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87 lines
2.6 KiB
87 lines
2.6 KiB
/*
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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 <PowerStats.h>
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#include <random>
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namespace aidl {
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namespace android {
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namespace hardware {
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namespace power {
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namespace stats {
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class FakeStateResidencyDataProvider : public PowerStats::IStateResidencyDataProvider {
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public:
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FakeStateResidencyDataProvider(const std::string& name, std::vector<State> states)
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: mName(name), mStates(states) {
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for (const auto& state : mStates) {
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StateResidency r;
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r.id = state.id;
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r.totalTimeInStateMs = 0;
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r.totalStateEntryCount = 0;
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r.lastEntryTimestampMs = 0;
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mResidencies.push_back(r);
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}
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}
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~FakeStateResidencyDataProvider() = default;
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// Methods from PowerStats::IStateResidencyDataProvider
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bool getStateResidencies(
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std::unordered_map<std::string, std::vector<StateResidency>>* residencies) override {
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for (auto& residency : mResidencies) {
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mFakeStateResidency.update(&residency);
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}
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residencies->emplace(mName, mResidencies);
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return true;
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}
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std::unordered_map<std::string, std::vector<State>> getInfo() override {
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return {{mName, mStates}};
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}
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private:
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class FakeStateResidency {
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public:
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FakeStateResidency() : mDistribution(1, 100) {}
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void update(StateResidency* residency) {
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// generates number in the range 1..100
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auto randNum = std::bind(mDistribution, mGenerator);
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residency->totalTimeInStateMs += randNum() * 100;
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residency->totalStateEntryCount += randNum();
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residency->lastEntryTimestampMs += randNum() * 100;
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}
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private:
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std::default_random_engine mGenerator;
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std::uniform_int_distribution<int> mDistribution;
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};
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const std::string mName;
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const std::vector<State> mStates;
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FakeStateResidency mFakeStateResidency;
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std::vector<StateResidency> mResidencies;
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};
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} // namespace stats
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} // namespace power
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} // namespace hardware
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} // namespace android
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} // namespace aidl
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