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 21 import android.app.ActivityManager; 22 import android.app.Dialog; 23 import android.app.IApplicationThread; 24 import android.app.IInstrumentationWatcher; 25 import android.content.ComponentName; 26 import android.content.pm.ApplicationInfo; 27 import android.os.Bundle; 28 import android.os.IBinder; 29 import android.os.SystemClock; 30 import android.util.PrintWriterPrinter; 31 import android.util.TimeUtils; 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 { 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 keeping; // Actively running code so don't kill due to that? 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 lastWakeTime; // How long proc held wake lock at last check 79 long lastCpuTime; // How long proc has run CPU at last check 80 long curCpuTime; // How long proc has run CPU most recently 81 long lastRequestedGc; // When we last asked the app to do a gc 82 long lastLowMemory; // When we last told the app that memory is low 83 boolean reportLowMemory; // Set to true when waiting to report low mem 84 boolean empty; // Is this an empty background process? 85 boolean hidden; // Is this a hidden process? 86 int lastPss; // Last pss size reported by app. 87 String adjType; // Debugging: primary thing impacting oom_adj. 88 int adjTypeCode; // Debugging: adj code to report to app. 89 Object adjSource; // Debugging: option dependent object. 90 Object adjTarget; // Debugging: target component impacting oom_adj. 91 92 // contains HistoryRecord objects 93 final ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>(); 94 // all ServiceRecord running in this process 95 final HashSet<ServiceRecord> services = new HashSet<ServiceRecord>(); 96 // services that are currently executing code (need to remain foreground). 97 final HashSet<ServiceRecord> executingServices 98 = new HashSet<ServiceRecord>(); 99 // All ConnectionRecord this process holds 100 final HashSet<ConnectionRecord> connections 101 = new HashSet<ConnectionRecord>(); 102 // all IIntentReceivers that are registered from this process. 103 final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>(); 104 // class (String) -> ContentProviderRecord 105 final HashMap<String, ContentProviderRecord> pubProviders 106 = new HashMap<String, ContentProviderRecord>(); 107 // All ContentProviderRecord process is using 108 final HashMap<ContentProviderRecord, Integer> conProviders 109 = new HashMap<ContentProviderRecord, Integer>(); 110 111 boolean persistent; // always keep this application running? 112 boolean crashing; // are we in the process of crashing? 113 Dialog crashDialog; // dialog being displayed due to crash. 114 boolean notResponding; // does the app have a not responding dialog? 115 Dialog anrDialog; // dialog being displayed due to app not resp. 116 boolean removed; // has app package been removed from device? 117 boolean debugging; // was app launched for debugging? 118 boolean waitedForDebugger; // has process show wait for debugger dialog? 119 Dialog waitDialog; // current wait for debugger dialog 120 121 String shortStringName; // caching of toShortString() result. 122 String stringName; // caching of toString() result. 123 124 // These reports are generated & stored when an app gets into an error condition. 125 // They will be "null" when all is OK. 126 ActivityManager.ProcessErrorStateInfo crashingReport; 127 ActivityManager.ProcessErrorStateInfo notRespondingReport; 128 129 // Who will be notified of the error. This is usually an activity in the 130 // app that installed the package. 131 ComponentName errorReportReceiver; 132 133 void dump(PrintWriter pw, String prefix) { 134 final long now = SystemClock.uptimeMillis(); 135 136 if (info.className != null) { 137 pw.print(prefix); pw.print("class="); pw.println(info.className); 138 } 139 if (info.manageSpaceActivityName != null) { 140 pw.print(prefix); pw.print("manageSpaceActivityName="); 141 pw.println(info.manageSpaceActivityName); 142 } 143 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 144 pw.print(" publicDir="); pw.print(info.publicSourceDir); 145 pw.print(" data="); pw.println(info.dataDir); 146 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 147 if (instrumentationClass != null || instrumentationProfileFile != null 148 || instrumentationArguments != null) { 149 pw.print(prefix); pw.print("instrumentationClass="); 150 pw.print(instrumentationClass); 151 pw.print(" instrumentationProfileFile="); 152 pw.println(instrumentationProfileFile); 153 pw.print(prefix); pw.print("instrumentationArguments="); 154 pw.println(instrumentationArguments); 155 pw.print(prefix); pw.print("instrumentationInfo="); 156 pw.println(instrumentationInfo); 157 if (instrumentationInfo != null) { 158 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 159 } 160 } 161 pw.print(prefix); pw.print("thread="); pw.print(thread); 162 pw.print(" curReceiver="); pw.println(curReceiver); 163 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 164 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 165 pw.print(prefix); pw.print("lastActivityTime="); 166 TimeUtils.formatDuration(lastActivityTime, now, pw); 167 pw.print(" lruWeight="); pw.print(lruWeight); 168 pw.print(" keeping="); pw.print(keeping); 169 pw.print(" hidden="); pw.print(hidden); 170 pw.print(" empty="); pw.println(empty); 171 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 172 pw.print(" hidden="); pw.print(hiddenAdj); 173 pw.print(" curRaw="); pw.print(curRawAdj); 174 pw.print(" setRaw="); pw.print(setRawAdj); 175 pw.print(" cur="); pw.print(curAdj); 176 pw.print(" set="); pw.println(setAdj); 177 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 178 pw.print(" setSchedGroup="); pw.println(setSchedGroup); 179 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 180 pw.print(" foregroundServices="); pw.print(foregroundServices); 181 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 182 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 183 pw.print(" removed="); pw.println(removed); 184 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 185 pw.print(" lruSeq="); pw.println(lruSeq); 186 if (!keeping) { 187 long wtime; 188 synchronized (batteryStats.getBatteryStats()) { 189 wtime = batteryStats.getBatteryStats().getProcessWakeTime(info.uid, 190 pid, SystemClock.elapsedRealtime()); 191 } 192 long timeUsed = wtime - lastWakeTime; 193 pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime); 194 pw.print(" time used="); 195 TimeUtils.formatDuration(timeUsed, pw); pw.println(""); 196 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 197 pw.print(" time used="); 198 TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println(""); 199 } 200 pw.print(prefix); pw.print("lastRequestedGc="); 201 TimeUtils.formatDuration(lastRequestedGc, now, pw); 202 pw.print(" lastLowMemory="); 203 TimeUtils.formatDuration(lastLowMemory, now, pw); 204 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 205 if (killedBackground) { 206 pw.print(prefix); pw.print("killedBackground="); pw.println(killedBackground); 207 } 208 if (debugging || crashing || crashDialog != null || notResponding 209 || anrDialog != null || bad) { 210 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 211 pw.print(" crashing="); pw.print(crashing); 212 pw.print(" "); pw.print(crashDialog); 213 pw.print(" notResponding="); pw.print(notResponding); 214 pw.print(" " ); pw.print(anrDialog); 215 pw.print(" bad="); pw.print(bad); 216 217 // crashing or notResponding is always set before errorReportReceiver 218 if (errorReportReceiver != null) { 219 pw.print(" errorReportReceiver="); 220 pw.print(errorReportReceiver.flattenToShortString()); 221 } 222 pw.println(); 223 } 224 if (activities.size() > 0) { 225 pw.print(prefix); pw.print("activities="); pw.println(activities); 226 } 227 if (services.size() > 0) { 228 pw.print(prefix); pw.print("services="); pw.println(services); 229 } 230 if (executingServices.size() > 0) { 231 pw.print(prefix); pw.print("executingServices="); pw.println(executingServices); 232 } 233 if (connections.size() > 0) { 234 pw.print(prefix); pw.print("connections="); pw.println(connections); 235 } 236 if (pubProviders.size() > 0) { 237 pw.print(prefix); pw.print("pubProviders="); pw.println(pubProviders); 238 } 239 if (conProviders.size() > 0) { 240 pw.print(prefix); pw.print("conProviders="); pw.println(conProviders); 241 } 242 if (receivers.size() > 0) { 243 pw.print(prefix); pw.print("receivers="); pw.println(receivers); 244 } 245 } 246 247 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 248 ApplicationInfo _info, String _processName) { 249 batteryStats = _batteryStats; 250 info = _info; 251 processName = _processName; 252 pkgList.add(_info.packageName); 253 thread = _thread; 254 maxAdj = ActivityManagerService.EMPTY_APP_ADJ; 255 hiddenAdj = ActivityManagerService.HIDDEN_APP_MIN_ADJ; 256 curRawAdj = setRawAdj = -100; 257 curAdj = setAdj = -100; 258 persistent = false; 259 removed = false; 260 } 261 262 public void setPid(int _pid) { 263 pid = _pid; 264 shortStringName = null; 265 stringName = null; 266 } 267 268 /** 269 * This method returns true if any of the activities within the process record are interesting 270 * to the user. See HistoryRecord.isInterestingToUserLocked() 271 */ 272 public boolean isInterestingToUserLocked() { 273 final int size = activities.size(); 274 for (int i = 0 ; i < size ; i++) { 275 ActivityRecord r = activities.get(i); 276 if (r.isInterestingToUserLocked()) { 277 return true; 278 } 279 } 280 return false; 281 } 282 283 public void stopFreezingAllLocked() { 284 int i = activities.size(); 285 while (i > 0) { 286 i--; 287 activities.get(i).stopFreezingScreenLocked(true); 288 } 289 } 290 291 public String toShortString() { 292 if (shortStringName != null) { 293 return shortStringName; 294 } 295 StringBuilder sb = new StringBuilder(128); 296 toShortString(sb); 297 return shortStringName = sb.toString(); 298 } 299 300 void toShortString(StringBuilder sb) { 301 sb.append(Integer.toHexString(System.identityHashCode(this))); 302 sb.append(' '); 303 sb.append(pid); 304 sb.append(':'); 305 sb.append(processName); 306 sb.append('/'); 307 sb.append(info.uid); 308 } 309 310 public String toString() { 311 if (stringName != null) { 312 return stringName; 313 } 314 StringBuilder sb = new StringBuilder(128); 315 sb.append("ProcessRecord{"); 316 toShortString(sb); 317 sb.append('}'); 318 return stringName = sb.toString(); 319 } 320 321 /* 322 * Return true if package has been added false if not 323 */ 324 public boolean addPackage(String pkg) { 325 if (!pkgList.contains(pkg)) { 326 pkgList.add(pkg); 327 return true; 328 } 329 return false; 330 } 331 332 /* 333 * Delete all packages from list except the package indicated in info 334 */ 335 public void resetPackageList() { 336 pkgList.clear(); 337 pkgList.add(info.packageName); 338 } 339 340 public String[] getPackageList() { 341 int size = pkgList.size(); 342 if (size == 0) { 343 return null; 344 } 345 String list[] = new String[size]; 346 pkgList.toArray(list); 347 return list; 348 } 349 } 350
