ProcessStatsServicepublic final class ProcessStatsService extends IProcessStats.Stub
| Fields Summary |
|---|
| static final String | TAG | | static final boolean | DEBUG | | static final int | MAX_HISTORIC_STATES | | static final String | STATE_FILE_PREFIX | | static final String | STATE_FILE_SUFFIX | | static final String | STATE_FILE_CHECKIN_SUFFIX | | static long | WRITE_PERIOD | | final ActivityManagerService | mAm | | final File | mBaseDir | | com.android.internal.app.ProcessStats | mProcessStats | | android.util.AtomicFile | mFile | | boolean | mCommitPending | | boolean | mShuttingDown | | int | mLastMemOnlyState | | boolean | mMemFactorLowered | | final ReentrantLock | mWriteLock | | final Object | mPendingWriteLock | | android.util.AtomicFile | mPendingWriteFile | | android.os.Parcel | mPendingWrite | | boolean | mPendingWriteCommitted | | long | mLastWriteTime |
| Constructors Summary |
|---|
public ProcessStatsService(ActivityManagerService am, File file)
mAm = am;
mBaseDir = file;
mBaseDir.mkdirs();
mProcessStats = new ProcessStats(true);
updateFile();
SystemProperties.addChangeCallback(new Runnable() {
@Override public void run() {
synchronized (mAm) {
if (mProcessStats.evaluateSystemProperties(false)) {
mProcessStats.mFlags |= ProcessStats.FLAG_SYSPROPS;
writeStateLocked(true, true);
mProcessStats.evaluateSystemProperties(true);
}
}
}
});
|
| Methods Summary |
|---|
| public void | addSysMemUsageLocked(long cachedMem, long freeMem, long zramMem, long kernelMem, long nativeMem)
mProcessStats.addSysMemUsage(cachedMem, freeMem, zramMem, kernelMem, nativeMem);
| | protected void | dump(java.io.FileDescriptor fd, java.io.PrintWriter pw, java.lang.String[] args)
if (mAm.checkCallingPermission(android.Manifest.permission.DUMP)
!= PackageManager.PERMISSION_GRANTED) {
pw.println("Permission Denial: can't dump procstats from from pid="
+ Binder.getCallingPid() + ", uid=" + Binder.getCallingUid()
+ " without permission " + android.Manifest.permission.DUMP);
return;
}
long ident = Binder.clearCallingIdentity();
try {
dumpInner(fd, pw, args);
} finally {
Binder.restoreCallingIdentity(ident);
}
| | private void | dumpAggregatedStats(java.io.PrintWriter pw, long aggregateHours, long now, java.lang.String reqPackage, boolean isCompact, boolean dumpDetails, boolean dumpFullDetails, boolean dumpAll, boolean activeOnly)
ParcelFileDescriptor pfd = getStatsOverTime(aggregateHours*60*60*1000
- (ProcessStats.COMMIT_PERIOD/2));
if (pfd == null) {
pw.println("Unable to build stats!");
return;
}
ProcessStats stats = new ProcessStats(false);
InputStream stream = new ParcelFileDescriptor.AutoCloseInputStream(pfd);
stats.read(stream);
if (stats.mReadError != null) {
pw.print("Failure reading: "); pw.println(stats.mReadError);
return;
}
if (isCompact) {
stats.dumpCheckinLocked(pw, reqPackage);
} else {
if (dumpDetails || dumpFullDetails) {
stats.dumpLocked(pw, reqPackage, now, !dumpFullDetails, dumpAll, activeOnly);
} else {
stats.dumpSummaryLocked(pw, reqPackage, now, activeOnly);
}
}
| | boolean | dumpFilteredProcessesCsvLocked(java.io.PrintWriter pw, java.lang.String header, boolean sepScreenStates, int[] screenStates, boolean sepMemStates, int[] memStates, boolean sepProcStates, int[] procStates, long now, java.lang.String reqPackage)
ArrayList<ProcessStats.ProcessState> procs = mProcessStats.collectProcessesLocked(
screenStates, memStates, procStates, procStates, now, reqPackage, false);
if (procs.size() > 0) {
if (header != null) {
pw.println(header);
}
ProcessStats.dumpProcessListCsv(pw, procs, sepScreenStates, screenStates,
sepMemStates, memStates, sepProcStates, procStates, now);
return true;
}
return false;
| | private static void | dumpHelp(java.io.PrintWriter pw)
pw.println("Process stats (procstats) dump options:");
pw.println(" [--checkin|-c|--csv] [--csv-screen] [--csv-proc] [--csv-mem]");
pw.println(" [--details] [--full-details] [--current] [--hours N] [--last N]");
pw.println(" [--max N] --active] [--commit] [--reset] [--clear] [--write] [-h]");
pw.println(" [--start-testing] [--stop-testing] [<package.name>]");
pw.println(" --checkin: perform a checkin: print and delete old committed states.");
pw.println(" -c: print only state in checkin format.");
pw.println(" --csv: output data suitable for putting in a spreadsheet.");
pw.println(" --csv-screen: on, off.");
pw.println(" --csv-mem: norm, mod, low, crit.");
pw.println(" --csv-proc: pers, top, fore, vis, precept, backup,");
pw.println(" service, home, prev, cached");
pw.println(" --details: dump per-package details, not just summary.");
pw.println(" --full-details: dump all timing and active state details.");
pw.println(" --current: only dump current state.");
pw.println(" --hours: aggregate over about N last hours.");
pw.println(" --last: only show the last committed stats at index N (starting at 1).");
pw.println(" --max: for -a, max num of historical batches to print.");
pw.println(" --active: only show currently active processes/services.");
pw.println(" --commit: commit current stats to disk and reset to start new stats.");
pw.println(" --reset: reset current stats, without committing.");
pw.println(" --clear: clear all stats; does both --reset and deletes old stats.");
pw.println(" --write: write current in-memory stats to disk.");
pw.println(" --read: replace current stats with last-written stats.");
pw.println(" --start-testing: clear all stats and starting high frequency pss sampling.");
pw.println(" --stop-testing: stop high frequency pss sampling.");
pw.println(" -a: print everything.");
pw.println(" -h: print this help text.");
pw.println(" <package.name>: optional name of package to filter output by.");
| | private void | dumpInner(java.io.FileDescriptor fd, java.io.PrintWriter pw, java.lang.String[] args)
final long now = SystemClock.uptimeMillis();
boolean isCheckin = false;
boolean isCompact = false;
boolean isCsv = false;
boolean currentOnly = false;
boolean dumpDetails = false;
boolean dumpFullDetails = false;
boolean dumpAll = false;
boolean quit = false;
int aggregateHours = 0;
int lastIndex = 0;
int maxNum = 2;
boolean activeOnly = false;
String reqPackage = null;
boolean csvSepScreenStats = false;
int[] csvScreenStats = new int[] { ProcessStats.ADJ_SCREEN_OFF, ProcessStats.ADJ_SCREEN_ON};
boolean csvSepMemStats = false;
int[] csvMemStats = new int[] { ProcessStats.ADJ_MEM_FACTOR_CRITICAL};
boolean csvSepProcStats = true;
int[] csvProcStats = ProcessStats.ALL_PROC_STATES;
if (args != null) {
for (int i=0; i<args.length; i++) {
String arg = args[i];
if ("--checkin".equals(arg)) {
isCheckin = true;
} else if ("-c".equals(arg)) {
isCompact = true;
} else if ("--csv".equals(arg)) {
isCsv = true;
} else if ("--csv-screen".equals(arg)) {
i++;
if (i >= args.length) {
pw.println("Error: argument required for --csv-screen");
dumpHelp(pw);
return;
}
boolean[] sep = new boolean[1];
String[] error = new String[1];
csvScreenStats = parseStateList(ProcessStats.ADJ_SCREEN_NAMES_CSV, ProcessStats.ADJ_SCREEN_MOD,
args[i], sep, error);
if (csvScreenStats == null) {
pw.println("Error in \"" + args[i] + "\": " + error[0]);
dumpHelp(pw);
return;
}
csvSepScreenStats = sep[0];
} else if ("--csv-mem".equals(arg)) {
i++;
if (i >= args.length) {
pw.println("Error: argument required for --csv-mem");
dumpHelp(pw);
return;
}
boolean[] sep = new boolean[1];
String[] error = new String[1];
csvMemStats = parseStateList(ProcessStats.ADJ_MEM_NAMES_CSV, 1, args[i], sep, error);
if (csvMemStats == null) {
pw.println("Error in \"" + args[i] + "\": " + error[0]);
dumpHelp(pw);
return;
}
csvSepMemStats = sep[0];
} else if ("--csv-proc".equals(arg)) {
i++;
if (i >= args.length) {
pw.println("Error: argument required for --csv-proc");
dumpHelp(pw);
return;
}
boolean[] sep = new boolean[1];
String[] error = new String[1];
csvProcStats = parseStateList(ProcessStats.STATE_NAMES_CSV, 1, args[i], sep, error);
if (csvProcStats == null) {
pw.println("Error in \"" + args[i] + "\": " + error[0]);
dumpHelp(pw);
return;
}
csvSepProcStats = sep[0];
} else if ("--details".equals(arg)) {
dumpDetails = true;
} else if ("--full-details".equals(arg)) {
dumpFullDetails = true;
} else if ("--hours".equals(arg)) {
i++;
if (i >= args.length) {
pw.println("Error: argument required for --hours");
dumpHelp(pw);
return;
}
try {
aggregateHours = Integer.parseInt(args[i]);
} catch (NumberFormatException e) {
pw.println("Error: --hours argument not an int -- " + args[i]);
dumpHelp(pw);
return;
}
} else if ("--last".equals(arg)) {
i++;
if (i >= args.length) {
pw.println("Error: argument required for --last");
dumpHelp(pw);
return;
}
try {
lastIndex = Integer.parseInt(args[i]);
} catch (NumberFormatException e) {
pw.println("Error: --last argument not an int -- " + args[i]);
dumpHelp(pw);
return;
}
} else if ("--max".equals(arg)) {
i++;
if (i >= args.length) {
pw.println("Error: argument required for --max");
dumpHelp(pw);
return;
}
try {
maxNum = Integer.parseInt(args[i]);
} catch (NumberFormatException e) {
pw.println("Error: --max argument not an int -- " + args[i]);
dumpHelp(pw);
return;
}
} else if ("--active".equals(arg)) {
activeOnly = true;
currentOnly = true;
} else if ("--current".equals(arg)) {
currentOnly = true;
} else if ("--commit".equals(arg)) {
synchronized (mAm) {
mProcessStats.mFlags |= ProcessStats.FLAG_COMPLETE;
writeStateLocked(true, true);
pw.println("Process stats committed.");
quit = true;
}
} else if ("--reset".equals(arg)) {
synchronized (mAm) {
mProcessStats.resetSafely();
pw.println("Process stats reset.");
quit = true;
}
} else if ("--clear".equals(arg)) {
synchronized (mAm) {
mProcessStats.resetSafely();
ArrayList<String> files = getCommittedFiles(0, true, true);
if (files != null) {
for (int fi=0; fi<files.size(); fi++) {
(new File(files.get(fi))).delete();
}
}
pw.println("All process stats cleared.");
quit = true;
}
} else if ("--write".equals(arg)) {
synchronized (mAm) {
writeStateSyncLocked();
pw.println("Process stats written.");
quit = true;
}
} else if ("--read".equals(arg)) {
synchronized (mAm) {
readLocked(mProcessStats, mFile);
pw.println("Process stats read.");
quit = true;
}
} else if ("--start-testing".equals(arg)) {
synchronized (mAm) {
mAm.setTestPssMode(true);
pw.println("Started high frequency sampling.");
quit = true;
}
} else if ("--stop-testing".equals(arg)) {
synchronized (mAm) {
mAm.setTestPssMode(false);
pw.println("Stopped high frequency sampling.");
quit = true;
}
} else if ("-h".equals(arg)) {
dumpHelp(pw);
return;
} else if ("-a".equals(arg)) {
dumpDetails = true;
dumpAll = true;
} else if (arg.length() > 0 && arg.charAt(0) == '-"){
pw.println("Unknown option: " + arg);
dumpHelp(pw);
return;
} else {
// Not an option, last argument must be a package name.
reqPackage = arg;
// Include all details, since we know we are only going to
// be dumping a smaller set of data. In fact only the details
// contain per-package data, so this is needed to be able
// to dump anything at all when filtering by package.
dumpDetails = true;
}
}
}
if (quit) {
return;
}
if (isCsv) {
pw.print("Processes running summed over");
if (!csvSepScreenStats) {
for (int i=0; i<csvScreenStats.length; i++) {
pw.print(" ");
ProcessStats.printScreenLabelCsv(pw, csvScreenStats[i]);
}
}
if (!csvSepMemStats) {
for (int i=0; i<csvMemStats.length; i++) {
pw.print(" ");
ProcessStats.printMemLabelCsv(pw, csvMemStats[i]);
}
}
if (!csvSepProcStats) {
for (int i=0; i<csvProcStats.length; i++) {
pw.print(" ");
pw.print(ProcessStats.STATE_NAMES_CSV[csvProcStats[i]]);
}
}
pw.println();
synchronized (mAm) {
dumpFilteredProcessesCsvLocked(pw, null,
csvSepScreenStats, csvScreenStats, csvSepMemStats, csvMemStats,
csvSepProcStats, csvProcStats, now, reqPackage);
/*
dumpFilteredProcessesCsvLocked(pw, "Processes running while critical mem:",
false, new int[] {ADJ_SCREEN_OFF, ADJ_SCREEN_ON},
true, new int[] {ADJ_MEM_FACTOR_CRITICAL},
true, new int[] {STATE_PERSISTENT, STATE_TOP, STATE_FOREGROUND, STATE_VISIBLE,
STATE_PERCEPTIBLE, STATE_BACKUP, STATE_SERVICE, STATE_HOME,
STATE_PREVIOUS, STATE_CACHED},
now, reqPackage);
dumpFilteredProcessesCsvLocked(pw, "Processes running over all mem:",
false, new int[] {ADJ_SCREEN_OFF, ADJ_SCREEN_ON},
false, new int[] {ADJ_MEM_FACTOR_CRITICAL, ADJ_MEM_FACTOR_LOW,
ADJ_MEM_FACTOR_MODERATE, ADJ_MEM_FACTOR_MODERATE},
true, new int[] {STATE_PERSISTENT, STATE_TOP, STATE_FOREGROUND, STATE_VISIBLE,
STATE_PERCEPTIBLE, STATE_BACKUP, STATE_SERVICE, STATE_HOME,
STATE_PREVIOUS, STATE_CACHED},
now, reqPackage);
*/
}
return;
} else if (aggregateHours != 0) {
pw.print("AGGREGATED OVER LAST "); pw.print(aggregateHours); pw.println(" HOURS:");
dumpAggregatedStats(pw, aggregateHours, now, reqPackage, isCompact,
dumpDetails, dumpFullDetails, dumpAll, activeOnly);
return;
} else if (lastIndex > 0) {
pw.print("LAST STATS AT INDEX "); pw.print(lastIndex); pw.println(":");
ArrayList<String> files = getCommittedFiles(0, false, true);
if (lastIndex >= files.size()) {
pw.print("Only have "); pw.print(files.size()); pw.println(" data sets");
return;
}
AtomicFile file = new AtomicFile(new File(files.get(lastIndex)));
ProcessStats processStats = new ProcessStats(false);
readLocked(processStats, file);
if (processStats.mReadError != null) {
if (isCheckin || isCompact) pw.print("err,");
pw.print("Failure reading "); pw.print(files.get(lastIndex));
pw.print("; "); pw.println(processStats.mReadError);
return;
}
String fileStr = file.getBaseFile().getPath();
boolean checkedIn = fileStr.endsWith(STATE_FILE_CHECKIN_SUFFIX);
if (isCheckin || isCompact) {
// Don't really need to lock because we uniquely own this object.
processStats.dumpCheckinLocked(pw, reqPackage);
} else {
pw.print("COMMITTED STATS FROM ");
pw.print(processStats.mTimePeriodStartClockStr);
if (checkedIn) pw.print(" (checked in)");
pw.println(":");
if (dumpDetails || dumpFullDetails) {
processStats.dumpLocked(pw, reqPackage, now, !dumpFullDetails, dumpAll,
activeOnly);
if (dumpAll) {
pw.print(" mFile="); pw.println(mFile.getBaseFile());
}
} else {
processStats.dumpSummaryLocked(pw, reqPackage, now, activeOnly);
}
}
return;
}
boolean sepNeeded = false;
if (dumpAll || isCheckin) {
mWriteLock.lock();
try {
ArrayList<String> files = getCommittedFiles(0, false, !isCheckin);
if (files != null) {
int start = isCheckin ? 0 : (files.size() - maxNum);
if (start < 0) {
start = 0;
}
for (int i=start; i<files.size(); i++) {
if (DEBUG) Slog.d(TAG, "Retrieving state: " + files.get(i));
try {
AtomicFile file = new AtomicFile(new File(files.get(i)));
ProcessStats processStats = new ProcessStats(false);
readLocked(processStats, file);
if (processStats.mReadError != null) {
if (isCheckin || isCompact) pw.print("err,");
pw.print("Failure reading "); pw.print(files.get(i));
pw.print("; "); pw.println(processStats.mReadError);
if (DEBUG) Slog.d(TAG, "Deleting state: " + files.get(i));
(new File(files.get(i))).delete();
continue;
}
String fileStr = file.getBaseFile().getPath();
boolean checkedIn = fileStr.endsWith(STATE_FILE_CHECKIN_SUFFIX);
if (isCheckin || isCompact) {
// Don't really need to lock because we uniquely own this object.
processStats.dumpCheckinLocked(pw, reqPackage);
} else {
if (sepNeeded) {
pw.println();
} else {
sepNeeded = true;
}
pw.print("COMMITTED STATS FROM ");
pw.print(processStats.mTimePeriodStartClockStr);
if (checkedIn) pw.print(" (checked in)");
pw.println(":");
// Don't really need to lock because we uniquely own this object.
// Always dump summary here, dumping all details is just too
// much crud.
if (dumpFullDetails) {
processStats.dumpLocked(pw, reqPackage, now, false, false,
activeOnly);
} else {
processStats.dumpSummaryLocked(pw, reqPackage, now, activeOnly);
}
}
if (isCheckin) {
// Rename file suffix to mark that it has checked in.
file.getBaseFile().renameTo(new File(
fileStr + STATE_FILE_CHECKIN_SUFFIX));
}
} catch (Throwable e) {
pw.print("**** FAILURE DUMPING STATE: "); pw.println(files.get(i));
e.printStackTrace(pw);
}
}
}
} finally {
mWriteLock.unlock();
}
}
if (!isCheckin) {
synchronized (mAm) {
if (isCompact) {
mProcessStats.dumpCheckinLocked(pw, reqPackage);
} else {
if (sepNeeded) {
pw.println();
}
pw.println("CURRENT STATS:");
if (dumpDetails || dumpFullDetails) {
mProcessStats.dumpLocked(pw, reqPackage, now, !dumpFullDetails, dumpAll,
activeOnly);
if (dumpAll) {
pw.print(" mFile="); pw.println(mFile.getBaseFile());
}
} else {
mProcessStats.dumpSummaryLocked(pw, reqPackage, now, activeOnly);
}
sepNeeded = true;
}
}
if (!currentOnly) {
if (sepNeeded) {
pw.println();
}
pw.println("AGGREGATED OVER LAST 24 HOURS:");
dumpAggregatedStats(pw, 24, now, reqPackage, isCompact,
dumpDetails, dumpFullDetails, dumpAll, activeOnly);
pw.println();
pw.println("AGGREGATED OVER LAST 3 HOURS:");
dumpAggregatedStats(pw, 3, now, reqPackage, isCompact,
dumpDetails, dumpFullDetails, dumpAll, activeOnly);
}
}
| | private java.util.ArrayList | getCommittedFiles(int minNum, boolean inclCurrent, boolean inclCheckedIn)
File[] files = mBaseDir.listFiles();
if (files == null || files.length <= minNum) {
return null;
}
ArrayList<String> filesArray = new ArrayList<String>(files.length);
String currentFile = mFile.getBaseFile().getPath();
if (DEBUG) Slog.d(TAG, "Collecting " + files.length + " files except: " + currentFile);
for (int i=0; i<files.length; i++) {
File file = files[i];
String fileStr = file.getPath();
if (DEBUG) Slog.d(TAG, "Collecting: " + fileStr);
if (!inclCheckedIn && fileStr.endsWith(STATE_FILE_CHECKIN_SUFFIX)) {
if (DEBUG) Slog.d(TAG, "Skipping: already checked in");
continue;
}
if (!inclCurrent && fileStr.equals(currentFile)) {
if (DEBUG) Slog.d(TAG, "Skipping: current stats");
continue;
}
filesArray.add(fileStr);
}
Collections.sort(filesArray);
return filesArray;
| | public int | getCurrentMemoryState()
synchronized (mAm) {
return mLastMemOnlyState;
}
| | public byte[] | getCurrentStats(java.util.List historic)
mAm.mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.PACKAGE_USAGE_STATS, null);
Parcel current = Parcel.obtain();
mWriteLock.lock();
try {
synchronized (mAm) {
long now = SystemClock.uptimeMillis();
mProcessStats.mTimePeriodEndRealtime = SystemClock.elapsedRealtime();
mProcessStats.mTimePeriodEndUptime = now;
mProcessStats.writeToParcel(current, now, 0);
}
if (historic != null) {
ArrayList<String> files = getCommittedFiles(0, false, true);
if (files != null) {
for (int i=files.size()-1; i>=0; i--) {
try {
ParcelFileDescriptor pfd = ParcelFileDescriptor.open(
new File(files.get(i)), ParcelFileDescriptor.MODE_READ_ONLY);
historic.add(pfd);
} catch (IOException e) {
Slog.w(TAG, "Failure opening procstat file " + files.get(i), e);
}
}
}
}
} finally {
mWriteLock.unlock();
}
return current.marshall();
| | public int | getMemFactorLocked()
return mProcessStats.mMemFactor != ProcessStats.STATE_NOTHING ? mProcessStats.mMemFactor : 0;
| | public ProcessStats.ProcessState | getProcessStateLocked(java.lang.String packageName, int uid, int versionCode, java.lang.String processName)
return mProcessStats.getProcessStateLocked(packageName, uid, versionCode, processName);
| | public ProcessStats.ServiceState | getServiceStateLocked(java.lang.String packageName, int uid, int versionCode, java.lang.String processName, java.lang.String className)
return mProcessStats.getServiceStateLocked(packageName, uid, versionCode, processName,
className);
| | public android.os.ParcelFileDescriptor | getStatsOverTime(long minTime)
mAm.mContext.enforceCallingOrSelfPermission(
android.Manifest.permission.PACKAGE_USAGE_STATS, null);
mWriteLock.lock();
try {
Parcel current = Parcel.obtain();
long curTime;
synchronized (mAm) {
long now = SystemClock.uptimeMillis();
mProcessStats.mTimePeriodEndRealtime = SystemClock.elapsedRealtime();
mProcessStats.mTimePeriodEndUptime = now;
mProcessStats.writeToParcel(current, now, 0);
curTime = mProcessStats.mTimePeriodEndRealtime
- mProcessStats.mTimePeriodStartRealtime;
}
if (curTime < minTime) {
// Need to add in older stats to reach desired time.
ArrayList<String> files = getCommittedFiles(0, false, true);
if (files != null && files.size() > 0) {
current.setDataPosition(0);
ProcessStats stats = ProcessStats.CREATOR.createFromParcel(current);
current.recycle();
int i = files.size()-1;
while (i >= 0 && (stats.mTimePeriodEndRealtime
- stats.mTimePeriodStartRealtime) < minTime) {
AtomicFile file = new AtomicFile(new File(files.get(i)));
i--;
ProcessStats moreStats = new ProcessStats(false);
readLocked(moreStats, file);
if (moreStats.mReadError == null) {
stats.add(moreStats);
StringBuilder sb = new StringBuilder();
sb.append("Added stats: ");
sb.append(moreStats.mTimePeriodStartClockStr);
sb.append(", over ");
TimeUtils.formatDuration(moreStats.mTimePeriodEndRealtime
- moreStats.mTimePeriodStartRealtime, sb);
Slog.i(TAG, sb.toString());
} else {
Slog.w(TAG, "Failure reading " + files.get(i+1) + "; "
+ moreStats.mReadError);
continue;
}
}
current = Parcel.obtain();
stats.writeToParcel(current, 0);
}
}
final byte[] outData = current.marshall();
current.recycle();
final ParcelFileDescriptor[] fds = ParcelFileDescriptor.createPipe();
Thread thr = new Thread("ProcessStats pipe output") {
public void run() {
FileOutputStream fout = new ParcelFileDescriptor.AutoCloseOutputStream(fds[1]);
try {
fout.write(outData);
fout.close();
} catch (IOException e) {
Slog.w(TAG, "Failure writing pipe", e);
}
}
};
thr.start();
return fds[0];
} catch (IOException e) {
Slog.w(TAG, "Failed building output pipe", e);
} finally {
mWriteLock.unlock();
}
return null;
| | public boolean | isMemFactorLowered()
return mMemFactorLowered;
| | public boolean | onTransact(int code, android.os.Parcel data, android.os.Parcel reply, int flags)
try {
return super.onTransact(code, data, reply, flags);
} catch (RuntimeException e) {
if (!(e instanceof SecurityException)) {
Slog.wtf(TAG, "Process Stats Crash", e);
}
throw e;
}
| | static int[] | parseStateList(java.lang.String[] states, int mult, java.lang.String arg, boolean[] outSep, java.lang.String[] outError)
ArrayList<Integer> res = new ArrayList<Integer>();
int lastPos = 0;
for (int i=0; i<=arg.length(); i++) {
char c = i < arg.length() ? arg.charAt(i) : 0;
if (c != '," && c != '+" && c != ' " && c != 0) {
continue;
}
boolean isSep = c == ',";
if (lastPos == 0) {
// We now know the type of op.
outSep[0] = isSep;
} else if (c != 0 && outSep[0] != isSep) {
outError[0] = "inconsistent separators (can't mix ',' with '+')";
return null;
}
if (lastPos < (i-1)) {
String str = arg.substring(lastPos, i);
for (int j=0; j<states.length; j++) {
if (str.equals(states[j])) {
res.add(j);
str = null;
break;
}
}
if (str != null) {
outError[0] = "invalid word \"" + str + "\"";
return null;
}
}
lastPos = i + 1;
}
int[] finalRes = new int[res.size()];
for (int i=0; i<res.size(); i++) {
finalRes[i] = res.get(i) * mult;
}
return finalRes;
| | void | performWriteState()
if (DEBUG) Slog.d(TAG, "Performing write to " + mFile.getBaseFile());
Parcel data;
AtomicFile file;
synchronized (mPendingWriteLock) {
data = mPendingWrite;
file = mPendingWriteFile;
mPendingWriteCommitted = false;
if (data == null) {
return;
}
mPendingWrite = null;
mPendingWriteFile = null;
mWriteLock.lock();
}
FileOutputStream stream = null;
try {
stream = file.startWrite();
stream.write(data.marshall());
stream.flush();
file.finishWrite(stream);
if (DEBUG) Slog.d(TAG, "Write completed successfully!");
} catch (IOException e) {
Slog.w(TAG, "Error writing process statistics", e);
file.failWrite(stream);
} finally {
data.recycle();
trimHistoricStatesWriteLocked();
mWriteLock.unlock();
}
| | boolean | readLocked(com.android.internal.app.ProcessStats stats, android.util.AtomicFile file)
try {
FileInputStream stream = file.openRead();
stats.read(stream);
stream.close();
if (stats.mReadError != null) {
Slog.w(TAG, "Ignoring existing stats; " + stats.mReadError);
if (DEBUG) {
ArrayMap<String, SparseArray<ProcessStats.ProcessState>> procMap
= stats.mProcesses.getMap();
final int NPROC = procMap.size();
for (int ip=0; ip<NPROC; ip++) {
Slog.w(TAG, "Process: " + procMap.keyAt(ip));
SparseArray<ProcessStats.ProcessState> uids = procMap.valueAt(ip);
final int NUID = uids.size();
for (int iu=0; iu<NUID; iu++) {
Slog.w(TAG, " Uid " + uids.keyAt(iu) + ": " + uids.valueAt(iu));
}
}
ArrayMap<String, SparseArray<SparseArray<ProcessStats.PackageState>>> pkgMap
= stats.mPackages.getMap();
final int NPKG = pkgMap.size();
for (int ip=0; ip<NPKG; ip++) {
Slog.w(TAG, "Package: " + pkgMap.keyAt(ip));
SparseArray<SparseArray<ProcessStats.PackageState>> uids
= pkgMap.valueAt(ip);
final int NUID = uids.size();
for (int iu=0; iu<NUID; iu++) {
Slog.w(TAG, " Uid: " + uids.keyAt(iu));
SparseArray<ProcessStats.PackageState> vers = uids.valueAt(iu);
final int NVERS = vers.size();
for (int iv=0; iv<NVERS; iv++) {
Slog.w(TAG, " Vers: " + vers.keyAt(iv));
ProcessStats.PackageState pkgState = vers.valueAt(iv);
final int NPROCS = pkgState.mProcesses.size();
for (int iproc=0; iproc<NPROCS; iproc++) {
Slog.w(TAG, " Process " + pkgState.mProcesses.keyAt(iproc)
+ ": " + pkgState.mProcesses.valueAt(iproc));
}
final int NSRVS = pkgState.mServices.size();
for (int isvc=0; isvc<NSRVS; isvc++) {
Slog.w(TAG, " Service " + pkgState.mServices.keyAt(isvc)
+ ": " + pkgState.mServices.valueAt(isvc));
}
}
}
}
}
return false;
}
} catch (Throwable e) {
stats.mReadError = "caught exception: " + e;
Slog.e(TAG, "Error reading process statistics", e);
return false;
}
return true;
| | public boolean | setMemFactorLocked(int memFactor, boolean screenOn, long now)
mMemFactorLowered = memFactor < mLastMemOnlyState;
mLastMemOnlyState = memFactor;
if (screenOn) {
memFactor += ProcessStats.ADJ_SCREEN_ON;
}
if (memFactor != mProcessStats.mMemFactor) {
if (mProcessStats.mMemFactor != ProcessStats.STATE_NOTHING) {
mProcessStats.mMemFactorDurations[mProcessStats.mMemFactor]
+= now - mProcessStats.mStartTime;
}
mProcessStats.mMemFactor = memFactor;
mProcessStats.mStartTime = now;
final ArrayMap<String, SparseArray<SparseArray<ProcessStats.PackageState>>> pmap
= mProcessStats.mPackages.getMap();
for (int ipkg=pmap.size()-1; ipkg>=0; ipkg--) {
final SparseArray<SparseArray<ProcessStats.PackageState>> uids = pmap.valueAt(ipkg);
for (int iuid=uids.size()-1; iuid>=0; iuid--) {
final SparseArray<ProcessStats.PackageState> vers = uids.valueAt(iuid);
for (int iver=vers.size()-1; iver>=0; iver--) {
final ProcessStats.PackageState pkg = vers.valueAt(iver);
final ArrayMap<String, ProcessStats.ServiceState> services = pkg.mServices;
for (int isvc=services.size()-1; isvc>=0; isvc--) {
final ProcessStats.ServiceState service = services.valueAt(isvc);
if (service.isRestarting()) {
service.setRestarting(true, memFactor, now);
} else if (service.isInUse()) {
if (service.mStartedState != ProcessStats.STATE_NOTHING) {
service.setStarted(true, memFactor, now);
}
if (service.mBoundState != ProcessStats.STATE_NOTHING) {
service.setBound(true, memFactor, now);
}
if (service.mExecState != ProcessStats.STATE_NOTHING) {
service.setExecuting(true, memFactor, now);
}
}
}
}
}
}
return true;
}
return false;
| | public boolean | shouldWriteNowLocked(long now)
if (now > (mLastWriteTime+WRITE_PERIOD)) {
if (SystemClock.elapsedRealtime()
> (mProcessStats.mTimePeriodStartRealtime+ProcessStats.COMMIT_PERIOD) &&
SystemClock.uptimeMillis()
> (mProcessStats.mTimePeriodStartUptime+ProcessStats.COMMIT_UPTIME_PERIOD)) {
mCommitPending = true;
}
return true;
}
return false;
| | public void | shutdownLocked()
Slog.w(TAG, "Writing process stats before shutdown...");
mProcessStats.mFlags |= ProcessStats.FLAG_SHUTDOWN;
writeStateSyncLocked();
mShuttingDown = true;
| | public void | trimHistoricStatesWriteLocked()
ArrayList<String> filesArray = getCommittedFiles(MAX_HISTORIC_STATES, false, true);
if (filesArray == null) {
return;
}
while (filesArray.size() > MAX_HISTORIC_STATES) {
String file = filesArray.remove(0);
Slog.i(TAG, "Pruning old procstats: " + file);
(new File(file)).delete();
}
| | private void | updateFile()
mFile = new AtomicFile(new File(mBaseDir, STATE_FILE_PREFIX
+ mProcessStats.mTimePeriodStartClockStr + STATE_FILE_SUFFIX));
mLastWriteTime = SystemClock.uptimeMillis();
| | public void | writeStateAsyncLocked()
writeStateLocked(false);
| | private void | writeStateLocked(boolean sync)
if (mShuttingDown) {
return;
}
boolean commitPending = mCommitPending;
mCommitPending = false;
writeStateLocked(sync, commitPending);
| | public void | writeStateLocked(boolean sync, boolean commit)
synchronized (mPendingWriteLock) {
long now = SystemClock.uptimeMillis();
if (mPendingWrite == null || !mPendingWriteCommitted) {
mPendingWrite = Parcel.obtain();
mProcessStats.mTimePeriodEndRealtime = SystemClock.elapsedRealtime();
mProcessStats.mTimePeriodEndUptime = now;
if (commit) {
mProcessStats.mFlags |= ProcessStats.FLAG_COMPLETE;
}
mProcessStats.writeToParcel(mPendingWrite, 0);
mPendingWriteFile = new AtomicFile(mFile.getBaseFile());
mPendingWriteCommitted = commit;
}
if (commit) {
mProcessStats.resetSafely();
updateFile();
}
mLastWriteTime = SystemClock.uptimeMillis();
Slog.i(TAG, "Prepared write state in " + (SystemClock.uptimeMillis()-now) + "ms");
if (!sync) {
BackgroundThread.getHandler().post(new Runnable() {
@Override public void run() {
performWriteState();
}
});
return;
}
}
performWriteState();
| | public void | writeStateSyncLocked()
writeStateLocked(true);
|
|
