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am f34fa3e7: Merge "Improve low on RAM reporting." into lmp-mr1-dev

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* commit 'f34fa3e7aa9be9bf24c955a9ebf34022e4b88c25':
  Improve low on RAM reporting.
This commit is contained in:
Dianne Hackborn
2014-10-31 22:49:27 +00:00
committed by Android Git Automerger
parent 40d7655026 f34fa3e7aa
commit 18163616c8
2 changed files with 305 additions and 219 deletions
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4
core/java/com/android/internal/util/MemInfoReader.java
View File

@@ -106,4 +106,8 @@ public final class MemInfoReader {
public long getZramTotalSizeKb() { public long getZramTotalSizeKb() {
return mInfos[Debug.MEMINFO_ZRAM_TOTAL]; return mInfos[Debug.MEMINFO_ZRAM_TOTAL];
} }
public long[] getRawInfo() {
return mInfos;
}
} }

520
services/core/java/com/android/server/am/ActivityManagerService.java
View File

@@ -1606,197 +1606,7 @@ public final class ActivityManagerService extends ActivityManagerNative
final ArrayList<ProcessMemInfo> memInfos = (ArrayList<ProcessMemInfo>)msg.obj; final ArrayList<ProcessMemInfo> memInfos = (ArrayList<ProcessMemInfo>)msg.obj;
Thread thread = new Thread() { Thread thread = new Thread() {
@Override public void run() { @Override public void run() {
final SparseArray<ProcessMemInfo> infoMap reportMemUsage(memInfos);
= new SparseArray<ProcessMemInfo>(memInfos.size());
for (int i=0, N=memInfos.size(); i<N; i++) {
ProcessMemInfo mi = memInfos.get(i);
infoMap.put(mi.pid, mi);
}
updateCpuStatsNow();
synchronized (mProcessCpuTracker) {
final int N = mProcessCpuTracker.countStats();
for (int i=0; i<N; i++) {
ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i);
if (st.vsize > 0) {
long pss = Debug.getPss(st.pid, null);
if (pss > 0) {
if (infoMap.indexOfKey(st.pid) < 0) {
ProcessMemInfo mi = new ProcessMemInfo(st.name, st.pid,
ProcessList.NATIVE_ADJ, -1, "native", null);
mi.pss = pss;
memInfos.add(mi);
}
}
}
}
}
long totalPss = 0;
for (int i=0, N=memInfos.size(); i<N; i++) {
ProcessMemInfo mi = memInfos.get(i);
if (mi.pss == 0) {
mi.pss = Debug.getPss(mi.pid, null);
}
totalPss += mi.pss;
}
Collections.sort(memInfos, new Comparator<ProcessMemInfo>() {
@Override public int compare(ProcessMemInfo lhs, ProcessMemInfo rhs) {
if (lhs.oomAdj != rhs.oomAdj) {
return lhs.oomAdj < rhs.oomAdj ? -1 : 1;
}
if (lhs.pss != rhs.pss) {
return lhs.pss < rhs.pss ? 1 : -1;
}
return 0;
}
});
StringBuilder tag = new StringBuilder(128);
StringBuilder stack = new StringBuilder(128);
tag.append("Low on memory -- ");
appendMemBucket(tag, totalPss, "total", false);
appendMemBucket(stack, totalPss, "total", true);
StringBuilder logBuilder = new StringBuilder(1024);
logBuilder.append("Low on memory:\n");
boolean firstLine = true;
int lastOomAdj = Integer.MIN_VALUE;
for (int i=0, N=memInfos.size(); i<N; i++) {
ProcessMemInfo mi = memInfos.get(i);
if (mi.oomAdj != ProcessList.NATIVE_ADJ
&& (mi.oomAdj < ProcessList.SERVICE_ADJ
|| mi.oomAdj == ProcessList.HOME_APP_ADJ
|| mi.oomAdj == ProcessList.PREVIOUS_APP_ADJ)) {
if (lastOomAdj != mi.oomAdj) {
lastOomAdj = mi.oomAdj;
if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) {
tag.append(" / ");
}
if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ) {
if (firstLine) {
stack.append(":");
firstLine = false;
}
stack.append("\n\t at ");
} else {
stack.append("$");
}
} else {
tag.append(" ");
stack.append("$");
}
if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) {
appendMemBucket(tag, mi.pss, mi.name, false);
}
appendMemBucket(stack, mi.pss, mi.name, true);
if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ
&& ((i+1) >= N || memInfos.get(i+1).oomAdj != lastOomAdj)) {
stack.append("(");
for (int k=0; k<DUMP_MEM_OOM_ADJ.length; k++) {
if (DUMP_MEM_OOM_ADJ[k] == mi.oomAdj) {
stack.append(DUMP_MEM_OOM_LABEL[k]);
stack.append(":");
stack.append(DUMP_MEM_OOM_ADJ[k]);
}
}
stack.append(")");
}
}
logBuilder.append(" ");
logBuilder.append(ProcessList.makeOomAdjString(mi.oomAdj));
logBuilder.append(' ');
logBuilder.append(ProcessList.makeProcStateString(mi.procState));
logBuilder.append(' ');
ProcessList.appendRamKb(logBuilder, mi.pss);
logBuilder.append(" kB: ");
logBuilder.append(mi.name);
logBuilder.append(" (");
logBuilder.append(mi.pid);
logBuilder.append(") ");
logBuilder.append(mi.adjType);
logBuilder.append('\n');
if (mi.adjReason != null) {
logBuilder.append(" ");
logBuilder.append(mi.adjReason);
logBuilder.append('\n');
}
}
logBuilder.append(" ");
ProcessList.appendRamKb(logBuilder, totalPss);
logBuilder.append(" kB: TOTAL\n");
long[] infos = new long[Debug.MEMINFO_COUNT];
Debug.getMemInfo(infos);
logBuilder.append(" MemInfo: ");
logBuilder.append(infos[Debug.MEMINFO_SLAB]).append(" kB slab, ");
logBuilder.append(infos[Debug.MEMINFO_SHMEM]).append(" kB shmem, ");
logBuilder.append(infos[Debug.MEMINFO_VM_ALLOC_USED]).append(" kB vm alloc, ");
logBuilder.append(infos[Debug.MEMINFO_PAGE_TABLES]).append(" kB page tables ");
logBuilder.append(infos[Debug.MEMINFO_KERNEL_STACK]).append(" kB kernel stack\n");
logBuilder.append(" ");
logBuilder.append(infos[Debug.MEMINFO_BUFFERS]).append(" kB buffers, ");
logBuilder.append(infos[Debug.MEMINFO_CACHED]).append(" kB cached, ");
logBuilder.append(infos[Debug.MEMINFO_MAPPED]).append(" kB mapped, ");
logBuilder.append(infos[Debug.MEMINFO_FREE]).append(" kB free\n");
if (infos[Debug.MEMINFO_ZRAM_TOTAL] != 0) {
logBuilder.append(" ZRAM: ");
logBuilder.append(infos[Debug.MEMINFO_ZRAM_TOTAL]);
logBuilder.append(" kB RAM, ");
logBuilder.append(infos[Debug.MEMINFO_SWAP_TOTAL]);
logBuilder.append(" kB swap total, ");
logBuilder.append(infos[Debug.MEMINFO_SWAP_FREE]);
logBuilder.append(" kB swap free\n");
}
Slog.i(TAG, logBuilder.toString());
StringBuilder dropBuilder = new StringBuilder(1024);
/*
StringWriter oomSw = new StringWriter();
PrintWriter oomPw = new FastPrintWriter(oomSw, false, 256);
StringWriter catSw = new StringWriter();
PrintWriter catPw = new FastPrintWriter(catSw, false, 256);
String[] emptyArgs = new String[] { };
dumpApplicationMemoryUsage(null, oomPw, " ", emptyArgs, true, catPw);
oomPw.flush();
String oomString = oomSw.toString();
*/
dropBuilder.append(stack);
dropBuilder.append('\n');
dropBuilder.append('\n');
dropBuilder.append(logBuilder);
dropBuilder.append('\n');
/*
dropBuilder.append(oomString);
dropBuilder.append('\n');
*/
StringWriter catSw = new StringWriter();
synchronized (ActivityManagerService.this) {
PrintWriter catPw = new FastPrintWriter(catSw, false, 256);
String[] emptyArgs = new String[] { };
catPw.println();
dumpProcessesLocked(null, catPw, emptyArgs, 0, false, null);
catPw.println();
mServices.dumpServicesLocked(null, catPw, emptyArgs, 0,
false, false, null);
catPw.println();
dumpActivitiesLocked(null, catPw, emptyArgs, 0, false, false, null);
catPw.flush();
}
dropBuilder.append(catSw.toString());
addErrorToDropBox("lowmem", null, "system_server", null,
null, tag.toString(), dropBuilder.toString(), null, null);
//Slog.i(TAG, "Sent to dropbox:");
//Slog.i(TAG, dropBuilder.toString());
synchronized (ActivityManagerService.this) {
long now = SystemClock.uptimeMillis();
if (mLastMemUsageReportTime < now) {
mLastMemUsageReportTime = now;
}
}
} }
}; };
thread.start(); thread.start();
@@ -13927,6 +13737,35 @@ public final class ActivityManagerService extends ActivityManagerNative
} }
} }
private static final int KSM_SHARED = 0;
private static final int KSM_SHARING = 1;
private static final int KSM_UNSHARED = 2;
private static final int KSM_VOLATILE = 3;
private final long[] getKsmInfo() {
long[] longOut = new long[4];
final int[] SINGLE_LONG_FORMAT = new int[] {
Process.PROC_SPACE_TERM|Process.PROC_OUT_LONG
};
long[] longTmp = new long[1];
Process.readProcFile("/sys/kernel/mm/ksm/pages_shared",
SINGLE_LONG_FORMAT, null, longTmp, null);
longOut[KSM_SHARED] = longTmp[0] * ProcessList.PAGE_SIZE / 1024;
longTmp[0] = 0;
Process.readProcFile("/sys/kernel/mm/ksm/pages_sharing",
SINGLE_LONG_FORMAT, null, longTmp, null);
longOut[KSM_SHARING] = longTmp[0] * ProcessList.PAGE_SIZE / 1024;
longTmp[0] = 0;
Process.readProcFile("/sys/kernel/mm/ksm/pages_unshared",
SINGLE_LONG_FORMAT, null, longTmp, null);
longOut[KSM_UNSHARED] = longTmp[0] * ProcessList.PAGE_SIZE / 1024;
longTmp[0] = 0;
Process.readProcFile("/sys/kernel/mm/ksm/pages_volatile",
SINGLE_LONG_FORMAT, null, longTmp, null);
longOut[KSM_VOLATILE] = longTmp[0] * ProcessList.PAGE_SIZE / 1024;
return longOut;
}
final void dumpApplicationMemoryUsage(FileDescriptor fd, final void dumpApplicationMemoryUsage(FileDescriptor fd,
PrintWriter pw, String prefix, String[] args, boolean brief, PrintWriter categoryPw) { PrintWriter pw, String prefix, String[] args, boolean brief, PrintWriter categoryPw) {
boolean dumpDetails = false; boolean dumpDetails = false;
@@ -14272,7 +14111,7 @@ public final class ActivityManagerService extends ActivityManagerNative
pw.print(" Free RAM: "); pw.print(cachedPss + memInfo.getCachedSizeKb() pw.print(" Free RAM: "); pw.print(cachedPss + memInfo.getCachedSizeKb()
+ memInfo.getFreeSizeKb()); pw.print(" kB ("); + memInfo.getFreeSizeKb()); pw.print(" kB (");
pw.print(cachedPss); pw.print(" cached pss + "); pw.print(cachedPss); pw.print(" cached pss + ");
pw.print(memInfo.getCachedSizeKb()); pw.print(" cached + "); pw.print(memInfo.getCachedSizeKb()); pw.print(" cached kernel + ");
pw.print(memInfo.getFreeSizeKb()); pw.println(" free)"); pw.print(memInfo.getFreeSizeKb()); pw.println(" free)");
} else { } else {
pw.print("ram,"); pw.print(memInfo.getTotalSizeKb()); pw.print(","); pw.print("ram,"); pw.print(memInfo.getTotalSizeKb()); pw.print(",");
@@ -14306,32 +14145,16 @@ public final class ActivityManagerService extends ActivityManagerNative
pw.println(memInfo.getSwapFreeSizeKb()); pw.println(memInfo.getSwapFreeSizeKb());
} }
} }
final int[] SINGLE_LONG_FORMAT = new int[] { final long[] ksm = getKsmInfo();
Process.PROC_SPACE_TERM|Process.PROC_OUT_LONG
};
long[] longOut = new long[1];
Process.readProcFile("/sys/kernel/mm/ksm/pages_shared",
SINGLE_LONG_FORMAT, null, longOut, null);
long shared = longOut[0] * ProcessList.PAGE_SIZE / 1024;
longOut[0] = 0;
Process.readProcFile("/sys/kernel/mm/ksm/pages_sharing",
SINGLE_LONG_FORMAT, null, longOut, null);
long sharing = longOut[0] * ProcessList.PAGE_SIZE / 1024;
longOut[0] = 0;
Process.readProcFile("/sys/kernel/mm/ksm/pages_unshared",
SINGLE_LONG_FORMAT, null, longOut, null);
long unshared = longOut[0] * ProcessList.PAGE_SIZE / 1024;
longOut[0] = 0;
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 (!isCompact) {
if (sharing != 0 || shared != 0 || unshared != 0 || voltile != 0) { if (ksm[KSM_SHARING] != 0 || ksm[KSM_SHARED] != 0 || ksm[KSM_UNSHARED] != 0
pw.print(" KSM: "); pw.print(sharing); || ksm[KSM_VOLATILE] != 0) {
pw.print(" KSM: "); pw.print(ksm[KSM_SHARING]);
pw.print(" kB saved from shared "); pw.print(" kB saved from shared ");
pw.print(shared); pw.println(" kB"); pw.print(ksm[KSM_SHARED]); pw.println(" kB");
pw.print(" "); pw.print(unshared); pw.print(" kB unshared; "); pw.print(" "); pw.print(ksm[KSM_UNSHARED]);
pw.print(voltile); pw.println(" kB volatile"); pw.print(" kB unshared; ");
pw.print(ksm[KSM_VOLATILE]); pw.println(" kB volatile");
} }
pw.print(" Tuning: "); pw.print(" Tuning: ");
pw.print(ActivityManager.staticGetMemoryClass()); pw.print(ActivityManager.staticGetMemoryClass());
@@ -14351,9 +14174,9 @@ public final class ActivityManagerService extends ActivityManagerNative
} }
pw.println(); pw.println();
} else { } else {
pw.print("ksm,"); pw.print(sharing); pw.print(","); pw.print("ksm,"); pw.print(ksm[KSM_SHARING]); pw.print(",");
pw.print(shared); pw.print(","); pw.print(unshared); pw.print(","); pw.print(ksm[KSM_SHARED]); pw.print(","); pw.print(ksm[KSM_UNSHARED]);
pw.println(voltile); pw.print(","); pw.println(ksm[KSM_VOLATILE]);
pw.print("tuning,"); pw.print("tuning,");
pw.print(ActivityManager.staticGetMemoryClass()); pw.print(ActivityManager.staticGetMemoryClass());
pw.print(','); pw.print(',');
@@ -14372,6 +14195,265 @@ public final class ActivityManagerService extends ActivityManagerNative
} }
} }
private void appendBasicMemEntry(StringBuilder sb, int oomAdj, int procState, long pss,
String name) {
sb.append(" ");
sb.append(ProcessList.makeOomAdjString(oomAdj));
sb.append(' ');
sb.append(ProcessList.makeProcStateString(procState));
sb.append(' ');
ProcessList.appendRamKb(sb, pss);
sb.append(" kB: ");
sb.append(name);
}
private void appendMemInfo(StringBuilder sb, ProcessMemInfo mi) {
appendBasicMemEntry(sb, mi.oomAdj, mi.procState, mi.pss, mi.name);
sb.append(" (");
sb.append(mi.pid);
sb.append(") ");
sb.append(mi.adjType);
sb.append('\n');
if (mi.adjReason != null) {
sb.append(" ");
sb.append(mi.adjReason);
sb.append('\n');
}
}
void reportMemUsage(ArrayList<ProcessMemInfo> memInfos) {
final SparseArray<ProcessMemInfo> infoMap = new SparseArray<>(memInfos.size());
for (int i=0, N=memInfos.size(); i<N; i++) {
ProcessMemInfo mi = memInfos.get(i);
infoMap.put(mi.pid, mi);
}
updateCpuStatsNow();
synchronized (mProcessCpuTracker) {
final int N = mProcessCpuTracker.countStats();
for (int i=0; i<N; i++) {
ProcessCpuTracker.Stats st = mProcessCpuTracker.getStats(i);
if (st.vsize > 0) {
long pss = Debug.getPss(st.pid, null);
if (pss > 0) {
if (infoMap.indexOfKey(st.pid) < 0) {
ProcessMemInfo mi = new ProcessMemInfo(st.name, st.pid,
ProcessList.NATIVE_ADJ, -1, "native", null);
mi.pss = pss;
memInfos.add(mi);
}
}
}
}
}
long totalPss = 0;
for (int i=0, N=memInfos.size(); i<N; i++) {
ProcessMemInfo mi = memInfos.get(i);
if (mi.pss == 0) {
mi.pss = Debug.getPss(mi.pid, null);
}
totalPss += mi.pss;
}
Collections.sort(memInfos, new Comparator<ProcessMemInfo>() {
@Override public int compare(ProcessMemInfo lhs, ProcessMemInfo rhs) {
if (lhs.oomAdj != rhs.oomAdj) {
return lhs.oomAdj < rhs.oomAdj ? -1 : 1;
}
if (lhs.pss != rhs.pss) {
return lhs.pss < rhs.pss ? 1 : -1;
}
return 0;
}
});
StringBuilder tag = new StringBuilder(128);
StringBuilder stack = new StringBuilder(128);
tag.append("Low on memory -- ");
appendMemBucket(tag, totalPss, "total", false);
appendMemBucket(stack, totalPss, "total", true);
StringBuilder fullNativeBuilder = new StringBuilder(1024);
StringBuilder shortNativeBuilder = new StringBuilder(1024);
StringBuilder fullJavaBuilder = new StringBuilder(1024);
boolean firstLine = true;
int lastOomAdj = Integer.MIN_VALUE;
long extraNativeRam = 0;
long cachedPss = 0;
for (int i=0, N=memInfos.size(); i<N; i++) {
ProcessMemInfo mi = memInfos.get(i);
if (mi.oomAdj >= ProcessList.CACHED_APP_MIN_ADJ) {
cachedPss += mi.pss;
}
if (mi.oomAdj != ProcessList.NATIVE_ADJ
&& (mi.oomAdj < ProcessList.SERVICE_ADJ
|| mi.oomAdj == ProcessList.HOME_APP_ADJ
|| mi.oomAdj == ProcessList.PREVIOUS_APP_ADJ)) {
if (lastOomAdj != mi.oomAdj) {
lastOomAdj = mi.oomAdj;
if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) {
tag.append(" / ");
}
if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ) {
if (firstLine) {
stack.append(":");
firstLine = false;
}
stack.append("\n\t at ");
} else {
stack.append("$");
}
} else {
tag.append(" ");
stack.append("$");
}
if (mi.oomAdj <= ProcessList.FOREGROUND_APP_ADJ) {
appendMemBucket(tag, mi.pss, mi.name, false);
}
appendMemBucket(stack, mi.pss, mi.name, true);
if (mi.oomAdj >= ProcessList.FOREGROUND_APP_ADJ
&& ((i+1) >= N || memInfos.get(i+1).oomAdj != lastOomAdj)) {
stack.append("(");
for (int k=0; k<DUMP_MEM_OOM_ADJ.length; k++) {
if (DUMP_MEM_OOM_ADJ[k] == mi.oomAdj) {
stack.append(DUMP_MEM_OOM_LABEL[k]);
stack.append(":");
stack.append(DUMP_MEM_OOM_ADJ[k]);
}
}
stack.append(")");
}
}
appendMemInfo(fullNativeBuilder, mi);
if (mi.oomAdj == ProcessList.NATIVE_ADJ) {
// The short form only has native processes that are >= 1MB.
if (mi.pss >= 1000) {
appendMemInfo(shortNativeBuilder, mi);
} else {
extraNativeRam += mi.pss;
}
} else {
// Short form has all other details, but if we have collected RAM
// from smaller native processes let's dump a summary of that.
if (extraNativeRam > 0) {
appendBasicMemEntry(shortNativeBuilder, ProcessList.NATIVE_ADJ,
-1, extraNativeRam, "(Other native)");
shortNativeBuilder.append('\n');
extraNativeRam = 0;
}
appendMemInfo(fullJavaBuilder, mi);
}
}
fullJavaBuilder.append(" ");
ProcessList.appendRamKb(fullJavaBuilder, totalPss);
fullJavaBuilder.append(" kB: TOTAL\n");
MemInfoReader memInfo = new MemInfoReader();
memInfo.readMemInfo();
final long[] infos = memInfo.getRawInfo();
StringBuilder memInfoBuilder = new StringBuilder(1024);
Debug.getMemInfo(infos);
memInfoBuilder.append(" MemInfo: ");
memInfoBuilder.append(infos[Debug.MEMINFO_SLAB]).append(" kB slab, ");
memInfoBuilder.append(infos[Debug.MEMINFO_SHMEM]).append(" kB shmem, ");
memInfoBuilder.append(infos[Debug.MEMINFO_VM_ALLOC_USED]).append(" kB vm alloc, ");
memInfoBuilder.append(infos[Debug.MEMINFO_PAGE_TABLES]).append(" kB page tables ");
memInfoBuilder.append(infos[Debug.MEMINFO_KERNEL_STACK]).append(" kB kernel stack\n");
memInfoBuilder.append(" ");
memInfoBuilder.append(infos[Debug.MEMINFO_BUFFERS]).append(" kB buffers, ");
memInfoBuilder.append(infos[Debug.MEMINFO_CACHED]).append(" kB cached, ");
memInfoBuilder.append(infos[Debug.MEMINFO_MAPPED]).append(" kB mapped, ");
memInfoBuilder.append(infos[Debug.MEMINFO_FREE]).append(" kB free\n");
if (infos[Debug.MEMINFO_ZRAM_TOTAL] != 0) {
memInfoBuilder.append(" ZRAM: ");
memInfoBuilder.append(infos[Debug.MEMINFO_ZRAM_TOTAL]);
memInfoBuilder.append(" kB RAM, ");
memInfoBuilder.append(infos[Debug.MEMINFO_SWAP_TOTAL]);
memInfoBuilder.append(" kB swap total, ");
memInfoBuilder.append(infos[Debug.MEMINFO_SWAP_FREE]);
memInfoBuilder.append(" kB swap free\n");
}
final long[] ksm = getKsmInfo();
if (ksm[KSM_SHARING] != 0 || ksm[KSM_SHARED] != 0 || ksm[KSM_UNSHARED] != 0
|| ksm[KSM_VOLATILE] != 0) {
memInfoBuilder.append(" KSM: "); memInfoBuilder.append(ksm[KSM_SHARING]);
memInfoBuilder.append(" kB saved from shared ");
memInfoBuilder.append(ksm[KSM_SHARED]); memInfoBuilder.append(" kB\n");
memInfoBuilder.append(" "); memInfoBuilder.append(ksm[KSM_UNSHARED]);
memInfoBuilder.append(" kB unshared; ");
memInfoBuilder.append(ksm[KSM_VOLATILE]); memInfoBuilder.append(" kB volatile\n");
}
memInfoBuilder.append(" Free RAM: ");
memInfoBuilder.append(cachedPss + memInfo.getCachedSizeKb()
+ memInfo.getFreeSizeKb());
memInfoBuilder.append(" kB\n");
memInfoBuilder.append(" Used RAM: ");
memInfoBuilder.append(totalPss - cachedPss + memInfo.getKernelUsedSizeKb());
memInfoBuilder.append(" kB\n");
memInfoBuilder.append(" Lost RAM: ");
memInfoBuilder.append(memInfo.getTotalSizeKb()
- totalPss - memInfo.getFreeSizeKb() - memInfo.getCachedSizeKb()
- memInfo.getKernelUsedSizeKb());
memInfoBuilder.append(" kB\n");
Slog.i(TAG, "Low on memory:");
Slog.i(TAG, shortNativeBuilder.toString());
Slog.i(TAG, fullJavaBuilder.toString());
Slog.i(TAG, memInfoBuilder.toString());
StringBuilder dropBuilder = new StringBuilder(1024);
/*
StringWriter oomSw = new StringWriter();
PrintWriter oomPw = new FastPrintWriter(oomSw, false, 256);
StringWriter catSw = new StringWriter();
PrintWriter catPw = new FastPrintWriter(catSw, false, 256);
String[] emptyArgs = new String[] { };
dumpApplicationMemoryUsage(null, oomPw, " ", emptyArgs, true, catPw);
oomPw.flush();
String oomString = oomSw.toString();
*/
dropBuilder.append("Low on memory:");
dropBuilder.append(stack);
dropBuilder.append('\n');
dropBuilder.append(fullNativeBuilder);
dropBuilder.append(fullJavaBuilder);
dropBuilder.append('\n');
dropBuilder.append(memInfoBuilder);
dropBuilder.append('\n');
/*
dropBuilder.append(oomString);
dropBuilder.append('\n');
*/
StringWriter catSw = new StringWriter();
synchronized (ActivityManagerService.this) {
PrintWriter catPw = new FastPrintWriter(catSw, false, 256);
String[] emptyArgs = new String[] { };
catPw.println();
dumpProcessesLocked(null, catPw, emptyArgs, 0, false, null);
catPw.println();
mServices.dumpServicesLocked(null, catPw, emptyArgs, 0,
false, false, null);
catPw.println();
dumpActivitiesLocked(null, catPw, emptyArgs, 0, false, false, null);
catPw.flush();
}
dropBuilder.append(catSw.toString());
addErrorToDropBox("lowmem", null, "system_server", null,
null, tag.toString(), dropBuilder.toString(), null, null);
//Slog.i(TAG, "Sent to dropbox:");
//Slog.i(TAG, dropBuilder.toString());
synchronized (ActivityManagerService.this) {
long now = SystemClock.uptimeMillis();
if (mLastMemUsageReportTime < now) {
mLastMemUsageReportTime = now;
}
}
}
/** /**
* Searches array of arguments for the specified string * Searches array of arguments for the specified string
* @param args array of argument strings * @param args array of argument strings