AppLaunch tests for Wear

Wear needs specific changes that the platform team is unable to support.
Most of this code is an exact copy of the AppLaunch file, with a specific
check to not kill the app is Wear Home.

Change-Id: I2332416d61676b52518d6988849271e0b0777009

3 files changed, 863 insertions, 0 deletions

diff --git a/tests/AppLaunchWear/Android.mk b/tests/AppLaunchWear/Android.mk
new file mode 100644
index 000000000000..ac123e79bcd9
--- /dev/null
+++ b/tests/AppLaunchWear/Android.mk
@@ -0,0 +1,21 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_MODULE_TAGS := tests
+
+# Only compile source java files in this apk.
+LOCAL_SRC_FILES := $(call all-java-files-under, src)
+
+LOCAL_PACKAGE_NAME := AppLaunchWear
+
+LOCAL_CERTIFICATE := platform
+LOCAL_JAVA_LIBRARIES := android.test.base android.test.runner
+
+LOCAL_STATIC_JAVA_LIBRARIES := android-support-test
+
+LOCAL_COMPATIBILITY_SUITE := device-tests
+
+include $(BUILD_PACKAGE)
+
+# Use the following include to make our test apk.
+include $(call all-makefiles-under,$(LOCAL_PATH))
diff --git a/tests/AppLaunchWear/AndroidManifest.xml b/tests/AppLaunchWear/AndroidManifest.xml
new file mode 100644
index 000000000000..7dfd7bafbaaa
--- /dev/null
+++ b/tests/AppLaunchWear/AndroidManifest.xml
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.android.tests.applaunch"
+    android:sharedUserId="android.uid.system" >
+
+   <uses-permission android:name="android.permission.REAL_GET_TASKS" />
+   <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
+
+   <uses-sdk
+        android:minSdkVersion="22"
+        android:targetSdkVersion="24" />
+
+    <instrumentation android:label="Measure app start up time"
+                     android:name="android.test.InstrumentationTestRunner"
+                     android:targetPackage="com.android.tests.applaunch" />
+
+    <application android:label="App Launch Test">
+        <uses-library android:name="android.test.runner" />
+    </application>
+</manifest>
diff --git a/tests/AppLaunchWear/src/com/android/tests/applaunch/AppLaunch.java b/tests/AppLaunchWear/src/com/android/tests/applaunch/AppLaunch.java
new file mode 100644
index 000000000000..f32464bf84c2
--- /dev/null
+++ b/tests/AppLaunchWear/src/com/android/tests/applaunch/AppLaunch.java
@@ -0,0 +1,821 @@
+/*
+ * Copyright (C) 2013 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.tests.applaunch;
+
+import android.accounts.Account;
+import android.accounts.AccountManager;
+import android.app.ActivityManager;
+import android.app.ActivityManager.ProcessErrorStateInfo;
+import android.app.IActivityManager;
+import android.app.UiAutomation;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.pm.ResolveInfo;
+import android.os.Bundle;
+import android.os.ParcelFileDescriptor;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.support.test.rule.logging.AtraceLogger;
+import android.test.InstrumentationTestCase;
+import android.test.InstrumentationTestRunner;
+import android.util.Log;
+
+import java.io.BufferedReader;
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.OutputStreamWriter;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+/**
+ * This test is intended to measure the time it takes for the apps to start.
+ * Names of the applications are passed in command line, and the
+ * test starts each application, and reports the start up time in milliseconds.
+ * The instrumentation expects the following key to be passed on the command line:
+ * apps - A list of applications to start and their corresponding result keys
+ * in the following format:
+ * -e apps <app name>^<result key>|<app name>^<result key>
+ */
+public class AppLaunch extends InstrumentationTestCase {
+
+    private static final int JOIN_TIMEOUT = 10000;
+    private static final String TAG = AppLaunch.class.getSimpleName();
+
+    // optional parameter: comma separated list of required account types before proceeding
+    // with the app launch
+    private static final String KEY_REQUIRED_ACCOUNTS = "required_accounts";
+    private static final String KEY_APPS = "apps";
+    private static final String KEY_TRIAL_LAUNCH = "trial_launch";
+    private static final String KEY_LAUNCH_ITERATIONS = "launch_iterations";
+    private static final String KEY_LAUNCH_ORDER = "launch_order";
+    private static final String KEY_DROP_CACHE = "drop_cache";
+    private static final String KEY_SIMPLEPERF_CMD = "simpleperf_cmd";
+    private static final String KEY_SIMPLEPERF_APP = "simpleperf_app";
+    private static final String KEY_TRACE_ITERATIONS = "trace_iterations";
+    private static final String KEY_LAUNCH_DIRECTORY = "launch_directory";
+    private static final String KEY_TRACE_DIRECTORY = "trace_directory";
+    private static final String KEY_TRACE_CATEGORY = "trace_categories";
+    private static final String KEY_TRACE_BUFFERSIZE = "trace_bufferSize";
+    private static final String KEY_TRACE_DUMPINTERVAL = "tracedump_interval";
+    private static final String KEY_COMPILER_FILTERS = "compiler_filters";
+
+    private static final String SIMPLEPERF_APP_CMD =
+            "simpleperf --log fatal stat --csv -e cpu-cycles,major-faults --app %s & %s";
+    private static final String WEARABLE_ACTION_GOOGLE =
+            "com.google.android.wearable.action.GOOGLE";
+    private static final int INITIAL_LAUNCH_IDLE_TIMEOUT = 5000; // 5s to allow app to idle
+    private static final int POST_LAUNCH_IDLE_TIMEOUT = 750; // 750ms idle for non initial launches
+    private static final int BETWEEN_LAUNCH_SLEEP_TIMEOUT = 5000; // 5s between launching apps
+    private static final String LAUNCH_SUB_DIRECTORY = "launch_logs";
+    private static final String LAUNCH_FILE = "applaunch.txt";
+    private static final String TRACE_SUB_DIRECTORY = "atrace_logs";
+    private static final String DEFAULT_TRACE_CATEGORIES =
+            "sched,freq,gfx,view,dalvik,webview,input,wm,disk,am,wm";
+    private static final String DEFAULT_TRACE_BUFFER_SIZE = "20000";
+    private static final String DEFAULT_TRACE_DUMP_INTERVAL = "10";
+    private static final String TRIAL_LAUNCH = "TRIAL_LAUNCH";
+    private static final String DELIMITER = ",";
+    private static final String DROP_CACHE_SCRIPT = "/data/local/tmp/dropCache.sh";
+    private static final String APP_LAUNCH_CMD = "am start -W -n";
+    private static final String SUCCESS_MESSAGE = "Status: ok";
+    private static final String COMPILE_SUCCESS = "Success";
+    private static final String THIS_TIME = "ThisTime:";
+    private static final String LAUNCH_ITERATION = "LAUNCH_ITERATION - %d";
+    private static final String TRACE_ITERATION = "TRACE_ITERATION-%d";
+    private static final String LAUNCH_ITERATION_PREFIX = "LAUNCH_ITERATION";
+    private static final String TRACE_ITERATION_PREFIX = "TRACE_ITERATION";
+    private static final String LAUNCH_ORDER_CYCLIC = "cyclic";
+    private static final String LAUNCH_ORDER_SEQUENTIAL = "sequential";
+    private static final String COMPILE_CMD = "cmd package compile -f -m %s %s";
+    private static final String SPEED_PROFILE_FILTER = "speed-profile";
+    private static final String VERIFY_FILTER = "verify";
+    private static final String LAUNCH_SCRIPT_NAME = "appLaunch";
+    private static final String WEARABLE_HOME_PACKAGE = "com.google.android.wearable.app";
+
+    private Map<String, Intent> mNameToIntent;
+    private List<LaunchOrder> mLaunchOrderList = new ArrayList<LaunchOrder>();
+    private Map<String, String> mNameToResultKey;
+    private Map<String, Map<String, List<AppLaunchResult>>> mNameToLaunchTime;
+    private IActivityManager mAm;
+    private String mSimplePerfCmd = null;
+    private String mLaunchOrder = null;
+    private boolean mDropCache = false;
+    private int mLaunchIterations = 10;
+    private int mTraceLaunchCount = 0;
+    private String mTraceDirectoryStr = null;
+    private Bundle mResult = new Bundle();
+    private Set<String> mRequiredAccounts;
+    private boolean mTrialLaunch = false;
+    private BufferedWriter mBufferedWriter = null;
+    private boolean mSimplePerfAppOnly = false;
+    private String[] mCompilerFilters = null;
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        getInstrumentation().getUiAutomation().setRotation(UiAutomation.ROTATION_FREEZE_0);
+    }
+
+    @Override
+    protected void tearDown() throws Exception {
+        getInstrumentation().getUiAutomation().setRotation(UiAutomation.ROTATION_UNFREEZE);
+        super.tearDown();
+    }
+
+    private void addLaunchResult(LaunchOrder launch, AppLaunchResult result) {
+        mNameToLaunchTime.get(launch.getApp()).get(launch.getCompilerFilter()).add(result);
+    }
+
+    private boolean hasFailureOnFirstLaunch(LaunchOrder launch) {
+        List<AppLaunchResult> results =
+            mNameToLaunchTime.get(launch.getApp()).get(launch.getCompilerFilter());
+        return (results.size() > 0) && (results.get(0).mLaunchTime < 0);
+    }
+
+    public void testMeasureStartUpTime() throws RemoteException, NameNotFoundException,
+            IOException, InterruptedException {
+        InstrumentationTestRunner instrumentation =
+                (InstrumentationTestRunner)getInstrumentation();
+        Bundle args = instrumentation.getArguments();
+        mAm = ActivityManager.getService();
+        String launchDirectory = args.getString(KEY_LAUNCH_DIRECTORY);
+
+        createMappings();
+        parseArgs(args);
+        checkAccountSignIn();
+
+        // Root directory for applaunch file to log the app launch output
+        // Will be useful in case of simpleperf command is used
+        File launchRootDir = null;
+        if (null != launchDirectory && !launchDirectory.isEmpty()) {
+            launchRootDir = new File(launchDirectory);
+            if (!launchRootDir.exists() && !launchRootDir.mkdirs()) {
+                throw new IOException("Unable to create the destination directory");
+            }
+        }
+
+        try {
+            File launchSubDir = new File(launchRootDir, LAUNCH_SUB_DIRECTORY);
+
+            if (!launchSubDir.exists() && !launchSubDir.mkdirs()) {
+                throw new IOException("Unable to create the lauch file sub directory");
+            }
+            File file = new File(launchSubDir, LAUNCH_FILE);
+            FileOutputStream outputStream = new FileOutputStream(file);
+            mBufferedWriter = new BufferedWriter(new OutputStreamWriter(
+                    outputStream));
+
+            // Root directory for trace file during the launches
+            File rootTrace = null;
+            File rootTraceSubDir = null;
+            int traceBufferSize = 0;
+            int traceDumpInterval = 0;
+            Set<String> traceCategoriesSet = null;
+            if (null != mTraceDirectoryStr && !mTraceDirectoryStr.isEmpty()) {
+                rootTrace = new File(mTraceDirectoryStr);
+                if (!rootTrace.exists() && !rootTrace.mkdirs()) {
+                    throw new IOException("Unable to create the trace directory");
+                }
+                rootTraceSubDir = new File(rootTrace, TRACE_SUB_DIRECTORY);
+                if (!rootTraceSubDir.exists() && !rootTraceSubDir.mkdirs()) {
+                    throw new IOException("Unable to create the trace sub directory");
+                }
+                assertNotNull("Trace iteration parameter is mandatory",
+                        args.getString(KEY_TRACE_ITERATIONS));
+                mTraceLaunchCount = Integer.parseInt(args.getString(KEY_TRACE_ITERATIONS));
+                String traceCategoriesStr = args
+                        .getString(KEY_TRACE_CATEGORY, DEFAULT_TRACE_CATEGORIES);
+                traceBufferSize = Integer.parseInt(args.getString(KEY_TRACE_BUFFERSIZE,
+                        DEFAULT_TRACE_BUFFER_SIZE));
+                traceDumpInterval = Integer.parseInt(args.getString(KEY_TRACE_DUMPINTERVAL,
+                        DEFAULT_TRACE_DUMP_INTERVAL));
+                traceCategoriesSet = new HashSet<String>();
+                if (!traceCategoriesStr.isEmpty()) {
+                    String[] traceCategoriesSplit = traceCategoriesStr.split(DELIMITER);
+                    for (int i = 0; i < traceCategoriesSplit.length; i++) {
+                        traceCategoriesSet.add(traceCategoriesSplit[i]);
+                    }
+                }
+            }
+
+            // Get the app launch order based on launch order, trial launch,
+            // launch iterations and trace iterations
+            setLaunchOrder();
+
+            for (LaunchOrder launch : mLaunchOrderList) {
+                dropCache();
+                String appPkgName = mNameToIntent.get(launch.getApp())
+                        .getComponent().getPackageName();
+
+                // App launch times for trial launch will not be used for final
+                // launch time calculations.
+                if (launch.getLaunchReason().equals(TRIAL_LAUNCH)) {
+                    // In the "applaunch.txt" file, trail launches is referenced using
+                    // "TRIAL_LAUNCH"
+                    if (SPEED_PROFILE_FILTER.equals(launch.getCompilerFilter())) {
+                        assertTrue(String.format("Not able to compile the app : %s", appPkgName),
+                              compileApp(VERIFY_FILTER, appPkgName));
+                    } else if (launch.getCompilerFilter() != null) {
+                        assertTrue(String.format("Not able to compile the app : %s", appPkgName),
+                              compileApp(launch.getCompilerFilter(), appPkgName));
+                    }
+                    // We only need to run a trial for the speed-profile filter, but we always
+                    // run one for "applaunch.txt" consistency.
+                    AppLaunchResult launchResult =
+                        startApp(launch.getApp(), true, launch.getLaunchReason());
+                    if (launchResult.mLaunchTime < 0) {
+                        addLaunchResult(launch, new AppLaunchResult());
+                        // simply pass the app if launch isn't successful
+                        // error should have already been logged by startApp
+                        continue;
+                    }
+                    sleep(INITIAL_LAUNCH_IDLE_TIMEOUT);
+                    if (SPEED_PROFILE_FILTER.equals(launch.getCompilerFilter())) {
+                        // Send SIGUSR1 to force dumping a profile.
+                        String sendSignalCommand =
+                            String.format("killall -s SIGUSR1 %s", appPkgName);
+                        getInstrumentation().getUiAutomation().executeShellCommand(
+                            sendSignalCommand);
+                        assertTrue(String.format("Not able to compile the app : %s", appPkgName),
+                              compileApp(launch.getCompilerFilter(), appPkgName));
+                    }
+                }
+
+                // App launch times used for final calculation
+                else if (launch.getLaunchReason().contains(LAUNCH_ITERATION_PREFIX)) {
+                    AppLaunchResult launchResults = null;
+                    if (hasFailureOnFirstLaunch(launch)) {
+                        // skip if the app has failures while launched first
+                        continue;
+                    }
+                    // In the "applaunch.txt" file app launches are referenced using
+                    // "LAUNCH_ITERATION - ITERATION NUM"
+                    if (appPkgName.contains(WEARABLE_HOME_PACKAGE)) {
+                        launchResults = startApp(launch.getApp(), false, launch.getLaunchReason());
+                    } else {
+                        launchResults = startApp(launch.getApp(), true, launch.getLaunchReason());
+                    }
+                    if (launchResults.mLaunchTime < 0) {
+                        addLaunchResult(launch, new AppLaunchResult());
+                        // if it fails once, skip the rest of the launches
+                        continue;
+                    } else {
+                        addLaunchResult(launch, launchResults);
+                    }
+                    sleep(POST_LAUNCH_IDLE_TIMEOUT);
+                }
+
+                // App launch times for trace launch will not be used for final
+                // launch time calculations.
+                else if (launch.getLaunchReason().contains(TRACE_ITERATION_PREFIX)) {
+                    AtraceLogger atraceLogger = AtraceLogger
+                            .getAtraceLoggerInstance(getInstrumentation());
+                    // Start the trace
+                    try {
+                        atraceLogger.atraceStart(traceCategoriesSet, traceBufferSize,
+                                traceDumpInterval, rootTraceSubDir,
+                                String.format("%s-%s", launch.getApp(), launch.getLaunchReason()));
+                        startApp(launch.getApp(), true, launch.getLaunchReason());
+                        sleep(POST_LAUNCH_IDLE_TIMEOUT);
+                    } finally {
+                        // Stop the trace
+                        atraceLogger.atraceStop();
+                    }
+                }
+                closeApp(launch.getApp(), true);
+                sleep(BETWEEN_LAUNCH_SLEEP_TIMEOUT);
+            }
+        } finally {
+            if (null != mBufferedWriter) {
+                mBufferedWriter.close();
+            }
+        }
+
+        for (String app : mNameToResultKey.keySet()) {
+            for (String compilerFilter : mCompilerFilters) {
+                StringBuilder launchTimes = new StringBuilder();
+                StringBuilder cpuCycles = new StringBuilder();
+                StringBuilder majorFaults = new StringBuilder();
+                for (AppLaunchResult result : mNameToLaunchTime.get(app).get(compilerFilter)) {
+                    launchTimes.append(result.mLaunchTime);
+                    launchTimes.append(",");
+                    if (mSimplePerfAppOnly) {
+                        cpuCycles.append(result.mCpuCycles);
+                        cpuCycles.append(",");
+                        majorFaults.append(result.mMajorFaults);
+                        majorFaults.append(",");
+                    }
+                }
+                String filterName = (compilerFilter == null) ? "" : ("-" + compilerFilter);
+                mResult.putString(mNameToResultKey.get(app) + filterName, launchTimes.toString());
+                if (mSimplePerfAppOnly) {
+                    mResult.putString(mNameToResultKey.get(app) + filterName + "-cpuCycles",
+                        cpuCycles.toString());
+                    mResult.putString(mNameToResultKey.get(app) + filterName + "-majorFaults",
+                        majorFaults.toString());
+                }
+            }
+        }
+        instrumentation.sendStatus(0, mResult);
+    }
+
+    /**
+     * Compile the app package using compilerFilter and return true or false
+     * based on status of the compilation command.
+     */
+    private boolean compileApp(String compilerFilter, String appPkgName) throws IOException {
+        try (ParcelFileDescriptor result = getInstrumentation().getUiAutomation().
+                executeShellCommand(String.format(COMPILE_CMD, compilerFilter, appPkgName));
+                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(
+                        new FileInputStream(result.getFileDescriptor())))) {
+            String line;
+            while ((line = bufferedReader.readLine()) != null) {
+                if (line.contains(COMPILE_SUCCESS)) {
+                    return true;
+                }
+            }
+            return false;
+        }
+    }
+
+    /**
+     * If launch order is "cyclic" then apps will be launched one after the
+     * other for each iteration count.
+     * If launch order is "sequential" then each app will be launched for given number
+     * iterations at once before launching the other apps.
+     */
+    private void setLaunchOrder() {
+        if (LAUNCH_ORDER_CYCLIC.equalsIgnoreCase(mLaunchOrder)) {
+            for (String compilerFilter : mCompilerFilters) {
+                if (mTrialLaunch) {
+                    for (String app : mNameToResultKey.keySet()) {
+                        mLaunchOrderList.add(new LaunchOrder(app, compilerFilter, TRIAL_LAUNCH));
+                    }
+                }
+                for (int launchCount = 0; launchCount < mLaunchIterations; launchCount++) {
+                    for (String app : mNameToResultKey.keySet()) {
+                        mLaunchOrderList.add(new LaunchOrder(app, compilerFilter,
+                                  String.format(LAUNCH_ITERATION, launchCount)));
+                    }
+                }
+                if (mTraceDirectoryStr != null && !mTraceDirectoryStr.isEmpty()) {
+                    for (int traceCount = 0; traceCount < mTraceLaunchCount; traceCount++) {
+                        for (String app : mNameToResultKey.keySet()) {
+                            mLaunchOrderList.add(new LaunchOrder(app, compilerFilter,
+                                      String.format(TRACE_ITERATION, traceCount)));
+                        }
+                    }
+                }
+            }
+        } else if (LAUNCH_ORDER_SEQUENTIAL.equalsIgnoreCase(mLaunchOrder)) {
+            for (String compilerFilter : mCompilerFilters) {
+                for (String app : mNameToResultKey.keySet()) {
+                    if (mTrialLaunch) {
+                        mLaunchOrderList.add(new LaunchOrder(app, compilerFilter, TRIAL_LAUNCH));
+                    }
+                    for (int launchCount = 0; launchCount < mLaunchIterations; launchCount++) {
+                        mLaunchOrderList.add(new LaunchOrder(app, compilerFilter,
+                                String.format(LAUNCH_ITERATION, launchCount)));
+                    }
+                    if (mTraceDirectoryStr != null && !mTraceDirectoryStr.isEmpty()) {
+                        for (int traceCount = 0; traceCount < mTraceLaunchCount; traceCount++) {
+                            mLaunchOrderList.add(new LaunchOrder(app, compilerFilter,
+                                    String.format(TRACE_ITERATION, traceCount)));
+                        }
+                    }
+                }
+            }
+        } else {
+            assertTrue("Launch order is not valid parameter", false);
+        }
+    }
+
+    private void dropCache() {
+        if (mDropCache) {
+            assertNotNull("Issue in dropping the cache",
+                    getInstrumentation().getUiAutomation()
+                            .executeShellCommand(DROP_CACHE_SCRIPT));
+        }
+    }
+
+    private void parseArgs(Bundle args) {
+        mNameToResultKey = new LinkedHashMap<String, String>();
+        mNameToLaunchTime = new HashMap<>();
+        String launchIterations = args.getString(KEY_LAUNCH_ITERATIONS);
+        if (launchIterations != null) {
+            mLaunchIterations = Integer.parseInt(launchIterations);
+        }
+        String appList = args.getString(KEY_APPS);
+        if (appList == null)
+            return;
+
+        String appNames[] = appList.split("\\|");
+        for (String pair : appNames) {
+            String[] parts = pair.split("\\^");
+            if (parts.length != 2) {
+                Log.e(TAG, "The apps key is incorrectly formatted");
+                fail();
+            }
+
+            mNameToResultKey.put(parts[0], parts[1]);
+            mNameToLaunchTime.put(parts[0], null);
+        }
+        String requiredAccounts = args.getString(KEY_REQUIRED_ACCOUNTS);
+        if (requiredAccounts != null) {
+            mRequiredAccounts = new HashSet<String>();
+            for (String accountType : requiredAccounts.split(",")) {
+                mRequiredAccounts.add(accountType);
+            }
+        }
+
+        String compilerFilterList = args.getString(KEY_COMPILER_FILTERS);
+        if (compilerFilterList != null) {
+            // If a compiler filter is passed, we make a trial launch to force compilation
+            // of the apps.
+            mTrialLaunch = true;
+            mCompilerFilters = compilerFilterList.split("\\|");
+        } else {
+            // Just pass a null compiler filter to use the current state of the app.
+            mCompilerFilters = new String[1];
+        }
+
+        // Pre-populate the results map to avoid null checks.
+        for (String app : mNameToLaunchTime.keySet()) {
+            HashMap<String, List<AppLaunchResult>> map = new HashMap<>();
+            mNameToLaunchTime.put(app, map);
+            for (String compilerFilter : mCompilerFilters) {
+                map.put(compilerFilter, new ArrayList<>());
+            }
+        }
+
+        mTraceDirectoryStr = args.getString(KEY_TRACE_DIRECTORY);
+        mDropCache = Boolean.parseBoolean(args.getString(KEY_DROP_CACHE));
+        mSimplePerfCmd = args.getString(KEY_SIMPLEPERF_CMD);
+        mLaunchOrder = args.getString(KEY_LAUNCH_ORDER, LAUNCH_ORDER_CYCLIC);
+        mSimplePerfAppOnly = Boolean.parseBoolean(args.getString(KEY_SIMPLEPERF_APP));
+        mTrialLaunch = mTrialLaunch || Boolean.parseBoolean(args.getString(KEY_TRIAL_LAUNCH));
+
+        if (mSimplePerfCmd != null && mSimplePerfAppOnly) {
+            Log.w(TAG, String.format("Passing both %s and %s is not supported, ignoring %s",
+                KEY_SIMPLEPERF_CMD, KEY_SIMPLEPERF_APP));
+        }
+    }
+
+    private boolean hasLeanback(Context context) {
+        return context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_LEANBACK);
+    }
+
+    private void createMappings() {
+        mNameToIntent = new LinkedHashMap<String, Intent>();
+
+        PackageManager pm = getInstrumentation().getContext()
+                .getPackageManager();
+        Intent intentToResolve = new Intent(Intent.ACTION_MAIN);
+        intentToResolve.addCategory(hasLeanback(getInstrumentation().getContext()) ?
+                Intent.CATEGORY_LEANBACK_LAUNCHER :
+                Intent.CATEGORY_LAUNCHER);
+        List<ResolveInfo> ris = pm.queryIntentActivities(intentToResolve, 0);
+        resolveLoop(ris, intentToResolve, pm);
+        // For Wear
+        intentToResolve = new Intent(WEARABLE_ACTION_GOOGLE);
+        ris = pm.queryIntentActivities(intentToResolve, 0);
+        resolveLoop(ris, intentToResolve, pm);
+    }
+
+    private void resolveLoop(List<ResolveInfo> ris, Intent intentToResolve, PackageManager pm) {
+        if (ris == null || ris.isEmpty()) {
+            Log.i(TAG, "Could not find any apps");
+        } else {
+            for (ResolveInfo ri : ris) {
+                Intent startIntent = new Intent(intentToResolve);
+                startIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                        | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
+                startIntent.setClassName(ri.activityInfo.packageName,
+                        ri.activityInfo.name);
+                String appName = ri.loadLabel(pm).toString();
+                if (appName != null) {
+                    // Support launching intent using package name or app name
+                    mNameToIntent.put(ri.activityInfo.packageName, startIntent);
+                    mNameToIntent.put(appName, startIntent);
+                }
+            }
+        }
+    }
+
+    private AppLaunchResult startApp(String appName, boolean forceStopBeforeLaunch,
+            String launchReason) throws NameNotFoundException, RemoteException {
+        Log.i(TAG, "Starting " + appName);
+
+        Intent startIntent = mNameToIntent.get(appName);
+        if (startIntent == null) {
+            Log.w(TAG, "App does not exist: " + appName);
+            mResult.putString(mNameToResultKey.get(appName), "App does not exist");
+            return new AppLaunchResult();
+        }
+        AppLaunchRunnable runnable = new AppLaunchRunnable(startIntent, forceStopBeforeLaunch,
+                launchReason);
+        Thread t = new Thread(runnable);
+        t.start();
+        try {
+            t.join(JOIN_TIMEOUT);
+        } catch (InterruptedException e) {
+            // ignore
+        }
+        return runnable.getResult();
+    }
+
+    private void checkAccountSignIn() {
+        // ensure that the device has the required account types before starting test
+        // e.g. device must have a valid Google account sign in to measure a meaningful launch time
+        // for Gmail
+        if (mRequiredAccounts == null || mRequiredAccounts.isEmpty()) {
+            return;
+        }
+        final AccountManager am =
+                (AccountManager) getInstrumentation().getTargetContext().getSystemService(
+                        Context.ACCOUNT_SERVICE);
+        Account[] accounts = am.getAccounts();
+        // use set here in case device has multiple accounts of the same type
+        Set<String> foundAccounts = new HashSet<String>();
+        for (Account account : accounts) {
+            if (mRequiredAccounts.contains(account.type)) {
+                foundAccounts.add(account.type);
+            }
+        }
+        // check if account type matches, if not, fail test with message on what account types
+        // are missing
+        if (mRequiredAccounts.size() != foundAccounts.size()) {
+            mRequiredAccounts.removeAll(foundAccounts);
+            StringBuilder sb = new StringBuilder("Device missing these accounts:");
+            for (String account : mRequiredAccounts) {
+                sb.append(' ');
+                sb.append(account);
+            }
+            fail(sb.toString());
+        }
+    }
+
+    private void closeApp(String appName, boolean forceStopApp) {
+        Intent homeIntent = new Intent(Intent.ACTION_MAIN);
+        homeIntent.addCategory(Intent.CATEGORY_HOME);
+        homeIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK
+                | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);
+        getInstrumentation().getContext().startActivity(homeIntent);
+        sleep(POST_LAUNCH_IDLE_TIMEOUT);
+        if (forceStopApp) {
+            Intent startIntent = mNameToIntent.get(appName);
+            if (startIntent != null) {
+                String packageName = startIntent.getComponent().getPackageName();
+                try {
+                    mAm.forceStopPackage(packageName, UserHandle.USER_CURRENT);
+                } catch (RemoteException e) {
+                    Log.w(TAG, "Error closing app", e);
+                }
+            }
+        }
+    }
+
+    private void sleep(int time) {
+        try {
+            Thread.sleep(time);
+        } catch (InterruptedException e) {
+            // ignore
+        }
+    }
+
+    private void reportError(String appName, String processName) {
+        ActivityManager am = (ActivityManager) getInstrumentation()
+                .getContext().getSystemService(Context.ACTIVITY_SERVICE);
+        List<ProcessErrorStateInfo> crashes = am.getProcessesInErrorState();
+        if (crashes != null) {
+            for (ProcessErrorStateInfo crash : crashes) {
+                if (!crash.processName.equals(processName))
+                    continue;
+
+                Log.w(TAG, appName + " crashed: " + crash.shortMsg);
+                mResult.putString(mNameToResultKey.get(appName), crash.shortMsg);
+                return;
+            }
+        }
+
+        mResult.putString(mNameToResultKey.get(appName),
+                "Crashed for unknown reason");
+        Log.w(TAG, appName
+                + " not found in process list, most likely it is crashed");
+    }
+
+    private class LaunchOrder {
+        private String mApp;
+        private String mCompilerFilter;
+        private String mLaunchReason;
+
+        LaunchOrder(String app, String compilerFilter, String launchReason){
+            mApp = app;
+            mCompilerFilter = compilerFilter;
+            mLaunchReason = launchReason;
+        }
+
+        public String getApp() {
+            return mApp;
+        }
+
+        public void setApp(String app) {
+            mApp = app;
+        }
+
+        public String getCompilerFilter() {
+            return mCompilerFilter;
+        }
+
+        public String getLaunchReason() {
+            return mLaunchReason;
+        }
+
+        public void setLaunchReason(String launchReason) {
+            mLaunchReason = launchReason;
+        }
+    }
+
+    private class AppLaunchResult {
+        long mLaunchTime;
+        long mCpuCycles;
+        long mMajorFaults;
+
+        AppLaunchResult() {
+            mLaunchTime = -1L;
+            mCpuCycles = -1L;
+            mMajorFaults = -1L;
+        }
+
+        AppLaunchResult(String launchTime, String cpuCycles, String majorFaults) {
+            try {
+                mLaunchTime = Long.parseLong(launchTime, 10);
+                mCpuCycles = Long.parseLong(cpuCycles, 10);
+                mMajorFaults = Long.parseLong(majorFaults, 10);
+            } catch (NumberFormatException e) {
+                Log.e(TAG, "Error parsing result", e);
+            }
+        }
+    }
+
+    private class AppLaunchRunnable implements Runnable {
+        private Intent mLaunchIntent;
+        private AppLaunchResult mLaunchResult;
+        private boolean mForceStopBeforeLaunch;
+        private String mLaunchReason;
+
+        public AppLaunchRunnable(Intent intent, boolean forceStopBeforeLaunch,
+                String launchReason) {
+            mLaunchIntent = intent;
+            mForceStopBeforeLaunch = forceStopBeforeLaunch;
+            mLaunchReason = launchReason;
+            mLaunchResult = new AppLaunchResult();
+        }
+
+        public AppLaunchResult getResult() {
+            return mLaunchResult;
+        }
+
+        public void run() {
+            File launchFile = null;
+            try {
+                String packageName = mLaunchIntent.getComponent().getPackageName();
+                String componentName = mLaunchIntent.getComponent().flattenToShortString();
+                if (mForceStopBeforeLaunch) {
+                    mAm.forceStopPackage(packageName, UserHandle.USER_CURRENT);
+                }
+                String launchCmd = String.format("%s %s", APP_LAUNCH_CMD, componentName);
+                if (mSimplePerfAppOnly) {
+                    try {
+                        // executeShellCommand cannot handle shell specific actions, like '&'.
+                        // Therefore, we create a file containing the command and make that
+                        // the command to launch.
+                        launchFile = File.createTempFile(LAUNCH_SCRIPT_NAME, ".sh");
+                        launchFile.setExecutable(true);
+                        try (FileOutputStream stream = new FileOutputStream(launchFile);
+                             BufferedWriter writer =
+                                new BufferedWriter(new OutputStreamWriter(stream))) {
+                            String cmd = String.format(SIMPLEPERF_APP_CMD, packageName, launchCmd);
+                            writer.write(cmd);
+                        }
+                        launchCmd = launchFile.getAbsolutePath();
+                    } catch (IOException e) {
+                        Log.w(TAG, "Error writing the launch command", e);
+                        return;
+                    }
+                } else if (null != mSimplePerfCmd) {
+                    launchCmd = String.format("%s %s", mSimplePerfCmd, launchCmd);
+                }
+                Log.v(TAG, "Final launch cmd:" + launchCmd);
+                ParcelFileDescriptor parcelDesc = getInstrumentation().getUiAutomation()
+                        .executeShellCommand(launchCmd);
+                mLaunchResult = parseLaunchTimeAndWrite(parcelDesc, String.format
+                        ("App Launch :%s %s", componentName, mLaunchReason));
+            } catch (RemoteException e) {
+                Log.w(TAG, "Error launching app", e);
+            } finally {
+                if (launchFile != null) {
+                    launchFile.delete();
+                }
+            }
+        }
+
+        /**
+         * Method to parse the launch time info and write the result to file
+         *
+         * @param parcelDesc
+         * @return
+         */
+        private AppLaunchResult parseLaunchTimeAndWrite(ParcelFileDescriptor parcelDesc,
+                String headerInfo) {
+            String launchTime = "-1";
+            String cpuCycles = "-1";
+            String majorFaults = "-1";
+            boolean launchSuccess = false;
+            try {
+                InputStream inputStream = new FileInputStream(parcelDesc.getFileDescriptor());
+                /* SAMPLE OUTPUT :
+                Starting: Intent { cmp=com.google.android.calculator/com.android.calculator2.Calculator }
+                Status: ok
+                Activity: com.google.android.calculator/com.android.calculator2.Calculator
+                ThisTime: 357
+                TotalTime: 357
+                WaitTime: 377
+                Complete*/
+                /* WITH SIMPLEPERF :
+                Performance counter statistics,
+                6595722690,cpu-cycles,4.511040,GHz,(100%),
+                0,major-faults,0.000,/sec,(100%),
+                Total test time,1.462129,seconds,*/
+                BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(
+                        inputStream));
+                String line = null;
+                int lineCount = 1;
+                mBufferedWriter.newLine();
+                mBufferedWriter.write(headerInfo);
+                mBufferedWriter.newLine();
+                while ((line = bufferedReader.readLine()) != null) {
+                    if (lineCount == 2 && line.contains(SUCCESS_MESSAGE)) {
+                        launchSuccess = true;
+                    }
+                    // Parse TotalTime which is the launch time
+                    if (launchSuccess && lineCount == 5) {
+                        String launchSplit[] = line.split(":");
+                        launchTime = launchSplit[1].trim();
+                    }
+
+                    if (mSimplePerfAppOnly) {
+                        // Parse simpleperf output.
+                        if (lineCount == 9) {
+                            if (!line.contains("cpu-cycles")) {
+                                Log.e(TAG, "Error in simpleperf output");
+                            } else {
+                                cpuCycles = line.split(",")[0].trim();
+                            }
+                        } else if (lineCount == 10) {
+                            if (!line.contains("major-faults")) {
+                                Log.e(TAG, "Error in simpleperf output");
+                            } else {
+                                majorFaults = line.split(",")[0].trim();
+                            }
+                        }
+                    }
+                    mBufferedWriter.write(line);
+                    mBufferedWriter.newLine();
+                    lineCount++;
+                }
+                mBufferedWriter.flush();
+                inputStream.close();
+            } catch (IOException e) {
+                Log.w(TAG, "Error writing the launch file", e);
+            }
+            return new AppLaunchResult(launchTime, cpuCycles, majorFaults);
+        }
+
+    }
+}