127 lines
5.0 KiB
C++
127 lines
5.0 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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#include <gtest/gtest.h>
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#include <random>
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#include <set>
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#include "adaptivecpu/Model.h"
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#include "mocks.h"
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using std::chrono_literals::operator""ns;
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using testing::_;
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using testing::ByMove;
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using testing::Return;
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using testing::UnorderedElementsAre;
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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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TEST(ModelTest, ModelInput_SetCpuFreqiencies) {
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const ModelInput expected{
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.cpuPolicyAverageFrequencyHz = {100, 101, 102},
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};
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ModelInput actual;
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ASSERT_TRUE(actual.SetCpuFreqiencies({
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{.policyId = 0, .averageFrequencyHz = 100},
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{.policyId = 4, .averageFrequencyHz = 101},
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{.policyId = 6, .averageFrequencyHz = 102},
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}));
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ASSERT_EQ(actual, expected);
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}
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TEST(ModelTest, ModelInput_SetCpuFreqiencies_failsWithOutOfOrderFrquencies) {
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ASSERT_FALSE(ModelInput().SetCpuFreqiencies({
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{.policyId = 0, .averageFrequencyHz = 100},
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{.policyId = 6, .averageFrequencyHz = 102},
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{.policyId = 4, .averageFrequencyHz = 101},
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}));
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}
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TEST(ModelTest, Run_randomInputs) {
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std::default_random_engine generator;
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std::uniform_real_distribution<double> frequencyDistribution(0, 1e6);
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std::uniform_real_distribution<double> idleTimesDistribution(0, 1);
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std::uniform_int_distribution<uint32_t> frameTimeDistribution(1, 100);
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std::uniform_int_distribution<uint16_t> numRenderedFramesDistribution(1, 20);
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std::uniform_int_distribution<uint32_t> throttleDecisionDistribution(0, 3);
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const auto randomModelInput = [&]() {
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return ModelInput{
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.cpuPolicyAverageFrequencyHz = {frequencyDistribution(generator),
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frequencyDistribution(generator),
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frequencyDistribution(generator)},
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.cpuCoreIdleTimesPercentage =
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{idleTimesDistribution(generator), idleTimesDistribution(generator),
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idleTimesDistribution(generator), idleTimesDistribution(generator),
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idleTimesDistribution(generator), idleTimesDistribution(generator),
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idleTimesDistribution(generator), idleTimesDistribution(generator)},
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.workDurationFeatures =
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{.averageDuration =
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std::chrono::nanoseconds(frameTimeDistribution(generator)),
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.maxDuration = std::chrono::nanoseconds(frameTimeDistribution(generator)),
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.numMissedDeadlines = numRenderedFramesDistribution(generator),
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.numDurations = numRenderedFramesDistribution(generator)},
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.previousThrottleDecision =
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static_cast<ThrottleDecision>(throttleDecisionDistribution(generator)),
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};
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};
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for (int i = 0; i < 10; i++) {
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std::deque<ModelInput> modelInputs{randomModelInput(), randomModelInput(),
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randomModelInput()};
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Model().Run(modelInputs, AdaptiveCpuConfig::DEFAULT);
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}
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}
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TEST(ModelTest, Run_randomThrottling) {
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ModelInput modelInput{
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.cpuPolicyAverageFrequencyHz = {0, 0, 0},
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.cpuCoreIdleTimesPercentage = {0, 0, 0, 0, 0, 0, 0, 0},
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.workDurationFeatures = {.averageDuration = 0ns,
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.maxDuration = 0ns,
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.numMissedDeadlines = 0,
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.numDurations = 0},
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.previousThrottleDecision = ThrottleDecision::NO_THROTTLE,
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};
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std::deque<ModelInput> modelInputs{modelInput, modelInput, modelInput};
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AdaptiveCpuConfig config = AdaptiveCpuConfig::DEFAULT;
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config.randomThrottleOptions = {ThrottleDecision::THROTTLE_70, ThrottleDecision::THROTTLE_80};
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config.randomThrottleDecisionProbability = 1;
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std::set<ThrottleDecision> actualThrottleDecisions;
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Model model;
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for (int i = 0; i < 100; i++) {
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ThrottleDecision throttleDecision = model.Run(modelInputs, config);
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actualThrottleDecisions.insert(throttleDecision);
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}
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ASSERT_THAT(actualThrottleDecisions,
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UnorderedElementsAre(ThrottleDecision::THROTTLE_70, ThrottleDecision::THROTTLE_80));
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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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