/* * Copyright (C) 2015 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #ifndef JANKTRACKER_H_ #define JANKTRACKER_H_ #include "FrameInfo.h" #include "renderthread/TimeLord.h" #include "utils/RingBuffer.h" #include <cutils/compiler.h> #include <array> #include <memory> namespace android { namespace uirenderer { enum JankType { kMissedVsync = 0, kHighInputLatency, kSlowUI, kSlowSync, kSlowRT, // must be last NUM_BUCKETS, }; // Try to keep as small as possible, should match ASHMEM_SIZE in // GraphicsStatsService.java struct ProfileData { std::array<uint32_t, NUM_BUCKETS> jankTypeCounts; // See comments on kBucket* constants for what this holds std::array<uint32_t, 55> frameCounts; uint32_t totalFrameCount; uint32_t jankFrameCount; nsecs_t statStartTime; }; // TODO: Replace DrawProfiler with this class JankTracker { public: JankTracker(nsecs_t frameIntervalNanos); ~JankTracker(); void addFrame(const FrameInfo& frame); void dump(int fd) { dumpData(mData, fd); } void reset(); void switchStorageToAshmem(int ashmemfd); uint32_t findPercentile(int p) { return findPercentile(mData, p); } ANDROID_API static void dumpBuffer(const void* buffer, size_t bufsize, int fd); private: void freeData(); void setFrameInterval(nsecs_t frameIntervalNanos); static uint32_t findPercentile(const ProfileData* data, int p); static void dumpData(const ProfileData* data, int fd); std::array<int64_t, NUM_BUCKETS> mThresholds; int64_t mFrameInterval; ProfileData* mData; bool mIsMapped = false; }; } /* namespace uirenderer */ } /* namespace android */ #endif /* JANKTRACKER_H_ */