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.os.SystemClock; 32 import android.util.PrintWriterPrinter; 33 34 import java.io.PrintWriter; 35 import java.util.ArrayList; 36 import java.util.HashMap; 37 import java.util.HashSet; 38 39 /** 40 * Full information about a particular process that 41 * is currently running. 42 */ 43 class ProcessRecord implements Watchdog.PssRequestor { 44 final BatteryStatsImpl.Uid.Proc batteryStats; // where to collect runtime statistics 45 final ApplicationInfo info; // all about the first app in the process 46 final String processName; // name of the process 47 // List of packages running in the process 48 final HashSet<String> pkgList = new HashSet(); 49 IApplicationThread thread; // the actual proc... may be null only if 50 // 'persistent' is true (in which case we 51 // are in the process of launching the app) 52 int pid; // The process of this application; 0 if none 53 boolean starting; // True if the process is being started 54 long lastActivityTime; // For managing the LRU list 55 long lruWeight; // Weight for ordering in LRU list 56 int maxAdj; // Maximum OOM adjustment for this process 57 int hiddenAdj; // If hidden, this is the adjustment to use 58 int curRawAdj; // Current OOM unlimited adjustment for this process 59 int setRawAdj; // Last set OOM unlimited adjustment for this process 60 int curAdj; // Current OOM adjustment for this process 61 int setAdj; // Last set OOM adjustment for this process 62 int curSchedGroup; // Currently desired scheduling class 63 int setSchedGroup; // Last set to background scheduling class 64 boolean setIsForeground; // Running foreground UI when last set? 65 boolean foregroundServices; // Running any services that are foreground? 66 boolean bad; // True if disabled in the bad process list 67 boolean killedBackground; // True when proc has been killed due to too many bg 68 IBinder forcingToForeground;// Token that is forcing this process to be foreground 69 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 70 int lruSeq; // Sequence id for identifying LRU update cycles 71 ComponentName instrumentationClass;// class installed to instrument app 72 ApplicationInfo instrumentationInfo; // the application being instrumented 73 String instrumentationProfileFile; // where to save profiling 74 IInstrumentationWatcher instrumentationWatcher; // who is waiting 75 Bundle instrumentationArguments;// as given to us 76 ComponentName instrumentationResultClass;// copy of instrumentationClass 77 BroadcastRecord curReceiver;// receiver currently running in the app 78 long lastRequestedGc; // When we last asked the app to do a gc 79 long lastLowMemory; // When we last told the app that memory is low 80 boolean reportLowMemory; // Set to true when waiting to report low mem 81 boolean empty; // Is this an empty background process? 82 boolean hidden; // Is this a hidden process? 83 int lastPss; // Last pss size reported by app. 84 String adjType; // Debugging: primary thing impacting oom_adj. 85 int adjTypeCode; // Debugging: adj code to report to app. 86 Object adjSource; // Debugging: option dependent object. 87 Object adjTarget; // Debugging: target component impacting oom_adj. 88 89 // contains HistoryRecord objects 90 final ArrayList activities = new ArrayList(); 91 // all ServiceRecord running in this process 92 final HashSet services = new HashSet(); 93 // services that are currently executing code (need to remain foreground). 94 final HashSet<ServiceRecord> executingServices 95 = new HashSet<ServiceRecord>(); 96 // All ConnectionRecord this process holds 97 final HashSet<ConnectionRecord> connections 98 = new HashSet<ConnectionRecord>(); 99 // all IIntentReceivers that are registered from this process. 100 final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>(); 101 // class (String) -> ContentProviderRecord 102 final HashMap pubProviders = new HashMap(); 103 // All ContentProviderRecord process is using 104 final HashMap<ContentProviderRecord, Integer> conProviders 105 = new HashMap<ContentProviderRecord, Integer>(); 106 107 boolean persistent; // always keep this application running? 108 boolean crashing; // are we in the process of crashing? 109 Dialog crashDialog; // dialog being displayed due to crash. 110 boolean notResponding; // does the app have a not responding dialog? 111 Dialog anrDialog; // dialog being displayed due to app not resp. 112 boolean removed; // has app package been removed from device? 113 boolean debugging; // was app launched for debugging? 114 int persistentActivities; // number of activities that are persistent 115 boolean waitedForDebugger; // has process show wait for debugger dialog? 116 Dialog waitDialog; // current wait for debugger dialog 117 118 String shortStringName; // caching of toShortString() result. 119 String stringName; // caching of toString() result. 120 121 // These reports are generated & stored when an app gets into an error condition. 122 // They will be "null" when all is OK. 123 ActivityManager.ProcessErrorStateInfo crashingReport; 124 ActivityManager.ProcessErrorStateInfo notRespondingReport; 125 126 // Who will be notified of the error. This is usually an activity in the 127 // app that installed the package. 128 ComponentName errorReportReceiver; 129 130 void dump(PrintWriter pw, String prefix) { 131 long now = SystemClock.uptimeMillis(); 132 if (info.className != null) { 133 pw.print(prefix); pw.print("class="); pw.println(info.className); 134 } 135 if (info.manageSpaceActivityName != null) { 136 pw.print(prefix); pw.print("manageSpaceActivityName="); 137 pw.println(info.manageSpaceActivityName); 138 } 139 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 140 pw.print(" publicDir="); pw.print(info.publicSourceDir); 141 pw.print(" data="); pw.println(info.dataDir); 142 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 143 if (instrumentationClass != null || instrumentationProfileFile != null 144 || instrumentationArguments != null) { 145 pw.print(prefix); pw.print("instrumentationClass="); 146 pw.print(instrumentationClass); 147 pw.print(" instrumentationProfileFile="); 148 pw.println(instrumentationProfileFile); 149 pw.print(prefix); pw.print("instrumentationArguments="); 150 pw.println(instrumentationArguments); 151 pw.print(prefix); pw.print("instrumentationInfo="); 152 pw.println(instrumentationInfo); 153 if (instrumentationInfo != null) { 154 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 155 } 156 } 157 pw.print(prefix); pw.print("thread="); pw.print(thread); 158 pw.print(" curReceiver="); pw.println(curReceiver); 159 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 160 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 161 pw.print(prefix); pw.print("lastActivityTime="); pw.print(lastActivityTime); 162 pw.print(" lruWeight="); pw.println(lruWeight); 163 pw.print(" hidden="); pw.print(hidden); 164 pw.print(" empty="); pw.println(empty); 165 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 166 pw.print(" hidden="); pw.print(hiddenAdj); 167 pw.print(" curRaw="); pw.print(curRawAdj); 168 pw.print(" setRaw="); pw.print(setRawAdj); 169 pw.print(" cur="); pw.print(curAdj); 170 pw.print(" set="); pw.println(setAdj); 171 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 172 pw.print(" setSchedGroup="); pw.println(setSchedGroup); 173 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 174 pw.print(" foregroundServices="); pw.print(foregroundServices); 175 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 176 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 177 pw.print(" removed="); pw.print(removed); 178 pw.print(" persistentActivities="); pw.println(persistentActivities); 179 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 180 pw.print(" lruSeq="); pw.println(lruSeq); 181 if (killedBackground) { 182 pw.print(prefix); pw.print("killedBackground="); pw.println(killedBackground); 183 } 184 if (debugging || crashing || crashDialog != null || notResponding 185 || anrDialog != null || bad) { 186 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 187 pw.print(" crashing="); pw.print(crashing); 188 pw.print(" "); pw.print(crashDialog); 189 pw.print(" notResponding="); pw.print(notResponding); 190 pw.print(" " ); pw.print(anrDialog); 191 pw.print(" bad="); pw.print(bad); 192 193 // crashing or notResponding is always set before errorReportReceiver 194 if (errorReportReceiver != null) { 195 pw.print(" errorReportReceiver="); 196 pw.print(errorReportReceiver.flattenToShortString()); 197 } 198 pw.println(); 199 } 200 if (activities.size() > 0) { 201 pw.print(prefix); pw.print("activities="); pw.println(activities); 202 } 203 if (services.size() > 0) { 204 pw.print(prefix); pw.print("services="); pw.println(services); 205 } 206 if (executingServices.size() > 0) { 207 pw.print(prefix); pw.print("executingServices="); pw.println(executingServices); 208 } 209 if (connections.size() > 0) { 210 pw.print(prefix); pw.print("connections="); pw.println(connections); 211 } 212 if (pubProviders.size() > 0) { 213 pw.print(prefix); pw.print("pubProviders="); pw.println(pubProviders); 214 } 215 if (conProviders.size() > 0) { 216 pw.print(prefix); pw.print("conProviders="); pw.println(conProviders); 217 } 218 if (receivers.size() > 0) { 219 pw.print(prefix); pw.print("receivers="); pw.println(receivers); 220 } 221 } 222 223 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 224 ApplicationInfo _info, String _processName) { 225 batteryStats = _batteryStats; 226 info = _info; 227 processName = _processName; 228 pkgList.add(_info.packageName); 229 thread = _thread; 230 maxAdj = ActivityManagerService.EMPTY_APP_ADJ; 231 hiddenAdj = ActivityManagerService.HIDDEN_APP_MIN_ADJ; 232 curRawAdj = setRawAdj = -100; 233 curAdj = setAdj = -100; 234 persistent = false; 235 removed = false; 236 persistentActivities = 0; 237 } 238 239 public void setPid(int _pid) { 240 pid = _pid; 241 shortStringName = null; 242 stringName = null; 243 } 244 245 /** 246 * This method returns true if any of the activities within the process record are interesting 247 * to the user. See HistoryRecord.isInterestingToUserLocked() 248 */ 249 public boolean isInterestingToUserLocked() { 250 final int size = activities.size(); 251 for (int i = 0 ; i < size ; i++) { 252 HistoryRecord r = (HistoryRecord) activities.get(i); 253 if (r.isInterestingToUserLocked()) { 254 return true; 255 } 256 } 257 return false; 258 } 259 260 public void stopFreezingAllLocked() { 261 int i = activities.size(); 262 while (i > 0) { 263 i--; 264 ((HistoryRecord)activities.get(i)).stopFreezingScreenLocked(true); 265 } 266 } 267 268 public void requestPss() { 269 IApplicationThread localThread = thread; 270 if (localThread != null) { 271 try { 272 localThread.requestPss(); 273 } catch (RemoteException e) { 274 } 275 } 276 } 277 278 public String toShortString() { 279 if (shortStringName != null) { 280 return shortStringName; 281 } 282 StringBuilder sb = new StringBuilder(128); 283 toShortString(sb); 284 return shortStringName = sb.toString(); 285 } 286 287 void toShortString(StringBuilder sb) { 288 sb.append(Integer.toHexString(System.identityHashCode(this))); 289 sb.append(' '); 290 sb.append(pid); 291 sb.append(':'); 292 sb.append(processName); 293 sb.append('/'); 294 sb.append(info.uid); 295 } 296 297 public String toString() { 298 if (stringName != null) { 299 return stringName; 300 } 301 StringBuilder sb = new StringBuilder(128); 302 sb.append("ProcessRecord{"); 303 toShortString(sb); 304 sb.append('}'); 305 return stringName = sb.toString(); 306 } 307 308 /* 309 * Return true if package has been added false if not 310 */ 311 public boolean addPackage(String pkg) { 312 if (!pkgList.contains(pkg)) { 313 pkgList.add(pkg); 314 return true; 315 } 316 return false; 317 } 318 319 /* 320 * Delete all packages from list except the package indicated in info 321 */ 322 public void resetPackageList() { 323 pkgList.clear(); 324 pkgList.add(info.packageName); 325 } 326 327 public String[] getPackageList() { 328 int size = pkgList.size(); 329 if (size == 0) { 330 return null; 331 } 332 String list[] = new String[size]; 333 pkgList.toArray(list); 334 return list; 335 } 336 } 337
