379f264bb6
Add CLOCK_MONOTONIC to signal when the stat collection started to allow for tracking stats over time Change-Id: Iab7c52f21184eea603ddc8572b9d91a951b45a00
88 lines
2.2 KiB
C++
88 lines
2.2 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 "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 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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// Try to keep as small as possible, should match ASHMEM_SIZE in
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// GraphicsStatsService.java
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struct ProfileData {
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std::array<uint32_t, NUM_BUCKETS> jankTypeCounts;
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// See comments on kBucket* constants for what this holds
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std::array<uint32_t, 55> frameCounts;
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uint32_t totalFrameCount;
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uint32_t jankFrameCount;
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nsecs_t statStartTime;
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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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JankTracker(nsecs_t frameIntervalNanos);
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~JankTracker();
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void addFrame(const FrameInfo& frame);
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void dump(int fd) { dumpData(mData, fd); }
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void reset();
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void switchStorageToAshmem(int ashmemfd);
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uint32_t findPercentile(int p) { return findPercentile(mData, p); }
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ANDROID_API static void dumpBuffer(const void* buffer, size_t bufsize, int fd);
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private:
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void freeData();
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void setFrameInterval(nsecs_t frameIntervalNanos);
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static uint32_t findPercentile(const ProfileData* data, int p);
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static void dumpData(const ProfileData* data, int fd);
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std::array<int64_t, NUM_BUCKETS> mThresholds;
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int64_t mFrameInterval;
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ProfileData* mData;
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bool mIsMapped = false;
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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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