1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include "utils/Macros.h" 20 21 #include <utils/Timers.h> 22 23 #include <array> 24 #include <functional> 25 #include <tuple> 26 27 namespace android { 28 namespace uirenderer { 29 30 enum JankType { 31 kMissedVsync = 0, 32 kHighInputLatency, 33 kSlowUI, 34 kSlowSync, 35 kSlowRT, 36 kMissedDeadline, 37 38 // must be last 39 NUM_BUCKETS, 40 }; 41 42 // For testing 43 class MockProfileData; 44 45 // Try to keep as small as possible, should match ASHMEM_SIZE in 46 // GraphicsStatsService.java 47 class ProfileData { 48 PREVENT_COPY_AND_ASSIGN(ProfileData); 49 50 public: 51 ProfileData() { reset(); } 52 53 void reset(); 54 void mergeWith(const ProfileData& other); 55 void dump(int fd) const; 56 uint32_t findPercentile(int percentile) const; 57 58 void reportFrame(int64_t duration); 59 void reportJank() { mJankFrameCount++; } 60 void reportJankType(JankType type) { mJankTypeCounts[static_cast<int>(type)]++; } 61 62 uint32_t totalFrameCount() const { return mTotalFrameCount; } 63 uint32_t jankFrameCount() const { return mJankFrameCount; } 64 nsecs_t statsStartTime() const { return mStatStartTime; } 65 uint32_t jankTypeCount(JankType type) const { return mJankTypeCounts[static_cast<int>(type)]; } 66 67 struct HistogramEntry { 68 uint32_t renderTimeMs; 69 uint32_t frameCount; 70 }; 71 void histogramForEach(const std::function<void(HistogramEntry)>& callback) const; 72 73 constexpr static int HistogramSize() { 74 return std::tuple_size<decltype(ProfileData::mFrameCounts)>::value + 75 std::tuple_size<decltype(ProfileData::mSlowFrameCounts)>::value; 76 } 77 78 // Visible for testing 79 static uint32_t frameTimeForFrameCountIndex(uint32_t index); 80 static uint32_t frameTimeForSlowFrameCountIndex(uint32_t index); 81 82 private: 83 // Open our guts up to unit tests 84 friend class MockProfileData; 85 86 std::array<uint32_t, NUM_BUCKETS> mJankTypeCounts; 87 // See comments on kBucket* constants for what this holds 88 std::array<uint32_t, 57> mFrameCounts; 89 // Holds a histogram of frame times in 50ms increments from 150ms to 5s 90 std::array<uint16_t, 97> mSlowFrameCounts; 91 92 uint32_t mTotalFrameCount; 93 uint32_t mJankFrameCount; 94 nsecs_t mStatStartTime; 95 }; 96 97 // For testing 98 class MockProfileData : public ProfileData { 99 public: 100 std::array<uint32_t, NUM_BUCKETS>& editJankTypeCounts() { return mJankTypeCounts; } 101 std::array<uint32_t, 57>& editFrameCounts() { return mFrameCounts; } 102 std::array<uint16_t, 97>& editSlowFrameCounts() { return mSlowFrameCounts; } 103 uint32_t& editTotalFrameCount() { return mTotalFrameCount; } 104 uint32_t& editJankFrameCount() { return mJankFrameCount; } 105 nsecs_t& editStatStartTime() { return mStatStartTime; } 106 }; 107 108 } /* namespace uirenderer */ 109 } /* namespace android */ 110
