| /* | 
 |  * Copyright 2020 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. | 
 |  */ | 
 |  | 
 |  | 
 | #include "gmock/gmock-spec-builders.h" | 
 | #include "mock/MockTimeStats.h" | 
 | #undef LOG_TAG | 
 | #define LOG_TAG "LibSurfaceFlingerUnittests" | 
 |  | 
 | #include <FrameTimeline/FrameTimeline.h> | 
 | #include <gtest/gtest.h> | 
 | #include <log/log.h> | 
 | #include <perfetto/trace/trace.pb.h> | 
 | #include <cinttypes> | 
 |  | 
 | using namespace std::chrono_literals; | 
 | using testing::_; | 
 | using testing::AtLeast; | 
 | using testing::Contains; | 
 | using FrameTimelineEvent = perfetto::protos::FrameTimelineEvent; | 
 | using ProtoExpectedDisplayFrameStart = | 
 |         perfetto::protos::FrameTimelineEvent_ExpectedDisplayFrameStart; | 
 | using ProtoExpectedSurfaceFrameStart = | 
 |         perfetto::protos::FrameTimelineEvent_ExpectedSurfaceFrameStart; | 
 | using ProtoActualDisplayFrameStart = perfetto::protos::FrameTimelineEvent_ActualDisplayFrameStart; | 
 | using ProtoActualSurfaceFrameStart = perfetto::protos::FrameTimelineEvent_ActualSurfaceFrameStart; | 
 | using ProtoFrameEnd = perfetto::protos::FrameTimelineEvent_FrameEnd; | 
 | using ProtoPresentType = perfetto::protos::FrameTimelineEvent_PresentType; | 
 | using ProtoJankType = perfetto::protos::FrameTimelineEvent_JankType; | 
 | using ProtoPredictionType = perfetto::protos::FrameTimelineEvent_PredictionType; | 
 |  | 
 | namespace android::frametimeline { | 
 |  | 
 | class FrameTimelineTest : public testing::Test { | 
 | public: | 
 |     FrameTimelineTest() { | 
 |         const ::testing::TestInfo* const test_info = | 
 |                 ::testing::UnitTest::GetInstance()->current_test_info(); | 
 |         ALOGD("**** Setting up for %s.%s\n", test_info->test_case_name(), test_info->name()); | 
 |     } | 
 |  | 
 |     ~FrameTimelineTest() { | 
 |         const ::testing::TestInfo* const test_info = | 
 |                 ::testing::UnitTest::GetInstance()->current_test_info(); | 
 |         ALOGD("**** Tearing down after %s.%s\n", test_info->test_case_name(), test_info->name()); | 
 |     } | 
 |  | 
 |     static void SetUpTestSuite() { | 
 |         // Need to initialize tracing in process for testing, and only once per test suite. | 
 |         perfetto::TracingInitArgs args; | 
 |         args.backends = perfetto::kInProcessBackend; | 
 |         perfetto::Tracing::Initialize(args); | 
 |     } | 
 |  | 
 |     void SetUp() override { | 
 |         mTimeStats = std::make_shared<mock::TimeStats>(); | 
 |         mFrameTimeline = std::make_unique<impl::FrameTimeline>(mTimeStats, kSurfaceFlingerPid, | 
 |                                                                kTestThresholds); | 
 |         mFrameTimeline->registerDataSource(); | 
 |         mTokenManager = &mFrameTimeline->mTokenManager; | 
 |         mTraceCookieCounter = &mFrameTimeline->mTraceCookieCounter; | 
 |         maxDisplayFrames = &mFrameTimeline->mMaxDisplayFrames; | 
 |         maxTokens = mTokenManager->kMaxTokens; | 
 |     } | 
 |  | 
 |     // Each tracing session can be used for a single block of Start -> Stop. | 
 |     static std::unique_ptr<perfetto::TracingSession> getTracingSessionForTest() { | 
 |         perfetto::TraceConfig cfg; | 
 |         cfg.set_duration_ms(500); | 
 |         cfg.add_buffers()->set_size_kb(1024); | 
 |         auto* ds_cfg = cfg.add_data_sources()->mutable_config(); | 
 |         ds_cfg->set_name(impl::FrameTimeline::kFrameTimelineDataSource); | 
 |  | 
 |         auto tracingSession = perfetto::Tracing::NewTrace(perfetto::kInProcessBackend); | 
 |         tracingSession->Setup(cfg); | 
 |         return tracingSession; | 
 |     } | 
 |  | 
 |     std::vector<perfetto::protos::TracePacket> readFrameTimelinePacketsBlocking( | 
 |             perfetto::TracingSession* tracingSession) { | 
 |         std::vector<char> raw_trace = tracingSession->ReadTraceBlocking(); | 
 |         perfetto::protos::Trace trace; | 
 |         EXPECT_TRUE(trace.ParseFromArray(raw_trace.data(), int(raw_trace.size()))); | 
 |  | 
 |         std::vector<perfetto::protos::TracePacket> packets; | 
 |         for (const auto& packet : trace.packet()) { | 
 |             if (!packet.has_frame_timeline_event()) { | 
 |                 continue; | 
 |             } | 
 |             packets.emplace_back(packet); | 
 |         } | 
 |         return packets; | 
 |     } | 
 |  | 
 |     void addEmptyDisplayFrame() { | 
 |         auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |         // Trigger a flushPresentFence by calling setSfPresent for the next frame | 
 |         mFrameTimeline->setSfPresent(2500, presentFence1); | 
 |     } | 
 |  | 
 |     void flushTokens() { | 
 |         for (size_t i = 0; i < maxTokens; i++) { | 
 |             mTokenManager->generateTokenForPredictions({}); | 
 |         } | 
 |         EXPECT_EQ(getPredictions().size(), maxTokens); | 
 |     } | 
 |  | 
 |     SurfaceFrame& getSurfaceFrame(size_t displayFrameIdx, size_t surfaceFrameIdx) { | 
 |         std::lock_guard<std::mutex> lock(mFrameTimeline->mMutex); | 
 |         return *(mFrameTimeline->mDisplayFrames[displayFrameIdx] | 
 |                          ->getSurfaceFrames()[surfaceFrameIdx]); | 
 |     } | 
 |  | 
 |     std::shared_ptr<impl::FrameTimeline::DisplayFrame> getDisplayFrame(size_t idx) { | 
 |         std::lock_guard<std::mutex> lock(mFrameTimeline->mMutex); | 
 |         return mFrameTimeline->mDisplayFrames[idx]; | 
 |     } | 
 |  | 
 |     static bool compareTimelineItems(const TimelineItem& a, const TimelineItem& b) { | 
 |         return a.startTime == b.startTime && a.endTime == b.endTime && | 
 |                 a.presentTime == b.presentTime; | 
 |     } | 
 |  | 
 |     const std::map<int64_t, TimelineItem>& getPredictions() const { | 
 |         return mTokenManager->mPredictions; | 
 |     } | 
 |  | 
 |     uint32_t getNumberOfDisplayFrames() const { | 
 |         std::lock_guard<std::mutex> lock(mFrameTimeline->mMutex); | 
 |         return static_cast<uint32_t>(mFrameTimeline->mDisplayFrames.size()); | 
 |     } | 
 |  | 
 |     int64_t snoopCurrentTraceCookie() const { return mTraceCookieCounter->mTraceCookie; } | 
 |  | 
 |     void flushTrace() { | 
 |         using FrameTimelineDataSource = impl::FrameTimeline::FrameTimelineDataSource; | 
 |         FrameTimelineDataSource::Trace( | 
 |                 [&](FrameTimelineDataSource::TraceContext ctx) { ctx.Flush(); }); | 
 |     } | 
 |  | 
 |     std::shared_ptr<mock::TimeStats> mTimeStats; | 
 |     std::unique_ptr<impl::FrameTimeline> mFrameTimeline; | 
 |     impl::TokenManager* mTokenManager; | 
 |     TraceCookieCounter* mTraceCookieCounter; | 
 |     FenceToFenceTimeMap fenceFactory; | 
 |     uint32_t* maxDisplayFrames; | 
 |     size_t maxTokens; | 
 |     static constexpr pid_t kSurfaceFlingerPid = 666; | 
 |     static constexpr nsecs_t kPresentThreshold = std::chrono::nanoseconds(2ns).count(); | 
 |     static constexpr nsecs_t kDeadlineThreshold = std::chrono::nanoseconds(0ns).count(); | 
 |     static constexpr nsecs_t kStartThreshold = std::chrono::nanoseconds(2ns).count(); | 
 |     static constexpr JankClassificationThresholds kTestThresholds{kPresentThreshold, | 
 |                                                                   kDeadlineThreshold, | 
 |                                                                   kStartThreshold}; | 
 | }; | 
 |  | 
 | static const std::string sLayerNameOne = "layer1"; | 
 | static const std::string sLayerNameTwo = "layer2"; | 
 |  | 
 | constexpr const uid_t sUidOne = 0; | 
 | constexpr pid_t sPidOne = 10; | 
 | constexpr pid_t sPidTwo = 20; | 
 | constexpr int32_t sInputEventId = 5; | 
 | constexpr int32_t sLayerIdOne = 1; | 
 | constexpr int32_t sLayerIdTwo = 2; | 
 | constexpr GameMode sGameMode = GameMode::Unsupported; | 
 |  | 
 | TEST_F(FrameTimelineTest, tokenManagerRemovesStalePredictions) { | 
 |     int64_t token1 = mTokenManager->generateTokenForPredictions({0, 0, 0}); | 
 |     EXPECT_EQ(getPredictions().size(), 1u); | 
 |     flushTokens(); | 
 |     int64_t token2 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     std::optional<TimelineItem> predictions = mTokenManager->getPredictionsForToken(token1); | 
 |  | 
 |     // token1 should have expired | 
 |     EXPECT_EQ(predictions.has_value(), false); | 
 |  | 
 |     predictions = mTokenManager->getPredictionsForToken(token2); | 
 |     EXPECT_EQ(compareTimelineItems(*predictions, TimelineItem(10, 20, 30)), true); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, createSurfaceFrameForToken_getOwnerPidReturnsCorrectPid) { | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({}, sPidOne, sUidOne, sLayerIdOne, | 
 |                                                        sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({}, sPidTwo, sUidOne, sLayerIdOne, | 
 |                                                        sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     EXPECT_EQ(surfaceFrame1->getOwnerPid(), sPidOne); | 
 |     EXPECT_EQ(surfaceFrame2->getOwnerPid(), sPidTwo); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, createSurfaceFrameForToken_noToken) { | 
 |     auto surfaceFrame = | 
 |             mFrameTimeline->createSurfaceFrameForToken({}, sPidOne, sUidOne, sLayerIdOne, | 
 |                                                        sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     EXPECT_EQ(surfaceFrame->getPredictionState(), PredictionState::None); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, createSurfaceFrameForToken_expiredToken) { | 
 |     int64_t token1 = mTokenManager->generateTokenForPredictions({0, 0, 0}); | 
 |     flushTokens(); | 
 |     auto surfaceFrame = | 
 |             mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |  | 
 |     EXPECT_EQ(surfaceFrame->getPredictionState(), PredictionState::Expired); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, createSurfaceFrameForToken_validToken) { | 
 |     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     auto surfaceFrame = | 
 |             mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |  | 
 |     EXPECT_EQ(surfaceFrame->getPredictionState(), PredictionState::Valid); | 
 |     EXPECT_EQ(compareTimelineItems(surfaceFrame->getPredictions(), TimelineItem(10, 20, 30)), true); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, createSurfaceFrameForToken_validInputEventId) { | 
 |     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     constexpr int32_t inputEventId = 1; | 
 |     auto surfaceFrame = | 
 |             mFrameTimeline->createSurfaceFrameForToken({token1, inputEventId}, sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |  | 
 |     EXPECT_EQ(inputEventId, surfaceFrame->getInputEventId()); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_droppedFramesNotUpdated) { | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(token1, 20, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setDropTime(12); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Dropped); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(25, presentFence1); | 
 |     presentFence1->signalForTest(30); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     auto& droppedSurfaceFrame = getSurfaceFrame(0, 0); | 
 |     EXPECT_EQ(droppedSurfaceFrame.getPresentState(), SurfaceFrame::PresentState::Dropped); | 
 |     EXPECT_EQ(0u, droppedSurfaceFrame.getActuals().endTime); | 
 |     EXPECT_EQ(12u, droppedSurfaceFrame.getDropTime()); | 
 |     EXPECT_EQ(droppedSurfaceFrame.getActuals().presentTime, 0); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_presentedFramesUpdated) { | 
 |     // Layer specific increment | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)).Times(2); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 26, 30}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdTwo, sLayerNameTwo, | 
 |                                                        sLayerNameTwo, /*isBuffer*/ true, sGameMode); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     mFrameTimeline->setSfPresent(26, presentFence1); | 
 |     auto displayFrame = getDisplayFrame(0); | 
 |     auto& presentedSurfaceFrame1 = getSurfaceFrame(0, 0); | 
 |     auto& presentedSurfaceFrame2 = getSurfaceFrame(0, 1); | 
 |     presentFence1->signalForTest(42); | 
 |  | 
 |     // Fences haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 0); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getActuals().presentTime, 0); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getActuals().presentTime, 0); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     // Fences have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 42); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getActuals().presentTime, 42); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getActuals().presentTime, 42); | 
 |     EXPECT_NE(surfaceFrame1->getJankType(), std::nullopt); | 
 |     EXPECT_NE(surfaceFrame2->getJankType(), std::nullopt); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, displayFramesSlidingWindowMovesAfterLimit) { | 
 |     // Insert kMaxDisplayFrames' count of DisplayFrames to fill the deque | 
 |     int frameTimeFactor = 0; | 
 |     // Layer specific increment | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)) | 
 |             .Times(static_cast<int32_t>(*maxDisplayFrames)); | 
 |     for (size_t i = 0; i < *maxDisplayFrames; i++) { | 
 |         auto presentFence = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |         int64_t surfaceFrameToken = mTokenManager->generateTokenForPredictions( | 
 |                 {10 + frameTimeFactor, 20 + frameTimeFactor, 30 + frameTimeFactor}); | 
 |         int64_t sfToken = mTokenManager->generateTokenForPredictions( | 
 |                 {22 + frameTimeFactor, 26 + frameTimeFactor, 30 + frameTimeFactor}); | 
 |         auto surfaceFrame = | 
 |                 mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, | 
 |                                                            sPidOne, sUidOne, sLayerIdOne, | 
 |                                                            sLayerNameOne, sLayerNameOne, | 
 |                                                            /*isBuffer*/ true, sGameMode); | 
 |         mFrameTimeline->setSfWakeUp(sfToken, 22 + frameTimeFactor, Fps::fromPeriodNsecs(11)); | 
 |         surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |         mFrameTimeline->addSurfaceFrame(surfaceFrame); | 
 |         mFrameTimeline->setSfPresent(27 + frameTimeFactor, presentFence); | 
 |         presentFence->signalForTest(32 + frameTimeFactor); | 
 |         frameTimeFactor += 30; | 
 |     } | 
 |     auto displayFrame0 = getDisplayFrame(0); | 
 |  | 
 |     // The 0th Display Frame should have actuals 22, 27, 32 | 
 |     EXPECT_EQ(compareTimelineItems(displayFrame0->getActuals(), TimelineItem(22, 27, 32)), true); | 
 |  | 
 |     // Add one more display frame | 
 |     auto presentFence = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken = mTokenManager->generateTokenForPredictions( | 
 |             {10 + frameTimeFactor, 20 + frameTimeFactor, 30 + frameTimeFactor}); | 
 |     int64_t sfToken = mTokenManager->generateTokenForPredictions( | 
 |             {22 + frameTimeFactor, 26 + frameTimeFactor, 30 + frameTimeFactor}); | 
 |     auto surfaceFrame = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     mFrameTimeline->setSfWakeUp(sfToken, 22 + frameTimeFactor, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame); | 
 |     mFrameTimeline->setSfPresent(27 + frameTimeFactor, presentFence); | 
 |     presentFence->signalForTest(32 + frameTimeFactor); | 
 |     displayFrame0 = getDisplayFrame(0); | 
 |  | 
 |     // The window should have slided by 1 now and the previous 0th display frame | 
 |     // should have been removed from the deque | 
 |     EXPECT_EQ(compareTimelineItems(displayFrame0->getActuals(), TimelineItem(52, 57, 62)), true); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, surfaceFrameEndTimeAcquireFenceAfterQueue) { | 
 |     auto surfaceFrame = mFrameTimeline->createSurfaceFrameForToken({}, sPidOne, 0, sLayerIdOne, | 
 |                                                                    "acquireFenceAfterQueue", | 
 |                                                                    "acquireFenceAfterQueue", | 
 |                                                                    /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame->setActualQueueTime(123); | 
 |     surfaceFrame->setAcquireFenceTime(456); | 
 |     EXPECT_EQ(surfaceFrame->getActuals().endTime, 456); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, surfaceFrameEndTimeAcquireFenceBeforeQueue) { | 
 |     auto surfaceFrame = mFrameTimeline->createSurfaceFrameForToken({}, sPidOne, 0, sLayerIdOne, | 
 |                                                                    "acquireFenceAfterQueue", | 
 |                                                                    "acquireFenceAfterQueue", | 
 |                                                                    /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame->setActualQueueTime(456); | 
 |     surfaceFrame->setAcquireFenceTime(123); | 
 |     EXPECT_EQ(surfaceFrame->getActuals().endTime, 456); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, setMaxDisplayFramesSetsSizeProperly) { | 
 |     auto presentFence = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     presentFence->signalForTest(2); | 
 |  | 
 |     // Size shouldn't exceed maxDisplayFrames - 64 | 
 |     for (size_t i = 0; i < *maxDisplayFrames + 10; i++) { | 
 |         auto surfaceFrame = | 
 |                 mFrameTimeline->createSurfaceFrameForToken({}, sPidOne, sUidOne, sLayerIdOne, | 
 |                                                            sLayerNameOne, sLayerNameOne, | 
 |                                                            /*isBuffer*/ true, sGameMode); | 
 |         int64_t sfToken = mTokenManager->generateTokenForPredictions({22, 26, 30}); | 
 |         mFrameTimeline->setSfWakeUp(sfToken, 22, Fps::fromPeriodNsecs(11)); | 
 |         surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |         mFrameTimeline->addSurfaceFrame(surfaceFrame); | 
 |         mFrameTimeline->setSfPresent(27, presentFence); | 
 |     } | 
 |     EXPECT_EQ(getNumberOfDisplayFrames(), *maxDisplayFrames); | 
 |  | 
 |     // Increase the size to 256 | 
 |     mFrameTimeline->setMaxDisplayFrames(256); | 
 |     EXPECT_EQ(*maxDisplayFrames, 256u); | 
 |  | 
 |     for (size_t i = 0; i < *maxDisplayFrames + 10; i++) { | 
 |         auto surfaceFrame = | 
 |                 mFrameTimeline->createSurfaceFrameForToken({}, sPidOne, sUidOne, sLayerIdOne, | 
 |                                                            sLayerNameOne, sLayerNameOne, | 
 |                                                            /*isBuffer*/ true, sGameMode); | 
 |         int64_t sfToken = mTokenManager->generateTokenForPredictions({22, 26, 30}); | 
 |         mFrameTimeline->setSfWakeUp(sfToken, 22, Fps::fromPeriodNsecs(11)); | 
 |         surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |         mFrameTimeline->addSurfaceFrame(surfaceFrame); | 
 |         mFrameTimeline->setSfPresent(27, presentFence); | 
 |     } | 
 |     EXPECT_EQ(getNumberOfDisplayFrames(), *maxDisplayFrames); | 
 |  | 
 |     // Shrink the size to 128 | 
 |     mFrameTimeline->setMaxDisplayFrames(128); | 
 |     EXPECT_EQ(*maxDisplayFrames, 128u); | 
 |  | 
 |     for (size_t i = 0; i < *maxDisplayFrames + 10; i++) { | 
 |         auto surfaceFrame = | 
 |                 mFrameTimeline->createSurfaceFrameForToken({}, sPidOne, sUidOne, sLayerIdOne, | 
 |                                                            sLayerNameOne, sLayerNameOne, | 
 |                                                            /*isBuffer*/ true, sGameMode); | 
 |         int64_t sfToken = mTokenManager->generateTokenForPredictions({22, 26, 30}); | 
 |         mFrameTimeline->setSfWakeUp(sfToken, 22, Fps::fromPeriodNsecs(11)); | 
 |         surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |         mFrameTimeline->addSurfaceFrame(surfaceFrame); | 
 |         mFrameTimeline->setSfPresent(27, presentFence); | 
 |     } | 
 |     EXPECT_EQ(getNumberOfDisplayFrames(), *maxDisplayFrames); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_invalidSignalTime) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(11); | 
 |  | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |     surfaceFrame1->setAcquireFenceTime(20); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |  | 
 |     mFrameTimeline->setSfPresent(59, presentFence1); | 
 |     presentFence1->signalForTest(-1); | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     auto displayFrame0 = getDisplayFrame(0); | 
 |     EXPECT_EQ(displayFrame0->getActuals().presentTime, -1); | 
 |     EXPECT_EQ(displayFrame0->getJankType(), JankType::Unknown); | 
 |     EXPECT_EQ(surfaceFrame1->getActuals().presentTime, -1); | 
 |     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::Unknown); | 
 | } | 
 |  | 
 | // Tests related to TimeStats | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_doesNotReportForInvalidTokens) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(11); | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)).Times(0); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = -1; | 
 |     int64_t sfToken1 = -1; | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |     surfaceFrame1->setAcquireFenceTime(20); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(70); | 
 |  | 
 |     mFrameTimeline->setSfPresent(59, presentFence1); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_reportsLongSfCpu) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(11); | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames( | 
 |                         TimeStats::JankyFramesInfo{refreshRate, std::nullopt, sUidOne, | 
 |                                                    sLayerNameOne, sGameMode, | 
 |                                                    JankType::SurfaceFlingerCpuDeadlineMissed, 2, 10, | 
 |                                                    0})); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |     surfaceFrame1->setAcquireFenceTime(20); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(70); | 
 |  | 
 |     mFrameTimeline->setSfPresent(62, presentFence1); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_reportsLongSfGpu) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(11); | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames( | 
 |                         TimeStats::JankyFramesInfo{refreshRate, std::nullopt, sUidOne, | 
 |                                                    sLayerNameOne, sGameMode, | 
 |                                                    JankType::SurfaceFlingerGpuDeadlineMissed, 4, 10, | 
 |                                                    0})); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto gpuFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |     surfaceFrame1->setAcquireFenceTime(20); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     gpuFence1->signalForTest(64); | 
 |     presentFence1->signalForTest(70); | 
 |  | 
 |     mFrameTimeline->setSfPresent(59, presentFence1, gpuFence1); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_reportsDisplayMiss) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(30); | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames(TimeStats::JankyFramesInfo{refreshRate, std::nullopt, sUidOne, | 
 |                                                                 sLayerNameOne, sGameMode, | 
 |                                                                 JankType::DisplayHAL, -4, 0, 0})); | 
 |  | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     surfaceFrame1->setAcquireFenceTime(20); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(90); | 
 |     mFrameTimeline->setSfPresent(56, presentFence1); | 
 |     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::DisplayHAL); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_reportsAppMiss) { | 
 |     Fps refreshRate = 11_Hz; | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames(TimeStats::JankyFramesInfo{refreshRate, std::nullopt, sUidOne, | 
 |                                                                 sLayerNameOne, sGameMode, | 
 |                                                                 JankType::AppDeadlineMissed, -4, 0, | 
 |                                                                 25})); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(45); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |  | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(90); | 
 |     mFrameTimeline->setSfPresent(86, presentFence1); | 
 |  | 
 |     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::AppDeadlineMissed); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_reportsSfScheduling) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(32); | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames(TimeStats::JankyFramesInfo{refreshRate, std::nullopt, sUidOne, | 
 |                                                                 sLayerNameOne, sGameMode, | 
 |                                                                 JankType::SurfaceFlingerScheduling, | 
 |                                                                 -4, 0, -10})); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({40, 60, 92}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(50); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |  | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(60); | 
 |     mFrameTimeline->setSfPresent(56, presentFence1); | 
 |  | 
 |     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::SurfaceFlingerScheduling); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_reportsSfPredictionError) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(16); | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames(TimeStats::JankyFramesInfo{refreshRate, std::nullopt, sUidOne, | 
 |                                                                 sLayerNameOne, sGameMode, | 
 |                                                                 JankType::PredictionError, -4, 5, | 
 |                                                                 0})); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({30, 40, 60}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(40); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |  | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(65); | 
 |     mFrameTimeline->setSfPresent(56, presentFence1); | 
 |  | 
 |     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::PredictionError); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_reportsAppBufferStuffing) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(32); | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames(TimeStats::JankyFramesInfo{refreshRate, std::nullopt, sUidOne, | 
 |                                                                 sLayerNameOne, sGameMode, | 
 |                                                                 JankType::BufferStuffing, -4, 0, | 
 |                                                                 0})); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({30, 40, 58}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(40); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 82, refreshRate); | 
 |  | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented, | 
 |                                    /*previousLatchTime*/ 56); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(90); | 
 |     mFrameTimeline->setSfPresent(86, presentFence1); | 
 |  | 
 |     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::BufferStuffing); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_reportsAppMissWithRenderRate) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(11); | 
 |     Fps renderRate = Fps::fromPeriodNsecs(30); | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames(TimeStats::JankyFramesInfo{refreshRate, renderRate, sUidOne, | 
 |                                                                 sLayerNameOne, sGameMode, | 
 |                                                                 JankType::AppDeadlineMissed, -4, 0, | 
 |                                                                 25})); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(45); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |  | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     surfaceFrame1->setRenderRate(renderRate); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(90); | 
 |     mFrameTimeline->setSfPresent(86, presentFence1); | 
 |  | 
 |     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::AppDeadlineMissed); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, presentFenceSignaled_displayFramePredictionExpiredPresentsSurfaceFrame) { | 
 |     Fps refreshRate = Fps::fromPeriodNsecs(11); | 
 |     Fps renderRate = Fps::fromPeriodNsecs(30); | 
 |  | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames( | 
 |                         TimeStats::JankyFramesInfo{refreshRate, renderRate, sUidOne, sLayerNameOne, | 
 |                                                    sGameMode, | 
 |                                                    JankType::Unknown | JankType::AppDeadlineMissed, | 
 |                                                    0, 0, 25})); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 60}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({82, 90, 90}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(45); | 
 |     // Trigger a prediction expiry | 
 |     flushTokens(); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, refreshRate); | 
 |  | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     surfaceFrame1->setRenderRate(renderRate); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(90); | 
 |     mFrameTimeline->setSfPresent(86, presentFence1); | 
 |  | 
 |     auto displayFrame = getDisplayFrame(0); | 
 |     EXPECT_EQ(displayFrame->getJankType(), JankType::Unknown); | 
 |     EXPECT_EQ(displayFrame->getFrameStartMetadata(), FrameStartMetadata::UnknownStart); | 
 |     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::UnknownFinish); | 
 |     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::UnknownPresent); | 
 |  | 
 |     EXPECT_EQ(surfaceFrame1->getActuals().presentTime, 90); | 
 |     EXPECT_EQ(surfaceFrame1->getJankType(), JankType::Unknown | JankType::AppDeadlineMissed); | 
 | } | 
 |  | 
 | /* | 
 |  * Tracing Tests | 
 |  * | 
 |  * Trace packets are flushed all the way only when the next packet is traced. | 
 |  * For example: trace<Display/Surface>Frame() will create a TracePacket but not flush it. Only when | 
 |  * another TracePacket is created, the previous one is guaranteed to be flushed. The following tests | 
 |  * will have additional empty frames created for this reason. | 
 |  */ | 
 | TEST_F(FrameTimelineTest, tracing_noPacketsSentWithoutTraceStart) { | 
 |     auto tracingSession = getTracingSessionForTest(); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(token1, 20, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Dropped); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(25, presentFence1); | 
 |     presentFence1->signalForTest(30); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     auto packets = readFrameTimelinePacketsBlocking(tracingSession.get()); | 
 |     EXPECT_EQ(packets.size(), 0u); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, tracing_sanityTest) { | 
 |     auto tracingSession = getTracingSessionForTest(); | 
 |     // Layer specific increment | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |  | 
 |     tracingSession->StartBlocking(); | 
 |     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     int64_t token2 = mTokenManager->generateTokenForPredictions({40, 50, 60}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({token1, sInputEventId}, sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(token2, 20, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(25, presentFence1); | 
 |     presentFence1->signalForTest(30); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     flushTrace(); | 
 |     tracingSession->StopBlocking(); | 
 |  | 
 |     auto packets = readFrameTimelinePacketsBlocking(tracingSession.get()); | 
 |     // Display Frame 1 has 8 packets - 4 from DisplayFrame and 4 from SurfaceFrame. | 
 |     EXPECT_EQ(packets.size(), 8u); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, traceDisplayFrame_invalidTokenDoesNotEmitTracePacket) { | 
 |     auto tracingSession = getTracingSessionForTest(); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |  | 
 |     tracingSession->StartBlocking(); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(-1, 20, Fps::fromPeriodNsecs(11)); | 
 |     mFrameTimeline->setSfPresent(25, presentFence1); | 
 |     presentFence1->signalForTest(30); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     flushTrace(); | 
 |     tracingSession->StopBlocking(); | 
 |  | 
 |     auto packets = readFrameTimelinePacketsBlocking(tracingSession.get()); | 
 |     EXPECT_EQ(packets.size(), 0u); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, traceSurfaceFrame_invalidTokenDoesNotEmitTracePacket) { | 
 |     auto tracingSession = getTracingSessionForTest(); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |  | 
 |     tracingSession->StartBlocking(); | 
 |     int64_t token1 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({}, sPidOne, sUidOne, sLayerIdOne, | 
 |                                                        sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(token1, 20, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Dropped); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(25, presentFence1); | 
 |     presentFence1->signalForTest(30); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     flushTrace(); | 
 |     tracingSession->StopBlocking(); | 
 |  | 
 |     auto packets = readFrameTimelinePacketsBlocking(tracingSession.get()); | 
 |     // Display Frame 1 has 4 packets (SurfaceFrame shouldn't be traced since it has an invalid | 
 |     // token). | 
 |     EXPECT_EQ(packets.size(), 4u); | 
 | } | 
 |  | 
 | ProtoExpectedDisplayFrameStart createProtoExpectedDisplayFrameStart(int64_t cookie, int64_t token, | 
 |                                                                     pid_t pid) { | 
 |     ProtoExpectedDisplayFrameStart proto; | 
 |     proto.set_cookie(cookie); | 
 |     proto.set_token(token); | 
 |     proto.set_pid(pid); | 
 |     return proto; | 
 | } | 
 |  | 
 | ProtoActualDisplayFrameStart createProtoActualDisplayFrameStart( | 
 |         int64_t cookie, int64_t token, pid_t pid, ProtoPresentType presentType, bool onTimeFinish, | 
 |         bool gpuComposition, ProtoJankType jankType, ProtoPredictionType predictionType) { | 
 |     ProtoActualDisplayFrameStart proto; | 
 |     proto.set_cookie(cookie); | 
 |     proto.set_token(token); | 
 |     proto.set_pid(pid); | 
 |     proto.set_present_type(presentType); | 
 |     proto.set_on_time_finish(onTimeFinish); | 
 |     proto.set_gpu_composition(gpuComposition); | 
 |     proto.set_jank_type(jankType); | 
 |     proto.set_prediction_type(predictionType); | 
 |     return proto; | 
 | } | 
 |  | 
 | ProtoExpectedSurfaceFrameStart createProtoExpectedSurfaceFrameStart(int64_t cookie, int64_t token, | 
 |                                                                     int64_t displayFrameToken, | 
 |                                                                     pid_t pid, | 
 |                                                                     std::string layerName) { | 
 |     ProtoExpectedSurfaceFrameStart proto; | 
 |     proto.set_cookie(cookie); | 
 |     proto.set_token(token); | 
 |     proto.set_display_frame_token(displayFrameToken); | 
 |     proto.set_pid(pid); | 
 |     proto.set_layer_name(layerName); | 
 |     return proto; | 
 | } | 
 |  | 
 | ProtoActualSurfaceFrameStart createProtoActualSurfaceFrameStart( | 
 |         int64_t cookie, int64_t token, int64_t displayFrameToken, pid_t pid, std::string layerName, | 
 |         ProtoPresentType presentType, bool onTimeFinish, bool gpuComposition, | 
 |         ProtoJankType jankType, ProtoPredictionType predictionType, bool isBuffer) { | 
 |     ProtoActualSurfaceFrameStart proto; | 
 |     proto.set_cookie(cookie); | 
 |     proto.set_token(token); | 
 |     proto.set_display_frame_token(displayFrameToken); | 
 |     proto.set_pid(pid); | 
 |     proto.set_layer_name(layerName); | 
 |     proto.set_present_type(presentType); | 
 |     proto.set_on_time_finish(onTimeFinish); | 
 |     proto.set_gpu_composition(gpuComposition); | 
 |     proto.set_jank_type(jankType); | 
 |     proto.set_prediction_type(predictionType); | 
 |     proto.set_is_buffer(isBuffer); | 
 |     return proto; | 
 | } | 
 |  | 
 | ProtoFrameEnd createProtoFrameEnd(int64_t cookie) { | 
 |     ProtoFrameEnd proto; | 
 |     proto.set_cookie(cookie); | 
 |     return proto; | 
 | } | 
 |  | 
 | void validateTraceEvent(const ProtoExpectedDisplayFrameStart& received, | 
 |                         const ProtoExpectedDisplayFrameStart& source) { | 
 |     ASSERT_TRUE(received.has_cookie()); | 
 |     EXPECT_EQ(received.cookie(), source.cookie()); | 
 |  | 
 |     ASSERT_TRUE(received.has_token()); | 
 |     EXPECT_EQ(received.token(), source.token()); | 
 |  | 
 |     ASSERT_TRUE(received.has_pid()); | 
 |     EXPECT_EQ(received.pid(), source.pid()); | 
 | } | 
 |  | 
 | void validateTraceEvent(const ProtoActualDisplayFrameStart& received, | 
 |                         const ProtoActualDisplayFrameStart& source) { | 
 |     ASSERT_TRUE(received.has_cookie()); | 
 |     EXPECT_EQ(received.cookie(), source.cookie()); | 
 |  | 
 |     ASSERT_TRUE(received.has_token()); | 
 |     EXPECT_EQ(received.token(), source.token()); | 
 |  | 
 |     ASSERT_TRUE(received.has_pid()); | 
 |     EXPECT_EQ(received.pid(), source.pid()); | 
 |  | 
 |     ASSERT_TRUE(received.has_present_type()); | 
 |     EXPECT_EQ(received.present_type(), source.present_type()); | 
 |     ASSERT_TRUE(received.has_on_time_finish()); | 
 |     EXPECT_EQ(received.on_time_finish(), source.on_time_finish()); | 
 |     ASSERT_TRUE(received.has_gpu_composition()); | 
 |     EXPECT_EQ(received.gpu_composition(), source.gpu_composition()); | 
 |     ASSERT_TRUE(received.has_jank_type()); | 
 |     EXPECT_EQ(received.jank_type(), source.jank_type()); | 
 |     ASSERT_TRUE(received.has_prediction_type()); | 
 |     EXPECT_EQ(received.prediction_type(), source.prediction_type()); | 
 | } | 
 |  | 
 | void validateTraceEvent(const ProtoExpectedSurfaceFrameStart& received, | 
 |                         const ProtoExpectedSurfaceFrameStart& source) { | 
 |     ASSERT_TRUE(received.has_cookie()); | 
 |     EXPECT_EQ(received.cookie(), source.cookie()); | 
 |  | 
 |     ASSERT_TRUE(received.has_token()); | 
 |     EXPECT_EQ(received.token(), source.token()); | 
 |  | 
 |     ASSERT_TRUE(received.has_display_frame_token()); | 
 |     EXPECT_EQ(received.display_frame_token(), source.display_frame_token()); | 
 |  | 
 |     ASSERT_TRUE(received.has_pid()); | 
 |     EXPECT_EQ(received.pid(), source.pid()); | 
 |  | 
 |     ASSERT_TRUE(received.has_layer_name()); | 
 |     EXPECT_EQ(received.layer_name(), source.layer_name()); | 
 | } | 
 |  | 
 | void validateTraceEvent(const ProtoActualSurfaceFrameStart& received, | 
 |                         const ProtoActualSurfaceFrameStart& source) { | 
 |     ASSERT_TRUE(received.has_cookie()); | 
 |     EXPECT_EQ(received.cookie(), source.cookie()); | 
 |  | 
 |     ASSERT_TRUE(received.has_token()); | 
 |     EXPECT_EQ(received.token(), source.token()); | 
 |  | 
 |     ASSERT_TRUE(received.has_display_frame_token()); | 
 |     EXPECT_EQ(received.display_frame_token(), source.display_frame_token()); | 
 |  | 
 |     ASSERT_TRUE(received.has_pid()); | 
 |     EXPECT_EQ(received.pid(), source.pid()); | 
 |  | 
 |     ASSERT_TRUE(received.has_layer_name()); | 
 |     EXPECT_EQ(received.layer_name(), source.layer_name()); | 
 |  | 
 |     ASSERT_TRUE(received.has_present_type()); | 
 |     EXPECT_EQ(received.present_type(), source.present_type()); | 
 |     ASSERT_TRUE(received.has_on_time_finish()); | 
 |     EXPECT_EQ(received.on_time_finish(), source.on_time_finish()); | 
 |     ASSERT_TRUE(received.has_gpu_composition()); | 
 |     EXPECT_EQ(received.gpu_composition(), source.gpu_composition()); | 
 |     ASSERT_TRUE(received.has_jank_type()); | 
 |     EXPECT_EQ(received.jank_type(), source.jank_type()); | 
 |     ASSERT_TRUE(received.has_prediction_type()); | 
 |     EXPECT_EQ(received.prediction_type(), source.prediction_type()); | 
 |     ASSERT_TRUE(received.has_is_buffer()); | 
 |     EXPECT_EQ(received.is_buffer(), source.is_buffer()); | 
 | } | 
 |  | 
 | void validateTraceEvent(const ProtoFrameEnd& received, const ProtoFrameEnd& source) { | 
 |     ASSERT_TRUE(received.has_cookie()); | 
 |     EXPECT_EQ(received.cookie(), source.cookie()); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, traceDisplayFrame_emitsValidTracePacket) { | 
 |     auto tracingSession = getTracingSessionForTest(); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |  | 
 |     tracingSession->StartBlocking(); | 
 |     int64_t displayFrameToken1 = mTokenManager->generateTokenForPredictions({10, 30, 30}); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(displayFrameToken1, 20, Fps::fromPeriodNsecs(11)); | 
 |     mFrameTimeline->setSfPresent(26, presentFence1); | 
 |     presentFence1->signalForTest(31); | 
 |  | 
 |     int64_t traceCookie = snoopCurrentTraceCookie(); | 
 |     auto protoExpectedDisplayFrameStart = | 
 |             createProtoExpectedDisplayFrameStart(traceCookie + 1, displayFrameToken1, | 
 |                                                  kSurfaceFlingerPid); | 
 |     auto protoExpectedDisplayFrameEnd = createProtoFrameEnd(traceCookie + 1); | 
 |     auto protoActualDisplayFrameStart = | 
 |             createProtoActualDisplayFrameStart(traceCookie + 2, displayFrameToken1, | 
 |                                                kSurfaceFlingerPid, | 
 |                                                FrameTimelineEvent::PRESENT_ON_TIME, true, false, | 
 |                                                FrameTimelineEvent::JANK_NONE, | 
 |                                                FrameTimelineEvent::PREDICTION_VALID); | 
 |     auto protoActualDisplayFrameEnd = createProtoFrameEnd(traceCookie + 2); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     flushTrace(); | 
 |     tracingSession->StopBlocking(); | 
 |  | 
 |     auto packets = readFrameTimelinePacketsBlocking(tracingSession.get()); | 
 |     EXPECT_EQ(packets.size(), 4u); | 
 |  | 
 |     // Packet - 0 : ExpectedDisplayFrameStart | 
 |     const auto& packet0 = packets[0]; | 
 |     ASSERT_TRUE(packet0.has_timestamp()); | 
 |     EXPECT_EQ(packet0.timestamp(), 10u); | 
 |     ASSERT_TRUE(packet0.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event0 = packet0.frame_timeline_event(); | 
 |     ASSERT_TRUE(event0.has_expected_display_frame_start()); | 
 |     const auto& expectedDisplayFrameStart = event0.expected_display_frame_start(); | 
 |     validateTraceEvent(expectedDisplayFrameStart, protoExpectedDisplayFrameStart); | 
 |  | 
 |     // Packet - 1 : FrameEnd (ExpectedDisplayFrame) | 
 |     const auto& packet1 = packets[1]; | 
 |     ASSERT_TRUE(packet1.has_timestamp()); | 
 |     EXPECT_EQ(packet1.timestamp(), 30u); | 
 |     ASSERT_TRUE(packet1.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event1 = packet1.frame_timeline_event(); | 
 |     ASSERT_TRUE(event1.has_frame_end()); | 
 |     const auto& expectedDisplayFrameEnd = event1.frame_end(); | 
 |     validateTraceEvent(expectedDisplayFrameEnd, protoExpectedDisplayFrameEnd); | 
 |  | 
 |     // Packet - 2 : ActualDisplayFrameStart | 
 |     const auto& packet2 = packets[2]; | 
 |     ASSERT_TRUE(packet2.has_timestamp()); | 
 |     EXPECT_EQ(packet2.timestamp(), 20u); | 
 |     ASSERT_TRUE(packet2.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event2 = packet2.frame_timeline_event(); | 
 |     ASSERT_TRUE(event2.has_actual_display_frame_start()); | 
 |     const auto& actualDisplayFrameStart = event2.actual_display_frame_start(); | 
 |     validateTraceEvent(actualDisplayFrameStart, protoActualDisplayFrameStart); | 
 |  | 
 |     // Packet - 3 : FrameEnd (ActualDisplayFrame) | 
 |     const auto& packet3 = packets[3]; | 
 |     ASSERT_TRUE(packet3.has_timestamp()); | 
 |     EXPECT_EQ(packet3.timestamp(), 31u); | 
 |     ASSERT_TRUE(packet3.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event3 = packet3.frame_timeline_event(); | 
 |     ASSERT_TRUE(event3.has_frame_end()); | 
 |     const auto& actualDisplayFrameEnd = event3.frame_end(); | 
 |     validateTraceEvent(actualDisplayFrameEnd, protoActualDisplayFrameEnd); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, traceDisplayFrame_predictionExpiredDoesNotTraceExpectedTimeline) { | 
 |     auto tracingSession = getTracingSessionForTest(); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |  | 
 |     tracingSession->StartBlocking(); | 
 |     int64_t displayFrameToken1 = mTokenManager->generateTokenForPredictions({10, 25, 30}); | 
 |     // Flush the token so that it would expire | 
 |     flushTokens(); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(displayFrameToken1, 20, Fps::fromPeriodNsecs(11)); | 
 |     mFrameTimeline->setSfPresent(26, presentFence1); | 
 |     presentFence1->signalForTest(31); | 
 |  | 
 |     int64_t traceCookie = snoopCurrentTraceCookie(); | 
 |  | 
 |     auto protoActualDisplayFrameStart = | 
 |             createProtoActualDisplayFrameStart(traceCookie + 1, displayFrameToken1, | 
 |                                                kSurfaceFlingerPid, | 
 |                                                FrameTimelineEvent::PRESENT_UNSPECIFIED, false, | 
 |                                                false, FrameTimelineEvent::JANK_UNKNOWN, | 
 |                                                FrameTimelineEvent::PREDICTION_EXPIRED); | 
 |     auto protoActualDisplayFrameEnd = createProtoFrameEnd(traceCookie + 1); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     flushTrace(); | 
 |     tracingSession->StopBlocking(); | 
 |  | 
 |     auto packets = readFrameTimelinePacketsBlocking(tracingSession.get()); | 
 |     // Only actual timeline packets should be in the trace | 
 |     EXPECT_EQ(packets.size(), 2u); | 
 |  | 
 |     // Packet - 0 : ActualDisplayFrameStart | 
 |     const auto& packet0 = packets[0]; | 
 |     ASSERT_TRUE(packet0.has_timestamp()); | 
 |     EXPECT_EQ(packet0.timestamp(), 20u); | 
 |     ASSERT_TRUE(packet0.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event0 = packet0.frame_timeline_event(); | 
 |     ASSERT_TRUE(event0.has_actual_display_frame_start()); | 
 |     const auto& actualDisplayFrameStart = event0.actual_display_frame_start(); | 
 |     validateTraceEvent(actualDisplayFrameStart, protoActualDisplayFrameStart); | 
 |  | 
 |     // Packet - 1 : FrameEnd (ActualDisplayFrame) | 
 |     const auto& packet1 = packets[1]; | 
 |     ASSERT_TRUE(packet1.has_timestamp()); | 
 |     EXPECT_EQ(packet1.timestamp(), 31u); | 
 |     ASSERT_TRUE(packet1.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event1 = packet1.frame_timeline_event(); | 
 |     ASSERT_TRUE(event1.has_frame_end()); | 
 |     const auto& actualDisplayFrameEnd = event1.frame_end(); | 
 |     validateTraceEvent(actualDisplayFrameEnd, protoActualDisplayFrameEnd); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, traceSurfaceFrame_emitsValidTracePacket) { | 
 |     auto tracingSession = getTracingSessionForTest(); | 
 |     // Layer specific increment | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |  | 
 |     tracingSession->StartBlocking(); | 
 |     int64_t surfaceFrameToken = mTokenManager->generateTokenForPredictions({10, 25, 40}); | 
 |     int64_t displayFrameToken1 = mTokenManager->generateTokenForPredictions({30, 35, 40}); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setActualQueueTime(10); | 
 |     surfaceFrame1->setDropTime(15); | 
 |  | 
 |     surfaceFrame2->setActualQueueTime(15); | 
 |     surfaceFrame2->setAcquireFenceTime(20); | 
 |  | 
 |     // First 2 cookies will be used by the DisplayFrame | 
 |     int64_t traceCookie = snoopCurrentTraceCookie() + 2; | 
 |  | 
 |     auto protoDroppedSurfaceFrameExpectedStart = | 
 |             createProtoExpectedSurfaceFrameStart(traceCookie + 1, surfaceFrameToken, | 
 |                                                  displayFrameToken1, sPidOne, sLayerNameOne); | 
 |     auto protoDroppedSurfaceFrameExpectedEnd = createProtoFrameEnd(traceCookie + 1); | 
 |     auto protoDroppedSurfaceFrameActualStart = | 
 |             createProtoActualSurfaceFrameStart(traceCookie + 2, surfaceFrameToken, | 
 |                                                displayFrameToken1, sPidOne, sLayerNameOne, | 
 |                                                FrameTimelineEvent::PRESENT_DROPPED, false, false, | 
 |                                                FrameTimelineEvent::JANK_NONE, | 
 |                                                FrameTimelineEvent::PREDICTION_VALID, true); | 
 |     auto protoDroppedSurfaceFrameActualEnd = createProtoFrameEnd(traceCookie + 2); | 
 |  | 
 |     auto protoPresentedSurfaceFrameExpectedStart = | 
 |             createProtoExpectedSurfaceFrameStart(traceCookie + 3, surfaceFrameToken, | 
 |                                                  displayFrameToken1, sPidOne, sLayerNameOne); | 
 |     auto protoPresentedSurfaceFrameExpectedEnd = createProtoFrameEnd(traceCookie + 3); | 
 |     auto protoPresentedSurfaceFrameActualStart = | 
 |             createProtoActualSurfaceFrameStart(traceCookie + 4, surfaceFrameToken, | 
 |                                                displayFrameToken1, sPidOne, sLayerNameOne, | 
 |                                                FrameTimelineEvent::PRESENT_ON_TIME, true, false, | 
 |                                                FrameTimelineEvent::JANK_NONE, | 
 |                                                FrameTimelineEvent::PREDICTION_VALID, true); | 
 |     auto protoPresentedSurfaceFrameActualEnd = createProtoFrameEnd(traceCookie + 4); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(displayFrameToken1, 20, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Dropped); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     mFrameTimeline->setSfPresent(26, presentFence1); | 
 |     presentFence1->signalForTest(40); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     flushTrace(); | 
 |     tracingSession->StopBlocking(); | 
 |  | 
 |     auto packets = readFrameTimelinePacketsBlocking(tracingSession.get()); | 
 |     // 4 DisplayFrame + 4 DroppedSurfaceFrame + 4 PresentedSurfaceFrame | 
 |     EXPECT_EQ(packets.size(), 12u); | 
 |  | 
 |     // Packet - 4 : ExpectedSurfaceFrameStart1 | 
 |     const auto& packet4 = packets[4]; | 
 |     ASSERT_TRUE(packet4.has_timestamp()); | 
 |     EXPECT_EQ(packet4.timestamp(), 10u); | 
 |     ASSERT_TRUE(packet4.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event4 = packet4.frame_timeline_event(); | 
 |     ASSERT_TRUE(event4.has_expected_surface_frame_start()); | 
 |     const auto& expectedSurfaceFrameStart1 = event4.expected_surface_frame_start(); | 
 |     validateTraceEvent(expectedSurfaceFrameStart1, protoDroppedSurfaceFrameExpectedStart); | 
 |  | 
 |     // Packet - 5 : FrameEnd (ExpectedSurfaceFrame1) | 
 |     const auto& packet5 = packets[5]; | 
 |     ASSERT_TRUE(packet5.has_timestamp()); | 
 |     EXPECT_EQ(packet5.timestamp(), 25u); | 
 |     ASSERT_TRUE(packet5.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event5 = packet5.frame_timeline_event(); | 
 |     ASSERT_TRUE(event5.has_frame_end()); | 
 |     const auto& expectedSurfaceFrameEnd1 = event5.frame_end(); | 
 |     validateTraceEvent(expectedSurfaceFrameEnd1, protoDroppedSurfaceFrameExpectedEnd); | 
 |  | 
 |     // Packet - 6 : ActualSurfaceFrameStart1 | 
 |     const auto& packet6 = packets[6]; | 
 |     ASSERT_TRUE(packet6.has_timestamp()); | 
 |     EXPECT_EQ(packet6.timestamp(), 10u); | 
 |     ASSERT_TRUE(packet6.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event6 = packet6.frame_timeline_event(); | 
 |     ASSERT_TRUE(event6.has_actual_surface_frame_start()); | 
 |     const auto& actualSurfaceFrameStart1 = event6.actual_surface_frame_start(); | 
 |     validateTraceEvent(actualSurfaceFrameStart1, protoDroppedSurfaceFrameActualStart); | 
 |  | 
 |     // Packet - 7 : FrameEnd (ActualSurfaceFrame1) | 
 |     const auto& packet7 = packets[7]; | 
 |     ASSERT_TRUE(packet7.has_timestamp()); | 
 |     EXPECT_EQ(packet7.timestamp(), 15u); | 
 |     ASSERT_TRUE(packet7.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event7 = packet7.frame_timeline_event(); | 
 |     ASSERT_TRUE(event7.has_frame_end()); | 
 |     const auto& actualSurfaceFrameEnd1 = event7.frame_end(); | 
 |     validateTraceEvent(actualSurfaceFrameEnd1, protoDroppedSurfaceFrameActualEnd); | 
 |  | 
 |     // Packet - 8 : ExpectedSurfaceFrameStart2 | 
 |     const auto& packet8 = packets[8]; | 
 |     ASSERT_TRUE(packet8.has_timestamp()); | 
 |     EXPECT_EQ(packet8.timestamp(), 10u); | 
 |     ASSERT_TRUE(packet8.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event8 = packet8.frame_timeline_event(); | 
 |     ASSERT_TRUE(event8.has_expected_surface_frame_start()); | 
 |     const auto& expectedSurfaceFrameStart2 = event8.expected_surface_frame_start(); | 
 |     validateTraceEvent(expectedSurfaceFrameStart2, protoPresentedSurfaceFrameExpectedStart); | 
 |  | 
 |     // Packet - 9 : FrameEnd (ExpectedSurfaceFrame2) | 
 |     const auto& packet9 = packets[9]; | 
 |     ASSERT_TRUE(packet9.has_timestamp()); | 
 |     EXPECT_EQ(packet9.timestamp(), 25u); | 
 |     ASSERT_TRUE(packet9.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event9 = packet9.frame_timeline_event(); | 
 |     ASSERT_TRUE(event9.has_frame_end()); | 
 |     const auto& expectedSurfaceFrameEnd2 = event9.frame_end(); | 
 |     validateTraceEvent(expectedSurfaceFrameEnd2, protoPresentedSurfaceFrameExpectedEnd); | 
 |  | 
 |     // Packet - 10 : ActualSurfaceFrameStart2 | 
 |     const auto& packet10 = packets[10]; | 
 |     ASSERT_TRUE(packet10.has_timestamp()); | 
 |     EXPECT_EQ(packet10.timestamp(), 10u); | 
 |     ASSERT_TRUE(packet10.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event10 = packet10.frame_timeline_event(); | 
 |     ASSERT_TRUE(event10.has_actual_surface_frame_start()); | 
 |     const auto& actualSurfaceFrameStart2 = event10.actual_surface_frame_start(); | 
 |     validateTraceEvent(actualSurfaceFrameStart2, protoPresentedSurfaceFrameActualStart); | 
 |  | 
 |     // Packet - 11 : FrameEnd (ActualSurfaceFrame2) | 
 |     const auto& packet11 = packets[11]; | 
 |     ASSERT_TRUE(packet11.has_timestamp()); | 
 |     EXPECT_EQ(packet11.timestamp(), 20u); | 
 |     ASSERT_TRUE(packet11.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event11 = packet11.frame_timeline_event(); | 
 |     ASSERT_TRUE(event11.has_frame_end()); | 
 |     const auto& actualSurfaceFrameEnd2 = event11.frame_end(); | 
 |     validateTraceEvent(actualSurfaceFrameEnd2, protoPresentedSurfaceFrameActualEnd); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, traceSurfaceFrame_predictionExpiredIsAppMissedDeadline) { | 
 |     auto tracingSession = getTracingSessionForTest(); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |  | 
 |     tracingSession->StartBlocking(); | 
 |     constexpr nsecs_t appStartTime = std::chrono::nanoseconds(10ms).count(); | 
 |     constexpr nsecs_t appEndTime = std::chrono::nanoseconds(20ms).count(); | 
 |     constexpr nsecs_t appPresentTime = std::chrono::nanoseconds(30ms).count(); | 
 |     int64_t surfaceFrameToken = | 
 |             mTokenManager->generateTokenForPredictions({appStartTime, appEndTime, appPresentTime}); | 
 |  | 
 |     // Flush the token so that it would expire | 
 |     flushTokens(); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, /*inputEventId*/ 0}, | 
 |                                                        sPidOne, sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setActualQueueTime(appEndTime); | 
 |     surfaceFrame1->setAcquireFenceTime(appEndTime); | 
 |  | 
 |     constexpr nsecs_t sfStartTime = std::chrono::nanoseconds(20ms).count(); | 
 |     constexpr nsecs_t sfEndTime = std::chrono::nanoseconds(30ms).count(); | 
 |     constexpr nsecs_t sfPresentTime = std::chrono::nanoseconds(30ms).count(); | 
 |     int64_t displayFrameToken = | 
 |             mTokenManager->generateTokenForPredictions({sfStartTime, sfEndTime, sfPresentTime}); | 
 |  | 
 |     // First 2 cookies will be used by the DisplayFrame | 
 |     int64_t traceCookie = snoopCurrentTraceCookie() + 2; | 
 |  | 
 |     auto protoActualSurfaceFrameStart = | 
 |             createProtoActualSurfaceFrameStart(traceCookie + 1, surfaceFrameToken, | 
 |                                                displayFrameToken, sPidOne, sLayerNameOne, | 
 |                                                FrameTimelineEvent::PRESENT_UNSPECIFIED, false, | 
 |                                                false, FrameTimelineEvent::JANK_APP_DEADLINE_MISSED, | 
 |                                                FrameTimelineEvent::PREDICTION_EXPIRED, true); | 
 |     auto protoActualSurfaceFrameEnd = createProtoFrameEnd(traceCookie + 1); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(displayFrameToken, sfStartTime, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(sfEndTime, presentFence1); | 
 |     presentFence1->signalForTest(sfPresentTime); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     flushTrace(); | 
 |     tracingSession->StopBlocking(); | 
 |  | 
 |     auto packets = readFrameTimelinePacketsBlocking(tracingSession.get()); | 
 |     // Display Frame 4 packets + SurfaceFrame 2 packets | 
 |     ASSERT_EQ(packets.size(), 6u); | 
 |  | 
 |     // Packet - 4 : ActualSurfaceFrameStart | 
 |     const auto& packet4 = packets[4]; | 
 |     ASSERT_TRUE(packet4.has_timestamp()); | 
 |     EXPECT_EQ(packet4.timestamp(), | 
 |               static_cast<uint64_t>(appEndTime - SurfaceFrame::kPredictionExpiredStartTimeDelta)); | 
 |     ASSERT_TRUE(packet4.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event4 = packet4.frame_timeline_event(); | 
 |     ASSERT_TRUE(event4.has_actual_surface_frame_start()); | 
 |     const auto& actualSurfaceFrameStart = event4.actual_surface_frame_start(); | 
 |     validateTraceEvent(actualSurfaceFrameStart, protoActualSurfaceFrameStart); | 
 |  | 
 |     // Packet - 5 : FrameEnd (ActualSurfaceFrame) | 
 |     const auto& packet5 = packets[5]; | 
 |     ASSERT_TRUE(packet5.has_timestamp()); | 
 |     EXPECT_EQ(packet5.timestamp(), static_cast<uint64_t>(appEndTime)); | 
 |     ASSERT_TRUE(packet5.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event5 = packet5.frame_timeline_event(); | 
 |     ASSERT_TRUE(event5.has_frame_end()); | 
 |     const auto& actualSurfaceFrameEnd = event5.frame_end(); | 
 |     validateTraceEvent(actualSurfaceFrameEnd, protoActualSurfaceFrameEnd); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, traceSurfaceFrame_predictionExpiredDroppedFramesTracedProperly) { | 
 |     auto tracingSession = getTracingSessionForTest(); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |  | 
 |     tracingSession->StartBlocking(); | 
 |     constexpr nsecs_t appStartTime = std::chrono::nanoseconds(10ms).count(); | 
 |     constexpr nsecs_t appEndTime = std::chrono::nanoseconds(20ms).count(); | 
 |     constexpr nsecs_t appPresentTime = std::chrono::nanoseconds(30ms).count(); | 
 |     int64_t surfaceFrameToken = | 
 |             mTokenManager->generateTokenForPredictions({appStartTime, appEndTime, appPresentTime}); | 
 |  | 
 |     // Flush the token so that it would expire | 
 |     flushTokens(); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, /*inputEventId*/ 0}, | 
 |                                                        sPidOne, sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |  | 
 |     constexpr nsecs_t sfStartTime = std::chrono::nanoseconds(22ms).count(); | 
 |     constexpr nsecs_t sfEndTime = std::chrono::nanoseconds(30ms).count(); | 
 |     constexpr nsecs_t sfPresentTime = std::chrono::nanoseconds(30ms).count(); | 
 |     int64_t displayFrameToken = | 
 |             mTokenManager->generateTokenForPredictions({sfStartTime, sfEndTime, sfPresentTime}); | 
 |  | 
 |     // First 2 cookies will be used by the DisplayFrame | 
 |     int64_t traceCookie = snoopCurrentTraceCookie() + 2; | 
 |  | 
 |     auto protoActualSurfaceFrameStart = | 
 |             createProtoActualSurfaceFrameStart(traceCookie + 1, surfaceFrameToken, | 
 |                                                displayFrameToken, sPidOne, sLayerNameOne, | 
 |                                                FrameTimelineEvent::PRESENT_DROPPED, false, false, | 
 |                                                FrameTimelineEvent::JANK_NONE, | 
 |                                                FrameTimelineEvent::PREDICTION_EXPIRED, true); | 
 |     auto protoActualSurfaceFrameEnd = createProtoFrameEnd(traceCookie + 1); | 
 |  | 
 |     // Set up the display frame | 
 |     mFrameTimeline->setSfWakeUp(displayFrameToken, sfStartTime, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setDropTime(sfStartTime); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Dropped); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(sfEndTime, presentFence1); | 
 |     presentFence1->signalForTest(sfPresentTime); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     flushTrace(); | 
 |     tracingSession->StopBlocking(); | 
 |  | 
 |     auto packets = readFrameTimelinePacketsBlocking(tracingSession.get()); | 
 |     // Display Frame 4 packets + SurfaceFrame 2 packets | 
 |     ASSERT_EQ(packets.size(), 6u); | 
 |  | 
 |     // Packet - 4 : ActualSurfaceFrameStart | 
 |     const auto& packet4 = packets[4]; | 
 |     ASSERT_TRUE(packet4.has_timestamp()); | 
 |     EXPECT_EQ(packet4.timestamp(), | 
 |               static_cast<uint64_t>(sfStartTime - SurfaceFrame::kPredictionExpiredStartTimeDelta)); | 
 |     ASSERT_TRUE(packet4.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event4 = packet4.frame_timeline_event(); | 
 |     ASSERT_TRUE(event4.has_actual_surface_frame_start()); | 
 |     const auto& actualSurfaceFrameStart = event4.actual_surface_frame_start(); | 
 |     validateTraceEvent(actualSurfaceFrameStart, protoActualSurfaceFrameStart); | 
 |  | 
 |     // Packet - 5 : FrameEnd (ActualSurfaceFrame) | 
 |     const auto& packet5 = packets[5]; | 
 |     ASSERT_TRUE(packet5.has_timestamp()); | 
 |     EXPECT_EQ(packet5.timestamp(), static_cast<uint64_t>(sfStartTime)); | 
 |     ASSERT_TRUE(packet5.has_frame_timeline_event()); | 
 |  | 
 |     const auto& event5 = packet5.frame_timeline_event(); | 
 |     ASSERT_TRUE(event5.has_frame_end()); | 
 |     const auto& actualSurfaceFrameEnd = event5.frame_end(); | 
 |     validateTraceEvent(actualSurfaceFrameEnd, protoActualSurfaceFrameEnd); | 
 | } | 
 |  | 
 | // Tests for Jank classification | 
 | TEST_F(FrameTimelineTest, jankClassification_presentOnTimeDoesNotClassify) { | 
 |     // Layer specific increment | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 30, 30}); | 
 |     auto surfaceFrame = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame); | 
 |     mFrameTimeline->setSfPresent(26, presentFence1); | 
 |     auto displayFrame = getDisplayFrame(0); | 
 |     auto& presentedSurfaceFrame = getSurfaceFrame(0, 0); | 
 |     presentFence1->signalForTest(29); | 
 |  | 
 |     // Fences haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 0); | 
 |     EXPECT_EQ(presentedSurfaceFrame.getActuals().presentTime, 0); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     displayFrame = getDisplayFrame(0); | 
 |  | 
 |     // Fences have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 29); | 
 |     EXPECT_EQ(presentedSurfaceFrame.getActuals().presentTime, 29); | 
 |     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent); | 
 |     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame->getJankType(), JankType::None); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_displayFrameOnTimeFinishEarlyPresent) { | 
 |     Fps vsyncRate = Fps::fromPeriodNsecs(11); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 30, 40}); | 
 |     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 70}); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 22, vsyncRate); | 
 |     mFrameTimeline->setSfPresent(26, presentFence1); | 
 |     auto displayFrame = getDisplayFrame(0); | 
 |     presentFence1->signalForTest(30); | 
 |  | 
 |     // Fences for the first frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 0); | 
 |  | 
 |     // Trigger a flush by finalizing the next DisplayFrame | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     mFrameTimeline->setSfWakeUp(sfToken2, 52, vsyncRate); | 
 |     mFrameTimeline->setSfPresent(56, presentFence2); | 
 |     displayFrame = getDisplayFrame(0); | 
 |  | 
 |     // Fences for the first frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 30); | 
 |     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent); | 
 |     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame->getJankType(), JankType::SurfaceFlingerScheduling); | 
 |  | 
 |     // Fences for the second frame haven't been flushed yet, so it should be 0 | 
 |     auto displayFrame2 = getDisplayFrame(1); | 
 |     presentFence2->signalForTest(65); | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0); | 
 |     addEmptyDisplayFrame(); | 
 |     displayFrame2 = getDisplayFrame(1); | 
 |  | 
 |     // Fences for the second frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 65); | 
 |     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent); | 
 |     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame2->getJankType(), JankType::PredictionError); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_displayFrameOnTimeFinishLatePresent) { | 
 |     Fps vsyncRate = Fps::fromPeriodNsecs(11); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 30, 40}); | 
 |     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 70}); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 22, vsyncRate); | 
 |     mFrameTimeline->setSfPresent(26, presentFence1); | 
 |     auto displayFrame = getDisplayFrame(0); | 
 |     presentFence1->signalForTest(50); | 
 |  | 
 |     // Fences for the first frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 0); | 
 |  | 
 |     // Trigger a flush by finalizing the next DisplayFrame | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     mFrameTimeline->setSfWakeUp(sfToken2, 52, vsyncRate); | 
 |     mFrameTimeline->setSfPresent(56, presentFence2); | 
 |     displayFrame = getDisplayFrame(0); | 
 |  | 
 |     // Fences for the first frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 50); | 
 |     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame->getJankType(), JankType::DisplayHAL); | 
 |  | 
 |     // Fences for the second frame haven't been flushed yet, so it should be 0 | 
 |     auto displayFrame2 = getDisplayFrame(1); | 
 |     presentFence2->signalForTest(75); | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     displayFrame2 = getDisplayFrame(1); | 
 |  | 
 |     // Fences for the second frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 75); | 
 |     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame2->getJankType(), JankType::PredictionError); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_displayFrameLateFinishEarlyPresent) { | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({12, 18, 40}); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 12, Fps::fromPeriodNsecs(11)); | 
 |  | 
 |     mFrameTimeline->setSfPresent(22, presentFence1); | 
 |     auto displayFrame = getDisplayFrame(0); | 
 |     presentFence1->signalForTest(28); | 
 |  | 
 |     // Fences haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 0); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |     displayFrame = getDisplayFrame(0); | 
 |  | 
 |     // Fences have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame->getActuals().presentTime, 28); | 
 |     EXPECT_EQ(displayFrame->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent); | 
 |     EXPECT_EQ(displayFrame->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(displayFrame->getJankType(), JankType::SurfaceFlingerScheduling); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_displayFrameLateFinishLatePresent) { | 
 |     /* | 
 |      * Case 1 - cpu time > vsync period but combined time > deadline > deadline -> cpudeadlinemissed | 
 |      * Case 2 - cpu time < vsync period but combined time > deadline -> gpudeadlinemissed | 
 |      * Case 3 - previous frame ran longer -> sf_stuffing | 
 |      * Case 4 - Long cpu under SF stuffing -> cpudeadlinemissed | 
 |      */ | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto presentFence3 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto presentFence4 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto gpuFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto gpuFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto gpuFence3 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto gpuFence4 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 26, 40}); | 
 |     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 60}); | 
 |     int64_t sfToken3 = mTokenManager->generateTokenForPredictions({82, 90, 90}); | 
 |     int64_t sfToken4 = mTokenManager->generateTokenForPredictions({112, 120, 120}); | 
 |  | 
 |     // case 1 - cpu time = 33 - 12 = 21, vsync period = 11 | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 12, Fps::fromPeriodNsecs(11)); | 
 |     mFrameTimeline->setSfPresent(33, presentFence1, gpuFence1); | 
 |     auto displayFrame0 = getDisplayFrame(0); | 
 |     gpuFence1->signalForTest(36); | 
 |     presentFence1->signalForTest(52); | 
 |  | 
 |     // Fences haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame0->getActuals().presentTime, 0); | 
 |  | 
 |     // case 2 - cpu time = 56 - 52 = 4, vsync period = 30 | 
 |     mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(30)); | 
 |     mFrameTimeline->setSfPresent(56, presentFence2, gpuFence2); | 
 |     auto displayFrame1 = getDisplayFrame(1); | 
 |     gpuFence2->signalForTest(76); | 
 |     presentFence2->signalForTest(90); | 
 |  | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 0); | 
 |     // Fences have flushed for first displayFrame, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame0->getActuals().presentTime, 52); | 
 |     EXPECT_EQ(displayFrame0->getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(displayFrame0->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(displayFrame0->getJankType(), JankType::SurfaceFlingerCpuDeadlineMissed); | 
 |  | 
 |     // case 3 - cpu time = 86 - 82 = 4, vsync period = 30 | 
 |     mFrameTimeline->setSfWakeUp(sfToken3, 106, Fps::fromPeriodNsecs(30)); | 
 |     mFrameTimeline->setSfPresent(112, presentFence3, gpuFence3); | 
 |     auto displayFrame2 = getDisplayFrame(2); | 
 |     gpuFence3->signalForTest(116); | 
 |     presentFence3->signalForTest(120); | 
 |  | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0); | 
 |     // Fences have flushed for second displayFrame, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 90); | 
 |     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(displayFrame1->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed); | 
 |  | 
 |     // case 4 - cpu time = 86 - 82 = 4, vsync period = 30 | 
 |     mFrameTimeline->setSfWakeUp(sfToken4, 120, Fps::fromPeriodNsecs(30)); | 
 |     mFrameTimeline->setSfPresent(140, presentFence4, gpuFence4); | 
 |     auto displayFrame3 = getDisplayFrame(3); | 
 |     gpuFence4->signalForTest(156); | 
 |     presentFence4->signalForTest(180); | 
 |  | 
 |     EXPECT_EQ(displayFrame3->getActuals().presentTime, 0); | 
 |     // Fences have flushed for third displayFrame, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 120); | 
 |     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(displayFrame2->getJankType(), JankType::SurfaceFlingerStuffing); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     // Fences have flushed for third displayFrame, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame3->getActuals().presentTime, 180); | 
 |     EXPECT_EQ(displayFrame3->getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(displayFrame3->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(displayFrame3->getJankType(), JankType::SurfaceFlingerGpuDeadlineMissed); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_surfaceFrameOnTimeFinishEarlyPresent) { | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 30, 40}); | 
 |     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 70}); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 16, 40}); | 
 |     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({25, 36, 70}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(16); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(27, presentFence1); | 
 |     auto displayFrame1 = getDisplayFrame(0); | 
 |     auto& presentedSurfaceFrame1 = getSurfaceFrame(0, 0); | 
 |     presentFence1->signalForTest(30); | 
 |  | 
 |     // Fences for the first frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 0); | 
 |     auto actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 0); | 
 |  | 
 |     // Trigger a flush by finalizing the next DisplayFrame | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame2->setAcquireFenceTime(36); | 
 |     mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     mFrameTimeline->setSfPresent(57, presentFence2); | 
 |     auto displayFrame2 = getDisplayFrame(1); | 
 |     auto& presentedSurfaceFrame2 = getSurfaceFrame(1, 0); | 
 |  | 
 |     // Fences for the first frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 30); | 
 |     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent); | 
 |     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame1->getJankType(), JankType::SurfaceFlingerScheduling); | 
 |  | 
 |     actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 30); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::EarlyPresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::SurfaceFlingerScheduling); | 
 |  | 
 |     // Fences for the second frame haven't been flushed yet, so it should be 0 | 
 |     presentFence2->signalForTest(65); | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0); | 
 |     auto actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 0); | 
 |  | 
 |     ::testing::Mock::VerifyAndClearExpectations(mTimeStats.get()); | 
 |  | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames( | 
 |                         TimeStats::JankyFramesInfo{Fps::fromPeriodNsecs(11), std::nullopt, sUidOne, | 
 |                                                    sLayerNameOne, sGameMode, | 
 |                                                    JankType::PredictionError, -3, 5, 0})); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     // Fences for the second frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 65); | 
 |     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::EarlyPresent); | 
 |     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame2->getJankType(), JankType::PredictionError); | 
 |  | 
 |     actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 65); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFramePresentMetadata(), FramePresentMetadata::EarlyPresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), JankType::PredictionError); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_surfaceFrameOnTimeFinishLatePresent) { | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({22, 30, 40}); | 
 |     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({52, 60, 70}); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 16, 40}); | 
 |     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({25, 36, 70}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(16); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 22, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(26, presentFence1); | 
 |     auto displayFrame1 = getDisplayFrame(0); | 
 |     auto& presentedSurfaceFrame1 = getSurfaceFrame(0, 0); | 
 |     presentFence1->signalForTest(50); | 
 |  | 
 |     // Fences for the first frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 0); | 
 |     auto actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 0); | 
 |  | 
 |     // Trigger a flush by finalizing the next DisplayFrame | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame2->setAcquireFenceTime(36); | 
 |     mFrameTimeline->setSfWakeUp(sfToken2, 52, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     mFrameTimeline->setSfPresent(57, presentFence2); | 
 |     auto displayFrame2 = getDisplayFrame(1); | 
 |     auto& presentedSurfaceFrame2 = getSurfaceFrame(1, 0); | 
 |  | 
 |     // Fences for the first frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 50); | 
 |     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame1->getJankType(), JankType::DisplayHAL); | 
 |  | 
 |     actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 50); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::DisplayHAL); | 
 |  | 
 |     // Fences for the second frame haven't been flushed yet, so it should be 0 | 
 |     presentFence2->signalForTest(86); | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0); | 
 |     auto actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 0); | 
 |  | 
 |     ::testing::Mock::VerifyAndClearExpectations(mTimeStats.get()); | 
 |  | 
 |     EXPECT_CALL(*mTimeStats, | 
 |                 incrementJankyFrames( | 
 |                         TimeStats::JankyFramesInfo{Fps::fromPeriodNsecs(11), std::nullopt, sUidOne, | 
 |                                                    sLayerNameOne, sGameMode, | 
 |                                                    JankType::PredictionError, -3, 5, 0})); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     // Fences for the second frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 86); | 
 |     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame2->getJankType(), JankType::PredictionError); | 
 |  | 
 |     actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 86); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), JankType::PredictionError); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_surfaceFrameLateFinishEarlyPresent) { | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)); | 
 |  | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({42, 50, 50}); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 26, 60}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(40); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 42, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(46, presentFence1); | 
 |     auto displayFrame1 = getDisplayFrame(0); | 
 |     auto& presentedSurfaceFrame1 = getSurfaceFrame(0, 0); | 
 |     presentFence1->signalForTest(50); | 
 |  | 
 |     // Fences for the first frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 0); | 
 |     auto actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 0); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     // Fences for the first frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 50); | 
 |     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent); | 
 |     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame1->getJankType(), JankType::None); | 
 |  | 
 |     actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 50); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::EarlyPresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::Unknown); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_surfaceFrameLateFinishLatePresent) { | 
 |     // First frame - DisplayFrame is not janky. This should classify the SurfaceFrame as only | 
 |     // AppDeadlineMissed. Second frame - DisplayFrame is janky. This should propagate DisplayFrame's | 
 |     // jank to the SurfaceFrame along with AppDeadlineMissed. | 
 |  | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)).Times(2); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({32, 40, 40}); | 
 |     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({42, 50, 50}); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({5, 16, 30}); | 
 |     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({25, 36, 50}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(26); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 32, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(36, presentFence1); | 
 |     auto displayFrame1 = getDisplayFrame(0); | 
 |     auto& presentedSurfaceFrame1 = getSurfaceFrame(0, 0); | 
 |     presentFence1->signalForTest(40); | 
 |  | 
 |     // Fences for the first frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 0); | 
 |     auto actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 0); | 
 |  | 
 |     // Trigger a flush by finalizing the next DisplayFrame | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame2->setAcquireFenceTime(40); | 
 |     mFrameTimeline->setSfWakeUp(sfToken2, 43, Fps::fromPeriodNsecs(11)); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     mFrameTimeline->setSfPresent(56, presentFence2); | 
 |     auto displayFrame2 = getDisplayFrame(1); | 
 |     auto& presentedSurfaceFrame2 = getSurfaceFrame(1, 0); | 
 |  | 
 |     // Fences for the first frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 40); | 
 |     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent); | 
 |     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame1->getJankType(), JankType::None); | 
 |  | 
 |     actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 40); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::AppDeadlineMissed); | 
 |  | 
 |     // Fences for the second frame haven't been flushed yet, so it should be 0 | 
 |     presentFence2->signalForTest(60); | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0); | 
 |     auto actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 0); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     // Fences for the second frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 60); | 
 |     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(displayFrame2->getJankType(), JankType::SurfaceFlingerCpuDeadlineMissed); | 
 |  | 
 |     actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 60); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), | 
 |               JankType::SurfaceFlingerCpuDeadlineMissed | JankType::AppDeadlineMissed); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_multiJankBufferStuffingAndAppDeadlineMissed) { | 
 |     // Layer specific increment | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)).Times(2); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({40, 50, 60}); | 
 |  | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60}); | 
 |     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({112, 120, 120}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(50); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, Fps::fromPeriodNsecs(30)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(56, presentFence1); | 
 |     auto displayFrame1 = getDisplayFrame(0); | 
 |     auto& presentedSurfaceFrame1 = getSurfaceFrame(0, 0); | 
 |     presentFence1->signalForTest(60); | 
 |  | 
 |     // Fences for the first frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 0); | 
 |     auto actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 0); | 
 |  | 
 |     // Trigger a flush by finalizing the next DisplayFrame | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame2->setAcquireFenceTime(84); | 
 |     mFrameTimeline->setSfWakeUp(sfToken2, 112, Fps::fromPeriodNsecs(30)); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented, 54); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     mFrameTimeline->setSfPresent(116, presentFence2); | 
 |     auto displayFrame2 = getDisplayFrame(1); | 
 |     auto& presentedSurfaceFrame2 = getSurfaceFrame(1, 0); | 
 |     presentFence2->signalForTest(120); | 
 |  | 
 |     // Fences for the first frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 60); | 
 |     actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.endTime, 50); | 
 |     EXPECT_EQ(actuals1.presentTime, 60); | 
 |  | 
 |     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent); | 
 |     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame1->getJankType(), JankType::None); | 
 |  | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::AppDeadlineMissed); | 
 |  | 
 |     // Fences for the second frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0); | 
 |     auto actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 0); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     // Fences for the second frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 120); | 
 |     actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 120); | 
 |  | 
 |     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent); | 
 |     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame2->getJankType(), JankType::None); | 
 |  | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), | 
 |               JankType::AppDeadlineMissed | JankType::BufferStuffing); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, jankClassification_appDeadlineAdjustedForBufferStuffing) { | 
 |     // Layer specific increment | 
 |     EXPECT_CALL(*mTimeStats, incrementJankyFrames(_)).Times(2); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     int64_t surfaceFrameToken1 = mTokenManager->generateTokenForPredictions({10, 20, 30}); | 
 |     int64_t surfaceFrameToken2 = mTokenManager->generateTokenForPredictions({40, 50, 60}); | 
 |  | 
 |     int64_t sfToken1 = mTokenManager->generateTokenForPredictions({52, 60, 60}); | 
 |     int64_t sfToken2 = mTokenManager->generateTokenForPredictions({82, 90, 90}); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken1, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame1->setAcquireFenceTime(50); | 
 |     mFrameTimeline->setSfWakeUp(sfToken1, 52, Fps::fromPeriodNsecs(30)); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     mFrameTimeline->setSfPresent(56, presentFence1); | 
 |     auto displayFrame1 = getDisplayFrame(0); | 
 |     auto& presentedSurfaceFrame1 = getSurfaceFrame(0, 0); | 
 |     presentFence1->signalForTest(60); | 
 |  | 
 |     // Fences for the first frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 0); | 
 |     auto actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.presentTime, 0); | 
 |  | 
 |     // Trigger a flush by finalizing the next DisplayFrame | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken({surfaceFrameToken2, sInputEventId}, sPidOne, | 
 |                                                        sUidOne, sLayerIdOne, sLayerNameOne, | 
 |                                                        sLayerNameOne, /*isBuffer*/ true, sGameMode); | 
 |     surfaceFrame2->setAcquireFenceTime(80); | 
 |     mFrameTimeline->setSfWakeUp(sfToken2, 82, Fps::fromPeriodNsecs(30)); | 
 |     // Setting previous latch time to 54, adjusted deadline will be 54 + vsyncTime(30) = 84 | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented, 54); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     mFrameTimeline->setSfPresent(86, presentFence2); | 
 |     auto displayFrame2 = getDisplayFrame(1); | 
 |     auto& presentedSurfaceFrame2 = getSurfaceFrame(1, 0); | 
 |     presentFence2->signalForTest(90); | 
 |  | 
 |     // Fences for the first frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame1->getActuals().presentTime, 60); | 
 |     actuals1 = presentedSurfaceFrame1.getActuals(); | 
 |     EXPECT_EQ(actuals1.endTime, 50); | 
 |     EXPECT_EQ(actuals1.presentTime, 60); | 
 |  | 
 |     EXPECT_EQ(displayFrame1->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent); | 
 |     EXPECT_EQ(displayFrame1->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame1->getJankType(), JankType::None); | 
 |  | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getFrameReadyMetadata(), FrameReadyMetadata::LateFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame1.getJankType(), JankType::AppDeadlineMissed); | 
 |  | 
 |     // Fences for the second frame haven't been flushed yet, so it should be 0 | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 0); | 
 |     auto actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 0); | 
 |  | 
 |     addEmptyDisplayFrame(); | 
 |  | 
 |     // Fences for the second frame have flushed, so the present timestamps should be updated | 
 |     EXPECT_EQ(displayFrame2->getActuals().presentTime, 90); | 
 |     actuals2 = presentedSurfaceFrame2.getActuals(); | 
 |     EXPECT_EQ(actuals2.presentTime, 90); | 
 |  | 
 |     EXPECT_EQ(displayFrame2->getFramePresentMetadata(), FramePresentMetadata::OnTimePresent); | 
 |     EXPECT_EQ(displayFrame2->getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(displayFrame2->getJankType(), JankType::None); | 
 |  | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFramePresentMetadata(), FramePresentMetadata::LatePresent); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getFrameReadyMetadata(), FrameReadyMetadata::OnTimeFinish); | 
 |     EXPECT_EQ(presentedSurfaceFrame2.getJankType(), JankType::BufferStuffing); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, computeFps_noLayerIds_returnsZero) { | 
 |     EXPECT_EQ(mFrameTimeline->computeFps({}), 0.0f); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, computeFps_singleDisplayFrame_returnsZero) { | 
 |     const auto oneHundredMs = std::chrono::nanoseconds(100ms).count(); | 
 |  | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(oneHundredMs); | 
 |     mFrameTimeline->setSfPresent(oneHundredMs, presentFence1); | 
 |  | 
 |     EXPECT_EQ(mFrameTimeline->computeFps({sLayerIdOne}), 0.0f); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, computeFps_twoDisplayFrames_oneLayer) { | 
 |     const auto oneHundredMs = std::chrono::nanoseconds(100ms).count(); | 
 |     const auto twoHundredMs = std::chrono::nanoseconds(200ms).count(); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(oneHundredMs); | 
 |     mFrameTimeline->setSfPresent(oneHundredMs, presentFence1); | 
 |  | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     presentFence2->signalForTest(twoHundredMs); | 
 |     mFrameTimeline->setSfPresent(twoHundredMs, presentFence2); | 
 |  | 
 |     EXPECT_EQ(mFrameTimeline->computeFps({sLayerIdOne}), 10.0); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, computeFps_twoDisplayFrames_twoLayers) { | 
 |     const auto oneHundredMs = std::chrono::nanoseconds(100ms).count(); | 
 |     const auto twoHundredMs = std::chrono::nanoseconds(200ms).count(); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(oneHundredMs); | 
 |     mFrameTimeline->setSfPresent(oneHundredMs, presentFence1); | 
 |  | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdTwo, sLayerNameTwo, sLayerNameTwo, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     presentFence2->signalForTest(twoHundredMs); | 
 |     mFrameTimeline->setSfPresent(twoHundredMs, presentFence2); | 
 |  | 
 |     EXPECT_EQ(mFrameTimeline->computeFps({sLayerIdOne, sLayerIdTwo}), 10.0f); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, computeFps_filtersOutLayers) { | 
 |     const auto oneHundredMs = std::chrono::nanoseconds(100ms).count(); | 
 |     const auto twoHundredMs = std::chrono::nanoseconds(200ms).count(); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(oneHundredMs); | 
 |     mFrameTimeline->setSfPresent(oneHundredMs, presentFence1); | 
 |  | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdTwo, sLayerNameTwo, sLayerNameTwo, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     presentFence2->signalForTest(twoHundredMs); | 
 |     mFrameTimeline->setSfPresent(twoHundredMs, presentFence2); | 
 |  | 
 |     EXPECT_EQ(mFrameTimeline->computeFps({sLayerIdOne}), 0.0f); | 
 | } | 
 |  | 
 | TEST_F(FrameTimelineTest, computeFps_averagesOverMultipleFrames) { | 
 |     const auto oneHundredMs = std::chrono::nanoseconds(100ms).count(); | 
 |     const auto twoHundredMs = std::chrono::nanoseconds(200ms).count(); | 
 |     const auto threeHundredMs = std::chrono::nanoseconds(300ms).count(); | 
 |     const auto fiveHundredMs = std::chrono::nanoseconds(500ms).count(); | 
 |     const auto sixHundredMs = std::chrono::nanoseconds(600ms).count(); | 
 |     auto surfaceFrame1 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence1 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame1->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame1); | 
 |     presentFence1->signalForTest(oneHundredMs); | 
 |     mFrameTimeline->setSfPresent(oneHundredMs, presentFence1); | 
 |  | 
 |     auto surfaceFrame2 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence2 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame2->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame2); | 
 |     presentFence2->signalForTest(twoHundredMs); | 
 |     mFrameTimeline->setSfPresent(twoHundredMs, presentFence2); | 
 |  | 
 |     auto surfaceFrame3 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdTwo, sLayerNameTwo, sLayerNameTwo, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence3 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame3->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame3); | 
 |     presentFence3->signalForTest(threeHundredMs); | 
 |     mFrameTimeline->setSfPresent(threeHundredMs, presentFence3); | 
 |  | 
 |     auto surfaceFrame4 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence4 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     surfaceFrame4->setPresentState(SurfaceFrame::PresentState::Presented); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame4); | 
 |     presentFence4->signalForTest(fiveHundredMs); | 
 |     mFrameTimeline->setSfPresent(fiveHundredMs, presentFence4); | 
 |  | 
 |     auto surfaceFrame5 = | 
 |             mFrameTimeline->createSurfaceFrameForToken(FrameTimelineInfo(), sPidOne, sUidOne, | 
 |                                                        sLayerIdOne, sLayerNameOne, sLayerNameOne, | 
 |                                                        /*isBuffer*/ true, sGameMode); | 
 |     auto presentFence5 = fenceFactory.createFenceTimeForTest(Fence::NO_FENCE); | 
 |     // Dropped frames will be excluded from fps computation | 
 |     surfaceFrame5->setPresentState(SurfaceFrame::PresentState::Dropped); | 
 |     mFrameTimeline->addSurfaceFrame(surfaceFrame5); | 
 |     presentFence5->signalForTest(sixHundredMs); | 
 |     mFrameTimeline->setSfPresent(sixHundredMs, presentFence5); | 
 |  | 
 |     EXPECT_EQ(mFrameTimeline->computeFps({sLayerIdOne}), 5.0f); | 
 | } | 
 |  | 
 | } // namespace android::frametimeline |