common/host-side/util/src/com/android/compatibility/common/util/CpuFeatures.java

/*
 * 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.compatibility.common.util;
import com.android.tradefed.device.CollectingOutputReceiver;

import com.android.tradefed.device.DeviceNotAvailableException;
import com.android.tradefed.device.ITestDevice;

/**
 * Host-side utility class for reading properties and gathering information for testing
 * Android device compatibility.
 */
public class CpuFeatures {

    /**
     * Return true if architecture is arm64.
     */
    public static boolean isArm64(ITestDevice device) throws DeviceNotAvailableException {

        CollectingOutputReceiver Out = new CollectingOutputReceiver();
        device.executeShellCommand("uname -m", Out);
        String arch = Out.getOutput().trim();
        return arch.contains("aarch64");
    }
}