Add some recent broadcast and notification events to the dumpsys. (1ce3e3fa) · Commits · e / os / android_frameworks_base

services/usage/java/com/android/server/usage/BroadcastResponseStatsLogger.java

0 → 100644

+221 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2022 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.server.usage;

		import static android.app.ActivityManager.procStateToString;

		import static com.android.server.usage.BroadcastResponseStatsTracker.NOTIFICATION_EVENT_TYPE_CANCELLED;
		import static com.android.server.usage.BroadcastResponseStatsTracker.NOTIFICATION_EVENT_TYPE_POSTED;
		import static com.android.server.usage.BroadcastResponseStatsTracker.NOTIFICATION_EVENT_TYPE_UPDATED;
		import static com.android.server.usage.BroadcastResponseStatsTracker.TAG;
		import static com.android.server.usage.UsageStatsService.DEBUG_RESPONSE_STATS;

		import android.annotation.ElapsedRealtimeLong;
		import android.annotation.NonNull;
		import android.annotation.UserIdInt;
		import android.app.ActivityManager;
		import android.app.ActivityManager.ProcessState;
		import android.os.UserHandle;
		import android.text.TextUtils;
		import android.util.Slog;
		import android.util.TimeUtils;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.util.IndentingPrintWriter;
		import com.android.internal.util.RingBuffer;
		import com.android.server.usage.BroadcastResponseStatsTracker.NotificationEventType;

		public class BroadcastResponseStatsLogger {

		private static final int MAX_LOG_SIZE =
		ActivityManager.isLowRamDeviceStatic() ? 20 : 50;

		private final Object mLock = new Object();

		@GuardedBy("mLock")
		private final LogBuffer mBroadcastEventsBuffer = new LogBuffer(
		BroadcastEvent.class, MAX_LOG_SIZE);
		@GuardedBy("mLock")
		private final LogBuffer mNotificationEventsBuffer = new LogBuffer(
		NotificationEvent.class, MAX_LOG_SIZE);

		void logBroadcastDispatchEvent(int sourceUid, @NonNull String targetPackage,
		UserHandle targetUser, long idForResponseEvent,
		@ElapsedRealtimeLong long timeStampMs, @ProcessState int targetUidProcessState) {
		synchronized (mLock) {
		if (DEBUG_RESPONSE_STATS) {
		Slog.d(TAG, getBroadcastDispatchEventLog(sourceUid, targetPackage,
		targetUser.getIdentifier(), idForResponseEvent, timeStampMs,
		targetUidProcessState));
		}
		mBroadcastEventsBuffer.logBroadcastDispatchEvent(sourceUid, targetPackage,
		targetUser, idForResponseEvent, timeStampMs, targetUidProcessState);
		}
		}

		void logNotificationEvent(@NotificationEventType int event,
		@NonNull String packageName, UserHandle user, @ElapsedRealtimeLong long timestampMs) {
		synchronized (mLock) {
		if (DEBUG_RESPONSE_STATS) {
		Slog.d(TAG, getNotificationEventLog(event, packageName, user.getIdentifier(),
		timestampMs));
		}
		mNotificationEventsBuffer.logNotificationEvent(event, packageName, user, timestampMs);
		}
		}

		void dumpLogs(IndentingPrintWriter ipw) {
		synchronized (mLock) {
		ipw.println("Broadcast events (most recent first):");
		ipw.increaseIndent();
		mBroadcastEventsBuffer.reverseDump(ipw);
		ipw.decreaseIndent();

		ipw.println();
		ipw.println("Notification events (most recent first):");
		ipw.increaseIndent();
		mNotificationEventsBuffer.reverseDump(ipw);
		ipw.decreaseIndent();
		}
		}

		private static final class LogBuffer<T extends Data> extends RingBuffer<T> {

		LogBuffer(Class<T> classType, int capacity) {
		super(classType, capacity);
		}

		void logBroadcastDispatchEvent(int sourceUid, @NonNull String targetPackage,
		UserHandle targetUser, long idForResponseEvent,
		@ElapsedRealtimeLong long timeStampMs, @ProcessState int targetUidProcessState) {
		final Data data = getNextSlot();
		if (data == null) return;

		data.reset();
		final BroadcastEvent event = (BroadcastEvent) data;
		event.sourceUid = sourceUid;
		event.targetUserId = targetUser.getIdentifier();
		event.targetUidProcessState = targetUidProcessState;
		event.targetPackage = targetPackage;
		event.idForResponseEvent = idForResponseEvent;
		event.timestampMs = timeStampMs;
		}

		void logNotificationEvent(@NotificationEventType int type,
		@NonNull String packageName, UserHandle user,
		@ElapsedRealtimeLong long timestampMs) {
		final Data data = getNextSlot();
		if (data == null) return;

		data.reset();
		final NotificationEvent event = (NotificationEvent) data;
		event.type = type;
		event.packageName = packageName;
		event.userId = user.getIdentifier();
		event.timestampMs = timestampMs;
		}

		public void reverseDump(IndentingPrintWriter pw) {
		final Data[] allData = toArray();
		for (int i = allData.length - 1; i >= 0; --i) {
		if (allData[i] == null) {
		continue;
		}
		pw.println(getContent(allData[i]));
		}
		}

		@NonNull
		public String getContent(Data data) {
		return data.toString();
		}
		}

		@NonNull
		private static String getBroadcastDispatchEventLog(int sourceUid, @NonNull String targetPackage,
		@UserIdInt int targetUserId, long idForResponseEvent,
		@ElapsedRealtimeLong long timestampMs, @ProcessState int targetUidProcState) {
		return TextUtils.formatSimple(
		"broadcast:%s; srcUid=%d, tgtPkg=%s, tgtUsr=%d, id=%d, state=%s",
		TimeUtils.formatDuration(timestampMs), sourceUid, targetPackage, targetUserId,
		idForResponseEvent, procStateToString(targetUidProcState));
		}

		@NonNull
		private static String getNotificationEventLog(@NotificationEventType int event,
		@NonNull String packageName, @UserIdInt int userId,
		@ElapsedRealtimeLong long timestampMs) {
		return TextUtils.formatSimple("notification:%s; event=<%s>, pkg=%s, usr=%d",
		TimeUtils.formatDuration(timestampMs), notificationEventToString(event),
		packageName, userId);
		}

		@NonNull
		private static String notificationEventToString(@NotificationEventType int event) {
		switch (event) {
		case NOTIFICATION_EVENT_TYPE_POSTED:
		return "posted";
		case NOTIFICATION_EVENT_TYPE_UPDATED:
		return "updated";
		case NOTIFICATION_EVENT_TYPE_CANCELLED:
		return "cancelled";
		default:
		return String.valueOf(event);
		}
		}

		public static final class BroadcastEvent implements Data {
		public int sourceUid;
		public int targetUserId;
		public int targetUidProcessState;
		public String targetPackage;
		public long idForResponseEvent;
		public long timestampMs;

		@Override
		public void reset() {
		targetPackage = null;
		}

		@Override
		public String toString() {
		return getBroadcastDispatchEventLog(sourceUid, targetPackage, targetUserId,
		idForResponseEvent, timestampMs, targetUidProcessState);
		}
		}

		public static final class NotificationEvent implements Data {
		public int type;
		public String packageName;
		public int userId;
		public long timestampMs;

		@Override
		public void reset() {
		packageName = null;
		}

		@Override
		public String toString() {
		return getNotificationEventLog(type, packageName, userId, timestampMs);
		}
		}

		public interface Data {
		void reset();
		}
		}

services/usage/java/com/android/server/usage/BroadcastResponseStatsTracker.java

+23 −49

Original line number	Diff line number	Diff line
		@@ -16,10 +16,6 @@

		package com.android.server.usage;

		import static android.app.ActivityManager.procStateToString;

		import static com.android.server.usage.UsageStatsService.DEBUG_RESPONSE_STATS;

		import android.annotation.ElapsedRealtimeLong;
		import android.annotation.IntDef;
		import android.annotation.IntRange;
		@@ -29,11 +25,9 @@ import android.annotation.UserIdInt;
		import android.app.ActivityManager.ProcessState;
		import android.app.usage.BroadcastResponseStats;
		import android.os.UserHandle;
		import android.text.TextUtils;
		import android.util.LongSparseArray;
		import android.util.Slog;
		import android.util.SparseArray;
		import android.util.TimeUtils;

		import com.android.internal.annotations.GuardedBy;
		import com.android.internal.util.IndentingPrintWriter;
		@@ -44,19 +38,19 @@ import java.util.ArrayList;
		import java.util.List;

		class BroadcastResponseStatsTracker {
		private static final String TAG = "ResponseStatsTracker";
		static final String TAG = "ResponseStatsTracker";

		@Retention(RetentionPolicy.SOURCE)
		@IntDef(prefix = {"NOTIFICATION_EVENT"}, value = {
		NOTIFICATION_EVENT_POSTED,
		NOTIFICATION_EVENT_UPDATED,
		NOTIFICATION_EVENT_CANCELLED
		@IntDef(prefix = {"NOTIFICATION_EVENT_TYPE_"}, value = {
		NOTIFICATION_EVENT_TYPE_POSTED,
		NOTIFICATION_EVENT_TYPE_UPDATED,
		NOTIFICATION_EVENT_TYPE_CANCELLED
		})
		public @interface NotificationEvent {}
		public @interface NotificationEventType {}

		private static final int NOTIFICATION_EVENT_POSTED = 0;
		private static final int NOTIFICATION_EVENT_UPDATED = 1;
		private static final int NOTIFICATION_EVENT_CANCELLED = 2;
		static final int NOTIFICATION_EVENT_TYPE_POSTED = 0;
		static final int NOTIFICATION_EVENT_TYPE_UPDATED = 1;
		static final int NOTIFICATION_EVENT_TYPE_CANCELLED = 2;

		private final Object mLock = new Object();

		@@ -76,21 +70,19 @@ class BroadcastResponseStatsTracker {
		new SparseArray<>();

		private AppStandbyInternal mAppStandby;
		private BroadcastResponseStatsLogger mLogger;

		BroadcastResponseStatsTracker(@NonNull AppStandbyInternal appStandby) {
		mAppStandby = appStandby;
		mLogger = new BroadcastResponseStatsLogger();
		}

		// TODO (206518114): Move all callbacks handling to a handler thread.
		void reportBroadcastDispatchEvent(int sourceUid, @NonNull String targetPackage,
		UserHandle targetUser, long idForResponseEvent,
		@ElapsedRealtimeLong long timestampMs, @ProcessState int targetUidProcState) {
		if (DEBUG_RESPONSE_STATS) {
		Slog.d(TAG, TextUtils.formatSimple("reportBroadcastDispatchEvent; "
		+ "srcUid=%d, tgtPkg=%s, tgtUsr=%d, id=%d, ts=%s, state=%s",
		sourceUid, targetPackage, targetUser, idForResponseEvent,
		TimeUtils.formatDuration(timestampMs), procStateToString(targetUidProcState)));
		}
		mLogger.logBroadcastDispatchEvent(sourceUid, targetPackage, targetUser,
		idForResponseEvent, timestampMs, targetUidProcState);
		if (targetUidProcState <= mAppStandby.getBroadcastResponseFgThresholdState()) {
		// No need to track the broadcast response state while the target app is
		// in the foreground.
		@@ -110,29 +102,23 @@ class BroadcastResponseStatsTracker {

		void reportNotificationPosted(@NonNull String packageName, UserHandle user,
		@ElapsedRealtimeLong long timestampMs) {
		reportNotificationEvent(NOTIFICATION_EVENT_POSTED, packageName, user, timestampMs);
		reportNotificationEvent(NOTIFICATION_EVENT_TYPE_POSTED, packageName, user, timestampMs);
		}

		void reportNotificationUpdated(@NonNull String packageName, UserHandle user,
		@ElapsedRealtimeLong long timestampMs) {
		reportNotificationEvent(NOTIFICATION_EVENT_UPDATED, packageName, user, timestampMs);
		reportNotificationEvent(NOTIFICATION_EVENT_TYPE_UPDATED, packageName, user, timestampMs);

		}

		void reportNotificationCancelled(@NonNull String packageName, UserHandle user,
		@ElapsedRealtimeLong long timestampMs) {
		reportNotificationEvent(NOTIFICATION_EVENT_CANCELLED, packageName, user, timestampMs);
		reportNotificationEvent(NOTIFICATION_EVENT_TYPE_CANCELLED, packageName, user, timestampMs);
		}

		private void reportNotificationEvent(@NotificationEvent int event,
		private void reportNotificationEvent(@NotificationEventType int event,
		@NonNull String packageName, UserHandle user, @ElapsedRealtimeLong long timestampMs) {
		if (DEBUG_RESPONSE_STATS) {
		Slog.d(TAG, TextUtils.formatSimple(
		"reportNotificationEvent; event=<%s>, pkg=%s, usr=%d, ts=%s",
		notificationEventToString(event), packageName, user.getIdentifier(),
		TimeUtils.formatDuration(timestampMs)));
		}
		// TODO (206518114): Store last N events to dump for debugging purposes.
		mLogger.logNotificationEvent(event, packageName, user, timestampMs);
		synchronized (mLock) {
		final LongSparseArray<BroadcastEvent> broadcastEvents =
		getBroadcastEventsLocked(packageName, user);
		@@ -157,13 +143,13 @@ class BroadcastResponseStatsTracker {
		continue;
		}
		switch (event) {
		case NOTIFICATION_EVENT_POSTED:
		case NOTIFICATION_EVENT_TYPE_POSTED:
		responseStats.incrementNotificationsPostedCount(1);
		break;
		case NOTIFICATION_EVENT_UPDATED:
		case NOTIFICATION_EVENT_TYPE_UPDATED:
		responseStats.incrementNotificationsUpdatedCount(1);
		break;
		case NOTIFICATION_EVENT_CANCELLED:
		case NOTIFICATION_EVENT_TYPE_CANCELLED:
		responseStats.incrementNotificationsCancelledCount(1);
		break;
		default:
		@@ -329,20 +315,6 @@ class BroadcastResponseStatsTracker {
		return userResponseStats.getOrCreateBroadcastResponseStats(broadcastEvent);
		}

		@NonNull
		private String notificationEventToString(@NotificationEvent int event) {
		switch (event) {
		case NOTIFICATION_EVENT_POSTED:
		return "posted";
		case NOTIFICATION_EVENT_UPDATED:
		return "updated";
		case NOTIFICATION_EVENT_CANCELLED:
		return "cancelled";
		default:
		return String.valueOf(event);
		}
		}

		void dump(@NonNull IndentingPrintWriter ipw) {
		ipw.println("Broadcast response stats:");
		ipw.increaseIndent();
		@@ -351,6 +323,8 @@ class BroadcastResponseStatsTracker {
		dumpBroadcastEventsLocked(ipw);
		ipw.println();
		dumpResponseStatsLocked(ipw);
		ipw.println();
		mLogger.dumpLogs(ipw);
		}

		ipw.decreaseIndent();