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/*
* Copyright (C) 2017 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.
*/
package com.android.afwtest.tradefed.targetprep.metrics.memory;
import static com.android.afwtest.tradefed.targetprep.metrics.MetricsUtils.toMetricValueMapEntry;
import static com.android.afwtest.tradefed.targetprep.metrics.nano.Metrics.InvocationMetrics.InvocationMetric;
import static com.android.afwtest.tradefed.targetprep.metrics.nano.Metrics.InvocationMetrics.MetricValueMap;
import com.android.afwtest.tradefed.utils.AdbShellUtils;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.device.ITestDevice;
import java.util.Collection;
import java.util.Map;
import java.util.Set;
import java.util.function.Consumer;
import java.util.function.Supplier;
/**
* {@link Runnable} of the task that is executed in equal time intervals and collects memory
* usage information.
*/
public class MemoryCollectorTask implements Runnable {
/**
* {@link MemoryInfoGrouper} collection to be used to emit metrics.
*/
private Collection<MemoryInfoGrouper> mMemoryInfoGroupers;
/**
* Current {@link ITestDevice}.
*/
private ITestDevice mTestDevice;
/**
* {@link Consumer} of collected information.
*/
private Consumer<InvocationMetric> mConsumer;
/**
* Tick counter.
*/
private Supplier<Long> mTickCounter;
/**
* Constructs a new instance of the task.
*
* @param testDevice current {@link ITestDevice}.
* @param consumer {@link Consumer} of collected information.
* @param tickCounter tick counter.
* @param groupers {@link MemoryInfoGrouper} collection to be used to emit metrics.
*/
public MemoryCollectorTask(ITestDevice testDevice,
Consumer<InvocationMetric> consumer,
Supplier<Long> tickCounter,
Collection<MemoryInfoGrouper> groupers) {
mTestDevice = testDevice;
mConsumer = consumer;
mTickCounter = tickCounter;
mMemoryInfoGroupers = groupers;
}
/**
* {@inheritDoc}
*/
@Override
public void run() {
try {
Set<AdbShellUtils.ProcessInfo> ps = AdbShellUtils.getPS(mTestDevice);
Map<Long, Long> memoryInfo = AdbShellUtils.getMemoryInfo(mTestDevice);
MetricValueMap.ValuesEntry tickEntry =
toMetricValueMapEntry("tick", mTickCounter.get());
mMemoryInfoGroupers
.stream()
.map(grouper -> {
Collection<MetricValueMap.ValuesEntry> entries =
grouper.group(ps, memoryInfo);
entries.add(tickEntry);
MetricValueMap.ValuesEntry[] entriesArray =
entries.toArray(new MetricValueMap.ValuesEntry[entries.size()]);
MetricValueMap mapValue = new MetricValueMap();
mapValue.values = entriesArray;
InvocationMetric metric = new InvocationMetric();
metric.metricType = grouper.getMetricType();
metric.setMapValue(mapValue);
return metric;
}).forEach(mConsumer);
} catch (DeviceNotAvailableException ignore) {}
}
}
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