Add plumbing for dumping database info using dumpsys. (6754ba24) · Commits · e / os / android_frameworks_base

core/java/android/app/ActivityThread.java

+9 −0

Original line number	Diff line number	Diff line
		@@ -65,6 +65,7 @@ import android.util.DisplayMetrics;
		import android.util.EventLog;
		import android.util.Log;
		import android.util.LogPrinter;
		import android.util.PrintWriterPrinter;
		import android.util.Slog;
		import android.view.Display;
		import android.view.HardwareRenderer;
		@@ -1039,6 +1040,14 @@ public final class ActivityThread {
		WindowManagerImpl.getDefault().dumpGfxInfo(fd);
		}

		@Override
		public void dumpDbInfo(FileDescriptor fd, String[] args) {
		PrintWriter pw = new PrintWriter(new FileOutputStream(fd));
		PrintWriterPrinter printer = new PrintWriterPrinter(pw);
		SQLiteDebug.dump(printer, args);
		pw.flush();
		}

		private void printRow(PrintWriter pw, String format, Object...objs) {
		pw.println(String.format(format, objs));
		}

core/java/android/app/ApplicationThreadNative.java

+29 −0

Original line number	Diff line number	Diff line
		@@ -554,6 +554,26 @@ public abstract class ApplicationThreadNative extends Binder
		reply.writeNoException();
		return true;
		}

		case DUMP_DB_INFO_TRANSACTION:
		{
		data.enforceInterface(IApplicationThread.descriptor);
		ParcelFileDescriptor fd = data.readFileDescriptor();
		String[] args = data.readStringArray();
		if (fd != null) {
		try {
		dumpDbInfo(fd.getFileDescriptor(), args);
		} finally {
		try {
		fd.close();
		} catch (IOException e) {
		// swallowed, not propagated back to the caller
		}
		}
		}
		reply.writeNoException();
		return true;
		}
		}

		return super.onTransact(code, data, reply, flags);
		@@ -1131,4 +1151,13 @@ class ApplicationThreadProxy implements IApplicationThread {
		mRemote.transact(DUMP_GFX_INFO_TRANSACTION, data, null, IBinder.FLAG_ONEWAY);
		data.recycle();
		}

		public void dumpDbInfo(FileDescriptor fd, String[] args) throws RemoteException {
		Parcel data = Parcel.obtain();
		data.writeInterfaceToken(IApplicationThread.descriptor);
		data.writeFileDescriptor(fd);
		data.writeStringArray(args);
		mRemote.transact(DUMP_DB_INFO_TRANSACTION, data, null, IBinder.FLAG_ONEWAY);
		data.recycle();
		}
		}

core/java/android/app/IApplicationThread.java

+2 −0

Original line number	Diff line number	Diff line
		@@ -127,6 +127,7 @@ public interface IApplicationThread extends IInterface {
		Debug.MemoryInfo dumpMemInfo(FileDescriptor fd, boolean checkin, boolean all,
		String[] args) throws RemoteException;
		void dumpGfxInfo(FileDescriptor fd, String[] args) throws RemoteException;
		void dumpDbInfo(FileDescriptor fd, String[] args) throws RemoteException;

		String descriptor = "android.app.IApplicationThread";

		@@ -174,4 +175,5 @@ public interface IApplicationThread extends IInterface {
		int DUMP_MEM_INFO_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+42;
		int DUMP_GFX_INFO_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+43;
		int DUMP_PROVIDER_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+44;
		int DUMP_DB_INFO_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION+45;
		}

core/java/android/database/sqlite/SQLiteDebug.java

+8 −0

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@ import java.util.ArrayList;
		import android.os.Build;
		import android.os.SystemProperties;
		import android.util.Log;
		import android.util.Printer;

		/**
		* Provides debugging info about all SQLite databases running in the current process.
		@@ -180,6 +181,13 @@ public final class SQLiteDebug {
		return stats;
		}

		/**
		* Dumps detailed information about all databases used by the process.
		* @param printer The printer for dumping database state.
		*/
		public static void dump(Printer printer, String[] args) {
		}

		/**
		* Gathers statistics about all pagers in the current process.
		*/

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

+53 −0

Original line number	Diff line number	Diff line
		@@ -1299,6 +1299,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		ServiceManager.addService("activity", m);
		ServiceManager.addService("meminfo", new MemBinder(m));
		ServiceManager.addService("gfxinfo", new GraphicsBinder(m));
		ServiceManager.addService("dbinfo", new DbBinder(m));
		if (MONITOR_CPU_USAGE) {
		ServiceManager.addService("cpuinfo", new CpuBinder(m));
		}
		@@ -1453,6 +1454,26 @@ public final class ActivityManagerService extends ActivityManagerNative
		}
		}

		static class DbBinder extends Binder {
		ActivityManagerService mActivityManagerService;
		DbBinder(ActivityManagerService activityManagerService) {
		mActivityManagerService = activityManagerService;
		}

		@Override
		protected void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
		if (mActivityManagerService.checkCallingPermission(android.Manifest.permission.DUMP)
		!= PackageManager.PERMISSION_GRANTED) {
		pw.println("Permission Denial: can't dump dbinfo from from pid="
		+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
		+ " without permission " + android.Manifest.permission.DUMP);
		return;
		}

		mActivityManagerService.dumpDbInfo(fd, pw, args);
		}
		}

		static class CpuBinder extends Binder {
		ActivityManagerService mActivityManagerService;
		CpuBinder(ActivityManagerService activityManagerService) {
		@@ -9741,6 +9762,38 @@ public final class ActivityManagerService extends ActivityManagerNative
		}
		}

		final void dumpDbInfo(FileDescriptor fd, PrintWriter pw, String[] args) {
		ArrayList<ProcessRecord> procs = collectProcesses(pw, 0, args);
		if (procs == null) {
		return;
		}

		pw.println("Applications Database Info:");

		for (int i = procs.size() - 1 ; i >= 0 ; i--) {
		ProcessRecord r = procs.get(i);
		if (r.thread != null) {
		pw.println("\n Database info for pid " + r.pid + " [" + r.processName + "] ");
		pw.flush();
		try {
		TransferPipe tp = new TransferPipe();
		try {
		r.thread.dumpDbInfo(tp.getWriteFd().getFileDescriptor(), args);
		tp.go(fd);
		} finally {
		tp.kill();
		}
		} catch (IOException e) {
		pw.println("Failure while dumping the app: " + r);
		pw.flush();
		} catch (RemoteException e) {
		pw.println("Got a RemoteException while dumping the app " + r);
		pw.flush();
		}
		}
		}
		}

		final static class MemItem {
		final String label;
		final String shortLabel;