1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.server.am; 18 19 import com.android.internal.os.BatteryStatsImpl; 20 import com.android.server.Watchdog; 21 22 import android.app.ActivityManager; 23 import android.app.Dialog; 24 import android.app.IApplicationThread; 25 import android.app.IInstrumentationWatcher; 26 import android.content.ComponentName; 27 import android.content.pm.ApplicationInfo; 28 import android.os.Bundle; 29 import android.os.IBinder; 30 import android.os.RemoteException; 31 import android.util.PrintWriterPrinter; 32 33 import java.io.PrintWriter; 34 import java.util.ArrayList; 35 import java.util.HashMap; 36 import java.util.HashSet; 37 38 /** 39 * Full information about a particular process that 40 * is currently running. 41 */ 42 class ProcessRecord implements Watchdog.PssRequestor { 43 final BatteryStatsImpl.Uid.Proc batteryStats; // where to collect runtime statistics 44 final ApplicationInfo info; // all about the first app in the process 45 final String processName; // name of the process 46 // List of packages running in the process 47 final HashSet<String> pkgList = new HashSet(); 48 IApplicationThread thread; // the actual proc... may be null only if 49 // 'persistent' is true (in which case we 50 // are in the process of launching the app) 51 int pid; // The process of this application; 0 if none 52 boolean starting; // True if the process is being started 53 int maxAdj; // Maximum OOM adjustment for this process 54 int hiddenAdj; // If hidden, this is the adjustment to use 55 int curRawAdj; // Current OOM unlimited adjustment for this process 56 int setRawAdj; // Last set OOM unlimited adjustment for this process 57 int curAdj; // Current OOM adjustment for this process 58 int setAdj; // Last set OOM adjustment for this process 59 int curSchedGroup; // Currently desired scheduling class 60 int setSchedGroup; // Last set to background scheduling class 61 boolean setIsForeground; // Running foreground UI when last set? 62 boolean foregroundServices; // Running any services that are foreground? 63 boolean bad; // True if disabled in the bad process list 64 IBinder forcingToForeground;// Token that is forcing this process to be foreground 65 int adjSeq; // Sequence id for identifying repeated trav 66 ComponentName instrumentationClass;// class installed to instrument app 67 ApplicationInfo instrumentationInfo; // the application being instrumented 68 String instrumentationProfileFile; // where to save profiling 69 IInstrumentationWatcher instrumentationWatcher; // who is waiting 70 Bundle instrumentationArguments;// as given to us 71 ComponentName instrumentationResultClass;// copy of instrumentationClass 72 BroadcastRecord curReceiver;// receiver currently running in the app 73 long lastRequestedGc; // When we last asked the app to do a gc 74 long lastLowMemory; // When we last told the app that memory is low 75 boolean reportLowMemory; // Set to true when waiting to report low mem 76 int lastPss; // Last pss size reported by app. 77 String adjType; // Debugging: primary thing impacting oom_adj. 78 int adjTypeCode; // Debugging: adj code to report to app. 79 Object adjSource; // Debugging: option dependent object. 80 Object adjTarget; // Debugging: target component impacting oom_adj. 81 82 // contains HistoryRecord objects 83 final ArrayList activities = new ArrayList(); 84 // all ServiceRecord running in this process 85 final HashSet services = new HashSet(); 86 // services that are currently executing code (need to remain foreground). 87 final HashSet<ServiceRecord> executingServices 88 = new HashSet<ServiceRecord>(); 89 // All ConnectionRecord this process holds 90 final HashSet<ConnectionRecord> connections 91 = new HashSet<ConnectionRecord>(); 92 // all IIntentReceivers that are registered from this process. 93 final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>(); 94 // class (String) -> ContentProviderRecord 95 final HashMap pubProviders = new HashMap(); 96 // All ContentProviderRecord process is using 97 final HashMap<ContentProviderRecord, Integer> conProviders 98 = new HashMap<ContentProviderRecord, Integer>(); 99 100 boolean persistent; // always keep this application running? 101 boolean crashing; // are we in the process of crashing? 102 Dialog crashDialog; // dialog being displayed due to crash. 103 boolean notResponding; // does the app have a not responding dialog? 104 Dialog anrDialog; // dialog being displayed due to app not resp. 105 boolean removed; // has app package been removed from device? 106 boolean debugging; // was app launched for debugging? 107 int persistentActivities; // number of activities that are persistent 108 boolean waitedForDebugger; // has process show wait for debugger dialog? 109 Dialog waitDialog; // current wait for debugger dialog 110 111 String stringName; // caching of toString() result. 112 113 // These reports are generated & stored when an app gets into an error condition. 114 // They will be "null" when all is OK. 115 ActivityManager.ProcessErrorStateInfo crashingReport; 116 ActivityManager.ProcessErrorStateInfo notRespondingReport; 117 118 // Who will be notified of the error. This is usually an activity in the 119 // app that installed the package. 120 ComponentName errorReportReceiver; 121 dump(PrintWriter pw, String prefix)122 void dump(PrintWriter pw, String prefix) { 123 if (info.className != null) { 124 pw.print(prefix); pw.print("class="); pw.println(info.className); 125 } 126 if (info.manageSpaceActivityName != null) { 127 pw.print(prefix); pw.print("manageSpaceActivityName="); 128 pw.println(info.manageSpaceActivityName); 129 } 130 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 131 pw.print(" publicDir="); pw.print(info.publicSourceDir); 132 pw.print(" data="); pw.println(info.dataDir); 133 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 134 if (instrumentationClass != null || instrumentationProfileFile != null 135 || instrumentationArguments != null) { 136 pw.print(prefix); pw.print("instrumentationClass="); 137 pw.print(instrumentationClass); 138 pw.print(" instrumentationProfileFile="); 139 pw.println(instrumentationProfileFile); 140 pw.print(prefix); pw.print("instrumentationArguments="); 141 pw.println(instrumentationArguments); 142 pw.print(prefix); pw.print("instrumentationInfo="); 143 pw.println(instrumentationInfo); 144 if (instrumentationInfo != null) { 145 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 146 } 147 } 148 pw.print(prefix); pw.print("thread="); pw.print(thread); 149 pw.print(" curReceiver="); pw.println(curReceiver); 150 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 151 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 152 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 153 pw.print(" hidden="); pw.print(hiddenAdj); 154 pw.print(" curRaw="); pw.print(curRawAdj); 155 pw.print(" setRaw="); pw.print(setRawAdj); 156 pw.print(" cur="); pw.print(curAdj); 157 pw.print(" set="); pw.println(setAdj); 158 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 159 pw.print(" setSchedGroup="); pw.println(setSchedGroup); 160 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 161 pw.print(" foregroundServices="); pw.print(foregroundServices); 162 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 163 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 164 pw.print(" removed="); pw.print(removed); 165 pw.print(" persistentActivities="); pw.println(persistentActivities); 166 if (debugging || crashing || crashDialog != null || notResponding 167 || anrDialog != null || bad) { 168 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 169 pw.print(" crashing="); pw.print(crashing); 170 pw.print(" "); pw.print(crashDialog); 171 pw.print(" notResponding="); pw.print(notResponding); 172 pw.print(" " ); pw.print(anrDialog); 173 pw.print(" bad="); pw.print(bad); 174 175 // crashing or notResponding is always set before errorReportReceiver 176 if (errorReportReceiver != null) { 177 pw.print(" errorReportReceiver="); 178 pw.print(errorReportReceiver.flattenToShortString()); 179 } 180 pw.println(); 181 } 182 if (activities.size() > 0) { 183 pw.print(prefix); pw.print("activities="); pw.println(activities); 184 } 185 if (services.size() > 0) { 186 pw.print(prefix); pw.print("services="); pw.println(services); 187 } 188 if (executingServices.size() > 0) { 189 pw.print(prefix); pw.print("executingServices="); pw.println(executingServices); 190 } 191 if (connections.size() > 0) { 192 pw.print(prefix); pw.print("connections="); pw.println(connections); 193 } 194 if (pubProviders.size() > 0) { 195 pw.print(prefix); pw.print("pubProviders="); pw.println(pubProviders); 196 } 197 if (conProviders.size() > 0) { 198 pw.print(prefix); pw.print("conProviders="); pw.println(conProviders); 199 } 200 if (receivers.size() > 0) { 201 pw.print(prefix); pw.print("receivers="); pw.println(receivers); 202 } 203 } 204 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, ApplicationInfo _info, String _processName)205 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 206 ApplicationInfo _info, String _processName) { 207 batteryStats = _batteryStats; 208 info = _info; 209 processName = _processName; 210 pkgList.add(_info.packageName); 211 thread = _thread; 212 maxAdj = ActivityManagerService.EMPTY_APP_ADJ; 213 hiddenAdj = ActivityManagerService.HIDDEN_APP_MIN_ADJ; 214 curRawAdj = setRawAdj = -100; 215 curAdj = setAdj = -100; 216 persistent = false; 217 removed = false; 218 persistentActivities = 0; 219 } 220 setPid(int _pid)221 public void setPid(int _pid) { 222 pid = _pid; 223 stringName = null; 224 } 225 226 /** 227 * This method returns true if any of the activities within the process record are interesting 228 * to the user. See HistoryRecord.isInterestingToUserLocked() 229 */ isInterestingToUserLocked()230 public boolean isInterestingToUserLocked() { 231 final int size = activities.size(); 232 for (int i = 0 ; i < size ; i++) { 233 HistoryRecord r = (HistoryRecord) activities.get(i); 234 if (r.isInterestingToUserLocked()) { 235 return true; 236 } 237 } 238 return false; 239 } 240 stopFreezingAllLocked()241 public void stopFreezingAllLocked() { 242 int i = activities.size(); 243 while (i > 0) { 244 i--; 245 ((HistoryRecord)activities.get(i)).stopFreezingScreenLocked(true); 246 } 247 } 248 requestPss()249 public void requestPss() { 250 IApplicationThread localThread = thread; 251 if (localThread != null) { 252 try { 253 localThread.requestPss(); 254 } catch (RemoteException e) { 255 } 256 } 257 } 258 toString()259 public String toString() { 260 if (stringName != null) { 261 return stringName; 262 } 263 StringBuilder sb = new StringBuilder(128); 264 sb.append("ProcessRecord{"); 265 sb.append(Integer.toHexString(System.identityHashCode(this))); 266 sb.append(' '); 267 sb.append(pid); 268 sb.append(':'); 269 sb.append(processName); 270 sb.append('/'); 271 sb.append(info.uid); 272 sb.append('}'); 273 return stringName = sb.toString(); 274 } 275 276 /* 277 * Return true if package has been added false if not 278 */ addPackage(String pkg)279 public boolean addPackage(String pkg) { 280 if (!pkgList.contains(pkg)) { 281 pkgList.add(pkg); 282 return true; 283 } 284 return false; 285 } 286 287 /* 288 * Delete all packages from list except the package indicated in info 289 */ resetPackageList()290 public void resetPackageList() { 291 pkgList.clear(); 292 pkgList.add(info.packageName); 293 } 294 getPackageList()295 public String[] getPackageList() { 296 int size = pkgList.size(); 297 if (size == 0) { 298 return null; 299 } 300 String list[] = new String[size]; 301 pkgList.toArray(list); 302 return list; 303 } 304 } 305