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/*
* Copyright (C) 2016 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.tradefed.targetprep;
import com.android.tradefed.build.IBuildInfo;
import com.android.tradefed.build.IDeviceBuildInfo;
import com.android.tradefed.config.Option;
import com.android.tradefed.config.OptionClass;
import com.android.tradefed.device.BackgroundDeviceAction;
import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.device.ITestDevice;
import com.android.tradefed.device.LargeOutputReceiver;
import com.android.tradefed.log.ITestLogger;
import com.android.tradefed.log.LogUtil.CLog;
import com.android.tradefed.result.ByteArrayInputStreamSource;
import com.android.tradefed.result.ITestLoggerReceiver;
import com.android.tradefed.result.InputStreamSource;
import com.android.tradefed.result.LogDataType;
import com.android.tradefed.util.StreamUtil;
/**
* A {@link ITargetCleaner} that runs 'dumpsys meminfo --unreachable -a' to identify the unreachable
* native memory currently held by each process.
* <p>
* Note: this preparer requires N platform or newer.
*/
@OptionClass(alias = "native-leak-collector")
public class NativeLeakCollector implements ITestLoggerReceiver, ITargetCleaner {
private static final String UNREACHABLE_MEMINFO_CMD =
"dumpsys -t 60 meminfo --unreachable -a";
private ITestLogger mTestLogger;
@Option(name = "disable", description = "If this preparer should be disabled.")
private boolean mDisable = false;
@Option(name = "log-filename", description = "The filename to give this log.")
private String mLogFilename = "unreachable-meminfo";
/**
* {@inheritDoc}
*/
@Override
public void setUp(ITestDevice device, IBuildInfo buildInfo)
throws TargetSetupError, BuildError, DeviceNotAvailableException {
// No-op
}
/**
* {@inheritDoc}
*/
@Override
public void tearDown(ITestDevice device, IBuildInfo buildInfo, Throwable e)
throws DeviceNotAvailableException {
if (mDisable || (e instanceof DeviceNotAvailableException)) {
return;
}
String output = device.executeShellCommand(UNREACHABLE_MEMINFO_CMD);
if (output != null && !output.isEmpty()) {
ByteArrayInputStreamSource byteOutput =
new ByteArrayInputStreamSource(output.getBytes());
mTestLogger.testLog(mLogFilename, LogDataType.TEXT, byteOutput);
StreamUtil.cancel(byteOutput);
}
}
/**
* {@inheritDoc}
*/
@Override
public void setTestLogger(ITestLogger testLogger) {
mTestLogger = testLogger;
}
}
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