ProcessRecord.java revision 1ebccf531d1049853b3b0630035434619682c016
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 17package com.android.server.am; 18 19import com.android.internal.os.BatteryStatsImpl; 20 21import android.app.ActivityManager; 22import android.app.Dialog; 23import android.app.IApplicationThread; 24import android.app.IInstrumentationWatcher; 25import android.content.ComponentName; 26import android.content.pm.ApplicationInfo; 27import android.os.Bundle; 28import android.os.IBinder; 29import android.os.SystemClock; 30import android.util.PrintWriterPrinter; 31import android.util.TimeUtils; 32 33import java.io.PrintWriter; 34import java.util.ArrayList; 35import java.util.HashMap; 36import java.util.HashSet; 37 38/** 39 * Full information about a particular process that 40 * is currently running. 41 */ 42class ProcessRecord { 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<String>(); 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 long lastActivityTime; // For managing the LRU list 54 long lruWeight; // Weight for ordering in LRU list 55 int maxAdj; // Maximum OOM adjustment for this process 56 int hiddenAdj; // If hidden, this is the adjustment to use 57 int curRawAdj; // Current OOM unlimited adjustment for this process 58 int setRawAdj; // Last set OOM unlimited adjustment for this process 59 int curAdj; // Current OOM adjustment for this process 60 int setAdj; // Last set OOM adjustment for this process 61 int curSchedGroup; // Currently desired scheduling class 62 int setSchedGroup; // Last set to background scheduling class 63 boolean setIsForeground; // Running foreground UI when last set? 64 boolean foregroundServices; // Running any services that are foreground? 65 boolean bad; // True if disabled in the bad process list 66 boolean killedBackground; // True when proc has been killed due to too many bg 67 IBinder forcingToForeground;// Token that is forcing this process to be foreground 68 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 69 int lruSeq; // Sequence id for identifying LRU update cycles 70 ComponentName instrumentationClass;// class installed to instrument app 71 ApplicationInfo instrumentationInfo; // the application being instrumented 72 String instrumentationProfileFile; // where to save profiling 73 IInstrumentationWatcher instrumentationWatcher; // who is waiting 74 Bundle instrumentationArguments;// as given to us 75 ComponentName instrumentationResultClass;// copy of instrumentationClass 76 BroadcastRecord curReceiver;// receiver currently running in the app 77 long lastWakeTime; // How long proc held wake lock at last check 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<ActivityRecord> activities = new ArrayList<ActivityRecord>(); 91 // all ServiceRecord running in this process 92 final HashSet<ServiceRecord> services = new HashSet<ServiceRecord>(); 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<String, ContentProviderRecord> pubProviders 103 = new HashMap<String, ContentProviderRecord>(); 104 // All ContentProviderRecord process is using 105 final HashMap<ContentProviderRecord, Integer> conProviders 106 = new HashMap<ContentProviderRecord, Integer>(); 107 108 boolean persistent; // always keep this application running? 109 boolean crashing; // are we in the process of crashing? 110 Dialog crashDialog; // dialog being displayed due to crash. 111 boolean notResponding; // does the app have a not responding dialog? 112 Dialog anrDialog; // dialog being displayed due to app not resp. 113 boolean removed; // has app package been removed from device? 114 boolean debugging; // was app launched for debugging? 115 int persistentActivities; // number of activities that are persistent 116 boolean waitedForDebugger; // has process show wait for debugger dialog? 117 Dialog waitDialog; // current wait for debugger dialog 118 119 String shortStringName; // caching of toShortString() result. 120 String stringName; // caching of toString() result. 121 122 // These reports are generated & stored when an app gets into an error condition. 123 // They will be "null" when all is OK. 124 ActivityManager.ProcessErrorStateInfo crashingReport; 125 ActivityManager.ProcessErrorStateInfo notRespondingReport; 126 127 // Who will be notified of the error. This is usually an activity in the 128 // app that installed the package. 129 ComponentName errorReportReceiver; 130 131 void dump(PrintWriter pw, String prefix) { 132 final long now = SystemClock.uptimeMillis(); 133 134 if (info.className != null) { 135 pw.print(prefix); pw.print("class="); pw.println(info.className); 136 } 137 if (info.manageSpaceActivityName != null) { 138 pw.print(prefix); pw.print("manageSpaceActivityName="); 139 pw.println(info.manageSpaceActivityName); 140 } 141 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 142 pw.print(" publicDir="); pw.print(info.publicSourceDir); 143 pw.print(" data="); pw.println(info.dataDir); 144 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 145 if (instrumentationClass != null || instrumentationProfileFile != null 146 || instrumentationArguments != null) { 147 pw.print(prefix); pw.print("instrumentationClass="); 148 pw.print(instrumentationClass); 149 pw.print(" instrumentationProfileFile="); 150 pw.println(instrumentationProfileFile); 151 pw.print(prefix); pw.print("instrumentationArguments="); 152 pw.println(instrumentationArguments); 153 pw.print(prefix); pw.print("instrumentationInfo="); 154 pw.println(instrumentationInfo); 155 if (instrumentationInfo != null) { 156 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 157 } 158 } 159 pw.print(prefix); pw.print("thread="); pw.print(thread); 160 pw.print(" curReceiver="); pw.println(curReceiver); 161 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 162 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 163 pw.print(prefix); pw.print("lastActivityTime="); 164 TimeUtils.formatDuration(lastActivityTime, now, pw); 165 pw.print(" lruWeight="); pw.print(lruWeight); 166 pw.print(" hidden="); pw.print(hidden); 167 pw.print(" empty="); pw.println(empty); 168 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 169 pw.print(" hidden="); pw.print(hiddenAdj); 170 pw.print(" curRaw="); pw.print(curRawAdj); 171 pw.print(" setRaw="); pw.print(setRawAdj); 172 pw.print(" cur="); pw.print(curAdj); 173 pw.print(" set="); pw.println(setAdj); 174 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 175 pw.print(" setSchedGroup="); pw.println(setSchedGroup); 176 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 177 pw.print(" foregroundServices="); pw.print(foregroundServices); 178 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 179 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 180 pw.print(" removed="); pw.print(removed); 181 pw.print(" persistentActivities="); pw.println(persistentActivities); 182 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 183 pw.print(" lruSeq="); pw.println(lruSeq); 184 pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime); 185 pw.print(" lastRequestedGc="); 186 TimeUtils.formatDuration(lastRequestedGc, now, pw); 187 pw.print(" lastLowMemory="); 188 TimeUtils.formatDuration(lastLowMemory, now, pw); 189 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 190 if (killedBackground) { 191 pw.print(prefix); pw.print("killedBackground="); pw.println(killedBackground); 192 } 193 if (debugging || crashing || crashDialog != null || notResponding 194 || anrDialog != null || bad) { 195 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 196 pw.print(" crashing="); pw.print(crashing); 197 pw.print(" "); pw.print(crashDialog); 198 pw.print(" notResponding="); pw.print(notResponding); 199 pw.print(" " ); pw.print(anrDialog); 200 pw.print(" bad="); pw.print(bad); 201 202 // crashing or notResponding is always set before errorReportReceiver 203 if (errorReportReceiver != null) { 204 pw.print(" errorReportReceiver="); 205 pw.print(errorReportReceiver.flattenToShortString()); 206 } 207 pw.println(); 208 } 209 if (activities.size() > 0) { 210 pw.print(prefix); pw.print("activities="); pw.println(activities); 211 } 212 if (services.size() > 0) { 213 pw.print(prefix); pw.print("services="); pw.println(services); 214 } 215 if (executingServices.size() > 0) { 216 pw.print(prefix); pw.print("executingServices="); pw.println(executingServices); 217 } 218 if (connections.size() > 0) { 219 pw.print(prefix); pw.print("connections="); pw.println(connections); 220 } 221 if (pubProviders.size() > 0) { 222 pw.print(prefix); pw.print("pubProviders="); pw.println(pubProviders); 223 } 224 if (conProviders.size() > 0) { 225 pw.print(prefix); pw.print("conProviders="); pw.println(conProviders); 226 } 227 if (receivers.size() > 0) { 228 pw.print(prefix); pw.print("receivers="); pw.println(receivers); 229 } 230 } 231 232 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 233 ApplicationInfo _info, String _processName) { 234 batteryStats = _batteryStats; 235 info = _info; 236 processName = _processName; 237 pkgList.add(_info.packageName); 238 thread = _thread; 239 maxAdj = ActivityManagerService.EMPTY_APP_ADJ; 240 hiddenAdj = ActivityManagerService.HIDDEN_APP_MIN_ADJ; 241 curRawAdj = setRawAdj = -100; 242 curAdj = setAdj = -100; 243 persistent = false; 244 removed = false; 245 persistentActivities = 0; 246 } 247 248 public void setPid(int _pid) { 249 pid = _pid; 250 shortStringName = null; 251 stringName = null; 252 } 253 254 /** 255 * This method returns true if any of the activities within the process record are interesting 256 * to the user. See HistoryRecord.isInterestingToUserLocked() 257 */ 258 public boolean isInterestingToUserLocked() { 259 final int size = activities.size(); 260 for (int i = 0 ; i < size ; i++) { 261 ActivityRecord r = activities.get(i); 262 if (r.isInterestingToUserLocked()) { 263 return true; 264 } 265 } 266 return false; 267 } 268 269 public void stopFreezingAllLocked() { 270 int i = activities.size(); 271 while (i > 0) { 272 i--; 273 activities.get(i).stopFreezingScreenLocked(true); 274 } 275 } 276 277 public String toShortString() { 278 if (shortStringName != null) { 279 return shortStringName; 280 } 281 StringBuilder sb = new StringBuilder(128); 282 toShortString(sb); 283 return shortStringName = sb.toString(); 284 } 285 286 void toShortString(StringBuilder sb) { 287 sb.append(Integer.toHexString(System.identityHashCode(this))); 288 sb.append(' '); 289 sb.append(pid); 290 sb.append(':'); 291 sb.append(processName); 292 sb.append('/'); 293 sb.append(info.uid); 294 } 295 296 public String toString() { 297 if (stringName != null) { 298 return stringName; 299 } 300 StringBuilder sb = new StringBuilder(128); 301 sb.append("ProcessRecord{"); 302 toShortString(sb); 303 sb.append('}'); 304 return stringName = sb.toString(); 305 } 306 307 /* 308 * Return true if package has been added false if not 309 */ 310 public boolean addPackage(String pkg) { 311 if (!pkgList.contains(pkg)) { 312 pkgList.add(pkg); 313 return true; 314 } 315 return false; 316 } 317 318 /* 319 * Delete all packages from list except the package indicated in info 320 */ 321 public void resetPackageList() { 322 pkgList.clear(); 323 pkgList.add(info.packageName); 324 } 325 326 public String[] getPackageList() { 327 int size = pkgList.size(); 328 if (size == 0) { 329 return null; 330 } 331 String list[] = new String[size]; 332 pkgList.toArray(list); 333 return list; 334 } 335} 336