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Merge "Improve low memory dropbox reporting." into ics-mr1

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This commit is contained in:
Dianne Hackborn
2011-11-15 14:39:37 -08:00
committed by Android (Google) Code Review
parent 3aa684ec0d d8c98fee02
commit 5f11d73c91
3 changed files with 149 additions and 52 deletions
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37
cmds/am/src/com/android/commands/am/Am.java
View File

@ -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" +

155
services/java/com/android/server/am/ActivityManagerService.java
View File

@ -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[] {
5*1024, 7*1024, 10*1024, 15*1024, 20*1024, 30*1024, 40*1024, 80*1024,
120*1024, 160*1024, 200*1024,
250*1024, 300*1024, 350*1024, 400*1024, 500*1024, 600*1024, 800*1024,
1*1024*1024, 2*1024*1024, 5*1024*1024, 10*1024*1024, 20*1024*1024
};
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);

9
services/java/com/android/server/am/ContentProviderRecord.java
View File

@ -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);
}
}