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.Context; 27 import android.content.pm.ApplicationInfo; 28 import android.content.res.CompatibilityInfo; 29 import android.os.Bundle; 30 import android.os.IBinder; 31 import android.os.SystemClock; 32 import android.util.PrintWriterPrinter; 33 import android.util.TimeUtils; 34 35 import java.io.PrintWriter; 36 import java.util.ArrayList; 37 import java.util.HashMap; 38 import java.util.HashSet; 39 40 /** 41 * Full information about a particular process that 42 * is currently running. 43 */ 44 class ProcessRecord { 45 final BatteryStatsImpl.Uid.Proc batteryStats; // where to collect runtime statistics 46 final ApplicationInfo info; // all about the first app in the process 47 final String processName; // name of the process 48 // List of packages running in the process 49 final HashSet<String> pkgList = new HashSet<String>(); 50 IApplicationThread thread; // the actual proc... may be null only if 51 // 'persistent' is true (in which case we 52 // are in the process of launching the app) 53 int pid; // The process of this application; 0 if none 54 boolean starting; // True if the process is being started 55 long lastActivityTime; // For managing the LRU list 56 long lruWeight; // Weight for ordering in LRU list 57 int maxAdj; // Maximum OOM adjustment for this process 58 int hiddenAdj; // If hidden, this is the adjustment to use 59 int curRawAdj; // Current OOM unlimited adjustment for this process 60 int setRawAdj; // Last set OOM unlimited adjustment for this process 61 int curAdj; // Current OOM adjustment for this process 62 int setAdj; // Last set OOM adjustment for this process 63 int curSchedGroup; // Currently desired scheduling class 64 int setSchedGroup; // Last set to background scheduling class 65 int trimMemoryLevel; // Last selected memory trimming level 66 boolean keeping; // Actively running code so don't kill due to that? 67 boolean setIsForeground; // Running foreground UI when last set? 68 boolean foregroundServices; // Running any services that are foreground? 69 boolean foregroundActivities; // Running any activities that are foreground? 70 boolean systemNoUi; // This is a system process, but not currently showing UI. 71 boolean hasShownUi; // Has UI been shown in this process since it was started? 72 boolean pendingUiClean; // Want to clean up resources from showing UI? 73 boolean hasAboveClient; // Bound using BIND_ABOVE_CLIENT, so want to be lower 74 boolean bad; // True if disabled in the bad process list 75 boolean killedBackground; // True when proc has been killed due to too many bg 76 String waitingToKill; // Process is waiting to be killed when in the bg; reason 77 IBinder forcingToForeground;// Token that is forcing this process to be foreground 78 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 79 int lruSeq; // Sequence id for identifying LRU update cycles 80 CompatibilityInfo compat; // last used compatibility mode 81 IBinder.DeathRecipient deathRecipient; // Who is watching for the death. 82 ComponentName instrumentationClass;// class installed to instrument app 83 ApplicationInfo instrumentationInfo; // the application being instrumented 84 String instrumentationProfileFile; // where to save profiling 85 IInstrumentationWatcher instrumentationWatcher; // who is waiting 86 Bundle instrumentationArguments;// as given to us 87 ComponentName instrumentationResultClass;// copy of instrumentationClass 88 boolean usingWrapper; // Set to true when process was launched with a wrapper attached 89 BroadcastRecord curReceiver;// receiver currently running in the app 90 long lastWakeTime; // How long proc held wake lock at last check 91 long lastCpuTime; // How long proc has run CPU at last check 92 long curCpuTime; // How long proc has run CPU most recently 93 long lastRequestedGc; // When we last asked the app to do a gc 94 long lastLowMemory; // When we last told the app that memory is low 95 boolean reportLowMemory; // Set to true when waiting to report low mem 96 boolean empty; // Is this an empty background process? 97 boolean hidden; // Is this a hidden process? 98 int lastPss; // Last pss size reported by app. 99 String adjType; // Debugging: primary thing impacting oom_adj. 100 int adjTypeCode; // Debugging: adj code to report to app. 101 Object adjSource; // Debugging: option dependent object. 102 int adjSourceOom; // Debugging: oom_adj of adjSource's process. 103 Object adjTarget; // Debugging: target component impacting oom_adj. 104 105 // contains HistoryRecord objects 106 final ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>(); 107 // all ServiceRecord running in this process 108 final HashSet<ServiceRecord> services = new HashSet<ServiceRecord>(); 109 // services that are currently executing code (need to remain foreground). 110 final HashSet<ServiceRecord> executingServices 111 = new HashSet<ServiceRecord>(); 112 // All ConnectionRecord this process holds 113 final HashSet<ConnectionRecord> connections 114 = new HashSet<ConnectionRecord>(); 115 // all IIntentReceivers that are registered from this process. 116 final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>(); 117 // class (String) -> ContentProviderRecord 118 final HashMap<String, ContentProviderRecord> pubProviders 119 = new HashMap<String, ContentProviderRecord>(); 120 // All ContentProviderRecord process is using 121 final HashMap<ContentProviderRecord, Integer> conProviders 122 = new HashMap<ContentProviderRecord, Integer>(); 123 124 boolean persistent; // always keep this application running? 125 boolean crashing; // are we in the process of crashing? 126 Dialog crashDialog; // dialog being displayed due to crash. 127 boolean notResponding; // does the app have a not responding dialog? 128 Dialog anrDialog; // dialog being displayed due to app not resp. 129 boolean removed; // has app package been removed from device? 130 boolean debugging; // was app launched for debugging? 131 boolean waitedForDebugger; // has process show wait for debugger dialog? 132 Dialog waitDialog; // current wait for debugger dialog 133 134 String shortStringName; // caching of toShortString() result. 135 String stringName; // caching of toString() result. 136 137 // These reports are generated & stored when an app gets into an error condition. 138 // They will be "null" when all is OK. 139 ActivityManager.ProcessErrorStateInfo crashingReport; 140 ActivityManager.ProcessErrorStateInfo notRespondingReport; 141 142 // Who will be notified of the error. This is usually an activity in the 143 // app that installed the package. 144 ComponentName errorReportReceiver; 145 146 void dump(PrintWriter pw, String prefix) { 147 final long now = SystemClock.uptimeMillis(); 148 149 if (info.className != null) { 150 pw.print(prefix); pw.print("class="); pw.println(info.className); 151 } 152 if (info.manageSpaceActivityName != null) { 153 pw.print(prefix); pw.print("manageSpaceActivityName="); 154 pw.println(info.manageSpaceActivityName); 155 } 156 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 157 pw.print(" publicDir="); pw.print(info.publicSourceDir); 158 pw.print(" data="); pw.println(info.dataDir); 159 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 160 pw.print(prefix); pw.print("compat="); pw.println(compat); 161 if (instrumentationClass != null || instrumentationProfileFile != null 162 || instrumentationArguments != null) { 163 pw.print(prefix); pw.print("instrumentationClass="); 164 pw.print(instrumentationClass); 165 pw.print(" instrumentationProfileFile="); 166 pw.println(instrumentationProfileFile); 167 pw.print(prefix); pw.print("instrumentationArguments="); 168 pw.println(instrumentationArguments); 169 pw.print(prefix); pw.print("instrumentationInfo="); 170 pw.println(instrumentationInfo); 171 if (instrumentationInfo != null) { 172 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 173 } 174 } 175 pw.print(prefix); pw.print("thread="); pw.print(thread); 176 pw.print(" curReceiver="); pw.println(curReceiver); 177 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 178 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 179 pw.print(prefix); pw.print("lastActivityTime="); 180 TimeUtils.formatDuration(lastActivityTime, now, pw); 181 pw.print(" lruWeight="); pw.print(lruWeight); 182 pw.print(" keeping="); pw.print(keeping); 183 pw.print(" hidden="); pw.print(hidden); 184 pw.print(" empty="); pw.println(empty); 185 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 186 pw.print(" hidden="); pw.print(hiddenAdj); 187 pw.print(" curRaw="); pw.print(curRawAdj); 188 pw.print(" setRaw="); pw.print(setRawAdj); 189 pw.print(" cur="); pw.print(curAdj); 190 pw.print(" set="); pw.println(setAdj); 191 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 192 pw.print(" setSchedGroup="); pw.print(setSchedGroup); 193 pw.print(" systemNoUi="); pw.print(systemNoUi); 194 pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel); 195 pw.print(prefix); pw.print("hasShownUi="); pw.print(hasShownUi); 196 pw.print(" pendingUiClean="); pw.print(pendingUiClean); 197 pw.print(" hasAboveClient="); pw.println(hasAboveClient); 198 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 199 pw.print(" foregroundServices="); pw.print(foregroundServices); 200 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 201 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 202 pw.print(" removed="); pw.println(removed); 203 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 204 pw.print(" lruSeq="); pw.println(lruSeq); 205 if (!keeping) { 206 long wtime; 207 synchronized (batteryStats.getBatteryStats()) { 208 wtime = batteryStats.getBatteryStats().getProcessWakeTime(info.uid, 209 pid, SystemClock.elapsedRealtime()); 210 } 211 long timeUsed = wtime - lastWakeTime; 212 pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime); 213 pw.print(" time used="); 214 TimeUtils.formatDuration(timeUsed, pw); pw.println(""); 215 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 216 pw.print(" time used="); 217 TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println(""); 218 } 219 pw.print(prefix); pw.print("lastRequestedGc="); 220 TimeUtils.formatDuration(lastRequestedGc, now, pw); 221 pw.print(" lastLowMemory="); 222 TimeUtils.formatDuration(lastLowMemory, now, pw); 223 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 224 if (killedBackground || waitingToKill != null) { 225 pw.print(prefix); pw.print("killedBackground="); pw.print(killedBackground); 226 pw.print(" waitingToKill="); pw.println(waitingToKill); 227 } 228 if (debugging || crashing || crashDialog != null || notResponding 229 || anrDialog != null || bad) { 230 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 231 pw.print(" crashing="); pw.print(crashing); 232 pw.print(" "); pw.print(crashDialog); 233 pw.print(" notResponding="); pw.print(notResponding); 234 pw.print(" " ); pw.print(anrDialog); 235 pw.print(" bad="); pw.print(bad); 236 237 // crashing or notResponding is always set before errorReportReceiver 238 if (errorReportReceiver != null) { 239 pw.print(" errorReportReceiver="); 240 pw.print(errorReportReceiver.flattenToShortString()); 241 } 242 pw.println(); 243 } 244 if (activities.size() > 0) { 245 pw.print(prefix); pw.print("activities="); pw.println(activities); 246 } 247 if (services.size() > 0) { 248 pw.print(prefix); pw.print("services="); pw.println(services); 249 } 250 if (executingServices.size() > 0) { 251 pw.print(prefix); pw.print("executingServices="); pw.println(executingServices); 252 } 253 if (connections.size() > 0) { 254 pw.print(prefix); pw.print("connections="); pw.println(connections); 255 } 256 if (pubProviders.size() > 0) { 257 pw.print(prefix); pw.print("pubProviders="); pw.println(pubProviders); 258 } 259 if (conProviders.size() > 0) { 260 pw.print(prefix); pw.print("conProviders="); pw.println(conProviders); 261 } 262 if (receivers.size() > 0) { 263 pw.print(prefix); pw.print("receivers="); pw.println(receivers); 264 } 265 } 266 267 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 268 ApplicationInfo _info, String _processName) { 269 batteryStats = _batteryStats; 270 info = _info; 271 processName = _processName; 272 pkgList.add(_info.packageName); 273 thread = _thread; 274 maxAdj = ProcessList.EMPTY_APP_ADJ; 275 hiddenAdj = ProcessList.HIDDEN_APP_MIN_ADJ; 276 curRawAdj = setRawAdj = -100; 277 curAdj = setAdj = -100; 278 persistent = false; 279 removed = false; 280 } 281 282 public void setPid(int _pid) { 283 pid = _pid; 284 shortStringName = null; 285 stringName = null; 286 } 287 288 /** 289 * This method returns true if any of the activities within the process record are interesting 290 * to the user. See HistoryRecord.isInterestingToUserLocked() 291 */ 292 public boolean isInterestingToUserLocked() { 293 final int size = activities.size(); 294 for (int i = 0 ; i < size ; i++) { 295 ActivityRecord r = activities.get(i); 296 if (r.isInterestingToUserLocked()) { 297 return true; 298 } 299 } 300 return false; 301 } 302 303 public void stopFreezingAllLocked() { 304 int i = activities.size(); 305 while (i > 0) { 306 i--; 307 activities.get(i).stopFreezingScreenLocked(true); 308 } 309 } 310 311 public void unlinkDeathRecipient() { 312 if (deathRecipient != null && thread != null) { 313 thread.asBinder().unlinkToDeath(deathRecipient, 0); 314 } 315 deathRecipient = null; 316 } 317 318 void updateHasAboveClientLocked() { 319 hasAboveClient = false; 320 if (connections.size() > 0) { 321 for (ConnectionRecord cr : connections) { 322 if ((cr.flags&Context.BIND_ABOVE_CLIENT) != 0) { 323 hasAboveClient = true; 324 break; 325 } 326 } 327 } 328 } 329 330 public String toShortString() { 331 if (shortStringName != null) { 332 return shortStringName; 333 } 334 StringBuilder sb = new StringBuilder(128); 335 toShortString(sb); 336 return shortStringName = sb.toString(); 337 } 338 339 void toShortString(StringBuilder sb) { 340 sb.append(pid); 341 sb.append(':'); 342 sb.append(processName); 343 sb.append('/'); 344 sb.append(info.uid); 345 } 346 347 public String toString() { 348 if (stringName != null) { 349 return stringName; 350 } 351 StringBuilder sb = new StringBuilder(128); 352 sb.append("ProcessRecord{"); 353 sb.append(Integer.toHexString(System.identityHashCode(this))); 354 sb.append(' '); 355 toShortString(sb); 356 sb.append('}'); 357 return stringName = sb.toString(); 358 } 359 360 /* 361 * Return true if package has been added false if not 362 */ 363 public boolean addPackage(String pkg) { 364 if (!pkgList.contains(pkg)) { 365 pkgList.add(pkg); 366 return true; 367 } 368 return false; 369 } 370 371 /* 372 * Delete all packages from list except the package indicated in info 373 */ 374 public void resetPackageList() { 375 pkgList.clear(); 376 pkgList.add(info.packageName); 377 } 378 379 public String[] getPackageList() { 380 int size = pkgList.size(); 381 if (size == 0) { 382 return null; 383 } 384 String list[] = new String[size]; 385 pkgList.toArray(list); 386 return list; 387 } 388 } 389
