110 lines
3.3 KiB
C++
110 lines
3.3 KiB
C++
/*
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* Copyright (C) 2017 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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#pragma once
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#include "utils/Macros.h"
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#include <utils/Timers.h>
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#include <array>
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#include <functional>
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#include <tuple>
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namespace android {
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namespace uirenderer {
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enum JankType {
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kMissedVsync = 0,
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kHighInputLatency,
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kSlowUI,
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kSlowSync,
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kSlowRT,
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// must be last
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NUM_BUCKETS,
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};
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// For testing
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class MockProfileData;
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// Try to keep as small as possible, should match ASHMEM_SIZE in
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// GraphicsStatsService.java
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class ProfileData {
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PREVENT_COPY_AND_ASSIGN(ProfileData);
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public:
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ProfileData() { reset(); }
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void reset();
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void mergeWith(const ProfileData& other);
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void dump(int fd) const;
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uint32_t findPercentile(int percentile) const;
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void reportFrame(int64_t duration);
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void reportJank() { mJankFrameCount++; }
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void reportJankType(JankType type) { mJankTypeCounts[static_cast<int>(type)]++; }
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uint32_t totalFrameCount() const { return mTotalFrameCount; }
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uint32_t jankFrameCount() const { return mJankFrameCount; }
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nsecs_t statsStartTime() const { return mStatStartTime; }
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uint32_t jankTypeCount(JankType type) const { return mJankTypeCounts[static_cast<int>(type)]; }
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struct HistogramEntry {
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uint32_t renderTimeMs;
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uint32_t frameCount;
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};
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void histogramForEach(const std::function<void(HistogramEntry)>& callback) const;
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constexpr static int HistogramSize() {
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return std::tuple_size<decltype(ProfileData::mFrameCounts)>::value
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+ std::tuple_size<decltype(ProfileData::mSlowFrameCounts)>::value;
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}
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// Visible for testing
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static uint32_t frameTimeForFrameCountIndex(uint32_t index);
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static uint32_t frameTimeForSlowFrameCountIndex(uint32_t index);
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private:
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// Open our guts up to unit tests
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friend class MockProfileData;
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std::array <uint32_t, NUM_BUCKETS> mJankTypeCounts;
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// See comments on kBucket* constants for what this holds
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std::array<uint32_t, 57> mFrameCounts;
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// Holds a histogram of frame times in 50ms increments from 150ms to 5s
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std::array<uint16_t, 97> mSlowFrameCounts;
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uint32_t mTotalFrameCount;
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uint32_t mJankFrameCount;
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nsecs_t mStatStartTime;
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};
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// For testing
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class MockProfileData : public ProfileData {
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public:
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std::array<uint32_t, NUM_BUCKETS>& editJankTypeCounts() { return mJankTypeCounts; }
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std::array<uint32_t, 57>& editFrameCounts() { return mFrameCounts; }
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std::array<uint16_t, 97>& editSlowFrameCounts() { return mSlowFrameCounts; }
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uint32_t& editTotalFrameCount() { return mTotalFrameCount; }
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uint32_t& editJankFrameCount() { return mJankFrameCount; }
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nsecs_t& editStatStartTime() { return mStatStartTime; }
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};
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} /* namespace uirenderer */
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} /* namespace android */
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