Add new am option to profile the launching of an activity. (62f20ecf) · Commits · e / os / android_frameworks_base

cmds/am/src/com/android/commands/am/Am.java

+35 −6

Original line number	Diff line number	Diff line
		@@ -57,6 +57,9 @@ public class Am {
		private boolean mDebugOption = false;
		private boolean mWaitOption = false;

		private String mProfileFile;
		private boolean mProfileAutoStop;

		// These are magic strings understood by the Eclipse plugin.
		private static final String FATAL_ERROR_CODE = "Error type 1";
		private static final String NO_SYSTEM_ERROR_CODE = "Error type 2";
		@@ -249,6 +252,12 @@ public class Am {
		mDebugOption = true;
		} else if (opt.equals("-W")) {
		mWaitOption = true;
		} else if (opt.equals("-P")) {
		mProfileFile = nextArgRequired();
		mProfileAutoStop = true;
		} else if (opt.equals("--start-profiler")) {
		mProfileFile = nextArgRequired();
		mProfileAutoStop = false;
		} else {
		System.err.println("Error: Unknown option: " + opt);
		showUsage();
		@@ -294,16 +303,34 @@ public class Am {
		Intent intent = makeIntent();
		System.out.println("Starting: " + intent);
		intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);

		ParcelFileDescriptor fd = null;

		if (mProfileFile != null) {
		try {
		fd = ParcelFileDescriptor.open(
		new File(mProfileFile),
		ParcelFileDescriptor.MODE_CREATE \|
		ParcelFileDescriptor.MODE_TRUNCATE \|
		ParcelFileDescriptor.MODE_READ_WRITE);
		} catch (FileNotFoundException e) {
		System.err.println("Error: Unable to open file: " + mProfileFile);
		return;
		}
		}

		// XXX should do something to determine the MIME type.
		IActivityManager.WaitResult result = null;
		int res;
		if (mWaitOption) {
		result = mAm.startActivityAndWait(null, intent, intent.getType(),
		null, 0, null, null, 0, false, mDebugOption);
		null, 0, null, null, 0, false, mDebugOption,
		mProfileFile, fd, mProfileAutoStop);
		res = result.result;
		} else {
		res = mAm.startActivity(null, intent, intent.getType(),
		null, 0, null, null, 0, false, mDebugOption);
		null, 0, null, null, 0, false, mDebugOption,
		mProfileFile, fd, mProfileAutoStop);
		}
		PrintStream out = mWaitOption ? System.out : System.err;
		boolean launched = false;
		@@ -483,7 +510,7 @@ public class Am {
		wall = "--wall".equals(nextOption());
		process = nextArgRequired();
		} else if ("stop".equals(cmd)) {
		process = nextArgRequired();
		process = nextArg();
		} else {
		// Compatibility with old syntax: process is specified first.
		process = cmd;
		@@ -1076,14 +1103,14 @@ public class Am {
		private static void showUsage() {
		System.err.println(
		"usage: am [subcommand] [options]\n" +
		"usage: am start [-D] [-W] <INTENT>\n" +
		"usage: am start [-D] [-W] [-P <FILE>] [--start-profiler <FILE>] <INTENT>\n" +
		" am startservice <INTENT>\n" +
		" am force-stop <PACKAGE>\n" +
		" am broadcast <INTENT>\n" +
		" am instrument [-r] [-e <NAME> <VALUE>] [-p] [-w]\n" +
		" am instrument [-r] [-e <NAME> <VALUE>] [-p <FILE>] [-w]\n" +
		" [--no-window-animation] <COMPONENT>\n" +
		" am profile [looper] start <PROCESS> <FILE>\n" +
		" am profile [looper] stop <PROCESS>\n" +
		" am profile [looper] stop [<PROCESS>]\n" +
		" am dumpheap [flags] <PROCESS> <FILE>\n" +
		" am monitor [--gdb <port>]\n" +
		" am screen-compat [on\|off] <PACKAGE>\n" +
		@@ -1092,6 +1119,8 @@ public class Am {
		"am start: start an Activity. Options are:\n" +
		" -D: enable debugging\n" +
		" -W: wait for launch to complete\n" +
		" --start-profiler <FILE>: start profiler and send results to <FILE>\n" +
		" -P <FILE>: like above, but profiling stops when app goes idle\n" +
		"\n" +
		"am startservice: start a Service.\n" +
		"\n" +

core/java/android/app/Activity.java

+2 −1

Original line number	Diff line number	Diff line
		@@ -3353,7 +3353,8 @@ public class Activity extends ContextThemeWrapper
		intent, intent.resolveTypeIfNeeded(
		getContentResolver()),
		null, 0,
		mToken, mEmbeddedID, requestCode, true, false);
		mToken, mEmbeddedID, requestCode, true, false,
		null, null, false);
		} catch (RemoteException e) {
		// Empty
		}

core/java/android/app/ActivityManagerNative.java

+35 −6

Original line number	Diff line number	Diff line
		@@ -124,9 +124,13 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
		int requestCode = data.readInt();
		boolean onlyIfNeeded = data.readInt() != 0;
		boolean debug = data.readInt() != 0;
		String profileFile = data.readString();
		ParcelFileDescriptor profileFd = data.readInt() != 0
		? data.readFileDescriptor() : null;
		boolean autoStopProfiler = data.readInt() != 0;
		int result = startActivity(app, intent, resolvedType,
		grantedUriPermissions, grantedMode, resultTo, resultWho,
		requestCode, onlyIfNeeded, debug);
		requestCode, onlyIfNeeded, debug, profileFile, profileFd, autoStopProfiler);
		reply.writeNoException();
		reply.writeInt(result);
		return true;
		@@ -146,9 +150,13 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
		int requestCode = data.readInt();
		boolean onlyIfNeeded = data.readInt() != 0;
		boolean debug = data.readInt() != 0;
		String profileFile = data.readString();
		ParcelFileDescriptor profileFd = data.readInt() != 0
		? data.readFileDescriptor() : null;
		boolean autoStopProfiler = data.readInt() != 0;
		WaitResult result = startActivityAndWait(app, intent, resolvedType,
		grantedUriPermissions, grantedMode, resultTo, resultWho,
		requestCode, onlyIfNeeded, debug);
		requestCode, onlyIfNeeded, debug, profileFile, profileFd, autoStopProfiler);
		reply.writeNoException();
		result.writeToParcel(reply, 0);
		return true;
		@@ -349,8 +357,9 @@ public abstract class ActivityManagerNative extends Binder implements IActivityM
		if (data.readInt() != 0) {
		config = Configuration.CREATOR.createFromParcel(data);
		}
		boolean stopProfiling = data.readInt() != 0;
		if (token != null) {
		activityIdle(token, config);
		activityIdle(token, config, stopProfiling);
		}
		reply.writeNoException();
		return true;
		@@ -1572,7 +1581,8 @@ class ActivityManagerProxy implements IActivityManager
		String resolvedType, Uri[] grantedUriPermissions, int grantedMode,
		IBinder resultTo, String resultWho,
		int requestCode, boolean onlyIfNeeded,
		boolean debug) throws RemoteException {
		boolean debug, String profileFile, ParcelFileDescriptor profileFd,
		boolean autoStopProfiler) throws RemoteException {
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		data.writeInterfaceToken(IActivityManager.descriptor);
		@@ -1586,6 +1596,14 @@ class ActivityManagerProxy implements IActivityManager
		data.writeInt(requestCode);
		data.writeInt(onlyIfNeeded ? 1 : 0);
		data.writeInt(debug ? 1 : 0);
		data.writeString(profileFile);
		if (profileFd != null) {
		data.writeInt(1);
		profileFd.writeToParcel(data, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
		} else {
		data.writeInt(0);
		}
		data.writeInt(autoStopProfiler ? 1 : 0);
		mRemote.transact(START_ACTIVITY_TRANSACTION, data, reply, 0);
		reply.readException();
		int result = reply.readInt();
		@@ -1597,7 +1615,8 @@ class ActivityManagerProxy implements IActivityManager
		String resolvedType, Uri[] grantedUriPermissions, int grantedMode,
		IBinder resultTo, String resultWho,
		int requestCode, boolean onlyIfNeeded,
		boolean debug) throws RemoteException {
		boolean debug, String profileFile, ParcelFileDescriptor profileFd,
		boolean autoStopProfiler) throws RemoteException {
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		data.writeInterfaceToken(IActivityManager.descriptor);
		@@ -1611,6 +1630,14 @@ class ActivityManagerProxy implements IActivityManager
		data.writeInt(requestCode);
		data.writeInt(onlyIfNeeded ? 1 : 0);
		data.writeInt(debug ? 1 : 0);
		data.writeString(profileFile);
		if (profileFd != null) {
		data.writeInt(1);
		profileFd.writeToParcel(data, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
		} else {
		data.writeInt(0);
		}
		data.writeInt(autoStopProfiler ? 1 : 0);
		mRemote.transact(START_ACTIVITY_AND_WAIT_TRANSACTION, data, reply, 0);
		reply.readException();
		WaitResult result = WaitResult.CREATOR.createFromParcel(reply);
		@@ -1829,7 +1856,8 @@ class ActivityManagerProxy implements IActivityManager
		data.recycle();
		reply.recycle();
		}
		public void activityIdle(IBinder token, Configuration config) throws RemoteException
		public void activityIdle(IBinder token, Configuration config, boolean stopProfiling)
		throws RemoteException
		{
		Parcel data = Parcel.obtain();
		Parcel reply = Parcel.obtain();
		@@ -1841,6 +1869,7 @@ class ActivityManagerProxy implements IActivityManager
		} else {
		data.writeInt(0);
		}
		data.writeInt(stopProfiling ? 1 : 0);
		mRemote.transact(ACTIVITY_IDLE_TRANSACTION, data, reply, IBinder.FLAG_ONEWAY);
		reply.readException();
		data.recycle();

core/java/android/app/ActivityThread.java

+96 −10

Original line number	Diff line number	Diff line
		@@ -225,6 +225,10 @@ public final class ActivityThread {
		Configuration createdConfig;
		ActivityClientRecord nextIdle;

		String profileFile;
		ParcelFileDescriptor profileFd;
		boolean autoStopProfiler;

		ActivityInfo activityInfo;
		CompatibilityInfo compatInfo;
		LoadedApk packageInfo;
		@@ -361,6 +365,9 @@ public final class ActivityThread {
		List<ProviderInfo> providers;
		ComponentName instrumentationName;
		String profileFile;
		ParcelFileDescriptor profileFd;
		boolean autoStopProfiler;
		boolean profiling;
		Bundle instrumentationArgs;
		IInstrumentationWatcher instrumentationWatcher;
		int debugMode;
		@@ -371,6 +378,57 @@ public final class ActivityThread {
		public String toString() {
		return "AppBindData{appInfo=" + appInfo + "}";
		}
		public void setProfiler(String file, ParcelFileDescriptor fd) {
		if (profiling) {
		if (fd != null) {
		try {
		fd.close();
		} catch (IOException e) {
		}
		}
		return;
		}
		if (profileFd != null) {
		try {
		profileFd.close();
		} catch (IOException e) {
		}
		}
		profileFile = file;
		profileFd = fd;
		}
		public void startProfiling() {
		if (profileFd == null \|\| profiling) {
		return;
		}
		try {
		Debug.startMethodTracing(profileFile, profileFd.getFileDescriptor(),
		8 * 1024 * 1024, 0);
		profiling = true;
		} catch (RuntimeException e) {
		Slog.w(TAG, "Profiling failed on path " + profileFile);
		try {
		profileFd.close();
		profileFd = null;
		} catch (IOException e2) {
		Slog.w(TAG, "Failure closing profile fd", e2);
		}
		}
		}
		public void stopProfiling() {
		if (profiling) {
		profiling = false;
		Debug.stopMethodTracing();
		if (profileFd != null) {
		try {
		profileFd.close();
		} catch (IOException e) {
		}
		}
		profileFd = null;
		profileFile = null;
		}
		}
		}

		static final class DumpComponentInfo {
		@@ -463,7 +521,8 @@ public final class ActivityThread {
		public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident,
		ActivityInfo info, CompatibilityInfo compatInfo, Bundle state,
		List<ResultInfo> pendingResults,
		List<Intent> pendingNewIntents, boolean notResumed, boolean isForward) {
		List<Intent> pendingNewIntents, boolean notResumed, boolean isForward,
		String profileName, ParcelFileDescriptor profileFd, boolean autoStopProfiler) {
		ActivityClientRecord r = new ActivityClientRecord();

		r.token = token;
		@@ -479,6 +538,10 @@ public final class ActivityThread {
		r.startsNotResumed = notResumed;
		r.isForward = isForward;

		r.profileFile = profileName;
		r.profileFd = profileFd;
		r.autoStopProfiler = autoStopProfiler;

		queueOrSendMessage(H.LAUNCH_ACTIVITY, r);
		}

		@@ -579,6 +642,7 @@ public final class ActivityThread {
		public final void bindApplication(String processName,
		ApplicationInfo appInfo, List<ProviderInfo> providers,
		ComponentName instrumentationName, String profileFile,
		ParcelFileDescriptor profileFd, boolean autoStopProfiler,
		Bundle instrumentationArgs, IInstrumentationWatcher instrumentationWatcher,
		int debugMode, boolean isRestrictedBackupMode, Configuration config,
		CompatibilityInfo compatInfo, Map<String, IBinder> services,
		@@ -596,7 +660,8 @@ public final class ActivityThread {
		data.appInfo = appInfo;
		data.providers = providers;
		data.instrumentationName = instrumentationName;
		data.profileFile = profileFile;
		data.setProfiler(profileFile, profileFd);
		data.autoStopProfiler = false;
		data.instrumentationArgs = instrumentationArgs;
		data.instrumentationWatcher = instrumentationWatcher;
		data.debugMode = debugMode;
		@@ -1225,6 +1290,10 @@ public final class ActivityThread {
		private class Idler implements MessageQueue.IdleHandler {
		public final boolean queueIdle() {
		ActivityClientRecord a = mNewActivities;
		boolean stopProfiling = false;
		if (mBoundApplication.profileFd != null && mBoundApplication.autoStopProfiler) {
		stopProfiling = true;
		}
		if (a != null) {
		mNewActivities = null;
		IActivityManager am = ActivityManagerNative.getDefault();
		@@ -1236,7 +1305,7 @@ public final class ActivityThread {
		(a.activity != null && a.activity.mFinished));
		if (a.activity != null && !a.activity.mFinished) {
		try {
		am.activityIdle(a.token, a.createdConfig);
		am.activityIdle(a.token, a.createdConfig, stopProfiling);
		a.createdConfig = null;
		} catch (RemoteException ex) {
		// Ignore
		@@ -1247,6 +1316,9 @@ public final class ActivityThread {
		prev.nextIdle = null;
		} while (a != null);
		}
		if (stopProfiling) {
		mBoundApplication.stopProfiling();
		}
		ensureJitEnabled();
		return false;
		}
		@@ -1560,7 +1632,8 @@ public final class ActivityThread {
		}

		public boolean isProfiling() {
		return mBoundApplication != null && mBoundApplication.profileFile != null;
		return mBoundApplication != null && mBoundApplication.profileFile != null
		&& mBoundApplication.profileFd == null;
		}

		public String getProfileFilePath() {
		@@ -1870,6 +1943,13 @@ public final class ActivityThread {
		// we are back active so skip it.
		unscheduleGcIdler();

		Slog.i(TAG, "Launch: profileFd=" + r.profileFile + " stop=" + r.autoStopProfiler);
		if (r.profileFd != null) {
		mBoundApplication.setProfiler(r.profileFile, r.profileFd);
		mBoundApplication.startProfiling();
		mBoundApplication.autoStopProfiler = r.autoStopProfiler;
		}

		if (localLOGV) Slog.v(
		TAG, "Handling launch of " + r);
		Activity a = performLaunchActivity(r, customIntent);
		@@ -3489,8 +3569,9 @@ public final class ActivityThread {
		ViewDebug.startLooperProfiling(pcd.path, pcd.fd.getFileDescriptor());
		break;
		default:
		Debug.startMethodTracing(pcd.path, pcd.fd.getFileDescriptor(),
		8 * 1024 * 1024, 0);
		mBoundApplication.setProfiler(pcd.path, pcd.fd);
		mBoundApplication.autoStopProfiler = false;
		mBoundApplication.startProfiling();
		break;
		}
		} catch (RuntimeException e) {
		@@ -3509,9 +3590,8 @@ public final class ActivityThread {
		ViewDebug.stopLooperProfiling();
		break;
		default:
		Debug.stopMethodTracing();
		mBoundApplication.stopProfiling();
		break;

		}
		}
		}
		@@ -3607,6 +3687,10 @@ public final class ActivityThread {
		Process.setArgV0(data.processName);
		android.ddm.DdmHandleAppName.setAppName(data.processName);

		if (data.profileFd != null) {
		data.startProfiling();
		}

		// If the app is Honeycomb MR1 or earlier, switch its AsyncTask
		// implementation to use the pool executor. Normally, we use the
		// serialized executor as the default. This has to happen in the
		@@ -3745,7 +3829,8 @@ public final class ActivityThread {
		mInstrumentation.init(this, instrContext, appContext,
		new ComponentName(ii.packageName, ii.name), data.instrumentationWatcher);

		if (data.profileFile != null && !ii.handleProfiling) {
		if (data.profileFile != null && !ii.handleProfiling
		&& data.profileFd == null) {
		data.handlingProfiling = true;
		File file = new File(data.profileFile);
		file.getParentFile().mkdirs();
		@@ -3799,7 +3884,8 @@ public final class ActivityThread {

		/package/ final void finishInstrumentation(int resultCode, Bundle results) {
		IActivityManager am = ActivityManagerNative.getDefault();
		if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling) {
		if (mBoundApplication.profileFile != null && mBoundApplication.handlingProfiling
		&& mBoundApplication.profileFd == null) {
		Debug.stopMethodTracing();
		}
		//Slog.i(TAG, "am: " + ActivityManagerNative.getDefault()

core/java/android/app/ApplicationThreadNative.java

+29 −5

Original line number	Diff line number	Diff line
		@@ -138,8 +138,12 @@ public abstract class ApplicationThreadNative extends Binder
		List<Intent> pi = data.createTypedArrayList(Intent.CREATOR);
		boolean notResumed = data.readInt() != 0;
		boolean isForward = data.readInt() != 0;
		String profileName = data.readString();
		ParcelFileDescriptor profileFd = data.readInt() != 0
		? data.readFileDescriptor() : null;
		boolean autoStopProfiler = data.readInt() != 0;
		scheduleLaunchActivity(intent, b, ident, info, compatInfo, state, ri, pi,
		notResumed, isForward);
		notResumed, isForward, profileName, profileFd, autoStopProfiler);
		return true;
		}

		@@ -255,6 +259,9 @@ public abstract class ApplicationThreadNative extends Binder
		ComponentName testName = (data.readInt() != 0)
		? new ComponentName(data) : null;
		String profileName = data.readString();
		ParcelFileDescriptor profileFd = data.readInt() != 0
		? data.readFileDescriptor() : null;
		boolean autoStopProfiler = data.readInt() != 0;
		Bundle testArgs = data.readBundle();
		IBinder binder = data.readStrongBinder();
		IInstrumentationWatcher testWatcher = IInstrumentationWatcher.Stub.asInterface(binder);
		@@ -265,7 +272,7 @@ public abstract class ApplicationThreadNative extends Binder
		HashMap<String, IBinder> services = data.readHashMap(null);
		Bundle coreSettings = data.readBundle();
		bindApplication(packageName, info,
		providers, testName, profileName,
		providers, testName, profileName, profileFd, autoStopProfiler,
		testArgs, testWatcher, testMode, restrictedBackupMode,
		config, compatInfo, services, coreSettings);
		return true;
		@@ -624,7 +631,8 @@ class ApplicationThreadProxy implements IApplicationThread {
		public final void scheduleLaunchActivity(Intent intent, IBinder token, int ident,
		ActivityInfo info, CompatibilityInfo compatInfo, Bundle state,
		List<ResultInfo> pendingResults,
		List<Intent> pendingNewIntents, boolean notResumed, boolean isForward)
		List<Intent> pendingNewIntents, boolean notResumed, boolean isForward,
		String profileName, ParcelFileDescriptor profileFd, boolean autoStopProfiler)
		throws RemoteException {
		Parcel data = Parcel.obtain();
		data.writeInterfaceToken(IApplicationThread.descriptor);
		@@ -638,6 +646,14 @@ class ApplicationThreadProxy implements IApplicationThread {
		data.writeTypedList(pendingNewIntents);
		data.writeInt(notResumed ? 1 : 0);
		data.writeInt(isForward ? 1 : 0);
		data.writeString(profileName);
		if (profileFd != null) {
		data.writeInt(1);
		profileFd.writeToParcel(data, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
		} else {
		data.writeInt(0);
		}
		data.writeInt(autoStopProfiler ? 1 : 0);
		mRemote.transact(SCHEDULE_LAUNCH_ACTIVITY_TRANSACTION, data, null,
		IBinder.FLAG_ONEWAY);
		data.recycle();
		@@ -793,8 +809,9 @@ class ApplicationThreadProxy implements IApplicationThread {
		}

		public final void bindApplication(String packageName, ApplicationInfo info,
		List<ProviderInfo> providers, ComponentName testName,
		String profileName, Bundle testArgs, IInstrumentationWatcher testWatcher, int debugMode,
		List<ProviderInfo> providers, ComponentName testName, String profileName,
		ParcelFileDescriptor profileFd, boolean autoStopProfiler, Bundle testArgs,
		IInstrumentationWatcher testWatcher, int debugMode,
		boolean restrictedBackupMode, Configuration config, CompatibilityInfo compatInfo,
		Map<String, IBinder> services, Bundle coreSettings) throws RemoteException {
		Parcel data = Parcel.obtain();
		@@ -809,6 +826,13 @@ class ApplicationThreadProxy implements IApplicationThread {
		testName.writeToParcel(data, 0);
		}
		data.writeString(profileName);
		if (profileFd != null) {
		data.writeInt(1);
		profileFd.writeToParcel(data, Parcelable.PARCELABLE_WRITE_RETURN_VALUE);
		} else {
		data.writeInt(0);
		}
		data.writeInt(autoStopProfiler ? 1 : 0);
		data.writeBundle(testArgs);
		data.writeStrongInterface(testWatcher);
		data.writeInt(debugMode);