109 lines
3.7 KiB
C++
109 lines
3.7 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef JANKTRACKER_H_
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#define JANKTRACKER_H_
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#include "FrameInfo.h"
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#include "FrameMetricsReporter.h"
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#include "ProfileData.h"
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#include "ProfileDataContainer.h"
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#include "renderthread/TimeLord.h"
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#include "utils/RingBuffer.h"
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#include <cutils/compiler.h>
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#include <array>
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#include <memory>
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namespace android {
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namespace uirenderer {
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enum class JankTrackerType {
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// The default, means there's no description set
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Generic,
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// The profile data represents a package
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Package,
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// The profile data is for a specific window
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Window,
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};
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// Metadata about the ProfileData being collected
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struct ProfileDataDescription {
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JankTrackerType type;
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std::string name;
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};
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// TODO: Replace DrawProfiler with this
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class JankTracker {
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public:
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explicit JankTracker(ProfileDataContainer* globalData);
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void setDescription(JankTrackerType type, const std::string&& name) {
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mDescription.type = type;
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mDescription.name = name;
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}
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FrameInfo* startFrame() { return &mFrames.next(); }
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void finishFrame(FrameInfo& frame, std::unique_ptr<FrameMetricsReporter>& reporter);
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// Calculates the 'legacy' jank information, i.e. with outdated refresh rate information and
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// without GPU completion or deadlined information.
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void calculateLegacyJank(FrameInfo& frame);
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void dumpStats(int fd) NO_THREAD_SAFETY_ANALYSIS { dumpData(fd, &mDescription, mData.get()); }
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void dumpFrames(int fd);
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void reset();
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// Exposed for FrameInfoVisualizer
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// TODO: Figure out a better way to handle this
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RingBuffer<FrameInfo, 120>& frames() { return mFrames; }
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private:
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void recomputeThresholds(int64_t frameInterval);
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static void dumpData(int fd, const ProfileDataDescription* description,
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const ProfileData* data);
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// Last frame budget for which mThresholds were computed.
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int64_t mThresholdsFrameBudget GUARDED_BY(mDataMutex);
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std::array<int64_t, NUM_BUCKETS> mThresholds GUARDED_BY(mDataMutex);
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int64_t mFrameIntervalLegacy;
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nsecs_t mSwapDeadlineLegacy = -1;
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// The amount of time we will erase from the total duration to account
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// for SF vsync offsets with HWC2 blocking dequeueBuffers.
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// (Vsync + mDequeueBlockTolerance) is the point at which we expect
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// SF to have released the buffer normally, so we will forgive up to that
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// point in time by comparing to (IssueDrawCommandsStart + DequeueDuration)
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// This is only used if we are in pipelined mode and are using HWC2,
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// otherwise it's 0.
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nsecs_t mDequeueTimeForgivenessLegacy = 0;
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nsecs_t mNextFrameStartUnstuffed GUARDED_BY(mDataMutex) = -1;
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ProfileDataContainer mData GUARDED_BY(mDataMutex);
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ProfileDataContainer* mGlobalData GUARDED_BY(mDataMutex);
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ProfileDataDescription mDescription;
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// Ring buffer large enough for 2 seconds worth of frames
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RingBuffer<FrameInfo, 120> mFrames;
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// Mutex to protect acccess to mData and mGlobalData obtained from mGlobalData->getDataMutex
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std::mutex& mDataMutex;
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};
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} /* namespace uirenderer */
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} /* namespace android */
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#endif /* JANKTRACKER_H_ */
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