64(event, mTimeStats.missedFrames); | 
 |     mStatsDelegate->statsEventWriteInt64(event, mTimeStats.clientCompositionFrames); | 
 |     mStatsDelegate->statsEventWriteInt64(event, mTimeStats.displayOnTime); | 
 |     mStatsDelegate->statsEventWriteInt64(event, mTimeStats.presentToPresent.totalTime()); | 
 |     mStatsDelegate->statsEventWriteInt32(event, mTimeStats.displayEventConnectionsCount); | 
 |     std::string frameDurationBytes = | 
 |             histogramToProtoByteString(mTimeStats.frameDuration.hist, mMaxPulledHistogramBuckets); | 
 |     mStatsDelegate->statsEventWriteByteArray(event, (const uint8_t*)frameDurationBytes.c_str(), | 
 |                                              frameDurationBytes.size()); | 
 |     std::string renderEngineTimingBytes = | 
 |             histogramToProtoByteString(mTimeStats.renderEngineTiming.hist, | 
 |                                        mMaxPulledHistogramBuckets); | 
 |     mStatsDelegate->statsEventWriteByteArray(event, (const uint8_t*)renderEngineTimingBytes.c_str(), | 
 |                                              renderEngineTimingBytes.size()); | 
 |     mStatsDelegate->statsEventBuild(event); | 
 |     clearGlobalLocked(); | 
 |  | 
 |     return AStatsManager_PULL_SUCCESS; | 
 | } | 
 |  | 
 | AStatsManager_PullAtomCallbackReturn TimeStats::populateLayerAtom(AStatsEventList* data) { | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |  | 
 |     std::vector<TimeStatsHelper::TimeStatsLayer const*> dumpStats; | 
 |     for (const auto& ele : mTimeStats.stats) { | 
 |         dumpStats.push_back(&ele.second); | 
 |     } | 
 |  | 
 |     std::sort(dumpStats.begin(), dumpStats.end(), | 
 |               [](TimeStatsHelper::TimeStatsLayer const* l, | 
 |                  TimeStatsHelper::TimeStatsLayer const* r) { | 
 |                   return l->totalFrames > r->totalFrames; | 
 |               }); | 
 |  | 
 |     if (mMaxPulledLayers < dumpStats.size()) { | 
 |         dumpStats.resize(mMaxPulledLayers); | 
 |     } | 
 |  | 
 |     for (const auto& layer : dumpStats) { | 
 |         AStatsEvent* event = mStatsDelegate->addStatsEventToPullData(data); | 
 |         mStatsDelegate->statsEventSetAtomId(event, android::util::SURFACEFLINGER_STATS_LAYER_INFO); | 
 |         mStatsDelegate->statsEventWriteString8(event, layer->layerName.c_str()); | 
 |         mStatsDelegate->statsEventWriteInt64(event, layer->totalFrames); | 
 |         mStatsDelegate->statsEventWriteInt64(event, layer->droppedFrames); | 
 |  | 
 |         for (const auto& name : kHistogramNames) { | 
 |             const auto& histogram = layer->deltas.find(name); | 
 |             if (histogram == layer->deltas.cend()) { | 
 |                 mStatsDelegate->statsEventWriteByteArray(event, nullptr, 0); | 
 |             } else { | 
 |                 std::string bytes = histogramToProtoByteString(histogram->second.hist, | 
 |                                                                mMaxPulledHistogramBuckets); | 
 |                 mStatsDelegate->statsEventWriteByteArray(event, (const uint8_t*)bytes.c_str(), | 
 |                                                          bytes.size()); | 
 |             } | 
 |         } | 
 |  | 
 |         mStatsDelegate->statsEventWriteInt64(event, layer->lateAcquireFrames); | 
 |         mStatsDelegate->statsEventWriteInt64(event, layer->badDesiredPresentFrames); | 
 |  | 
 |         mStatsDelegate->statsEventBuild(event); | 
 |     } | 
 |     clearLayersLocked(); | 
 |  | 
 |     return AStatsManager_PULL_SUCCESS; | 
 | } | 
 |  | 
 | TimeStats::TimeStats() : TimeStats(nullptr, std::nullopt, std::nullopt) {} | 
 |  | 
 | TimeStats::TimeStats(std::unique_ptr<StatsEventDelegate> statsDelegate, | 
 |                      std::optional<size_t> maxPulledLayers, | 
 |                      std::optional<size_t> maxPulledHistogramBuckets) { | 
 |     if (statsDelegate != nullptr) { | 
 |         mStatsDelegate = std::move(statsDelegate); | 
 |     } | 
 |  | 
 |     if (maxPulledLayers) { | 
 |         mMaxPulledLayers = *maxPulledLayers; | 
 |     } | 
 |  | 
 |     if (maxPulledHistogramBuckets) { | 
 |         mMaxPulledHistogramBuckets = *maxPulledHistogramBuckets; | 
 |     } | 
 | } | 
 |  | 
 | TimeStats::~TimeStats() { | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mStatsDelegate->clearStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_GLOBAL_INFO); | 
 |     mStatsDelegate->clearStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_LAYER_INFO); | 
 | } | 
 |  | 
 | void TimeStats::onBootFinished() { | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mStatsDelegate->setStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_GLOBAL_INFO, | 
 |                                              nullptr, TimeStats::pullAtomCallback, this); | 
 |     mStatsDelegate->setStatsPullAtomCallback(android::util::SURFACEFLINGER_STATS_LAYER_INFO, | 
 |                                              nullptr, TimeStats::pullAtomCallback, this); | 
 | } | 
 |  | 
 | void TimeStats::parseArgs(bool asProto, const Vector<String16>& args, std::string& result) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::unordered_map<std::string, int32_t> argsMap; | 
 |     for (size_t index = 0; index < args.size(); ++index) { | 
 |         argsMap[std::string(String8(args[index]).c_str())] = index; | 
 |     } | 
 |  | 
 |     if (argsMap.count("-disable")) { | 
 |         disable(); | 
 |     } | 
 |  | 
 |     if (argsMap.count("-dump")) { | 
 |         std::optional<uint32_t> maxLayers = std::nullopt; | 
 |         auto iter = argsMap.find("-maxlayers"); | 
 |         if (iter != argsMap.end() && iter->second + 1 < static_cast<int32_t>(args.size())) { | 
 |             int64_t value = strtol(String8(args[iter->second + 1]).c_str(), nullptr, 10); | 
 |             value = std::clamp(value, int64_t(0), int64_t(UINT32_MAX)); | 
 |             maxLayers = static_cast<uint32_t>(value); | 
 |         } | 
 |  | 
 |         dump(asProto, maxLayers, result); | 
 |     } | 
 |  | 
 |     if (argsMap.count("-clear")) { | 
 |         clearAll(); | 
 |     } | 
 |  | 
 |     if (argsMap.count("-enable")) { | 
 |         enable(); | 
 |     } | 
 | } | 
 |  | 
 | std::string TimeStats::miniDump() { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::string result = "TimeStats miniDump:\n"; | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     android::base::StringAppendF(&result, "Number of layers currently being tracked is %zu\n", | 
 |                                  mTimeStatsTracker.size()); | 
 |     android::base::StringAppendF(&result, "Number of layers in the stats pool is %zu\n", | 
 |                                  mTimeStats.stats.size()); | 
 |     return result; | 
 | } | 
 |  | 
 | void TimeStats::incrementTotalFrames() { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mTimeStats.totalFrames++; | 
 | } | 
 |  | 
 | void TimeStats::incrementMissedFrames() { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mTimeStats.missedFrames++; | 
 | } | 
 |  | 
 | void TimeStats::incrementClientCompositionFrames() { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mTimeStats.clientCompositionFrames++; | 
 | } | 
 |  | 
 | void TimeStats::incrementClientCompositionReusedFrames() { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mTimeStats.clientCompositionReusedFrames++; | 
 | } | 
 |  | 
 | void TimeStats::incrementRefreshRateSwitches() { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mTimeStats.refreshRateSwitches++; | 
 | } | 
 |  | 
 | void TimeStats::incrementCompositionStrategyChanges() { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mTimeStats.compositionStrategyChanges++; | 
 | } | 
 |  | 
 | void TimeStats::recordDisplayEventConnectionCount(int32_t count) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mTimeStats.displayEventConnectionsCount = | 
 |             std::max(mTimeStats.displayEventConnectionsCount, count); | 
 | } | 
 |  | 
 | static int32_t msBetween(nsecs_t start, nsecs_t end) { | 
 |     int64_t delta = std::chrono::duration_cast<std::chrono::milliseconds>( | 
 |                             std::chrono::nanoseconds(end - start)) | 
 |                             .count(); | 
 |     delta = std::clamp(delta, int64_t(INT32_MIN), int64_t(INT32_MAX)); | 
 |     return static_cast<int32_t>(delta); | 
 | } | 
 |  | 
 | void TimeStats::recordFrameDuration(nsecs_t startTime, nsecs_t endTime) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (mPowerTime.powerMode == PowerMode::ON) { | 
 |         mTimeStats.frameDuration.insert(msBetween(startTime, endTime)); | 
 |     } | 
 | } | 
 |  | 
 | void TimeStats::recordRenderEngineDuration(nsecs_t startTime, nsecs_t endTime) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (mGlobalRecord.renderEngineDurations.size() == MAX_NUM_TIME_RECORDS) { | 
 |         ALOGE("RenderEngineTimes are already at its maximum size[%zu]", MAX_NUM_TIME_RECORDS); | 
 |         mGlobalRecord.renderEngineDurations.pop_front(); | 
 |     } | 
 |     mGlobalRecord.renderEngineDurations.push_back({startTime, endTime}); | 
 | } | 
 |  | 
 | void TimeStats::recordRenderEngineDuration(nsecs_t startTime, | 
 |                                            const std::shared_ptr<FenceTime>& endTime) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (mGlobalRecord.renderEngineDurations.size() == MAX_NUM_TIME_RECORDS) { | 
 |         ALOGE("RenderEngineTimes are already at its maximum size[%zu]", MAX_NUM_TIME_RECORDS); | 
 |         mGlobalRecord.renderEngineDurations.pop_front(); | 
 |     } | 
 |     mGlobalRecord.renderEngineDurations.push_back({startTime, endTime}); | 
 | } | 
 |  | 
 | bool TimeStats::recordReadyLocked(int32_t layerId, TimeRecord* timeRecord) { | 
 |     if (!timeRecord->ready) { | 
 |         ALOGV("[%d]-[%" PRIu64 "]-presentFence is still not received", layerId, | 
 |               timeRecord->frameTime.frameNumber); | 
 |         return false; | 
 |     } | 
 |  | 
 |     if (timeRecord->acquireFence != nullptr) { | 
 |         if (timeRecord->acquireFence->getSignalTime() == Fence::SIGNAL_TIME_PENDING) { | 
 |             return false; | 
 |         } | 
 |         if (timeRecord->acquireFence->getSignalTime() != Fence::SIGNAL_TIME_INVALID) { | 
 |             timeRecord->frameTime.acquireTime = timeRecord->acquireFence->getSignalTime(); | 
 |             timeRecord->acquireFence = nullptr; | 
 |         } else { | 
 |             ALOGV("[%d]-[%" PRIu64 "]-acquireFence signal time is invalid", layerId, | 
 |                   timeRecord->frameTime.frameNumber); | 
 |         } | 
 |     } | 
 |  | 
 |     if (timeRecord->presentFence != nullptr) { | 
 |         if (timeRecord->presentFence->getSignalTime() == Fence::SIGNAL_TIME_PENDING) { | 
 |             return false; | 
 |         } | 
 |         if (timeRecord->presentFence->getSignalTime() != Fence::SIGNAL_TIME_INVALID) { | 
 |             timeRecord->frameTime.presentTime = timeRecord->presentFence->getSignalTime(); | 
 |             timeRecord->presentFence = nullptr; | 
 |         } else { | 
 |             ALOGV("[%d]-[%" PRIu64 "]-presentFence signal time invalid", layerId, | 
 |                   timeRecord->frameTime.frameNumber); | 
 |         } | 
 |     } | 
 |  | 
 |     return true; | 
 | } | 
 |  | 
 | void TimeStats::flushAvailableRecordsToStatsLocked(int32_t layerId) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     TimeRecord& prevTimeRecord = layerRecord.prevTimeRecord; | 
 |     std::deque<TimeRecord>& timeRecords = layerRecord.timeRecords; | 
 |     while (!timeRecords.empty()) { | 
 |         if (!recordReadyLocked(layerId, &timeRecords[0])) break; | 
 |         ALOGV("[%d]-[%" PRIu64 "]-presentFenceTime[%" PRId64 "]", layerId, | 
 |               timeRecords[0].frameTime.frameNumber, timeRecords[0].frameTime.presentTime); | 
 |  | 
 |         if (prevTimeRecord.ready) { | 
 |             const std::string& layerName = layerRecord.layerName; | 
 |             if (!mTimeStats.stats.count(layerName)) { | 
 |                 mTimeStats.stats[layerName].layerName = layerName; | 
 |             } | 
 |             TimeStatsHelper::TimeStatsLayer& timeStatsLayer = mTimeStats.stats[layerName]; | 
 |             timeStatsLayer.totalFrames++; | 
 |             timeStatsLayer.droppedFrames += layerRecord.droppedFrames; | 
 |             timeStatsLayer.lateAcquireFrames += layerRecord.lateAcquireFrames; | 
 |             timeStatsLayer.badDesiredPresentFrames += layerRecord.badDesiredPresentFrames; | 
 |  | 
 |             layerRecord.droppedFrames = 0; | 
 |             layerRecord.lateAcquireFrames = 0; | 
 |             layerRecord.badDesiredPresentFrames = 0; | 
 |  | 
 |             const int32_t postToAcquireMs = msBetween(timeRecords[0].frameTime.postTime, | 
 |                                                       timeRecords[0].frameTime.acquireTime); | 
 |             ALOGV("[%d]-[%" PRIu64 "]-post2acquire[%d]", layerId, | 
 |                   timeRecords[0].frameTime.frameNumber, postToAcquireMs); | 
 |             timeStatsLayer.deltas["post2acquire"].insert(postToAcquireMs); | 
 |  | 
 |             const int32_t postToPresentMs = msBetween(timeRecords[0].frameTime.postTime, | 
 |                                                       timeRecords[0].frameTime.presentTime); | 
 |             ALOGV("[%d]-[%" PRIu64 "]-post2present[%d]", layerId, | 
 |                   timeRecords[0].frameTime.frameNumber, postToPresentMs); | 
 |             timeStatsLayer.deltas["post2present"].insert(postToPresentMs); | 
 |  | 
 |             const int32_t acquireToPresentMs = msBetween(timeRecords[0].frameTime.acquireTime, | 
 |                                                          timeRecords[0].frameTime.presentTime); | 
 |             ALOGV("[%d]-[%" PRIu64 "]-acquire2present[%d]", layerId, | 
 |                   timeRecords[0].frameTime.frameNumber, acquireToPresentMs); | 
 |             timeStatsLayer.deltas["acquire2present"].insert(acquireToPresentMs); | 
 |  | 
 |             const int32_t latchToPresentMs = msBetween(timeRecords[0].frameTime.latchTime, | 
 |                                                        timeRecords[0].frameTime.presentTime); | 
 |             ALOGV("[%d]-[%" PRIu64 "]-latch2present[%d]", layerId, | 
 |                   timeRecords[0].frameTime.frameNumber, latchToPresentMs); | 
 |             timeStatsLayer.deltas["latch2present"].insert(latchToPresentMs); | 
 |  | 
 |             const int32_t desiredToPresentMs = msBetween(timeRecords[0].frameTime.desiredTime, | 
 |                                                          timeRecords[0].frameTime.presentTime); | 
 |             ALOGV("[%d]-[%" PRIu64 "]-desired2present[%d]", layerId, | 
 |                   timeRecords[0].frameTime.frameNumber, desiredToPresentMs); | 
 |             timeStatsLayer.deltas["desired2present"].insert(desiredToPresentMs); | 
 |  | 
 |             const int32_t presentToPresentMs = msBetween(prevTimeRecord.frameTime.presentTime, | 
 |                                                          timeRecords[0].frameTime.presentTime); | 
 |             ALOGV("[%d]-[%" PRIu64 "]-present2present[%d]", layerId, | 
 |                   timeRecords[0].frameTime.frameNumber, presentToPresentMs); | 
 |             timeStatsLayer.deltas["present2present"].insert(presentToPresentMs); | 
 |         } | 
 |         prevTimeRecord = timeRecords[0]; | 
 |         timeRecords.pop_front(); | 
 |         layerRecord.waitData--; | 
 |     } | 
 | } | 
 |  | 
 | static constexpr const char* kPopupWindowPrefix = "PopupWindow"; | 
 | static const size_t kMinLenLayerName = std::strlen(kPopupWindowPrefix); | 
 |  | 
 | // Avoid tracking the "PopupWindow:<random hash>#<number>" layers | 
 | static bool layerNameIsValid(const std::string& layerName) { | 
 |     return layerName.length() >= kMinLenLayerName && | 
 |             layerName.compare(0, kMinLenLayerName, kPopupWindowPrefix) != 0; | 
 | } | 
 |  | 
 | void TimeStats::setPostTime(int32_t layerId, uint64_t frameNumber, const std::string& layerName, | 
 |                             nsecs_t postTime) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-[%" PRIu64 "]-[%s]-PostTime[%" PRId64 "]", layerId, frameNumber, layerName.c_str(), | 
 |           postTime); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStats.stats.count(layerName) && mTimeStats.stats.size() >= MAX_NUM_LAYER_STATS) { | 
 |         return; | 
 |     } | 
 |     if (!mTimeStatsTracker.count(layerId) && mTimeStatsTracker.size() < MAX_NUM_LAYER_RECORDS && | 
 |         layerNameIsValid(layerName)) { | 
 |         mTimeStatsTracker[layerId].layerName = layerName; | 
 |     } | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     if (layerRecord.timeRecords.size() == MAX_NUM_TIME_RECORDS) { | 
 |         ALOGE("[%d]-[%s]-timeRecords is at its maximum size[%zu]. Ignore this when unittesting.", | 
 |               layerId, layerRecord.layerName.c_str(), MAX_NUM_TIME_RECORDS); | 
 |         mTimeStatsTracker.erase(layerId); | 
 |         return; | 
 |     } | 
 |     // For most media content, the acquireFence is invalid because the buffer is | 
 |     // ready at the queueBuffer stage. In this case, acquireTime should be given | 
 |     // a default value as postTime. | 
 |     TimeRecord timeRecord = { | 
 |             .frameTime = | 
 |                     { | 
 |                             .frameNumber = frameNumber, | 
 |                             .postTime = postTime, | 
 |                             .latchTime = postTime, | 
 |                             .acquireTime = postTime, | 
 |                             .desiredTime = postTime, | 
 |                     }, | 
 |     }; | 
 |     layerRecord.timeRecords.push_back(timeRecord); | 
 |     if (layerRecord.waitData < 0 || | 
 |         layerRecord.waitData >= static_cast<int32_t>(layerRecord.timeRecords.size())) | 
 |         layerRecord.waitData = layerRecord.timeRecords.size() - 1; | 
 | } | 
 |  | 
 | void TimeStats::setLatchTime(int32_t layerId, uint64_t frameNumber, nsecs_t latchTime) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-[%" PRIu64 "]-LatchTime[%" PRId64 "]", layerId, frameNumber, latchTime); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     if (layerRecord.waitData < 0 || | 
 |         layerRecord.waitData >= static_cast<int32_t>(layerRecord.timeRecords.size())) | 
 |         return; | 
 |     TimeRecord& timeRecord = layerRecord.timeRecords[layerRecord.waitData]; | 
 |     if (timeRecord.frameTime.frameNumber == frameNumber) { | 
 |         timeRecord.frameTime.latchTime = latchTime; | 
 |     } | 
 | } | 
 |  | 
 | void TimeStats::incrementLatchSkipped(int32_t layerId, LatchSkipReason reason) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-LatchSkipped-Reason[%d]", layerId, | 
 |           static_cast<std::underlying_type<LatchSkipReason>::type>(reason)); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |  | 
 |     switch (reason) { | 
 |         case LatchSkipReason::LateAcquire: | 
 |             layerRecord.lateAcquireFrames++; | 
 |             break; | 
 |     } | 
 | } | 
 |  | 
 | void TimeStats::incrementBadDesiredPresent(int32_t layerId) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-BadDesiredPresent", layerId); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     layerRecord.badDesiredPresentFrames++; | 
 | } | 
 |  | 
 | void TimeStats::setDesiredTime(int32_t layerId, uint64_t frameNumber, nsecs_t desiredTime) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-[%" PRIu64 "]-DesiredTime[%" PRId64 "]", layerId, frameNumber, desiredTime); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     if (layerRecord.waitData < 0 || | 
 |         layerRecord.waitData >= static_cast<int32_t>(layerRecord.timeRecords.size())) | 
 |         return; | 
 |     TimeRecord& timeRecord = layerRecord.timeRecords[layerRecord.waitData]; | 
 |     if (timeRecord.frameTime.frameNumber == frameNumber) { | 
 |         timeRecord.frameTime.desiredTime = desiredTime; | 
 |     } | 
 | } | 
 |  | 
 | void TimeStats::setAcquireTime(int32_t layerId, uint64_t frameNumber, nsecs_t acquireTime) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-[%" PRIu64 "]-AcquireTime[%" PRId64 "]", layerId, frameNumber, acquireTime); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     if (layerRecord.waitData < 0 || | 
 |         layerRecord.waitData >= static_cast<int32_t>(layerRecord.timeRecords.size())) | 
 |         return; | 
 |     TimeRecord& timeRecord = layerRecord.timeRecords[layerRecord.waitData]; | 
 |     if (timeRecord.frameTime.frameNumber == frameNumber) { | 
 |         timeRecord.frameTime.acquireTime = acquireTime; | 
 |     } | 
 | } | 
 |  | 
 | void TimeStats::setAcquireFence(int32_t layerId, uint64_t frameNumber, | 
 |                                 const std::shared_ptr<FenceTime>& acquireFence) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-[%" PRIu64 "]-AcquireFenceTime[%" PRId64 "]", layerId, frameNumber, | 
 |           acquireFence->getSignalTime()); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     if (layerRecord.waitData < 0 || | 
 |         layerRecord.waitData >= static_cast<int32_t>(layerRecord.timeRecords.size())) | 
 |         return; | 
 |     TimeRecord& timeRecord = layerRecord.timeRecords[layerRecord.waitData]; | 
 |     if (timeRecord.frameTime.frameNumber == frameNumber) { | 
 |         timeRecord.acquireFence = acquireFence; | 
 |     } | 
 | } | 
 |  | 
 | void TimeStats::setPresentTime(int32_t layerId, uint64_t frameNumber, nsecs_t presentTime) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-[%" PRIu64 "]-PresentTime[%" PRId64 "]", layerId, frameNumber, presentTime); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     if (layerRecord.waitData < 0 || | 
 |         layerRecord.waitData >= static_cast<int32_t>(layerRecord.timeRecords.size())) | 
 |         return; | 
 |     TimeRecord& timeRecord = layerRecord.timeRecords[layerRecord.waitData]; | 
 |     if (timeRecord.frameTime.frameNumber == frameNumber) { | 
 |         timeRecord.frameTime.presentTime = presentTime; | 
 |         timeRecord.ready = true; | 
 |         layerRecord.waitData++; | 
 |     } | 
 |  | 
 |     flushAvailableRecordsToStatsLocked(layerId); | 
 | } | 
 |  | 
 | void TimeStats::setPresentFence(int32_t layerId, uint64_t frameNumber, | 
 |                                 const std::shared_ptr<FenceTime>& presentFence) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-[%" PRIu64 "]-PresentFenceTime[%" PRId64 "]", layerId, frameNumber, | 
 |           presentFence->getSignalTime()); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     if (layerRecord.waitData < 0 || | 
 |         layerRecord.waitData >= static_cast<int32_t>(layerRecord.timeRecords.size())) | 
 |         return; | 
 |     TimeRecord& timeRecord = layerRecord.timeRecords[layerRecord.waitData]; | 
 |     if (timeRecord.frameTime.frameNumber == frameNumber) { | 
 |         timeRecord.presentFence = presentFence; | 
 |         timeRecord.ready = true; | 
 |         layerRecord.waitData++; | 
 |     } | 
 |  | 
 |     flushAvailableRecordsToStatsLocked(layerId); | 
 | } | 
 |  | 
 | void TimeStats::onDestroy(int32_t layerId) { | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-onDestroy", layerId); | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mTimeStatsTracker.erase(layerId); | 
 | } | 
 |  | 
 | void TimeStats::removeTimeRecord(int32_t layerId, uint64_t frameNumber) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     ALOGV("[%d]-[%" PRIu64 "]-removeTimeRecord", layerId, frameNumber); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (!mTimeStatsTracker.count(layerId)) return; | 
 |     LayerRecord& layerRecord = mTimeStatsTracker[layerId]; | 
 |     size_t removeAt = 0; | 
 |     for (const TimeRecord& record : layerRecord.timeRecords) { | 
 |         if (record.frameTime.frameNumber == frameNumber) break; | 
 |         removeAt++; | 
 |     } | 
 |     if (removeAt == layerRecord.timeRecords.size()) return; | 
 |     layerRecord.timeRecords.erase(layerRecord.timeRecords.begin() + removeAt); | 
 |     if (layerRecord.waitData > static_cast<int32_t>(removeAt)) { | 
 |         layerRecord.waitData--; | 
 |     } | 
 |     layerRecord.droppedFrames++; | 
 | } | 
 |  | 
 | void TimeStats::flushPowerTimeLocked() { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     nsecs_t curTime = systemTime(); | 
 |     // elapsedTime is in milliseconds. | 
 |     int64_t elapsedTime = (curTime - mPowerTime.prevTime) / 1000000; | 
 |  | 
 |     switch (mPowerTime.powerMode) { | 
 |         case PowerMode::ON: | 
 |             mTimeStats.displayOnTime += elapsedTime; | 
 |             break; | 
 |         case PowerMode::OFF: | 
 |         case PowerMode::DOZE: | 
 |         case PowerMode::DOZE_SUSPEND: | 
 |         case PowerMode::ON_SUSPEND: | 
 |         default: | 
 |             break; | 
 |     } | 
 |  | 
 |     mPowerTime.prevTime = curTime; | 
 | } | 
 |  | 
 | void TimeStats::setPowerMode(PowerMode powerMode) { | 
 |     if (!mEnabled.load()) { | 
 |         std::lock_guard<std::mutex> lock(mMutex); | 
 |         mPowerTime.powerMode = powerMode; | 
 |         return; | 
 |     } | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (powerMode == mPowerTime.powerMode) return; | 
 |  | 
 |     flushPowerTimeLocked(); | 
 |     mPowerTime.powerMode = powerMode; | 
 | } | 
 |  | 
 | void TimeStats::recordRefreshRate(uint32_t fps, nsecs_t duration) { | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (mTimeStats.refreshRateStats.count(fps)) { | 
 |         mTimeStats.refreshRateStats[fps] += duration; | 
 |     } else { | 
 |         mTimeStats.refreshRateStats.insert({fps, duration}); | 
 |     } | 
 | } | 
 |  | 
 | void TimeStats::flushAvailableGlobalRecordsToStatsLocked() { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     while (!mGlobalRecord.presentFences.empty()) { | 
 |         const nsecs_t curPresentTime = mGlobalRecord.presentFences.front()->getSignalTime(); | 
 |         if (curPresentTime == Fence::SIGNAL_TIME_PENDING) break; | 
 |  | 
 |         if (curPresentTime == Fence::SIGNAL_TIME_INVALID) { | 
 |             ALOGE("GlobalPresentFence is invalid!"); | 
 |             mGlobalRecord.prevPresentTime = 0; | 
 |             mGlobalRecord.presentFences.pop_front(); | 
 |             continue; | 
 |         } | 
 |  | 
 |         ALOGV("GlobalPresentFenceTime[%" PRId64 "]", | 
 |               mGlobalRecord.presentFences.front()->getSignalTime()); | 
 |  | 
 |         if (mGlobalRecord.prevPresentTime != 0) { | 
 |             const int32_t presentToPresentMs = | 
 |                     msBetween(mGlobalRecord.prevPresentTime, curPresentTime); | 
 |             ALOGV("Global present2present[%d] prev[%" PRId64 "] curr[%" PRId64 "]", | 
 |                   presentToPresentMs, mGlobalRecord.prevPresentTime, curPresentTime); | 
 |             mTimeStats.presentToPresent.insert(presentToPresentMs); | 
 |         } | 
 |  | 
 |         mGlobalRecord.prevPresentTime = curPresentTime; | 
 |         mGlobalRecord.presentFences.pop_front(); | 
 |     } | 
 |     while (!mGlobalRecord.renderEngineDurations.empty()) { | 
 |         const auto duration = mGlobalRecord.renderEngineDurations.front(); | 
 |         const auto& endTime = duration.endTime; | 
 |  | 
 |         nsecs_t endNs = -1; | 
 |  | 
 |         if (auto val = std::get_if<nsecs_t>(&endTime)) { | 
 |             endNs = *val; | 
 |         } else { | 
 |             endNs = std::get<std::shared_ptr<FenceTime>>(endTime)->getSignalTime(); | 
 |         } | 
 |  | 
 |         if (endNs == Fence::SIGNAL_TIME_PENDING) break; | 
 |  | 
 |         if (endNs < 0) { | 
 |             ALOGE("RenderEngineTiming is invalid!"); | 
 |             mGlobalRecord.renderEngineDurations.pop_front(); | 
 |             continue; | 
 |         } | 
 |  | 
 |         const int32_t renderEngineMs = msBetween(duration.startTime, endNs); | 
 |         mTimeStats.renderEngineTiming.insert(renderEngineMs); | 
 |  | 
 |         mGlobalRecord.renderEngineDurations.pop_front(); | 
 |     } | 
 | } | 
 |  | 
 | void TimeStats::setPresentFenceGlobal(const std::shared_ptr<FenceTime>& presentFence) { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (presentFence == nullptr || !presentFence->isValid()) { | 
 |         mGlobalRecord.prevPresentTime = 0; | 
 |         return; | 
 |     } | 
 |  | 
 |     if (mPowerTime.powerMode != PowerMode::ON) { | 
 |         // Try flushing the last present fence on PowerMode::ON. | 
 |         flushAvailableGlobalRecordsToStatsLocked(); | 
 |         mGlobalRecord.presentFences.clear(); | 
 |         mGlobalRecord.prevPresentTime = 0; | 
 |         return; | 
 |     } | 
 |  | 
 |     if (mGlobalRecord.presentFences.size() == MAX_NUM_TIME_RECORDS) { | 
 |         // The front presentFence must be trapped in pending status in this | 
 |         // case. Try dequeuing the front one to recover. | 
 |         ALOGE("GlobalPresentFences is already at its maximum size[%zu]", MAX_NUM_TIME_RECORDS); | 
 |         mGlobalRecord.prevPresentTime = 0; | 
 |         mGlobalRecord.presentFences.pop_front(); | 
 |     } | 
 |  | 
 |     mGlobalRecord.presentFences.emplace_back(presentFence); | 
 |     flushAvailableGlobalRecordsToStatsLocked(); | 
 | } | 
 |  | 
 | void TimeStats::enable() { | 
 |     if (mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     mEnabled.store(true); | 
 |     mTimeStats.statsStart = static_cast<int64_t>(std::time(0)); | 
 |     mPowerTime.prevTime = systemTime(); | 
 |     ALOGD("Enabled"); | 
 | } | 
 |  | 
 | void TimeStats::disable() { | 
 |     if (!mEnabled.load()) return; | 
 |  | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     flushPowerTimeLocked(); | 
 |     mEnabled.store(false); | 
 |     mTimeStats.statsEnd = static_cast<int64_t>(std::time(0)); | 
 |     ALOGD("Disabled"); | 
 | } | 
 |  | 
 | void TimeStats::clearAll() { | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     clearGlobalLocked(); | 
 |     clearLayersLocked(); | 
 | } | 
 |  | 
 | void TimeStats::clearGlobalLocked() { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     mTimeStats.statsStart = (mEnabled.load() ? static_cast<int64_t>(std::time(0)) : 0); | 
 |     mTimeStats.statsEnd = 0; | 
 |     mTimeStats.totalFrames = 0; | 
 |     mTimeStats.missedFrames = 0; | 
 |     mTimeStats.clientCompositionFrames = 0; | 
 |     mTimeStats.clientCompositionReusedFrames = 0; | 
 |     mTimeStats.refreshRateSwitches = 0; | 
 |     mTimeStats.compositionStrategyChanges = 0; | 
 |     mTimeStats.displayEventConnectionsCount = 0; | 
 |     mTimeStats.displayOnTime = 0; | 
 |     mTimeStats.presentToPresent.hist.clear(); | 
 |     mTimeStats.frameDuration.hist.clear(); | 
 |     mTimeStats.renderEngineTiming.hist.clear(); | 
 |     mTimeStats.refreshRateStats.clear(); | 
 |     mPowerTime.prevTime = systemTime(); | 
 |     mGlobalRecord.prevPresentTime = 0; | 
 |     mGlobalRecord.presentFences.clear(); | 
 |     ALOGD("Cleared global stats"); | 
 | } | 
 |  | 
 | void TimeStats::clearLayersLocked() { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     mTimeStatsTracker.clear(); | 
 |     mTimeStats.stats.clear(); | 
 |     ALOGD("Cleared layer stats"); | 
 | } | 
 |  | 
 | bool TimeStats::isEnabled() { | 
 |     return mEnabled.load(); | 
 | } | 
 |  | 
 | void TimeStats::dump(bool asProto, std::optional<uint32_t> maxLayers, std::string& result) { | 
 |     ATRACE_CALL(); | 
 |  | 
 |     std::lock_guard<std::mutex> lock(mMutex); | 
 |     if (mTimeStats.statsStart == 0) { | 
 |         return; | 
 |     } | 
 |  | 
 |     mTimeStats.statsEnd = static_cast<int64_t>(std::time(0)); | 
 |  | 
 |     flushPowerTimeLocked(); | 
 |  | 
 |     if (asProto) { | 
 |         ALOGD("Dumping TimeStats as proto"); | 
 |         SFTimeStatsGlobalProto timeStatsProto = mTimeStats.toProto(maxLayers); | 
 |         result.append(timeStatsProto.SerializeAsString()); | 
 |     } else { | 
 |         ALOGD("Dumping TimeStats as text"); | 
 |         result.append(mTimeStats.toString(maxLayers)); | 
 |         result.append("\n"); | 
 |     } | 
 | } | 
 |  | 
 | } // namespace impl | 
 |  | 
 | } // namespace android | 
 |  | 
 | // TODO(b/129481165): remove the #pragma below and fix conversion issues | 
 | #pragma clang diagnostic pop // ignored "-Wconversion" |