/*
* Copyright (C) 2006 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.server.am;
import com.android.internal.os.BatteryStatsImpl;
import android.app.ActivityManager;
import android.app.Dialog;
import android.app.IApplicationThread;
import android.app.IInstrumentationWatcher;
import android.content.ComponentName;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.res.CompatibilityInfo;
import android.os.Bundle;
import android.os.IBinder;
import android.os.SystemClock;
import android.util.PrintWriterPrinter;
import android.util.TimeUtils;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
/**
* Full information about a particular process that
* is currently running.
*/
class ProcessRecord {
final BatteryStatsImpl.Uid.Proc batteryStats; // where to collect runtime statistics
final ApplicationInfo info; // all about the first app in the process
final String processName; // name of the process
// List of packages running in the process
final HashSet<String> pkgList = new HashSet<String>();
IApplicationThread thread; // the actual proc... may be null only if
// 'persistent' is true (in which case we
// are in the process of launching the app)
int pid; // The process of this application; 0 if none
boolean starting; // True if the process is being started
long lastActivityTime; // For managing the LRU list
long lruWeight; // Weight for ordering in LRU list
int maxAdj; // Maximum OOM adjustment for this process
int hiddenAdj; // If hidden, this is the adjustment to use
int curRawAdj; // Current OOM unlimited adjustment for this process
int setRawAdj; // Last set OOM unlimited adjustment for this process
int curAdj; // Current OOM adjustment for this process
int setAdj; // Last set OOM adjustment for this process
int curSchedGroup; // Currently desired scheduling class
int setSchedGroup; // Last set to background scheduling class
int trimMemoryLevel; // Last selected memory trimming level
boolean serviceb; // Process currently is on the service B list
boolean keeping; // Actively running code so don't kill due to that?
boolean setIsForeground; // Running foreground UI when last set?
boolean foregroundServices; // Running any services that are foreground?
boolean foregroundActivities; // Running any activities that are foreground?
boolean systemNoUi; // This is a system process, but not currently showing UI.
boolean hasShownUi; // Has UI been shown in this process since it was started?
boolean pendingUiClean; // Want to clean up resources from showing UI?
boolean hasAboveClient; // Bound using BIND_ABOVE_CLIENT, so want to be lower
boolean bad; // True if disabled in the bad process list
boolean killedBackground; // True when proc has been killed due to too many bg
String waitingToKill; // Process is waiting to be killed when in the bg; reason
IBinder forcingToForeground;// Token that is forcing this process to be foreground
int adjSeq; // Sequence id for identifying oom_adj assignment cycles
int lruSeq; // Sequence id for identifying LRU update cycles
CompatibilityInfo compat; // last used compatibility mode
IBinder.DeathRecipient deathRecipient; // Who is watching for the death.
ComponentName instrumentationClass;// class installed to instrument app
ApplicationInfo instrumentationInfo; // the application being instrumented
String instrumentationProfileFile; // where to save profiling
IInstrumentationWatcher instrumentationWatcher; // who is waiting
Bundle instrumentationArguments;// as given to us
ComponentName instrumentationResultClass;// copy of instrumentationClass
boolean usingWrapper; // Set to true when process was launched with a wrapper attached
BroadcastRecord curReceiver;// receiver currently running in the app
long lastWakeTime; // How long proc held wake lock at last check
long lastCpuTime; // How long proc has run CPU at last check
long curCpuTime; // How long proc has run CPU most recently
long lastRequestedGc; // When we last asked the app to do a gc
long lastLowMemory; // When we last told the app that memory is low
boolean reportLowMemory; // Set to true when waiting to report low mem
boolean empty; // Is this an empty background process?
boolean hidden; // Is this a hidden process?
int lastPss; // Last pss size reported by app.
String adjType; // Debugging: primary thing impacting oom_adj.
int adjTypeCode; // Debugging: adj code to report to app.
Object adjSource; // Debugging: option dependent object.
int adjSourceOom; // Debugging: oom_adj of adjSource's process.
Object adjTarget; // Debugging: target component impacting oom_adj.
// contains HistoryRecord objects
final ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>();
// all ServiceRecord running in this process
final HashSet<ServiceRecord> services = new HashSet<ServiceRecord>();
// services that are currently executing code (need to remain foreground).
final HashSet<ServiceRecord> executingServices
= new HashSet<ServiceRecord>();
// All ConnectionRecord this process holds
final HashSet<ConnectionRecord> connections
= new HashSet<ConnectionRecord>();
// all IIntentReceivers that are registered from this process.
final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>();
// class (String) -> ContentProviderRecord
final HashMap<String, ContentProviderRecord> pubProviders
= new HashMap<String, ContentProviderRecord>();
// All ContentProviderRecord process is using
final HashMap<ContentProviderRecord, Integer> conProviders
= new HashMap<ContentProviderRecord, Integer>();
boolean persistent; // always keep this application running?
boolean crashing; // are we in the process of crashing?
Dialog crashDialog; // dialog being displayed due to crash.
boolean notResponding; // does the app have a not responding dialog?
Dialog anrDialog; // dialog being displayed due to app not resp.
boolean removed; // has app package been removed from device?
boolean debugging; // was app launched for debugging?
boolean waitedForDebugger; // has process show wait for debugger dialog?
Dialog waitDialog; // current wait for debugger dialog
String shortStringName; // caching of toShortString() result.
String stringName; // caching of toString() result.
// These reports are generated & stored when an app gets into an error condition.
// They will be "null" when all is OK.
ActivityManager.ProcessErrorStateInfo crashingReport;
ActivityManager.ProcessErrorStateInfo notRespondingReport;
// Who will be notified of the error. This is usually an activity in the
// app that installed the package.
ComponentName errorReportReceiver;
void dump(PrintWriter pw, String prefix) {
final long now = SystemClock.uptimeMillis();
if (info.className != null) {
pw.print(prefix); pw.print("class="); pw.println(info.className);
}
if (info.manageSpaceActivityName != null) {
pw.print(prefix); pw.print("manageSpaceActivityName=");
pw.println(info.manageSpaceActivityName);
}
pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir);
pw.print(" publicDir="); pw.print(info.publicSourceDir);
pw.print(" data="); pw.println(info.dataDir);
pw.print(prefix); pw.print("packageList="); pw.println(pkgList);
pw.print(prefix); pw.print("compat="); pw.println(compat);
if (instrumentationClass != null || instrumentationProfileFile != null
|| instrumentationArguments != null) {
pw.print(prefix); pw.print("instrumentationClass=");
pw.print(instrumentationClass);
pw.print(" instrumentationProfileFile=");
pw.println(instrumentationProfileFile);
pw.print(prefix); pw.print("instrumentationArguments=");
pw.println(instrumentationArguments);
pw.print(prefix); pw.print("instrumentationInfo=");
pw.println(instrumentationInfo);
if (instrumentationInfo != null) {
instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " ");
}
}
pw.print(prefix); pw.print("thread="); pw.print(thread);
pw.print(" curReceiver="); pw.println(curReceiver);
pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting=");
pw.print(starting); pw.print(" lastPss="); pw.println(lastPss);
pw.print(prefix); pw.print("lastActivityTime=");
TimeUtils.formatDuration(lastActivityTime, now, pw);
pw.print(" lruWeight="); pw.print(lruWeight);
pw.print(" serviceb="); pw.print(serviceb);
pw.print(" keeping="); pw.print(keeping);
pw.print(" hidden="); pw.print(hidden);
pw.print(" empty="); pw.println(empty);
pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj);
pw.print(" hidden="); pw.print(hiddenAdj);
pw.print(" curRaw="); pw.print(curRawAdj);
pw.print(" setRaw="); pw.print(setRawAdj);
pw.print(" cur="); pw.print(curAdj);
pw.print(" set="); pw.println(setAdj);
pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup);
pw.print(" setSchedGroup="); pw.print(setSchedGroup);
pw.print(" systemNoUi="); pw.print(systemNoUi);
pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel);
pw.print(prefix); pw.print("hasShownUi="); pw.print(hasShownUi);
pw.print(" pendingUiClean="); pw.print(pendingUiClean);
pw.print(" hasAboveClient="); pw.println(hasAboveClient);
pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground);
pw.print(" foregroundServices="); pw.print(foregroundServices);
pw.print(" forcingToForeground="); pw.println(forcingToForeground);
pw.print(prefix); pw.print("persistent="); pw.print(persistent);
pw.print(" removed="); pw.println(removed);
pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq);
pw.print(" lruSeq="); pw.println(lruSeq);
if (!keeping) {
long wtime;
synchronized (batteryStats.getBatteryStats()) {
wtime = batteryStats.getBatteryStats().getProcessWakeTime(info.uid,
pid, SystemClock.elapsedRealtime());
}
long timeUsed = wtime - lastWakeTime;
pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime);
pw.print(" time used=");
TimeUtils.formatDuration(timeUsed, pw); pw.println("");
pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime);
pw.print(" time used=");
TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println("");
}
pw.print(prefix); pw.print("lastRequestedGc=");
TimeUtils.formatDuration(lastRequestedGc, now, pw);
pw.print(" lastLowMemory=");
TimeUtils.formatDuration(lastLowMemory, now, pw);
pw.print(" reportLowMemory="); pw.println(reportLowMemory);
if (killedBackground || waitingToKill != null) {
pw.print(prefix); pw.print("killedBackground="); pw.print(killedBackground);
pw.print(" waitingToKill="); pw.println(waitingToKill);
}
if (debugging || crashing || crashDialog != null || notResponding
|| anrDialog != null || bad) {
pw.print(prefix); pw.print("debugging="); pw.print(debugging);
pw.print(" crashing="); pw.print(crashing);
pw.print(" "); pw.print(crashDialog);
pw.print(" notResponding="); pw.print(notResponding);
pw.print(" " ); pw.print(anrDialog);
pw.print(" bad="); pw.print(bad);
// crashing or notResponding is always set before errorReportReceiver
if (errorReportReceiver != null) {
pw.print(" errorReportReceiver=");
pw.print(errorReportReceiver.flattenToShortString());
}
pw.println();
}
if (activities.size() > 0) {
pw.print(prefix); pw.print("activities="); pw.println(activities);
}
if (services.size() > 0) {
pw.print(prefix); pw.print("services="); pw.println(services);
}
if (executingServices.size() > 0) {
pw.print(prefix); pw.print("executingServices="); pw.println(executingServices);
}
if (connections.size() > 0) {
pw.print(prefix); pw.print("connections="); pw.println(connections);
}
if (pubProviders.size() > 0) {
pw.print(prefix); pw.print("pubProviders="); pw.println(pubProviders);
}
if (conProviders.size() > 0) {
pw.print(prefix); pw.print("conProviders="); pw.println(conProviders);
}
if (receivers.size() > 0) {
pw.print(prefix); pw.print("receivers="); pw.println(receivers);
}
}
ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread,
ApplicationInfo _info, String _processName) {
batteryStats = _batteryStats;
info = _info;
processName = _processName;
pkgList.add(_info.packageName);
thread = _thread;
maxAdj = ProcessList.HIDDEN_APP_MAX_ADJ;
hiddenAdj = ProcessList.HIDDEN_APP_MIN_ADJ;
curRawAdj = setRawAdj = -100;
curAdj = setAdj = -100;
persistent = false;
removed = false;
}
public void setPid(int _pid) {
pid = _pid;
shortStringName = null;
stringName = null;
}
/**
* This method returns true if any of the activities within the process record are interesting
* to the user. See HistoryRecord.isInterestingToUserLocked()
*/
public boolean isInterestingToUserLocked() {
final int size = activities.size();
for (int i = 0 ; i < size ; i++) {
ActivityRecord r = activities.get(i);
if (r.isInterestingToUserLocked()) {
return true;
}
}
return false;
}
public void stopFreezingAllLocked() {
int i = activities.size();
while (i > 0) {
i--;
activities.get(i).stopFreezingScreenLocked(true);
}
}
public void unlinkDeathRecipient() {
if (deathRecipient != null && thread != null) {
thread.asBinder().unlinkToDeath(deathRecipient, 0);
}
deathRecipient = null;
}
void updateHasAboveClientLocked() {
hasAboveClient = false;
if (connections.size() > 0) {
for (ConnectionRecord cr : connections) {
if ((cr.flags&Context.BIND_ABOVE_CLIENT) != 0) {
hasAboveClient = true;
break;
}
}
}
}
public String toShortString() {
if (shortStringName != null) {
return shortStringName;
}
StringBuilder sb = new StringBuilder(128);
toShortString(sb);
return shortStringName = sb.toString();
}
void toShortString(StringBuilder sb) {
sb.append(pid);
sb.append(':');
sb.append(processName);
sb.append('/');
sb.append(info.uid);
}
public String toString() {
if (stringName != null) {
return stringName;
}
StringBuilder sb = new StringBuilder(128);
sb.append("ProcessRecord{");
sb.append(Integer.toHexString(System.identityHashCode(this)));
sb.append(' ');
toShortString(sb);
sb.append('}');
return stringName = sb.toString();
}
/*
* Return true if package has been added false if not
*/
public boolean addPackage(String pkg) {
if (!pkgList.contains(pkg)) {
pkgList.add(pkg);
return true;
}
return false;
}
/*
* Delete all packages from list except the package indicated in info
*/
public void resetPackageList() {
pkgList.clear();
pkgList.add(info.packageName);
}
public String[] getPackageList() {
int size = pkgList.size();
if (size == 0) {
return null;
}
String list[] = new String[size];
pkgList.toArray(list);
return list;
}
}