Add -c option to meminfo to dump a compact form. (20cdcee4) · Commits · e / os / android_frameworks_base

core/java/com/android/internal/util/FastPrintWriter.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -458,7 +458,7 @@ public class FastPrintWriter extends PrintWriter {
		if (lnum == 0) {
		println("0");
		} else {
		super.print(lnum);
		super.println(lnum);
		}
		}

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

+99 −37

Original line number	Diff line number	Diff line
		@@ -10963,23 +10963,37 @@ public final class ActivityManagerService extends ActivityManagerNative
		}

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

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

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

		static final void dumpMemItems(PrintWriter pw, String prefix, ArrayList<MemItem> items,
		boolean sort) {
		if (sort) {
		static final void dumpMemItems(PrintWriter pw, String prefix, String tag,
		ArrayList<MemItem> items, boolean sort, boolean isCompact) {
		if (sort && !isCompact) {
		Collections.sort(items, new Comparator<MemItem>() {
		@Override
		public int compare(MemItem lhs, MemItem rhs) {
		@@ -10995,9 +11009,19 @@ public final class ActivityManagerService extends ActivityManagerNative

		for (int i=0; i<items.size(); i++) {
		MemItem mi = items.get(i);
		if (!isCompact) {
		pw.print(prefix); pw.printf("%7d kB: ", mi.pss); pw.println(mi.label);
		} else if (mi.isProc) {
		pw.print("proc,"); pw.print(tag); pw.print(","); pw.print(mi.shortLabel);
		pw.print(","); pw.print(mi.id); pw.print(","); pw.print(mi.pss);
		pw.println(mi.hasActivities ? ",a" : ",e");
		} else {
		pw.print(tag); pw.print(","); pw.print(mi.shortLabel); pw.print(",");
		pw.println(mi.pss);
		}
		if (mi.subitems != null) {
		dumpMemItems(pw, prefix + " ", mi.subitems, true);
		dumpMemItems(pw, prefix + " ", mi.shortLabel, mi.subitems,
		true, isCompact);
		}
		}
		}
		@@ -11042,6 +11066,12 @@ public final class ActivityManagerService extends ActivityManagerNative
		"Backup", "A Services", "Home", "Previous",
		"B Services", "Cached"
		};
		static final String[] DUMP_MEM_OOM_COMPACT_LABEL = new String[] {
		"sys", "pers", "fore",
		"vis", "percept", "heavy",
		"backup", "servicea", "home", "prev",
		"serviceb", "cached"
		};

		final void dumpApplicationMemoryUsage(FileDescriptor fd,
		PrintWriter pw, String prefix, String[] args, boolean brief,
		@@ -11049,6 +11079,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		boolean dumpDetails = false;
		boolean dumpDalvik = false;
		boolean oomOnly = false;
		boolean isCompact = false;

		int opti = 0;
		while (opti < args.length) {
		@@ -11062,12 +11093,15 @@ public final class ActivityManagerService extends ActivityManagerNative
		dumpDalvik = true;
		} else if ("-d".equals(opt)) {
		dumpDalvik = true;
		} else if ("-c".equals(opt)) {
		isCompact = true;
		} else if ("--oom".equals(opt)) {
		oomOnly = true;
		} else if ("-h".equals(opt)) {
		pw.println("meminfo dump options: [-a] [--oom] [process]");
		pw.println("meminfo dump options: [-a] [-d] [-c] [--oom] [process]");
		pw.println(" -a: include all available information for each process.");
		pw.println(" -d: include dalvik details when dumping process details.");
		pw.println(" -c: dump in a compact machine-parseable representation.");
		pw.println(" --oom: only show processes organized by oom adj.");
		pw.println("If [process] is specified it can be the name or ");
		pw.println("pid of a specific process to dump.");
		@@ -11090,10 +11124,9 @@ public final class ActivityManagerService extends ActivityManagerNative
		dumpDetails = true;
		}

		if (isCheckinRequest) {
		if (isCheckinRequest \|\| isCompact) {
		// short checkin version
		pw.println(uptime + "," + realtime);
		pw.flush();
		pw.print("time,"); pw.print(uptime); pw.print(","); pw.println(realtime);
		} else {
		pw.println("Applications Memory Usage (kB):");
		pw.println("Uptime: " + uptime + " Realtime: " + realtime);
		@@ -11115,20 +11148,24 @@ public final class ActivityManagerService extends ActivityManagerNative

		Debug.MemoryInfo mi = null;
		for (int i = procs.size() - 1 ; i >= 0 ; i--) {
		ProcessRecord r = procs.get(i);
		IApplicationThread thread;
		int oomAdj;
		final ProcessRecord r = procs.get(i);
		final IApplicationThread thread;
		final int pid;
		final int oomAdj;
		final boolean hasActivities;
		synchronized (this) {
		thread = r.thread;
		pid = r.pid;
		oomAdj = r.getSetAdjWithServices();
		hasActivities = r.hasActivities;
		}
		if (thread != null) {
		if (!isCheckinRequest && dumpDetails) {
		pw.println("\n MEMINFO in pid " + r.pid + " [" + r.processName + "] ");
		pw.flush();
		pw.println("\n MEMINFO in pid " + pid + " [" + r.processName + "] ");
		}
		if (dumpDetails) {
		try {
		pw.flush();
		mi = null;
		mi = thread.dumpMemInfo(fd, isCheckinRequest, true, dumpDalvik, innerArgs);
		} catch (RemoteException e) {
		@@ -11142,9 +11179,9 @@ public final class ActivityManagerService extends ActivityManagerNative
		mi = new Debug.MemoryInfo();
		}
		if (!brief && !oomOnly) {
		Debug.getMemoryInfo(r.pid, mi);
		Debug.getMemoryInfo(pid, mi);
		} else {
		mi.dalvikPss = (int)Debug.getPss(r.pid);
		mi.dalvikPss = (int)Debug.getPss(pid);
		}
		}

		@@ -11159,8 +11196,9 @@ public final class ActivityManagerService extends ActivityManagerNative

		if (!isCheckinRequest && mi != null) {
		totalPss += myTotalPss;
		MemItem pssItem = new MemItem(r.processName + " (pid " + r.pid + ")",
		r.processName, myTotalPss, 0);
		MemItem pssItem = new MemItem(r.processName + " (pid " + pid +
		(hasActivities ? " / activities)" : ")"),
		r.processName, myTotalPss, pid, hasActivities);
		procMems.add(pssItem);

		nativePss += mi.nativePss;
		@@ -11177,7 +11215,7 @@ public final class ActivityManagerService extends ActivityManagerNative
		}

		for (int oomIndex=0; oomIndex<oomPss.length; oomIndex++) {
		if (r.setAdj <= DUMP_MEM_OOM_ADJ[oomIndex]
		if (oomAdj <= DUMP_MEM_OOM_ADJ[oomIndex]
		\|\| oomIndex == (oomPss.length-1)) {
		oomPss[oomIndex] += myTotalPss;
		if (oomProcs[oomIndex] == null) {
		@@ -11205,7 +11243,8 @@ public final class ActivityManagerService extends ActivityManagerNative
		ArrayList<MemItem> oomMems = new ArrayList<MemItem>();
		for (int j=0; j<oomPss.length; j++) {
		if (oomPss[j] != 0) {
		String label = DUMP_MEM_OOM_LABEL[j];
		String label = isCompact ? DUMP_MEM_OOM_COMPACT_LABEL[j]
		: DUMP_MEM_OOM_LABEL[j];
		MemItem item = new MemItem(label, label, oomPss[j],
		DUMP_MEM_OOM_ADJ[j]);
		item.subitems = oomProcs[j];
		@@ -11275,29 +11314,45 @@ public final class ActivityManagerService extends ActivityManagerNative
		}
		}

		if (!brief && !oomOnly) {
		if (!brief && !oomOnly && !isCompact) {
		pw.println();
		pw.println("Total PSS by process:");
		dumpMemItems(pw, " ", procMems, true);
		dumpMemItems(pw, " ", "proc", procMems, true, isCompact);
		pw.println();
		}
		if (!isCompact) {
		pw.println("Total PSS by OOM adjustment:");
		dumpMemItems(pw, " ", oomMems, false);
		}
		dumpMemItems(pw, " ", "oom", oomMems, false, isCompact);
		if (!brief && !oomOnly) {
		PrintWriter out = categoryPw != null ? categoryPw : pw;
		if (!isCompact) {
		out.println();
		out.println("Total PSS by category:");
		dumpMemItems(out, " ", catMems, true);
		}
		dumpMemItems(out, " ", "cat", catMems, true, isCompact);
		}
		if (!isCompact) {
		pw.println();
		}
		if (!brief) {
		MemInfoReader memInfo = new MemInfoReader();
		memInfo.readMemInfo();
		pw.print("Total RAM: "); pw.print(memInfo.getTotalSize()/1024); pw.println(" kB");
		if (!isCompact) {
		pw.print("Total RAM: "); pw.print(memInfo.getTotalSize()/1024);
		pw.println(" kB");
		pw.print(" Free RAM: "); pw.print(cachedPss + (memInfo.getCachedSize()/1024)
		+ (memInfo.getFreeSize()/1024)); pw.println(" kB");
		} else {
		pw.print("ram,"); pw.print(memInfo.getTotalSize()/1024); pw.print(",");
		pw.print(cachedPss + (memInfo.getCachedSize()/1024)
		+ (memInfo.getFreeSize()/1024)); pw.print(",");
		pw.println(totalPss - cachedPss);
		}
		}
		if (!isCompact) {
		pw.print(" Used PSS: "); pw.print(totalPss - cachedPss); pw.println(" kB");
		}
		if (!brief) {
		final int[] SINGLE_LONG_FORMAT = new int[] {
		Process.PROC_SPACE_TERM\|Process.PROC_OUT_LONG
		@@ -11318,12 +11373,19 @@ public final class ActivityManagerService extends ActivityManagerNative
		Process.readProcFile("/sys/kernel/mm/ksm/pages_volatile",
		SINGLE_LONG_FORMAT, null, longOut, null);
		long voltile = longOut[0] * ProcessList.PAGE_SIZE / 1024;
		if (!isCompact) {
		if (sharing != 0 \|\| shared != 0 \|\| unshared != 0 \|\| voltile != 0) {
		pw.print(" KSM: "); pw.print(sharing); pw.print(" kB saved from shared ");
		pw.print(" KSM: "); pw.print(sharing);
		pw.print(" kB saved from shared ");
		pw.print(shared); pw.println(" kB");
		pw.print(" "); pw.print(unshared); pw.print(" kB unshared; ");
		pw.print(voltile); pw.println(" kB volatile");
		}
		} else {
		pw.print("ksm,"); pw.print(sharing); pw.print(",");
		pw.print(shared); pw.print(","); pw.print(unshared); pw.print(",");
		pw.println(voltile);
		}
		}
		}
		}

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

+1 −1

Original line number	Diff line number	Diff line
		@@ -39,7 +39,7 @@ final class ProcessList {
		// This is a process only hosting activities that are not visible,
		// so it can be killed without any disruption.
		static final int CACHED_APP_MAX_ADJ = 15;
		static int CACHED_APP_MIN_ADJ = 9;
		static final int CACHED_APP_MIN_ADJ = 9;

		// The B list of SERVICE_ADJ -- these are the old and decrepit
		// services that aren't as shiny and interesting as the ones in the A list.

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

+4 −2

Original line number	Diff line number	Diff line
		@@ -465,9 +465,11 @@ final class ProcessRecord {
		}

		public int getSetAdjWithServices() {
		if (setAdj >= ProcessList.CACHED_APP_MIN_ADJ && hasStartedServices) {
		if (setAdj >= ProcessList.CACHED_APP_MIN_ADJ) {
		if (hasStartedServices) {
		return ProcessList.SERVICE_B_ADJ;
		}
		}
		return setAdj;
		}