Improve low memory dropbox reporting. (d8c98fee) · Commits · e / os / android_frameworks_base

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

+37 −0

Original line number	Diff line number	Diff line
		@@ -121,6 +121,10 @@ public class Am {
		runProfile();
		} else if (op.equals("dumpheap")) {
		runDumpHeap();
		} else if (op.equals("set-debug-app")) {
		runSetDebugApp();
		} else if (op.equals("clear-debug-app")) {
		runClearDebugApp();
		} else if (op.equals("monitor")) {
		runMonitor();
		} else if (op.equals("screen-compat")) {
		@@ -666,6 +670,31 @@ public class Am {
		}
		}

		private void runSetDebugApp() throws Exception {
		boolean wait = false;
		boolean persistent = false;

		String opt;
		while ((opt=nextOption()) != null) {
		if (opt.equals("-w")) {
		wait = true;
		} else if (opt.equals("--persistent")) {
		persistent = true;
		} else {
		System.err.println("Error: Unknown option: " + opt);
		showUsage();
		return;
		}
		}

		String pkg = nextArgRequired();
		mAm.setDebugApp(pkg, wait, persistent);
		}

		private void runClearDebugApp() throws Exception {
		mAm.setDebugApp(null, false, true);
		}

		class MyActivityController extends IActivityController.Stub {
		final String mGdbPort;

		@@ -1199,6 +1228,8 @@ public class Am {
		" am profile [looper] start <PROCESS> <FILE>\n" +
		" am profile [looper] stop [<PROCESS>]\n" +
		" am dumpheap [flags] <PROCESS> <FILE>\n" +
		" am set-debug-app [-w] [--persistent] <PACKAGE>\n" +
		" am clear-debug-app\n" +
		" am monitor [--gdb <port>]\n" +
		" am screen-compat [on\|off] <PACKAGE>\n" +
		" am display-size [reset\|MxN]\n" +
		@@ -1240,6 +1271,12 @@ public class Am {
		"am dumpheap: dump the heap of a process. Options are:\n" +
		" -n: dump native heap instead of managed heap\n" +
		"\n" +
		"am set-debug-app: set application <PACKAGE> to debug. Options are:\n" +
		" -w: wait for debugger when application starts\n" +
		" --persistent: retain this value\n" +
		"\n" +
		"am clear-debug-app: clear the previously set-debug-app.\n" +
		"\n" +
		"am monitor: start monitoring for crashes or ANRs.\n" +
		" --gdb: start gdbserv on the given port at crash/ANR\n" +
		"\n" +

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

+108 −47

Original line number	Diff line number	Diff line
		@@ -1249,21 +1249,22 @@ public final class ActivityManagerService extends ActivityManagerNative
		StringWriter catSw = new StringWriter();
		PrintWriter catPw = new PrintWriter(catSw);
		String[] emptyArgs = new String[] { };
		dumpApplicationMemoryUsage(null, pw, " ", emptyArgs, true, catPw);
		pw.println();
		dumpProcessesLocked(null, pw, emptyArgs, 0, false);
		pw.println();
		dumpServicesLocked(null, pw, emptyArgs, 0, false, false);
		pw.println();
		dumpActivitiesLocked(null, pw, emptyArgs, 0, false, false);
		StringBuilder tag = new StringBuilder(128);
		dumpProcessesLocked(null, catPw, emptyArgs, 0, false);
		catPw.println();
		dumpServicesLocked(null, catPw, emptyArgs, 0, false, false);
		catPw.println();
		dumpActivitiesLocked(null, catPw, emptyArgs, 0, false, false);
		catPw.println();
		tag.append("Low on memory -- ");
		dumpApplicationMemoryUsage(null, pw, " ", emptyArgs, true, catPw, tag);
		String memUsage = sw.toString();
		dropBuilder.append('\n');
		dropBuilder.append(memUsage);
		dropBuilder.append(catSw.toString());
		logBuilder.append(memUsage);
		addErrorToDropBox("watchdog", null, "system_server", null,
		null, "Low on memory -- no more background processes",
		dropBuilder.toString(), null, null);
		addErrorToDropBox("lowmem", null, "system_server", null,
		null, tag.toString(), dropBuilder.toString(), null, null);
		Slog.i(TAG, logBuilder.toString());
		synchronized (ActivityManagerService.this) {
		long now = SystemClock.uptimeMillis();
		@@ -1416,7 +1417,8 @@ public final class ActivityManagerService extends ActivityManagerNative
		return;
		}

		mActivityManagerService.dumpApplicationMemoryUsage(fd, pw, " ", args, false, null);
		mActivityManagerService.dumpApplicationMemoryUsage(fd, pw, " ", args,
		false, null, null);
		}
		}

		@@ -8961,8 +8963,8 @@ public final class ActivityManagerService extends ActivityManagerNative
		if (!matcher.match(r, r.name)) {
		continue;
		}
		pw.print(" "); pw.print(e.getKey()); pw.print(": ");
		pw.println(r);
		pw.print(" "); pw.print(e.getKey()); pw.println(":");
		pw.print(" "); pw.println(r);
		}
		needSep = true;
		}
		@@ -9346,16 +9348,20 @@ public final class ActivityManagerService extends ActivityManagerNative

		final static class MemItem {
		final String label;
		final String shortLabel;
		final long pss;
		final int id;
		ArrayList<MemItem> subitems;

		public MemItem(String _label, long _pss) {
		public MemItem(String _label, String _shortLabel, long _pss, int _id) {
		label = _label;
		shortLabel = _shortLabel;
		pss = _pss;
		id = _id;
		}
		}

		final void dumpMemItems(PrintWriter pw, String prefix, ArrayList<MemItem> items,
		static final void dumpMemItems(PrintWriter pw, String prefix, ArrayList<MemItem> items,
		boolean sort) {
		if (sort) {
		Collections.sort(items, new Comparator<MemItem>() {
		@@ -9373,16 +9379,56 @@ public final class ActivityManagerService extends ActivityManagerNative

		for (int i=0; i<items.size(); i++) {
		MemItem mi = items.get(i);
		pw.print(prefix); pw.printf("%7d Kb: ", mi.pss); pw.println(mi.label);
		pw.print(prefix); pw.printf("%7d kB: ", mi.pss); pw.println(mi.label);
		if (mi.subitems != null) {
		dumpMemItems(pw, prefix + " ", mi.subitems, true);
		}
		}
		}

		// These are in KB.
		static final long[] DUMP_MEM_BUCKETS = new long[] {
		51024, 71024, 101024, 151024, 201024, 301024, 401024, 801024,
		1201024, 1601024, 200*1024,
		2501024, 3001024, 3501024, 4001024, 5001024, 6001024, 800*1024,
		110241024, 210241024, 510241024, 1010241024, 2010241024
		};

		static final void appendMemBucket(StringBuilder out, long memKB, String label) {
		int start = label.lastIndexOf('.');
		if (start >= 0) start++;
		else start = 0;
		int end = label.length();
		for (int i=0; i<DUMP_MEM_BUCKETS.length; i++) {
		if (DUMP_MEM_BUCKETS[i] >= memKB) {
		long bucket = DUMP_MEM_BUCKETS[i]/1024;
		out.append(bucket);
		out.append("MB ");
		out.append(label, start, end);
		return;
		}
		}
		out.append(memKB/1024);
		out.append("MB ");
		out.append(label, start, end);
		}

		static final int[] DUMP_MEM_OOM_ADJ = new int[] {
		ProcessList.SYSTEM_ADJ, ProcessList.PERSISTENT_PROC_ADJ, ProcessList.FOREGROUND_APP_ADJ,
		ProcessList.VISIBLE_APP_ADJ, ProcessList.PERCEPTIBLE_APP_ADJ, ProcessList.HEAVY_WEIGHT_APP_ADJ,
		ProcessList.BACKUP_APP_ADJ, ProcessList.SERVICE_ADJ, ProcessList.HOME_APP_ADJ,
		ProcessList.PREVIOUS_APP_ADJ, ProcessList.SERVICE_B_ADJ, ProcessList.HIDDEN_APP_MAX_ADJ
		};
		static final String[] DUMP_MEM_OOM_LABEL = new String[] {
		"System", "Persistent", "Foreground",
		"Visible", "Perceptible", "Heavy Weight",
		"Backup", "A Services", "Home", "Previous",
		"B Services", "Background"
		};

		final void dumpApplicationMemoryUsage(FileDescriptor fd,
		PrintWriter pw, String prefix, String[] args, boolean brief,
		PrintWriter categoryPw) {
		PrintWriter categoryPw, StringBuilder outTag) {
		boolean dumpAll = false;
		boolean oomOnly = false;

		@@ -9438,20 +9484,9 @@ public final class ActivityManagerService extends ActivityManagerNative
		long nativePss=0, dalvikPss=0, otherPss=0;
		long[] miscPss = new long[Debug.MemoryInfo.NUM_OTHER_STATS];

		final int[] oomAdj = new int[] {
		ProcessList.SYSTEM_ADJ, ProcessList.PERSISTENT_PROC_ADJ, ProcessList.FOREGROUND_APP_ADJ,
		ProcessList.VISIBLE_APP_ADJ, ProcessList.PERCEPTIBLE_APP_ADJ, ProcessList.HEAVY_WEIGHT_APP_ADJ,
		ProcessList.BACKUP_APP_ADJ, ProcessList.SERVICE_ADJ, ProcessList.HOME_APP_ADJ,
		ProcessList.PREVIOUS_APP_ADJ, ProcessList.SERVICE_B_ADJ, ProcessList.HIDDEN_APP_MAX_ADJ
		};
		final String[] oomLabel = new String[] {
		"System", "Persistent", "Foreground",
		"Visible", "Perceptible", "Heavy Weight",
		"Backup", "A Services", "Home", "Previous",
		"B Services", "Background"
		};
		long oomPss[] = new long[oomLabel.length];
		ArrayList<MemItem>[] oomProcs = (ArrayList<MemItem>[])new ArrayList[oomLabel.length];
		long oomPss[] = new long[DUMP_MEM_OOM_LABEL.length];
		ArrayList<MemItem>[] oomProcs = (ArrayList<MemItem>[])
		new ArrayList[DUMP_MEM_OOM_LABEL.length];

		long totalPss = 0;

		@@ -9481,7 +9516,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		long myTotalPss = mi.getTotalPss();
		totalPss += myTotalPss;
		MemItem pssItem = new MemItem(r.processName + " (pid " + r.pid + ")",
		myTotalPss);
		r.processName, myTotalPss, 0);
		procMems.add(pssItem);

		nativePss += mi.nativePss;
		@@ -9494,7 +9529,8 @@ public final class ActivityManagerService extends ActivityManagerNative
		}

		for (int oomIndex=0; oomIndex<oomPss.length; oomIndex++) {
		if (r.setAdj <= oomAdj[oomIndex] \|\| oomIndex == (oomPss.length-1)) {
		if (r.setAdj <= DUMP_MEM_OOM_ADJ[oomIndex]
		\|\| oomIndex == (oomPss.length-1)) {
		oomPss[oomIndex] += myTotalPss;
		if (oomProcs[oomIndex] == null) {
		oomProcs[oomIndex] = new ArrayList<MemItem>();
		@@ -9510,22 +9546,47 @@ public final class ActivityManagerService extends ActivityManagerNative
		if (!isCheckinRequest && procs.size() > 1) {
		ArrayList<MemItem> catMems = new ArrayList<MemItem>();

		catMems.add(new MemItem("Native", nativePss));
		catMems.add(new MemItem("Dalvik", dalvikPss));
		catMems.add(new MemItem("Unknown", otherPss));
		catMems.add(new MemItem("Native", "Native", nativePss, -1));
		catMems.add(new MemItem("Dalvik", "Dalvik", dalvikPss, -2));
		catMems.add(new MemItem("Unknown", "Unknown", otherPss, -3));
		for (int j=0; j<Debug.MemoryInfo.NUM_OTHER_STATS; j++) {
		catMems.add(new MemItem(Debug.MemoryInfo.getOtherLabel(j), miscPss[j]));
		String label = Debug.MemoryInfo.getOtherLabel(j);
		catMems.add(new MemItem(label, label, miscPss[j], j));
		}

		ArrayList<MemItem> oomMems = new ArrayList<MemItem>();
		for (int j=0; j<oomPss.length; j++) {
		if (oomPss[j] != 0) {
		MemItem item = new MemItem(oomLabel[j], oomPss[j]);
		String label = DUMP_MEM_OOM_LABEL[j];
		MemItem item = new MemItem(label, label, oomPss[j],
		DUMP_MEM_OOM_ADJ[j]);
		item.subitems = oomProcs[j];
		oomMems.add(item);
		}
		}

		if (outTag != null) {
		appendMemBucket(outTag, totalPss, "total");
		for (int i=0; i<oomMems.size(); i++) {
		MemItem miCat = oomMems.get(i);
		if (miCat.subitems == null \|\| miCat.subitems.size() < 1) {
		continue;
		}
		if (miCat.id < ProcessList.SERVICE_ADJ
		\|\| miCat.id == ProcessList.HOME_APP_ADJ
		\|\| miCat.id == ProcessList.PREVIOUS_APP_ADJ) {
		outTag.append(" / ");
		for (int j=0; j<miCat.subitems.size(); j++) {
		MemItem mi = miCat.subitems.get(j);
		if (j > 0) {
		outTag.append(" ");
		}
		appendMemBucket(outTag, mi.pss, mi.shortLabel);
		}
		}
		}
		}

		if (!brief && !oomOnly) {
		pw.println();
		pw.println("Total PSS by process:");
		@@ -9541,7 +9602,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		dumpMemItems(out, " ", catMems, true);
		}
		pw.println();
		pw.print("Total PSS: "); pw.print(totalPss); pw.println(" Kb");
		pw.print("Total PSS: "); pw.print(totalPss); pw.println(" kB");
		}
		}

		@@ -13991,7 +14052,6 @@ public final class ActivityManagerService extends ActivityManagerNative
		// application processes based on their current state.
		int i = mLruProcesses.size();
		int curHiddenAdj = ProcessList.HIDDEN_APP_MIN_ADJ;
		int numBg = 0;
		while (i > 0) {
		i--;
		ProcessRecord app = mLruProcesses.get(i);
		@@ -14015,12 +14075,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		app.processName, app.setAdj, "too many background");
		app.killedBackground = true;
		Process.killProcessQuiet(app.pid);
		} else {
		numBg++;
		}
		} else if (app.curAdj >= ProcessList.HOME_APP_ADJ
		&& app.curAdj != ProcessList.SERVICE_B_ADJ) {
		numBg++;
		}
		}
		}
		@@ -14035,12 +14090,18 @@ public final class ActivityManagerService extends ActivityManagerNative
		// memory they want.
		if (numHidden <= (ProcessList.MAX_HIDDEN_APPS/2)) {
		final int N = mLruProcesses.size();
		factor = numBg/3;
		factor = numHidden/3;
		int minFactor = 2;
		if (mHomeProcess != null) minFactor++;
		if (mPreviousProcess != null) minFactor++;
		if (factor < minFactor) factor = minFactor;
		step = 0;
		int curLevel = ComponentCallbacks2.TRIM_MEMORY_COMPLETE;
		for (i=0; i<N; i++) {
		ProcessRecord app = mLruProcesses.get(i);
		if (app.curAdj >= ProcessList.HIDDEN_APP_MIN_ADJ && !app.killedBackground) {
		if (app.curAdj >= ProcessList.HOME_APP_ADJ
		&& app.curAdj != ProcessList.SERVICE_B_ADJ
		&& !app.killedBackground) {
		if (app.trimMemoryLevel < curLevel && app.thread != null) {
		try {
		app.thread.scheduleTrimMemory(curLevel);

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

+4 −5

Original line number	Diff line number	Diff line
		@@ -73,15 +73,14 @@ class ContentProviderRecord extends ContentProviderHolder {
		pw.print("multiprocess="); pw.print(info.multiprocess);
		pw.print(" initOrder="); pw.println(info.initOrder);
		}
		if (externals != 0) {
		pw.print(prefix); pw.print("externals="); pw.println(externals);
		}
		if (clients.size() > 0) {
		pw.print(prefix); pw.println("Clients:");
		for (ProcessRecord cproc : clients) {
		pw.print(prefix); pw.println(" - "); pw.println(cproc);
		pw.print(prefix); pw.print(" - "); pw.println(cproc.toShortString());
		}
		pw.print(prefix); pw.print("clients="); pw.println(clients);
		}
		if (externals != 0) {
		pw.print(prefix); pw.print("externals="); pw.println(externals);
		}
		}