android13/hardware/google/pixel/power-libperfmgr/adaptivecpu/tests/ModelTest.cpp

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5.0 KiB
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/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <gtest/gtest.h>
#include <random>
#include <set>
#include "adaptivecpu/Model.h"
#include "mocks.h"
using std::chrono_literals::operator""ns;
using testing::_;
using testing::ByMove;
using testing::Return;
using testing::UnorderedElementsAre;
namespace aidl {
namespace google {
namespace hardware {
namespace power {
namespace impl {
namespace pixel {
TEST(ModelTest, ModelInput_SetCpuFreqiencies) {
const ModelInput expected{
.cpuPolicyAverageFrequencyHz = {100, 101, 102},
};
ModelInput actual;
ASSERT_TRUE(actual.SetCpuFreqiencies({
{.policyId = 0, .averageFrequencyHz = 100},
{.policyId = 4, .averageFrequencyHz = 101},
{.policyId = 6, .averageFrequencyHz = 102},
}));
ASSERT_EQ(actual, expected);
}
TEST(ModelTest, ModelInput_SetCpuFreqiencies_failsWithOutOfOrderFrquencies) {
ASSERT_FALSE(ModelInput().SetCpuFreqiencies({
{.policyId = 0, .averageFrequencyHz = 100},
{.policyId = 6, .averageFrequencyHz = 102},
{.policyId = 4, .averageFrequencyHz = 101},
}));
}
TEST(ModelTest, Run_randomInputs) {
std::default_random_engine generator;
std::uniform_real_distribution<double> frequencyDistribution(0, 1e6);
std::uniform_real_distribution<double> idleTimesDistribution(0, 1);
std::uniform_int_distribution<uint32_t> frameTimeDistribution(1, 100);
std::uniform_int_distribution<uint16_t> numRenderedFramesDistribution(1, 20);
std::uniform_int_distribution<uint32_t> throttleDecisionDistribution(0, 3);
const auto randomModelInput = [&]() {
return ModelInput{
.cpuPolicyAverageFrequencyHz = {frequencyDistribution(generator),
frequencyDistribution(generator),
frequencyDistribution(generator)},
.cpuCoreIdleTimesPercentage =
{idleTimesDistribution(generator), idleTimesDistribution(generator),
idleTimesDistribution(generator), idleTimesDistribution(generator),
idleTimesDistribution(generator), idleTimesDistribution(generator),
idleTimesDistribution(generator), idleTimesDistribution(generator)},
.workDurationFeatures =
{.averageDuration =
std::chrono::nanoseconds(frameTimeDistribution(generator)),
.maxDuration = std::chrono::nanoseconds(frameTimeDistribution(generator)),
.numMissedDeadlines = numRenderedFramesDistribution(generator),
.numDurations = numRenderedFramesDistribution(generator)},
.previousThrottleDecision =
static_cast<ThrottleDecision>(throttleDecisionDistribution(generator)),
};
};
for (int i = 0; i < 10; i++) {
std::deque<ModelInput> modelInputs{randomModelInput(), randomModelInput(),
randomModelInput()};
Model().Run(modelInputs, AdaptiveCpuConfig::DEFAULT);
}
}
TEST(ModelTest, Run_randomThrottling) {
ModelInput modelInput{
.cpuPolicyAverageFrequencyHz = {0, 0, 0},
.cpuCoreIdleTimesPercentage = {0, 0, 0, 0, 0, 0, 0, 0},
.workDurationFeatures = {.averageDuration = 0ns,
.maxDuration = 0ns,
.numMissedDeadlines = 0,
.numDurations = 0},
.previousThrottleDecision = ThrottleDecision::NO_THROTTLE,
};
std::deque<ModelInput> modelInputs{modelInput, modelInput, modelInput};
AdaptiveCpuConfig config = AdaptiveCpuConfig::DEFAULT;
config.randomThrottleOptions = {ThrottleDecision::THROTTLE_70, ThrottleDecision::THROTTLE_80};
config.randomThrottleDecisionProbability = 1;
std::set<ThrottleDecision> actualThrottleDecisions;
Model model;
for (int i = 0; i < 100; i++) {
ThrottleDecision throttleDecision = model.Run(modelInputs, config);
actualThrottleDecisions.insert(throttleDecision);
}
ASSERT_THAT(actualThrottleDecisions,
UnorderedElementsAre(ThrottleDecision::THROTTLE_70, ThrottleDecision::THROTTLE_80));
}
} // namespace pixel
} // namespace impl
} // namespace power
} // namespace hardware
} // namespace google
} // namespace aidl