74 lines
2.3 KiB
C++
74 lines
2.3 KiB
C++
/*
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* Copyright (C) 2021 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 <ostream>
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#include "AdaptiveCpuConfig.h"
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#include "ITimeSource.h"
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#include "Model.h"
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#include "TimeSource.h"
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#include "WorkDurationProcessor.h"
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namespace aidl {
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namespace google {
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namespace hardware {
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namespace power {
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namespace impl {
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namespace pixel {
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// Collects statistics about Adaptive CPU.
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// These are only Used during a dumpsys to improve bug report quality.
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class AdaptiveCpuStats {
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public:
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AdaptiveCpuStats() : mTimeSource(std::make_unique<TimeSource>()) {}
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AdaptiveCpuStats(std::unique_ptr<ITimeSource> timeSource)
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: mTimeSource(std::move(timeSource)) {}
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void RegisterStartRun();
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void RegisterSuccessfulRun(ThrottleDecision previousThrottleDecision,
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ThrottleDecision throttleDecision,
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WorkDurationFeatures workDurationFeatures,
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const AdaptiveCpuConfig &config);
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void DumpToStream(std::ostream &stream) const;
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private:
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const std::unique_ptr<ITimeSource> mTimeSource;
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size_t mNumStartedRuns = 0;
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size_t mNumSuccessfulRuns = 0;
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std::chrono::nanoseconds mStartTime;
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std::chrono::nanoseconds mLastRunStartTime;
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std::chrono::nanoseconds mLastRunSuccessTime;
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std::chrono::nanoseconds mTotalRunDuration;
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std::map<ThrottleDecision, size_t> mNumThrottles;
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std::map<ThrottleDecision, std::chrono::nanoseconds> mThrottleDurations;
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std::map<ThrottleDecision, size_t> mNumDurations;
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std::map<ThrottleDecision, size_t> mNumMissedDeadlines;
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static std::string FormatDuration(std::chrono::nanoseconds duration);
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};
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} // namespace pixel
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} // namespace impl
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} // namespace power
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} // namespace hardware
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} // namespace google
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} // namespace aidl
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