LooperStats - convert UIDs to package names in dump (c4c45a8b) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/os/AppIdToPackageMap.java

0 → 100644

+79 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2018 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.internal.os;


		import android.app.AppGlobals;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		import android.os.RemoteException;
		import android.os.UserHandle;

		import com.android.internal.annotations.VisibleForTesting;

		import java.util.HashMap;
		import java.util.List;
		import java.util.Map;

		/** Maps AppIds to their package names. */
		public final class AppIdToPackageMap {
		private final Map<Integer, String> mAppIdToPackageMap;

		@VisibleForTesting
		public AppIdToPackageMap(Map<Integer, String> appIdToPackageMap) {
		mAppIdToPackageMap = appIdToPackageMap;
		}

		/** Creates a new {@link AppIdToPackageMap} for currently installed packages. */
		public static AppIdToPackageMap getSnapshot() {
		List<PackageInfo> packages;
		try {
		packages = AppGlobals.getPackageManager()
		.getInstalledPackages(PackageManager.MATCH_UNINSTALLED_PACKAGES
		\| PackageManager.MATCH_DIRECT_BOOT_UNAWARE
		\| PackageManager.MATCH_DIRECT_BOOT_AWARE,
		UserHandle.USER_SYSTEM).getList();
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		final Map<Integer, String> map = new HashMap<>();
		for (PackageInfo pkg : packages) {
		final int uid = pkg.applicationInfo.uid;
		if (pkg.sharedUserId != null && map.containsKey(uid)) {
		// Use sharedUserId string as package name if there are collisions
		map.put(uid, "shared:" + pkg.sharedUserId);
		} else {
		map.put(uid, pkg.packageName);
		}
		}
		return new AppIdToPackageMap(map);
		}

		/** Maps the AppId to a package name. */
		public String mapAppId(int appId) {
		String pkgName = mAppIdToPackageMap.get(appId);
		return pkgName == null ? String.valueOf(appId) : pkgName;
		}

		/** Maps the UID to a package name. */
		public String mapUid(int uid) {
		final int appId = UserHandle.getAppId(uid);
		final String pkgName = mAppIdToPackageMap.get(appId);
		final String uidStr = UserHandle.formatUid(uid);
		return pkgName == null ? uidStr : pkgName + '/' + uidStr;
		}
		}

core/java/com/android/internal/os/BinderCallsStats.java

+6 −15

Original line number	Diff line number	Diff line
		@@ -22,7 +22,6 @@ import android.os.Binder;
		import android.os.Process;
		import android.os.SystemClock;
		import android.os.ThreadLocalWorkSource;
		import android.os.UserHandle;
		import android.text.format.DateFormat;
		import android.util.ArrayMap;
		import android.util.Pair;
		@@ -356,14 +355,13 @@ public class BinderCallsStats implements BinderInternal.Observer {
		}

		/** Writes the collected statistics to the supplied {@link PrintWriter}.*/
		public void dump(PrintWriter pw, Map<Integer, String> appIdToPkgNameMap, boolean verbose) {
		public void dump(PrintWriter pw, AppIdToPackageMap packageMap, boolean verbose) {
		synchronized (mLock) {
		dumpLocked(pw, appIdToPkgNameMap, verbose);
		dumpLocked(pw, packageMap, verbose);
		}
		}

		private void dumpLocked(PrintWriter pw, Map<Integer, String> appIdToPkgNameMap,
		boolean verbose) {
		private void dumpLocked(PrintWriter pw, AppIdToPackageMap packageMap, boolean verbose) {
		long totalCallsCount = 0;
		long totalRecordedCallsCount = 0;
		long totalCpuTime = 0;
		@@ -397,9 +395,9 @@ public class BinderCallsStats implements BinderInternal.Observer {
		for (ExportedCallStat e : exportedCallStats) {
		sb.setLength(0);
		sb.append(" ")
		.append(uidToString(e.callingUid, appIdToPkgNameMap))
		.append(packageMap.mapUid(e.callingUid))
		.append(',')
		.append(uidToString(e.workSourceUid, appIdToPkgNameMap))
		.append(packageMap.mapUid(e.workSourceUid))
		.append(',').append(e.className)
		.append('#').append(e.methodName)
		.append(',').append(e.screenInteractive)
		@@ -420,7 +418,7 @@ public class BinderCallsStats implements BinderInternal.Observer {
		final List<UidEntry> summaryEntries = verbose ? entries
		: getHighestValues(entries, value -> value.cpuTimeMicros, 0.9);
		for (UidEntry entry : summaryEntries) {
		String uidStr = uidToString(entry.workSourceUid, appIdToPkgNameMap);
		String uidStr = packageMap.mapUid(entry.workSourceUid);
		pw.println(String.format(" %10d %3.0f%% %8d %8d %s",
		entry.cpuTimeMicros, 100d * entry.cpuTimeMicros / totalCpuTime,
		entry.recordedCallCount, entry.callCount, uidStr));
		@@ -448,13 +446,6 @@ public class BinderCallsStats implements BinderInternal.Observer {
		}
		}

		private static String uidToString(int uid, Map<Integer, String> pkgNameMap) {
		final int appId = UserHandle.getAppId(uid);
		final String pkgName = pkgNameMap == null ? null : pkgNameMap.get(appId);
		final String uidStr = UserHandle.formatUid(uid);
		return pkgName == null ? uidStr : pkgName + '/' + uidStr;
		}

		protected long getThreadTimeMicro() {
		return SystemClock.currentThreadTimeMicro();
		}

core/tests/coretests/src/com/android/internal/os/BinderCallsStatsTest.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -484,7 +484,7 @@ public class BinderCallsStatsTest {
		bcs.callEnded(callSession, REQUEST_SIZE, REPLY_SIZE);

		PrintWriter pw = new PrintWriter(new StringWriter());
		bcs.dump(pw, new HashMap<>(), true);
		bcs.dump(pw, new AppIdToPackageMap(new HashMap<>()), true);
		}

		@Test

services/core/java/com/android/server/BinderCallsStatsService.java

+5 −30

Original line number	Diff line number	Diff line
		@@ -19,7 +19,6 @@ package com.android.server;
		import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_AWARE;
		import static android.content.pm.PackageManager.MATCH_DIRECT_BOOT_UNAWARE;

		import android.app.AppGlobals;
		import android.content.Context;
		import android.content.pm.PackageInfo;
		import android.content.pm.PackageManager;
		@@ -28,7 +27,6 @@ import android.database.ContentObserver;
		import android.net.Uri;
		import android.os.Binder;
		import android.os.Process;
		import android.os.RemoteException;
		import android.os.SystemProperties;
		import android.os.ThreadLocalWorkSource;
		import android.os.UserHandle;
		@@ -39,6 +37,7 @@ import android.util.KeyValueListParser;
		import android.util.Slog;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.internal.os.AppIdToPackageMap;
		import com.android.internal.os.BackgroundThread;
		import com.android.internal.os.BinderCallsStats;
		import com.android.internal.os.BinderInternal;
		@@ -48,9 +47,7 @@ import com.android.internal.os.CachedDeviceState;
		import java.io.FileDescriptor;
		import java.io.PrintWriter;
		import java.util.ArrayList;
		import java.util.HashMap;
		import java.util.List;
		import java.util.Map;

		public class BinderCallsStatsService extends Binder {

		@@ -82,11 +79,11 @@ public class BinderCallsStatsService extends Binder {
		mAppIdWhitelist = createAppidWhitelist(context);
		}

		public void dump(PrintWriter pw, Map<Integer, String> appIdToPackageName) {
		public void dump(PrintWriter pw, AppIdToPackageMap packageMap) {
		pw.println("AppIds of apps that can set the work source:");
		final ArraySet<Integer> whitelist = mAppIdWhitelist;
		for (Integer appId : whitelist) {
		pw.println("\t- " + appIdToPackageName.getOrDefault(appId, String.valueOf(appId)));
		pw.println("\t- " + packageMap.mapAppId(appId));
		}
		}

		@@ -361,7 +358,7 @@ public class BinderCallsStatsService extends Binder {
		pw.println("Detailed tracking disabled");
		return;
		} else if ("--dump-worksource-provider".equals(arg)) {
		mWorkSourceProvider.dump(pw, getAppIdToPackagesMap());
		mWorkSourceProvider.dump(pw, AppIdToPackageMap.getSnapshot());
		return;
		} else if ("-h".equals(arg)) {
		pw.println("binder_calls_stats commands:");
		@@ -377,28 +374,6 @@ public class BinderCallsStatsService extends Binder {
		}
		}
		}
		mBinderCallsStats.dump(pw, getAppIdToPackagesMap(), verbose);
		}

		private Map<Integer, String> getAppIdToPackagesMap() {
		List<PackageInfo> packages;
		try {
		packages = AppGlobals.getPackageManager()
		.getInstalledPackages(PackageManager.MATCH_UNINSTALLED_PACKAGES,
		UserHandle.USER_SYSTEM).getList();
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		Map<Integer,String> map = new HashMap<>();
		for (PackageInfo pkg : packages) {
		String name = pkg.packageName;
		int uid = pkg.applicationInfo.uid;
		// Use sharedUserId string as package name if there are collisions
		if (pkg.sharedUserId != null && map.containsKey(uid)) {
		name = "shared:" + pkg.sharedUserId;
		}
		map.put(uid, name);
		}
		return map;
		mBinderCallsStats.dump(pw, AppIdToPackageMap.getSnapshot(), verbose);
		}
		}

services/core/java/com/android/server/LooperStatsService.java

+3 −1

Original line number	Diff line number	Diff line
		@@ -31,6 +31,7 @@ import android.text.format.DateFormat;
		import android.util.KeyValueListParser;
		import android.util.Slog;

		import com.android.internal.os.AppIdToPackageMap;
		import com.android.internal.os.BackgroundThread;
		import com.android.internal.os.CachedDeviceState;
		import com.android.internal.os.LooperStats;
		@@ -92,6 +93,7 @@ public class LooperStatsService extends Binder {
		@Override
		protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		if (!DumpUtils.checkDumpPermission(mContext, TAG, pw)) return;
		AppIdToPackageMap packageMap = AppIdToPackageMap.getSnapshot();
		pw.print("Start time: ");
		pw.println(DateFormat.format("yyyy-MM-dd HH:mm:ss", mStats.getStartTimeMillis()));
		pw.print("On battery time (ms): ");
		@@ -121,7 +123,7 @@ public class LooperStatsService extends Binder {
		pw.println(header);
		for (LooperStats.ExportedEntry entry : entries) {
		pw.printf("%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s\n",
		entry.workSourceUid,
		packageMap.mapUid(entry.workSourceUid),
		entry.threadName,
		entry.handlerClassName,
		entry.messageName,