blob: bc0f74715240a587862338683b7b7634e9c29c49 [file] [log] [blame]
package com.android.server.wm;
import static android.app.ActivityManager.START_SUCCESS;
import static android.app.ActivityManager.START_TASK_TO_FRONT;
import static android.app.ActivityManager.processStateAmToProto;
import static android.app.WaitResult.LAUNCH_STATE_COLD;
import static android.app.WaitResult.LAUNCH_STATE_HOT;
import static android.app.WaitResult.LAUNCH_STATE_WARM;
import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
import static android.app.WindowConfiguration.WINDOWING_MODE_FULLSCREEN;
import static android.app.WindowConfiguration.WINDOWING_MODE_PINNED;
import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_PRIMARY;
import static android.app.WindowConfiguration.WINDOWING_MODE_SPLIT_SCREEN_SECONDARY;
import static android.app.WindowConfiguration.WINDOWING_MODE_UNDEFINED;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.ACTION_ACTIVITY_START;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_BIND_APPLICATION_DELAY_MS;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_CALLING_PACKAGE_NAME;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_CANCELLED;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_DELAY_MS;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_DEVICE_UPTIME_SECONDS;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_IS_EPHEMERAL;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_PROCESS_RUNNING;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_REPORTED_DRAWN;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_REPORTED_DRAWN_MS;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_STARTING_WINDOW_DELAY_MS;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.APP_TRANSITION_WINDOWS_DRAWN_DELAY_MS;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_CALLING_PACKAGE_NAME;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_CALLING_UID;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_CALLING_UID_HAS_ANY_VISIBLE_WINDOW;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_CALLING_UID_PROC_STATE;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_CLASS_NAME;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_COMING_FROM_PENDING_INTENT;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_INSTANT_APP_LAUNCH_TOKEN;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_INTENT_ACTION;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_CUR_PROC_STATE;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_HAS_CLIENT_ACTIVITIES;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_HAS_FOREGROUND_ACTIVITIES;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_HAS_FOREGROUND_SERVICES;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_HAS_OVERLAY_UI;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_HAS_TOP_UI;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_MILLIS_SINCE_FG_INTERACTION;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_MILLIS_SINCE_LAST_INTERACTION_EVENT;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_MILLIS_SINCE_UNIMPORTANT;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_PENDING_UI_CLEAN;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_PROCESS_RECORD_PROCESS_NAME;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_REAL_CALLING_UID;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_REAL_CALLING_UID_HAS_ANY_VISIBLE_WINDOW;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_REAL_CALLING_UID_PROC_STATE;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.FIELD_TARGET_SHORT_COMPONENT_NAME;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PACKAGE_OPTIMIZATION_COMPILATION_FILTER;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.PACKAGE_OPTIMIZATION_COMPILATION_REASON;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_COLD_LAUNCH;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_HOT_LAUNCH;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_REPORTED_DRAWN_NO_BUNDLE;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_REPORTED_DRAWN_WITH_BUNDLE;
import static com.android.internal.logging.nano.MetricsProto.MetricsEvent.TYPE_TRANSITION_WARM_LAUNCH;
import static com.android.server.am.EventLogTags.AM_ACTIVITY_LAUNCH_TIME;
import static com.android.server.am.MemoryStatUtil.MemoryStat;
import static com.android.server.am.MemoryStatUtil.readMemoryStatFromFilesystem;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_METRICS;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_ATM;
import static com.android.server.wm.ActivityTaskManagerDebugConfig.TAG_WITH_CLASS_NAME;
import static com.android.server.wm.ActivityTaskManagerInternal.APP_TRANSITION_TIMEOUT;
import android.app.WaitResult;
import android.app.WindowConfiguration.WindowingMode;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.dex.ArtManagerInternal;
import android.content.pm.dex.PackageOptimizationInfo;
import android.metrics.LogMaker;
import android.os.Handler;
import android.os.Looper;
import android.os.Message;
import android.os.SystemClock;
import android.os.Trace;
import android.util.EventLog;
import android.util.Log;
import android.util.Slog;
import android.util.SparseArray;
import android.util.SparseIntArray;
import android.util.StatsLog;
import android.util.TimeUtils;
import android.util.proto.ProtoOutputStream;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.logging.MetricsLogger;
import com.android.internal.os.BackgroundThread;
import com.android.internal.os.SomeArgs;
import com.android.server.LocalServices;
/**
* Listens to activity launches, transitions, visibility changes and window drawn callbacks to
* determine app launch times and draw delays. Source of truth for activity metrics and provides
* data for Tron, logcat, event logs and {@link android.app.WaitResult}.
*
* Tests:
* atest CtsWindowManagerDeviceTestCases:ActivityMetricsLoggerTests
*/
class ActivityMetricsLogger {
private static final String TAG = TAG_WITH_CLASS_NAME ? "ActivityMetricsLogger" : TAG_ATM;
// Window modes we are interested in logging. If we ever introduce a new type, we need to add
// a value here and increase the {@link #TRON_WINDOW_STATE_VARZ_STRINGS} array.
private static final int WINDOW_STATE_STANDARD = 0;
private static final int WINDOW_STATE_SIDE_BY_SIDE = 1;
private static final int WINDOW_STATE_FREEFORM = 2;
private static final int WINDOW_STATE_ASSISTANT = 3;
private static final int WINDOW_STATE_INVALID = -1;
private static final long INVALID_START_TIME = -1;
private static final int INVALID_DELAY = -1;
private static final int INVALID_TRANSITION_TYPE = -1;
private static final int MSG_CHECK_VISIBILITY = 0;
// Preallocated strings we are sending to tron, so we don't have to allocate a new one every
// time we log.
private static final String[] TRON_WINDOW_STATE_VARZ_STRINGS = {
"window_time_0", "window_time_1", "window_time_2", "window_time_3"};
private int mWindowState = WINDOW_STATE_STANDARD;
private long mLastLogTimeSecs;
private final ActivityStackSupervisor mSupervisor;
private final Context mContext;
private final MetricsLogger mMetricsLogger = new MetricsLogger();
// set to INVALID_START_TIME in reset.
// set to valid value in notifyActivityLaunching
private long mCurrentTransitionStartTime = INVALID_START_TIME;
private long mLastTransitionStartTime = INVALID_START_TIME;
private int mCurrentTransitionDeviceUptime;
private int mCurrentTransitionDelayMs;
/** If the any app transitions have been logged as starting, after the latest reset. */
private boolean mLoggedTransitionStarting;
/** Map : @WindowingMode int => WindowingModeTransitionInfo */
private final SparseArray<WindowingModeTransitionInfo> mWindowingModeTransitionInfo =
new SparseArray<>();
/** Map : @WindowingMode int => WindowingModeTransitionInfo */
private final SparseArray<WindowingModeTransitionInfo> mLastWindowingModeTransitionInfo =
new SparseArray<>();
private final H mHandler;
private ArtManagerInternal mArtManagerInternal;
private final StringBuilder mStringBuilder = new StringBuilder();
/**
* Due to the global single concurrent launch sequence, all calls to this observer must be made
* in-order on the same thread to fulfill the "happens-before" guarantee in LaunchObserver.
*/
private final LaunchObserverRegistryImpl mLaunchObserver;
@VisibleForTesting static final int LAUNCH_OBSERVER_ACTIVITY_RECORD_PROTO_CHUNK_SIZE = 512;
private final class H extends Handler {
public H(Looper looper) {
super(looper);
}
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_CHECK_VISIBILITY:
final SomeArgs args = (SomeArgs) msg.obj;
checkVisibility((TaskRecord) args.arg1, (ActivityRecord) args.arg2);
break;
}
}
}
private final class WindowingModeTransitionInfo {
/** The latest activity to have been launched. */
private ActivityRecord launchedActivity;
private int startResult;
private boolean currentTransitionProcessRunning;
/** Elapsed time from when we launch an activity to when its windows are drawn. */
private int windowsDrawnDelayMs;
private int startingWindowDelayMs = INVALID_DELAY;
private int bindApplicationDelayMs = INVALID_DELAY;
private int reason = APP_TRANSITION_TIMEOUT;
private boolean loggedWindowsDrawn;
private boolean loggedStartingWindowDrawn;
private boolean launchTraceActive;
}
final class WindowingModeTransitionInfoSnapshot {
final private ApplicationInfo applicationInfo;
final private WindowProcessController processRecord;
final String packageName;
final String launchedActivityName;
final private String launchedActivityLaunchedFromPackage;
final private String launchedActivityLaunchToken;
final private String launchedActivityAppRecordRequiredAbi;
final String launchedActivityShortComponentName;
final private String processName;
final private int reason;
final private int startingWindowDelayMs;
final private int bindApplicationDelayMs;
final int windowsDrawnDelayMs;
final int type;
final int userId;
/**
* Elapsed time from when we launch an activity to when the app reported it was
* fully drawn. If this is not reported then the value is set to INVALID_DELAY.
*/
final int windowsFullyDrawnDelayMs;
final int activityRecordIdHashCode;
private WindowingModeTransitionInfoSnapshot(WindowingModeTransitionInfo info) {
this(info, info.launchedActivity);
}
private WindowingModeTransitionInfoSnapshot(WindowingModeTransitionInfo info,
ActivityRecord launchedActivity) {
this(info, launchedActivity, INVALID_DELAY);
}
private WindowingModeTransitionInfoSnapshot(WindowingModeTransitionInfo info,
ActivityRecord launchedActivity, int windowsFullyDrawnDelayMs) {
applicationInfo = launchedActivity.appInfo;
packageName = launchedActivity.packageName;
launchedActivityName = launchedActivity.info.name;
launchedActivityLaunchedFromPackage = launchedActivity.launchedFromPackage;
launchedActivityLaunchToken = launchedActivity.info.launchToken;
launchedActivityAppRecordRequiredAbi = launchedActivity.app == null
? null
: launchedActivity.app.getRequiredAbi();
reason = info.reason;
startingWindowDelayMs = info.startingWindowDelayMs;
bindApplicationDelayMs = info.bindApplicationDelayMs;
windowsDrawnDelayMs = info.windowsDrawnDelayMs;
type = getTransitionType(info);
processRecord = findProcessForActivity(launchedActivity);
processName = launchedActivity.processName;
userId = launchedActivity.mUserId;
launchedActivityShortComponentName = launchedActivity.shortComponentName;
activityRecordIdHashCode = System.identityHashCode(launchedActivity);
this.windowsFullyDrawnDelayMs = windowsFullyDrawnDelayMs;
}
@WaitResult.LaunchState int getLaunchState() {
switch (type) {
case TYPE_TRANSITION_WARM_LAUNCH:
return LAUNCH_STATE_WARM;
case TYPE_TRANSITION_HOT_LAUNCH:
return LAUNCH_STATE_HOT;
case TYPE_TRANSITION_COLD_LAUNCH:
return LAUNCH_STATE_COLD;
default:
return -1;
}
}
}
ActivityMetricsLogger(ActivityStackSupervisor supervisor, Context context, Looper looper) {
mLastLogTimeSecs = SystemClock.elapsedRealtime() / 1000;
mSupervisor = supervisor;
mContext = context;
mHandler = new H(looper);
mLaunchObserver = new LaunchObserverRegistryImpl(looper);
}
void logWindowState() {
final long now = SystemClock.elapsedRealtime() / 1000;
if (mWindowState != WINDOW_STATE_INVALID) {
// We log even if the window state hasn't changed, because the user might remain in
// home/fullscreen move forever and we would like to track this kind of behavior
// too.
MetricsLogger.count(mContext, TRON_WINDOW_STATE_VARZ_STRINGS[mWindowState],
(int) (now - mLastLogTimeSecs));
}
mLastLogTimeSecs = now;
mWindowState = WINDOW_STATE_INVALID;
ActivityStack stack =
mSupervisor.mRootActivityContainer.getTopDisplayFocusedStack();
if (stack == null) {
return;
}
if (stack.isActivityTypeAssistant()) {
mWindowState = WINDOW_STATE_ASSISTANT;
return;
}
@WindowingMode int windowingMode = stack.getWindowingMode();
if (windowingMode == WINDOWING_MODE_PINNED) {
stack = mSupervisor.mRootActivityContainer.findStackBehind(stack);
windowingMode = stack.getWindowingMode();
}
switch (windowingMode) {
case WINDOWING_MODE_FULLSCREEN:
mWindowState = WINDOW_STATE_STANDARD;
break;
case WINDOWING_MODE_SPLIT_SCREEN_PRIMARY:
case WINDOWING_MODE_SPLIT_SCREEN_SECONDARY:
mWindowState = WINDOW_STATE_SIDE_BY_SIDE;
break;
case WINDOWING_MODE_FREEFORM:
mWindowState = WINDOW_STATE_FREEFORM;
break;
default:
if (windowingMode != WINDOWING_MODE_UNDEFINED) {
throw new IllegalStateException("Unknown windowing mode for stack=" + stack
+ " windowingMode=" + windowingMode);
}
}
}
/**
* Notifies the tracker at the earliest possible point when we are starting to launch an
* activity.
*/
void notifyActivityLaunching(Intent intent) {
if (DEBUG_METRICS) {
Slog.i(TAG, String.format("notifyActivityLaunching: active:%b, intent:%s",
isAnyTransitionActive(),
intent));
}
if (mCurrentTransitionStartTime == INVALID_START_TIME) {
mCurrentTransitionStartTime = SystemClock.uptimeMillis();
mLastTransitionStartTime = mCurrentTransitionStartTime;
launchObserverNotifyIntentStarted(intent);
}
}
/**
* Notifies the tracker that the activity is actually launching.
*
* @param resultCode one of the ActivityManager.START_* flags, indicating the result of the
* launch
* @param launchedActivity the activity that is being launched
*/
void notifyActivityLaunched(int resultCode, ActivityRecord launchedActivity) {
final WindowProcessController processRecord = findProcessForActivity(launchedActivity);
final boolean processRunning = processRecord != null;
// We consider this a "process switch" if the process of the activity that gets launched
// didn't have an activity that was in started state. In this case, we assume that lot
// of caches might be purged so the time until it produces the first frame is very
// interesting.
final boolean processSwitch = processRecord == null
|| !processRecord.hasStartedActivity(launchedActivity);
notifyActivityLaunched(resultCode, launchedActivity, processRunning, processSwitch);
}
/**
* Notifies the tracker the the activity is actually launching.
*
* @param resultCode one of the ActivityManager.START_* flags, indicating the result of the
* launch
* @param launchedActivity the activity being launched
* @param processRunning whether the process that will contains the activity is already running
* @param processSwitch whether the process that will contain the activity didn't have any
* activity that was stopped, i.e. the started activity is "switching"
* processes
*/
private void notifyActivityLaunched(int resultCode, ActivityRecord launchedActivity,
boolean processRunning, boolean processSwitch) {
if (DEBUG_METRICS) Slog.i(TAG, "notifyActivityLaunched"
+ " resultCode=" + resultCode
+ " launchedActivity=" + launchedActivity
+ " processRunning=" + processRunning
+ " processSwitch=" + processSwitch);
// If we are already in an existing transition, only update the activity name, but not the
// other attributes.
final @WindowingMode int windowingMode = launchedActivity != null
? launchedActivity.getWindowingMode()
: WINDOWING_MODE_UNDEFINED;
final WindowingModeTransitionInfo info = mWindowingModeTransitionInfo.get(windowingMode);
if (mCurrentTransitionStartTime == INVALID_START_TIME) {
// No transition is active ignore this launch.
return;
}
if (launchedActivity != null && launchedActivity.mDrawn) {
// Launched activity is already visible. We cannot measure windows drawn delay.
reset(true /* abort */, info, "launched activity already visible");
return;
}
if (launchedActivity != null && info != null) {
// If we are already in an existing transition, only update the activity name, but not
// the other attributes.
// Coalesce multiple (trampoline) activities from a single sequence together.
info.launchedActivity = launchedActivity;
return;
}
final boolean otherWindowModesLaunching =
mWindowingModeTransitionInfo.size() > 0 && info == null;
if ((!isLoggableResultCode(resultCode) || launchedActivity == null || !processSwitch
|| windowingMode == WINDOWING_MODE_UNDEFINED) && !otherWindowModesLaunching) {
// Failed to launch or it was not a process switch, so we don't care about the timing.
reset(true /* abort */, info, "failed to launch or not a process switch");
return;
} else if (otherWindowModesLaunching) {
// Don't log this windowing mode but continue with the other windowing modes.
return;
}
if (DEBUG_METRICS) Slog.i(TAG, "notifyActivityLaunched successful");
// A new launch sequence [with the windowingMode] has begun.
// Start tracking it.
final WindowingModeTransitionInfo newInfo = new WindowingModeTransitionInfo();
newInfo.launchedActivity = launchedActivity;
newInfo.currentTransitionProcessRunning = processRunning;
newInfo.startResult = resultCode;
mWindowingModeTransitionInfo.put(windowingMode, newInfo);
mLastWindowingModeTransitionInfo.put(windowingMode, newInfo);
mCurrentTransitionDeviceUptime = (int) (SystemClock.uptimeMillis() / 1000);
startTraces(newInfo);
launchObserverNotifyActivityLaunched(newInfo);
}
/**
* @return True if we should start logging an event for an activity start that returned
* {@code resultCode} and that we'll indeed get a windows drawn event.
*/
private boolean isLoggableResultCode(int resultCode) {
return resultCode == START_SUCCESS || resultCode == START_TASK_TO_FRONT;
}
/**
* Notifies the tracker that all windows of the app have been drawn.
*/
WindowingModeTransitionInfoSnapshot notifyWindowsDrawn(@WindowingMode int windowingMode,
long timestamp) {
if (DEBUG_METRICS) Slog.i(TAG, "notifyWindowsDrawn windowingMode=" + windowingMode);
final WindowingModeTransitionInfo info = mWindowingModeTransitionInfo.get(windowingMode);
if (info == null || info.loggedWindowsDrawn) {
return null;
}
info.windowsDrawnDelayMs = calculateDelay(timestamp);
info.loggedWindowsDrawn = true;
final WindowingModeTransitionInfoSnapshot infoSnapshot =
new WindowingModeTransitionInfoSnapshot(info);
if (allWindowsDrawn() && mLoggedTransitionStarting) {
reset(false /* abort */, info, "notifyWindowsDrawn - all windows drawn");
}
return infoSnapshot;
}
/**
* Notifies the tracker that the starting window was drawn.
*/
void notifyStartingWindowDrawn(@WindowingMode int windowingMode, long timestamp) {
final WindowingModeTransitionInfo info = mWindowingModeTransitionInfo.get(windowingMode);
if (info == null || info.loggedStartingWindowDrawn) {
return;
}
info.loggedStartingWindowDrawn = true;
info.startingWindowDelayMs = calculateDelay(timestamp);
}
/**
* Notifies the tracker that the app transition is starting.
*
* @param windowingModeToReason A map from windowing mode to a reason integer, which must be on
* of ActivityTaskManagerInternal.APP_TRANSITION_* reasons.
*/
void notifyTransitionStarting(SparseIntArray windowingModeToReason, long timestamp) {
if (!isAnyTransitionActive() || mLoggedTransitionStarting) {
// Ignore calls to this made after a reset and prior to notifyActivityLaunching.
// Ignore any subsequent notifyTransitionStarting until the next reset.
return;
}
if (DEBUG_METRICS) Slog.i(TAG, "notifyTransitionStarting");
mCurrentTransitionDelayMs = calculateDelay(timestamp);
mLoggedTransitionStarting = true;
WindowingModeTransitionInfo foundInfo = null;
for (int index = windowingModeToReason.size() - 1; index >= 0; index--) {
final @WindowingMode int windowingMode = windowingModeToReason.keyAt(index);
final WindowingModeTransitionInfo info = mWindowingModeTransitionInfo.get(
windowingMode);
if (info == null) {
continue;
}
info.reason = windowingModeToReason.valueAt(index);
foundInfo = info;
}
if (allWindowsDrawn()) {
// abort metrics collection if we cannot find a matching transition.
final boolean abortMetrics = foundInfo == null;
reset(abortMetrics, foundInfo, "notifyTransitionStarting - all windows drawn");
}
}
/**
* Notifies the tracker that the visibility of an app is changing.
*
* @param activityRecord the app that is changing its visibility
*/
void notifyVisibilityChanged(ActivityRecord activityRecord) {
final WindowingModeTransitionInfo info = mWindowingModeTransitionInfo.get(
activityRecord.getWindowingMode());
if (info == null) {
return;
}
if (info.launchedActivity != activityRecord) {
return;
}
final TaskRecord t = activityRecord.getTaskRecord();
final SomeArgs args = SomeArgs.obtain();
args.arg1 = t;
args.arg2 = activityRecord;
mHandler.obtainMessage(MSG_CHECK_VISIBILITY, args).sendToTarget();
}
private boolean hasVisibleNonFinishingActivity(TaskRecord t) {
for (int i = t.mActivities.size() - 1; i >= 0; --i) {
final ActivityRecord r = t.mActivities.get(i);
if (r.visible && !r.finishing) {
return true;
}
}
return false;
}
private void checkVisibility(TaskRecord t, ActivityRecord r) {
synchronized (mSupervisor.mService.mGlobalLock) {
final WindowingModeTransitionInfo info = mWindowingModeTransitionInfo.get(
r.getWindowingMode());
// If we have an active transition that's waiting on a certain activity that will be
// invisible now, we'll never get onWindowsDrawn, so abort the transition if necessary.
// We have no active transitions.
if (info == null) {
return;
}
// The notified activity whose visibility changed is no longer the launched activity.
// We can still wait to get onWindowsDrawn.
if (info.launchedActivity != r) {
return;
}
// Check if there is any activity in the task that is visible and not finishing. If the
// launched activity finished before it is drawn and if there is another activity in
// the task then that activity will be draw on screen.
if (hasVisibleNonFinishingActivity(t)) {
return;
}
if (DEBUG_METRICS) Slog.i(TAG, "notifyVisibilityChanged to invisible activity=" + r);
logAppTransitionCancel(info);
mWindowingModeTransitionInfo.remove(r.getWindowingMode());
if (mWindowingModeTransitionInfo.size() == 0) {
reset(true /* abort */, info, "notifyVisibilityChanged to invisible");
}
}
}
/**
* Notifies the tracker that we called immediately before we call bindApplication on the client.
*
* @param appInfo The client into which we'll call bindApplication.
*/
void notifyBindApplication(ApplicationInfo appInfo) {
for (int i = mWindowingModeTransitionInfo.size() - 1; i >= 0; i--) {
final WindowingModeTransitionInfo info = mWindowingModeTransitionInfo.valueAt(i);
// App isn't attached to record yet, so match with info.
if (info.launchedActivity.appInfo == appInfo) {
info.bindApplicationDelayMs = calculateCurrentDelay();
}
}
}
private boolean allWindowsDrawn() {
for (int index = mWindowingModeTransitionInfo.size() - 1; index >= 0; index--) {
if (!mWindowingModeTransitionInfo.valueAt(index).loggedWindowsDrawn) {
return false;
}
}
return true;
}
private boolean isAnyTransitionActive() {
return mCurrentTransitionStartTime != INVALID_START_TIME
&& mWindowingModeTransitionInfo.size() > 0;
}
private void reset(boolean abort, WindowingModeTransitionInfo info, String cause) {
if (DEBUG_METRICS) Slog.i(TAG, "reset abort=" + abort + ",cause=" + cause);
if (!abort && isAnyTransitionActive()) {
logAppTransitionMultiEvents();
}
stopLaunchTrace(info);
// Ignore reset-after reset.
if (isAnyTransitionActive()) {
// LaunchObserver callbacks.
if (abort) {
launchObserverNotifyActivityLaunchCancelled(info);
} else {
launchObserverNotifyActivityLaunchFinished(info);
}
} else {
launchObserverNotifyIntentFailed();
}
mCurrentTransitionStartTime = INVALID_START_TIME;
mCurrentTransitionDelayMs = INVALID_DELAY;
mLoggedTransitionStarting = false;
mWindowingModeTransitionInfo.clear();
}
private int calculateCurrentDelay() {
// Shouldn't take more than 25 days to launch an app, so int is fine here.
return (int) (SystemClock.uptimeMillis() - mCurrentTransitionStartTime);
}
private int calculateDelay(long timestamp) {
// Shouldn't take more than 25 days to launch an app, so int is fine here.
return (int) (timestamp - mCurrentTransitionStartTime);
}
private void logAppTransitionCancel(WindowingModeTransitionInfo info) {
final int type = getTransitionType(info);
if (type == INVALID_TRANSITION_TYPE) {
return;
}
final LogMaker builder = new LogMaker(APP_TRANSITION_CANCELLED);
builder.setPackageName(info.launchedActivity.packageName);
builder.setType(type);
builder.addTaggedData(FIELD_CLASS_NAME, info.launchedActivity.info.name);
mMetricsLogger.write(builder);
StatsLog.write(
StatsLog.APP_START_CANCELED,
info.launchedActivity.appInfo.uid,
info.launchedActivity.packageName,
convertAppStartTransitionType(type),
info.launchedActivity.info.name);
if (DEBUG_METRICS) {
Slog.i(TAG, String.format("APP_START_CANCELED(%s, %s, %s, %s)",
info.launchedActivity.appInfo.uid,
info.launchedActivity.packageName,
convertAppStartTransitionType(type),
info.launchedActivity.info.name));
}
}
private void logAppTransitionMultiEvents() {
if (DEBUG_METRICS) Slog.i(TAG, "logging transition events");
for (int index = mWindowingModeTransitionInfo.size() - 1; index >= 0; index--) {
final WindowingModeTransitionInfo info = mWindowingModeTransitionInfo.valueAt(index);
final int type = getTransitionType(info);
if (type == INVALID_TRANSITION_TYPE) {
if (DEBUG_METRICS) {
Slog.i(TAG, "invalid transition type"
+ " processRunning=" + info.currentTransitionProcessRunning
+ " startResult=" + info.startResult);
}
return;
}
// Take a snapshot of the transition info before sending it to the handler for logging.
// This will avoid any races with other operations that modify the ActivityRecord.
final WindowingModeTransitionInfoSnapshot infoSnapshot =
new WindowingModeTransitionInfoSnapshot(info);
final int currentTransitionDeviceUptime = mCurrentTransitionDeviceUptime;
final int currentTransitionDelayMs = mCurrentTransitionDelayMs;
BackgroundThread.getHandler().post(() -> logAppTransition(
currentTransitionDeviceUptime, currentTransitionDelayMs, infoSnapshot));
BackgroundThread.getHandler().post(() -> logAppDisplayed(infoSnapshot));
info.launchedActivity.info.launchToken = null;
}
}
// This gets called on a background thread without holding the activity manager lock.
private void logAppTransition(int currentTransitionDeviceUptime, int currentTransitionDelayMs,
WindowingModeTransitionInfoSnapshot info) {
final LogMaker builder = new LogMaker(APP_TRANSITION);
builder.setPackageName(info.packageName);
builder.setType(info.type);
builder.addTaggedData(FIELD_CLASS_NAME, info.launchedActivityName);
final boolean isInstantApp = info.applicationInfo.isInstantApp();
if (info.launchedActivityLaunchedFromPackage != null) {
builder.addTaggedData(APP_TRANSITION_CALLING_PACKAGE_NAME,
info.launchedActivityLaunchedFromPackage);
}
String launchToken = info.launchedActivityLaunchToken;
if (launchToken != null) {
builder.addTaggedData(FIELD_INSTANT_APP_LAUNCH_TOKEN, launchToken);
}
builder.addTaggedData(APP_TRANSITION_IS_EPHEMERAL, isInstantApp ? 1 : 0);
builder.addTaggedData(APP_TRANSITION_DEVICE_UPTIME_SECONDS,
currentTransitionDeviceUptime);
builder.addTaggedData(APP_TRANSITION_DELAY_MS, currentTransitionDelayMs);
builder.setSubtype(info.reason);
if (info.startingWindowDelayMs != INVALID_DELAY) {
builder.addTaggedData(APP_TRANSITION_STARTING_WINDOW_DELAY_MS,
info.startingWindowDelayMs);
}
if (info.bindApplicationDelayMs != INVALID_DELAY) {
builder.addTaggedData(APP_TRANSITION_BIND_APPLICATION_DELAY_MS,
info.bindApplicationDelayMs);
}
builder.addTaggedData(APP_TRANSITION_WINDOWS_DRAWN_DELAY_MS, info.windowsDrawnDelayMs);
final ArtManagerInternal artManagerInternal = getArtManagerInternal();
final PackageOptimizationInfo packageOptimizationInfo =
(artManagerInternal == null) || (info.launchedActivityAppRecordRequiredAbi == null)
? PackageOptimizationInfo.createWithNoInfo()
: artManagerInternal.getPackageOptimizationInfo(
info.applicationInfo,
info.launchedActivityAppRecordRequiredAbi);
builder.addTaggedData(PACKAGE_OPTIMIZATION_COMPILATION_REASON,
packageOptimizationInfo.getCompilationReason());
builder.addTaggedData(PACKAGE_OPTIMIZATION_COMPILATION_FILTER,
packageOptimizationInfo.getCompilationFilter());
mMetricsLogger.write(builder);
StatsLog.write(
StatsLog.APP_START_OCCURRED,
info.applicationInfo.uid,
info.packageName,
convertAppStartTransitionType(info.type),
info.launchedActivityName,
info.launchedActivityLaunchedFromPackage,
isInstantApp,
currentTransitionDeviceUptime * 1000,
info.reason,
currentTransitionDelayMs,
info.startingWindowDelayMs,
info.bindApplicationDelayMs,
info.windowsDrawnDelayMs,
launchToken,
packageOptimizationInfo.getCompilationReason(),
packageOptimizationInfo.getCompilationFilter());
if (DEBUG_METRICS) {
Slog.i(TAG, String.format("APP_START_OCCURRED(%s, %s, %s, %s, %s)",
info.applicationInfo.uid,
info.packageName,
convertAppStartTransitionType(info.type),
info.launchedActivityName,
info.launchedActivityLaunchedFromPackage));
}
logAppStartMemoryStateCapture(info);
}
private void logAppDisplayed(WindowingModeTransitionInfoSnapshot info) {
if (info.type != TYPE_TRANSITION_WARM_LAUNCH && info.type != TYPE_TRANSITION_COLD_LAUNCH) {
return;
}
EventLog.writeEvent(AM_ACTIVITY_LAUNCH_TIME,
info.userId, info.activityRecordIdHashCode, info.launchedActivityShortComponentName,
info.windowsDrawnDelayMs);
StringBuilder sb = mStringBuilder;
sb.setLength(0);
sb.append("Displayed ");
sb.append(info.launchedActivityShortComponentName);
sb.append(": ");
TimeUtils.formatDuration(info.windowsDrawnDelayMs, sb);
Log.i(TAG, sb.toString());
}
private int convertAppStartTransitionType(int tronType) {
if (tronType == TYPE_TRANSITION_COLD_LAUNCH) {
return StatsLog.APP_START_OCCURRED__TYPE__COLD;
}
if (tronType == TYPE_TRANSITION_WARM_LAUNCH) {
return StatsLog.APP_START_OCCURRED__TYPE__WARM;
}
if (tronType == TYPE_TRANSITION_HOT_LAUNCH) {
return StatsLog.APP_START_OCCURRED__TYPE__HOT;
}
return StatsLog.APP_START_OCCURRED__TYPE__UNKNOWN;
}
WindowingModeTransitionInfoSnapshot logAppTransitionReportedDrawn(ActivityRecord r,
boolean restoredFromBundle) {
final WindowingModeTransitionInfo info = mLastWindowingModeTransitionInfo.get(
r.getWindowingMode());
if (info == null) {
return null;
}
// Record the handling of the reportFullyDrawn callback in the trace system. This is not
// actually used to trace this function, but instead the logical task that this function
// fullfils (handling reportFullyDrawn() callbacks).
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
"ActivityManager:ReportingFullyDrawn " + info.launchedActivity.packageName);
final LogMaker builder = new LogMaker(APP_TRANSITION_REPORTED_DRAWN);
builder.setPackageName(r.packageName);
builder.addTaggedData(FIELD_CLASS_NAME, r.info.name);
long startupTimeMs = SystemClock.uptimeMillis() - mLastTransitionStartTime;
builder.addTaggedData(APP_TRANSITION_REPORTED_DRAWN_MS, startupTimeMs);
builder.setType(restoredFromBundle
? TYPE_TRANSITION_REPORTED_DRAWN_WITH_BUNDLE
: TYPE_TRANSITION_REPORTED_DRAWN_NO_BUNDLE);
builder.addTaggedData(APP_TRANSITION_PROCESS_RUNNING,
info.currentTransitionProcessRunning ? 1 : 0);
mMetricsLogger.write(builder);
StatsLog.write(
StatsLog.APP_START_FULLY_DRAWN,
info.launchedActivity.appInfo.uid,
info.launchedActivity.packageName,
restoredFromBundle
? StatsLog.APP_START_FULLY_DRAWN__TYPE__WITH_BUNDLE
: StatsLog.APP_START_FULLY_DRAWN__TYPE__WITHOUT_BUNDLE,
info.launchedActivity.info.name,
info.currentTransitionProcessRunning,
startupTimeMs);
// Ends the trace started at the beginning of this function. This is located here to allow
// the trace slice to have a noticable duration.
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
final WindowingModeTransitionInfoSnapshot infoSnapshot =
new WindowingModeTransitionInfoSnapshot(info, r, (int) startupTimeMs);
BackgroundThread.getHandler().post(() -> logAppFullyDrawn(infoSnapshot));
return infoSnapshot;
}
private void logAppFullyDrawn(WindowingModeTransitionInfoSnapshot info) {
if (info.type != TYPE_TRANSITION_WARM_LAUNCH && info.type != TYPE_TRANSITION_COLD_LAUNCH) {
return;
}
StringBuilder sb = mStringBuilder;
sb.setLength(0);
sb.append("Fully drawn ");
sb.append(info.launchedActivityShortComponentName);
sb.append(": ");
TimeUtils.formatDuration(info.windowsFullyDrawnDelayMs, sb);
Log.i(TAG, sb.toString());
}
void logAbortedBgActivityStart(Intent intent, WindowProcessController callerApp,
int callingUid, String callingPackage, int callingUidProcState,
boolean callingUidHasAnyVisibleWindow,
int realCallingUid, int realCallingUidProcState,
boolean realCallingUidHasAnyVisibleWindow,
boolean comingFromPendingIntent) {
final long nowElapsed = SystemClock.elapsedRealtime();
final long nowUptime = SystemClock.uptimeMillis();
final LogMaker builder = new LogMaker(ACTION_ACTIVITY_START);
builder.setTimestamp(System.currentTimeMillis());
builder.addTaggedData(FIELD_CALLING_UID, callingUid);
builder.addTaggedData(FIELD_CALLING_PACKAGE_NAME, callingPackage);
builder.addTaggedData(FIELD_CALLING_UID_PROC_STATE,
processStateAmToProto(callingUidProcState));
builder.addTaggedData(FIELD_CALLING_UID_HAS_ANY_VISIBLE_WINDOW,
callingUidHasAnyVisibleWindow ? 1 : 0);
builder.addTaggedData(FIELD_REAL_CALLING_UID, realCallingUid);
builder.addTaggedData(FIELD_REAL_CALLING_UID_PROC_STATE,
processStateAmToProto(realCallingUidProcState));
builder.addTaggedData(FIELD_REAL_CALLING_UID_HAS_ANY_VISIBLE_WINDOW,
realCallingUidHasAnyVisibleWindow ? 1 : 0);
builder.addTaggedData(FIELD_COMING_FROM_PENDING_INTENT, comingFromPendingIntent ? 1 : 0);
if (intent != null) {
builder.addTaggedData(FIELD_INTENT_ACTION, intent.getAction());
ComponentName component = intent.getComponent();
if (component != null) {
builder.addTaggedData(FIELD_TARGET_SHORT_COMPONENT_NAME,
component.flattenToShortString());
}
}
if (callerApp != null) {
builder.addTaggedData(FIELD_PROCESS_RECORD_PROCESS_NAME, callerApp.mName);
builder.addTaggedData(FIELD_PROCESS_RECORD_CUR_PROC_STATE,
processStateAmToProto(callerApp.getCurrentProcState()));
builder.addTaggedData(FIELD_PROCESS_RECORD_HAS_CLIENT_ACTIVITIES,
callerApp.hasClientActivities() ? 1 : 0);
builder.addTaggedData(FIELD_PROCESS_RECORD_HAS_FOREGROUND_SERVICES,
callerApp.hasForegroundServices() ? 1 : 0);
builder.addTaggedData(FIELD_PROCESS_RECORD_HAS_FOREGROUND_ACTIVITIES,
callerApp.hasForegroundActivities() ? 1 : 0);
builder.addTaggedData(FIELD_PROCESS_RECORD_HAS_TOP_UI, callerApp.hasTopUi() ? 1 : 0);
builder.addTaggedData(FIELD_PROCESS_RECORD_HAS_OVERLAY_UI,
callerApp.hasOverlayUi() ? 1 : 0);
builder.addTaggedData(FIELD_PROCESS_RECORD_PENDING_UI_CLEAN,
callerApp.hasPendingUiClean() ? 1 : 0);
if (callerApp.getInteractionEventTime() != 0) {
builder.addTaggedData(FIELD_PROCESS_RECORD_MILLIS_SINCE_LAST_INTERACTION_EVENT,
(nowElapsed - callerApp.getInteractionEventTime()));
}
if (callerApp.getFgInteractionTime() != 0) {
builder.addTaggedData(FIELD_PROCESS_RECORD_MILLIS_SINCE_FG_INTERACTION,
(nowElapsed - callerApp.getFgInteractionTime()));
}
if (callerApp.getWhenUnimportant() != 0) {
builder.addTaggedData(FIELD_PROCESS_RECORD_MILLIS_SINCE_UNIMPORTANT,
(nowUptime - callerApp.getWhenUnimportant()));
}
}
mMetricsLogger.write(builder);
}
private int getTransitionType(WindowingModeTransitionInfo info) {
if (info.currentTransitionProcessRunning) {
if (info.startResult == START_SUCCESS) {
return TYPE_TRANSITION_WARM_LAUNCH;
} else if (info.startResult == START_TASK_TO_FRONT) {
return TYPE_TRANSITION_HOT_LAUNCH;
}
} else if (info.startResult == START_SUCCESS
|| (info.startResult == START_TASK_TO_FRONT)) {
// TaskRecord may still exist when cold launching an activity and the start
// result will be set to START_TASK_TO_FRONT. Treat this as a COLD launch.
return TYPE_TRANSITION_COLD_LAUNCH;
}
return INVALID_TRANSITION_TYPE;
}
private void logAppStartMemoryStateCapture(WindowingModeTransitionInfoSnapshot info) {
if (info.processRecord == null) {
if (DEBUG_METRICS) Slog.i(TAG, "logAppStartMemoryStateCapture processRecord null");
return;
}
final int pid = info.processRecord.getPid();
final int uid = info.applicationInfo.uid;
final MemoryStat memoryStat = readMemoryStatFromFilesystem(uid, pid);
if (memoryStat == null) {
if (DEBUG_METRICS) Slog.i(TAG, "logAppStartMemoryStateCapture memoryStat null");
return;
}
StatsLog.write(
StatsLog.APP_START_MEMORY_STATE_CAPTURED,
uid,
info.processName,
info.launchedActivityName,
memoryStat.pgfault,
memoryStat.pgmajfault,
memoryStat.rssInBytes,
memoryStat.cacheInBytes,
memoryStat.swapInBytes);
}
private WindowProcessController findProcessForActivity(ActivityRecord launchedActivity) {
return launchedActivity != null
? mSupervisor.mService.mProcessNames.get(
launchedActivity.processName, launchedActivity.appInfo.uid)
: null;
}
private ArtManagerInternal getArtManagerInternal() {
if (mArtManagerInternal == null) {
// Note that this may be null.
// ArtManagerInternal is registered during PackageManagerService
// initialization which happens after ActivityManagerService.
mArtManagerInternal = LocalServices.getService(ArtManagerInternal.class);
}
return mArtManagerInternal;
}
/**
* Starts traces for app launch.
*
* @param info
* */
private void startTraces(WindowingModeTransitionInfo info) {
if (!Trace.isTagEnabled(Trace.TRACE_TAG_ACTIVITY_MANAGER) || info == null
|| info.launchTraceActive) {
return;
}
Trace.asyncTraceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "launching: "
+ info.launchedActivity.packageName, 0);
info.launchTraceActive = true;
}
private void stopLaunchTrace(WindowingModeTransitionInfo info) {
if (info == null) {
return;
}
if (info.launchTraceActive) {
Trace.asyncTraceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER, "launching: "
+ info.launchedActivity.packageName, 0);
info.launchTraceActive = false;
}
}
public ActivityMetricsLaunchObserverRegistry getLaunchObserverRegistry() {
return mLaunchObserver;
}
/** Notify the {@link ActivityMetricsLaunchObserver} that a new launch sequence has begun. */
private void launchObserverNotifyIntentStarted(Intent intent) {
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
"MetricsLogger:launchObserverNotifyIntentStarted");
// Beginning a launch is timing sensitive and so should be observed as soon as possible.
mLaunchObserver.onIntentStarted(intent);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
}
/**
* Notify the {@link ActivityMetricsLaunchObserver} that the previous launch sequence has
* aborted due to intent failure (e.g. intent resolve failed or security error, etc) or
* intent being delivered to the top running activity.
*/
private void launchObserverNotifyIntentFailed() {
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
"MetricsLogger:launchObserverNotifyIntentFailed");
mLaunchObserver.onIntentFailed();
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
}
/**
* Notify the {@link ActivityMetricsLaunchObserver} that the current launch sequence's activity
* has started.
*/
private void launchObserverNotifyActivityLaunched(WindowingModeTransitionInfo info) {
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
"MetricsLogger:launchObserverNotifyActivityLaunched");
@ActivityMetricsLaunchObserver.Temperature int temperature =
convertTransitionTypeToLaunchObserverTemperature(getTransitionType(info));
// Beginning a launch is timing sensitive and so should be observed as soon as possible.
mLaunchObserver.onActivityLaunched(convertActivityRecordToProto(info.launchedActivity),
temperature);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
}
/**
* Notify the {@link ActivityMetricsLaunchObserver} that the current launch sequence is
* cancelled.
*/
private void launchObserverNotifyActivityLaunchCancelled(WindowingModeTransitionInfo info) {
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
"MetricsLogger:launchObserverNotifyActivityLaunchCancelled");
final @ActivityMetricsLaunchObserver.ActivityRecordProto byte[] activityRecordProto =
info != null ? convertActivityRecordToProto(info.launchedActivity) : null;
mLaunchObserver.onActivityLaunchCancelled(activityRecordProto);
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
}
/**
* Notify the {@link ActivityMetricsLaunchObserver} that the current launch sequence's activity
* has fully finished (successfully).
*/
private void launchObserverNotifyActivityLaunchFinished(WindowingModeTransitionInfo info) {
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
"MetricsLogger:launchObserverNotifyActivityLaunchFinished");
mLaunchObserver.onActivityLaunchFinished(
convertActivityRecordToProto(info.launchedActivity));
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
}
@VisibleForTesting
static @ActivityMetricsLaunchObserver.ActivityRecordProto byte[]
convertActivityRecordToProto(ActivityRecord record) {
// May take non-negligible amount of time to convert ActivityRecord into a proto,
// so track the time.
Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER,
"MetricsLogger:convertActivityRecordToProto");
// There does not appear to be a way to 'reset' a ProtoOutputBuffer stream,
// so create a new one every time.
final ProtoOutputStream protoOutputStream =
new ProtoOutputStream(LAUNCH_OBSERVER_ACTIVITY_RECORD_PROTO_CHUNK_SIZE);
// Write this data out as the top-most ActivityRecordProto (i.e. it is not a sub-object).
record.writeToProto(protoOutputStream);
final byte[] bytes = protoOutputStream.getBytes();
Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER);
return bytes;
}
private static @ActivityMetricsLaunchObserver.Temperature int
convertTransitionTypeToLaunchObserverTemperature(int transitionType) {
switch (transitionType) {
case TYPE_TRANSITION_WARM_LAUNCH:
return ActivityMetricsLaunchObserver.TEMPERATURE_WARM;
case TYPE_TRANSITION_HOT_LAUNCH:
return ActivityMetricsLaunchObserver.TEMPERATURE_HOT;
case TYPE_TRANSITION_COLD_LAUNCH:
return ActivityMetricsLaunchObserver.TEMPERATURE_COLD;
default:
return -1;
}
}
}