Log the list of broadcasts sent. (bad9bce4) · Commits · e / os / android_frameworks_base

services/core/java/com/android/server/am/ActivityManagerService.java

+36 −3

Original line number	Diff line number	Diff line
		@@ -15312,12 +15312,17 @@ public class ActivityManagerService extends IActivityManager.Stub
		final int cookie = traceBroadcastIntentBegin(intent, resultTo, ordered, sticky,
		callingUid, realCallingUid, userId);
		try {
		final BroadcastSentEventRecord broadcastSentEventRecord =
		new BroadcastSentEventRecord();
		final int res = broadcastIntentLockedTraced(callerApp, callerPackage, callerFeatureId,
		intent, resolvedType, resultToApp, resultTo, resultCode, resultData,
		resultExtras, requiredPermissions, excludedPermissions, excludedPackages,
		appOp, BroadcastOptions.fromBundleNullable(bOptions), ordered, sticky,
		callingPid, callingUid, realCallingUid, realCallingPid, userId,
		backgroundStartPrivileges, broadcastAllowList, filterExtrasForReceiver);
		backgroundStartPrivileges, broadcastAllowList, filterExtrasForReceiver,
		broadcastSentEventRecord);
		broadcastSentEventRecord.setResult(res);
		broadcastSentEventRecord.logToStatsd();
		return res;
		} finally {
		traceBroadcastIntentEnd(cookie);
		@@ -15365,7 +15370,8 @@ public class ActivityManagerService extends IActivityManager.Stub
		int callingUid, int realCallingUid, int realCallingPid, int userId,
		BackgroundStartPrivileges backgroundStartPrivileges,
		@Nullable int[] broadcastAllowList,
		@Nullable BiFunction<Integer, Bundle, Bundle> filterExtrasForReceiver) {
		@Nullable BiFunction<Integer, Bundle, Bundle> filterExtrasForReceiver,
		@NonNull BroadcastSentEventRecord broadcastSentEventRecord) {
		// Ensure all internal loopers are registered for idle checks
		BroadcastLoopers.addMyLooper();

		@@ -15398,6 +15404,17 @@ public class ActivityManagerService extends IActivityManager.Stub
		}

		intent = new Intent(intent);
		broadcastSentEventRecord.setIntent(intent);
		broadcastSentEventRecord.setOriginalIntentFlags(intent.getFlags());
		broadcastSentEventRecord.setSenderUid(callingUid);
		broadcastSentEventRecord.setRealSenderUid(realCallingUid);
		broadcastSentEventRecord.setSticky(sticky);
		broadcastSentEventRecord.setOrdered(ordered);
		broadcastSentEventRecord.setResultRequested(resultTo != null);
		final int callerAppProcessState = getRealProcessStateLocked(callerApp, realCallingPid);
		broadcastSentEventRecord.setSenderProcState(callerAppProcessState);
		broadcastSentEventRecord.setSenderUidState(getRealUidStateLocked(callerApp,
		realCallingPid));

		final boolean callerInstantApp = isInstantApp(callerApp, callerPackage, callingUid);
		// Instant Apps cannot use FLAG_RECEIVER_VISIBLE_TO_INSTANT_APPS
		@@ -15891,7 +15908,6 @@ public class ActivityManagerService extends IActivityManager.Stub
		}
		}

		final int callerAppProcessState = getRealProcessStateLocked(callerApp, realCallingPid);
		// Add to the sticky list if requested.
		if (sticky) {
		if (checkPermission(android.Manifest.permission.BROADCAST_STICKY,
		@@ -16131,6 +16147,7 @@ public class ActivityManagerService extends IActivityManager.Stub
		ordered, sticky, false, userId,
		backgroundStartPrivileges, timeoutExempt, filterExtrasForReceiver,
		callerAppProcessState);
		broadcastSentEventRecord.setBroadcastRecord(r);

		if (DEBUG_BROADCAST) Slog.v(TAG_BROADCAST, "Enqueueing ordered broadcast " + r);
		queue.enqueueBroadcastLocked(r);
		@@ -16187,6 +16204,22 @@ public class ActivityManagerService extends IActivityManager.Stub
		return PROCESS_STATE_NONEXISTENT;
		}

		@GuardedBy("this")
		private int getRealUidStateLocked(ProcessRecord app, int pid) {
		if (app == null) {
		synchronized (mPidsSelfLocked) {
		app = mPidsSelfLocked.get(pid);
		}
		}
		if (app != null && app.getThread() != null && !app.isKilled()) {
		final UidRecord uidRecord = app.getUidRecord();
		if (uidRecord != null) {
		return uidRecord.getCurProcState();
		}
		}
		return PROCESS_STATE_NONEXISTENT;
		}

		@VisibleForTesting
		ArrayList<StickyBroadcast> getStickyBroadcastsForTest(String action, int userId) {
		synchronized (mStickyBroadcasts) {

services/core/java/com/android/server/am/BroadcastRecord.java

+41 −0

Original line number	Diff line number	Diff line
		@@ -53,6 +53,7 @@ import android.os.Bundle;
		import android.os.SystemClock;
		import android.os.UserHandle;
		import android.util.ArrayMap;
		import android.util.IntArray;
		import android.util.PrintWriterPrinter;
		import android.util.TimeUtils;
		import android.util.proto.ProtoOutputStream;
		@@ -940,6 +941,46 @@ final class BroadcastRecord extends Binder {
		return type;
		}

		int[] calculateTypesForLogging() {
		final IntArray types = new IntArray();
		if (isForeground()) {
		types.add(BROADCAST_TYPE_FOREGROUND);
		} else {
		types.add(BROADCAST_TYPE_BACKGROUND);
		}
		if (alarm) {
		types.add(BROADCAST_TYPE_ALARM);
		}
		if (interactive) {
		types.add(BROADCAST_TYPE_INTERACTIVE);
		}
		if (ordered) {
		types.add(BROADCAST_TYPE_ORDERED);
		}
		if (prioritized) {
		types.add(BROADCAST_TYPE_PRIORITIZED);
		}
		if (resultTo != null) {
		types.add(BROADCAST_TYPE_RESULT_TO);
		}
		if (deferUntilActive) {
		types.add(BROADCAST_TYPE_DEFERRABLE_UNTIL_ACTIVE);
		}
		if (pushMessage) {
		types.add(BROADCAST_TYPE_PUSH_MESSAGE);
		}
		if (pushMessageOverQuota) {
		types.add(BROADCAST_TYPE_PUSH_MESSAGE_OVER_QUOTA);
		}
		if (sticky) {
		types.add(BROADCAST_TYPE_STICKY);
		}
		if (initialSticky) {
		types.add(BROADCAST_TYPE_INITIAL_STICKY);
		}
		return types.toArray();
		}

		public BroadcastRecord maybeStripForHistory() {
		if (!intent.canStripForHistory()) {
		return this;

services/core/java/com/android/server/am/BroadcastSentEventRecord.java

0 → 100644

+134 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2024 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.am;

		import static android.app.AppProtoEnums.BROADCAST_TYPE_ORDERED;
		import static android.app.AppProtoEnums.BROADCAST_TYPE_RESULT_TO;
		import static android.app.AppProtoEnums.BROADCAST_TYPE_STICKY;

		import static com.android.internal.util.FrameworkStatsLog.BROADCAST_SENT;
		import static com.android.internal.util.FrameworkStatsLog.BROADCAST_SENT__RESULT__FAILED_STICKY_CANT_HAVE_PERMISSION;
		import static com.android.internal.util.FrameworkStatsLog.BROADCAST_SENT__RESULT__FAILED_USER_STOPPED;
		import static com.android.internal.util.FrameworkStatsLog.BROADCAST_SENT__RESULT__SUCCESS;
		import static com.android.internal.util.FrameworkStatsLog.BROADCAST_SENT__RESULT__UNKNOWN;

		import android.annotation.NonNull;
		import android.annotation.Nullable;
		import android.app.ActivityManager;
		import android.content.Intent;
		import android.util.IntArray;

		import com.android.internal.util.FrameworkStatsLog;

		final class BroadcastSentEventRecord {
		@NonNull private Intent mIntent;
		private int mOriginalIntentFlags;
		private int mSenderUid;
		private int mRealSenderUid;
		private boolean mSticky;
		private boolean mOrdered;
		private boolean mResultRequested;
		private int mSenderProcState;
		private int mSenderUidState;
		@Nullable private BroadcastRecord mBroadcastRecord;
		private int mResult;

		public void setIntent(@NonNull Intent intent) {
		mIntent = intent;
		}

		public void setSenderUid(int uid) {
		mSenderUid = uid;
		}

		public void setRealSenderUid(int uid) {
		mRealSenderUid = uid;
		}

		public void setOriginalIntentFlags(int flags) {
		mOriginalIntentFlags = flags;
		}

		public void setSticky(boolean sticky) {
		mSticky = sticky;
		}

		public void setOrdered(boolean ordered) {
		mOrdered = ordered;
		}

		public void setResultRequested(boolean resultRequested) {
		mResultRequested = resultRequested;
		}

		public void setSenderProcState(int procState) {
		mSenderProcState = procState;
		}

		public void setSenderUidState(int procState) {
		mSenderUidState = procState;
		}

		public void setBroadcastRecord(@NonNull BroadcastRecord record) {
		mBroadcastRecord = record;
		}

		public void setResult(int result) {
		mResult = result;
		}

		public void logToStatsd() {
		if (Flags.logBroadcastSentEvent()) {
		int loggingResult = switch (mResult) {
		case ActivityManager.BROADCAST_SUCCESS ->
		BROADCAST_SENT__RESULT__SUCCESS;
		case ActivityManager.BROADCAST_STICKY_CANT_HAVE_PERMISSION ->
		BROADCAST_SENT__RESULT__FAILED_STICKY_CANT_HAVE_PERMISSION;
		case ActivityManager.BROADCAST_FAILED_USER_STOPPED ->
		BROADCAST_SENT__RESULT__FAILED_USER_STOPPED;
		default -> BROADCAST_SENT__RESULT__UNKNOWN;
		};
		int[] types = calculateTypesForLogging();
		FrameworkStatsLog.write(BROADCAST_SENT, mIntent.getAction(), mIntent.getFlags(),
		mOriginalIntentFlags, mSenderUid, mRealSenderUid, mIntent.getPackage() != null,
		mIntent.getComponent() != null,
		mBroadcastRecord != null ? mBroadcastRecord.receivers.size() : 0,
		loggingResult,
		mBroadcastRecord != null ? mBroadcastRecord.getDeliveryGroupPolicy() : 0,
		ActivityManager.processStateAmToProto(mSenderProcState),
		ActivityManager.processStateAmToProto(mSenderUidState), types);
		}
		}

		private int[] calculateTypesForLogging() {
		if (mBroadcastRecord != null) {
		return mBroadcastRecord.calculateTypesForLogging();
		} else {
		final IntArray types = new IntArray();
		if (mSticky) {
		types.add(BROADCAST_TYPE_STICKY);
		}
		if (mOrdered) {
		types.add(BROADCAST_TYPE_ORDERED);
		}
		if (mResultRequested) {
		types.add(BROADCAST_TYPE_RESULT_TO);
		}
		return types.toArray();
		}
		}
		}

services/core/java/com/android/server/am/flags.aconfig

+11 −0

Original line number	Diff line number	Diff line
		@@ -184,3 +184,14 @@ flag {
		description: "Defer submitting binder calls to paused processes."
		bug: "327038797"
		}

		flag {
		name: "log_broadcast_sent_event"
		namespace: "backstage_power"
		description: "Log the broadcast send event to Statsd"
		bug: "355261986"
		is_fixed_read_only: true
		metadata {
		purpose: PURPOSE_BUGFIX
		}
		}
		No newline at end of file