ProcessRecord.java revision b5f3b5c2e5108b875fdb21726eeca41f58d59d49
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 static android.app.ActivityManager.PROCESS_STATE_NONEXISTENT; 20import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM; 21import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME; 22 23import android.util.ArraySet; 24import android.util.DebugUtils; 25import android.util.EventLog; 26import android.util.Slog; 27import com.android.internal.app.procstats.ProcessStats; 28import com.android.internal.app.procstats.ProcessState; 29import com.android.internal.os.BatteryStatsImpl; 30 31import android.app.ActivityManager; 32import android.app.Dialog; 33import android.app.IApplicationThread; 34import android.app.IInstrumentationWatcher; 35import android.app.IUiAutomationConnection; 36import android.content.ComponentName; 37import android.content.Context; 38import android.content.pm.ApplicationInfo; 39import android.content.res.CompatibilityInfo; 40import android.os.Binder; 41import android.os.Bundle; 42import android.os.IBinder; 43import android.os.Process; 44import android.os.RemoteException; 45import android.os.SystemClock; 46import android.os.Trace; 47import android.os.UserHandle; 48import android.util.ArrayMap; 49import android.util.PrintWriterPrinter; 50import android.util.TimeUtils; 51 52import java.io.PrintWriter; 53import java.util.ArrayList; 54 55/** 56 * Full information about a particular process that 57 * is currently running. 58 */ 59final class ProcessRecord { 60 private static final String TAG = TAG_WITH_CLASS_NAME ? "ProcessRecord" : TAG_AM; 61 62 private final BatteryStatsImpl mBatteryStats; // where to collect runtime statistics 63 final ApplicationInfo info; // all about the first app in the process 64 final boolean isolated; // true if this is a special isolated process 65 final int uid; // uid of process; may be different from 'info' if isolated 66 final int userId; // user of process. 67 final String processName; // name of the process 68 // List of packages running in the process 69 final ArrayMap<String, ProcessStats.ProcessStateHolder> pkgList = new ArrayMap<>(); 70 UidRecord uidRecord; // overall state of process's uid. 71 ArraySet<String> pkgDeps; // additional packages we have a dependency on 72 IApplicationThread thread; // the actual proc... may be null only if 73 // 'persistent' is true (in which case we 74 // are in the process of launching the app) 75 ProcessState baseProcessTracker; 76 BatteryStatsImpl.Uid.Proc curProcBatteryStats; 77 int pid; // The process of this application; 0 if none 78 int[] gids; // The gids this process was launched with 79 String requiredAbi; // The ABI this process was launched with 80 String instructionSet; // The instruction set this process was launched with 81 boolean starting; // True if the process is being started 82 long lastActivityTime; // For managing the LRU list 83 long lastPssTime; // Last time we retrieved PSS data 84 long nextPssTime; // Next time we want to request PSS data 85 long lastStateTime; // Last time setProcState changed 86 long initialIdlePss; // Initial memory pss of process for idle maintenance. 87 long lastPss; // Last computed memory pss. 88 long lastSwapPss; // Last computed SwapPss. 89 long lastCachedPss; // Last computed pss when in cached state. 90 long lastCachedSwapPss; // Last computed SwapPss when in cached state. 91 int maxAdj; // Maximum OOM adjustment for this process 92 int curRawAdj; // Current OOM unlimited adjustment for this process 93 int setRawAdj; // Last set OOM unlimited adjustment for this process 94 int curAdj; // Current OOM adjustment for this process 95 int setAdj; // Last set OOM adjustment for this process 96 int curSchedGroup; // Currently desired scheduling class 97 int setSchedGroup; // Last set to background scheduling class 98 int trimMemoryLevel; // Last selected memory trimming level 99 int curProcState = PROCESS_STATE_NONEXISTENT; // Currently computed process state 100 int repProcState = PROCESS_STATE_NONEXISTENT; // Last reported process state 101 int setProcState = PROCESS_STATE_NONEXISTENT; // Last set process state in process tracker 102 int pssProcState = PROCESS_STATE_NONEXISTENT; // Currently requesting pss for 103 boolean serviceb; // Process currently is on the service B list 104 boolean serviceHighRam; // We are forcing to service B list due to its RAM use 105 boolean setIsForeground; // Running foreground UI when last set? 106 boolean notCachedSinceIdle; // Has this process not been in a cached state since last idle? 107 boolean hasClientActivities; // Are there any client services with activities? 108 boolean hasStartedServices; // Are there any started services running in this process? 109 boolean foregroundServices; // Running any services that are foreground? 110 boolean foregroundActivities; // Running any activities that are foreground? 111 boolean repForegroundActivities; // Last reported foreground activities. 112 boolean systemNoUi; // This is a system process, but not currently showing UI. 113 boolean hasShownUi; // Has UI been shown in this process since it was started? 114 boolean pendingUiClean; // Want to clean up resources from showing UI? 115 boolean hasAboveClient; // Bound using BIND_ABOVE_CLIENT, so want to be lower 116 boolean treatLikeActivity; // Bound using BIND_TREAT_LIKE_ACTIVITY 117 boolean bad; // True if disabled in the bad process list 118 boolean killedByAm; // True when proc has been killed by activity manager, not for RAM 119 boolean killed; // True once we know the process has been killed 120 boolean procStateChanged; // Keep track of whether we changed 'setAdj'. 121 boolean reportedInteraction;// Whether we have told usage stats about it being an interaction 122 boolean unlocked; // True when proc was started in user unlocked state 123 long interactionEventTime; // The time we sent the last interaction event 124 long fgInteractionTime; // When we became foreground for interaction purposes 125 String waitingToKill; // Process is waiting to be killed when in the bg, and reason 126 IBinder forcingToForeground;// Token that is forcing this process to be foreground 127 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 128 int lruSeq; // Sequence id for identifying LRU update cycles 129 CompatibilityInfo compat; // last used compatibility mode 130 IBinder.DeathRecipient deathRecipient; // Who is watching for the death. 131 ComponentName instrumentationClass;// class installed to instrument app 132 ApplicationInfo instrumentationInfo; // the application being instrumented 133 String instrumentationProfileFile; // where to save profiling 134 IInstrumentationWatcher instrumentationWatcher; // who is waiting 135 IUiAutomationConnection instrumentationUiAutomationConnection; // Connection to use the UI introspection APIs. 136 Bundle instrumentationArguments;// as given to us 137 ComponentName instrumentationResultClass;// copy of instrumentationClass 138 boolean usingWrapper; // Set to true when process was launched with a wrapper attached 139 BroadcastRecord curReceiver;// receiver currently running in the app 140 long lastWakeTime; // How long proc held wake lock at last check 141 long lastCpuTime; // How long proc has run CPU at last check 142 long curCpuTime; // How long proc has run CPU most recently 143 long lastRequestedGc; // When we last asked the app to do a gc 144 long lastLowMemory; // When we last told the app that memory is low 145 long lastProviderTime; // The last time someone else was using a provider in this process. 146 boolean reportLowMemory; // Set to true when waiting to report low mem 147 boolean empty; // Is this an empty background process? 148 boolean cached; // Is this a cached process? 149 String adjType; // Debugging: primary thing impacting oom_adj. 150 int adjTypeCode; // Debugging: adj code to report to app. 151 Object adjSource; // Debugging: option dependent object. 152 int adjSourceProcState; // Debugging: proc state of adjSource's process. 153 Object adjTarget; // Debugging: target component impacting oom_adj. 154 Runnable crashHandler; // Optional local handler to be invoked in the process crash. 155 156 // all activities running in the process 157 final ArrayList<ActivityRecord> activities = new ArrayList<>(); 158 // all ServiceRecord running in this process 159 final ArraySet<ServiceRecord> services = new ArraySet<>(); 160 // services that are currently executing code (need to remain foreground). 161 final ArraySet<ServiceRecord> executingServices = new ArraySet<>(); 162 // All ConnectionRecord this process holds 163 final ArraySet<ConnectionRecord> connections = new ArraySet<>(); 164 // all IIntentReceivers that are registered from this process. 165 final ArraySet<ReceiverList> receivers = new ArraySet<>(); 166 // class (String) -> ContentProviderRecord 167 final ArrayMap<String, ContentProviderRecord> pubProviders = new ArrayMap<>(); 168 // All ContentProviderRecord process is using 169 final ArrayList<ContentProviderConnection> conProviders = new ArrayList<>(); 170 171 boolean execServicesFg; // do we need to be executing services in the foreground? 172 boolean persistent; // always keep this application running? 173 boolean crashing; // are we in the process of crashing? 174 Dialog crashDialog; // dialog being displayed due to crash. 175 boolean forceCrashReport; // suppress normal auto-dismiss of crash dialog & report UI? 176 boolean notResponding; // does the app have a not responding dialog? 177 Dialog anrDialog; // dialog being displayed due to app not resp. 178 boolean removed; // has app package been removed from device? 179 boolean debugging; // was app launched for debugging? 180 boolean waitedForDebugger; // has process show wait for debugger dialog? 181 Dialog waitDialog; // current wait for debugger dialog 182 183 String shortStringName; // caching of toShortString() result. 184 String stringName; // caching of toString() result. 185 186 // These reports are generated & stored when an app gets into an error condition. 187 // They will be "null" when all is OK. 188 ActivityManager.ProcessErrorStateInfo crashingReport; 189 ActivityManager.ProcessErrorStateInfo notRespondingReport; 190 191 // Who will be notified of the error. This is usually an activity in the 192 // app that installed the package. 193 ComponentName errorReportReceiver; 194 195 // Process is currently hosting a backup agent for backup or restore 196 public boolean inFullBackup; 197 198 void dump(PrintWriter pw, String prefix) { 199 final long now = SystemClock.uptimeMillis(); 200 201 pw.print(prefix); pw.print("user #"); pw.print(userId); 202 pw.print(" uid="); pw.print(info.uid); 203 if (uid != info.uid) { 204 pw.print(" ISOLATED uid="); pw.print(uid); 205 } 206 pw.print(" gids={"); 207 if (gids != null) { 208 for (int gi=0; gi<gids.length; gi++) { 209 if (gi != 0) pw.print(", "); 210 pw.print(gids[gi]); 211 212 } 213 } 214 pw.println("}"); 215 pw.print(prefix); pw.print("requiredAbi="); pw.print(requiredAbi); 216 pw.print(" instructionSet="); pw.println(instructionSet); 217 if (info.className != null) { 218 pw.print(prefix); pw.print("class="); pw.println(info.className); 219 } 220 if (info.manageSpaceActivityName != null) { 221 pw.print(prefix); pw.print("manageSpaceActivityName="); 222 pw.println(info.manageSpaceActivityName); 223 } 224 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 225 pw.print(" publicDir="); pw.print(info.publicSourceDir); 226 pw.print(" data="); pw.println(info.dataDir); 227 pw.print(prefix); pw.print("packageList={"); 228 for (int i=0; i<pkgList.size(); i++) { 229 if (i > 0) pw.print(", "); 230 pw.print(pkgList.keyAt(i)); 231 } 232 pw.println("}"); 233 if (pkgDeps != null) { 234 pw.print(prefix); pw.print("packageDependencies={"); 235 for (int i=0; i<pkgDeps.size(); i++) { 236 if (i > 0) pw.print(", "); 237 pw.print(pkgDeps.valueAt(i)); 238 } 239 pw.println("}"); 240 } 241 pw.print(prefix); pw.print("compat="); pw.println(compat); 242 if (instrumentationClass != null || instrumentationProfileFile != null 243 || instrumentationArguments != null) { 244 pw.print(prefix); pw.print("instrumentationClass="); 245 pw.print(instrumentationClass); 246 pw.print(" instrumentationProfileFile="); 247 pw.println(instrumentationProfileFile); 248 pw.print(prefix); pw.print("instrumentationArguments="); 249 pw.println(instrumentationArguments); 250 pw.print(prefix); pw.print("instrumentationInfo="); 251 pw.println(instrumentationInfo); 252 if (instrumentationInfo != null) { 253 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 254 } 255 } 256 pw.print(prefix); pw.print("thread="); pw.println(thread); 257 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 258 pw.println(starting); 259 pw.print(prefix); pw.print("lastActivityTime="); 260 TimeUtils.formatDuration(lastActivityTime, now, pw); 261 pw.print(" lastPssTime="); 262 TimeUtils.formatDuration(lastPssTime, now, pw); 263 pw.print(" nextPssTime="); 264 TimeUtils.formatDuration(nextPssTime, now, pw); 265 pw.println(); 266 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 267 pw.print(" lruSeq="); pw.print(lruSeq); 268 pw.print(" lastPss="); DebugUtils.printSizeValue(pw, lastPss*1024); 269 pw.print(" lastSwapPss="); DebugUtils.printSizeValue(pw, lastSwapPss*1024); 270 pw.print(" lastCachedPss="); DebugUtils.printSizeValue(pw, lastCachedPss*1024); 271 pw.print(" lastCachedSwapPss="); DebugUtils.printSizeValue(pw, lastCachedSwapPss*1024); 272 pw.println(); 273 pw.print(prefix); pw.print("cached="); pw.print(cached); 274 pw.print(" empty="); pw.println(empty); 275 if (serviceb) { 276 pw.print(prefix); pw.print("serviceb="); pw.print(serviceb); 277 pw.print(" serviceHighRam="); pw.println(serviceHighRam); 278 } 279 if (notCachedSinceIdle) { 280 pw.print(prefix); pw.print("notCachedSinceIdle="); pw.print(notCachedSinceIdle); 281 pw.print(" initialIdlePss="); pw.println(initialIdlePss); 282 } 283 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 284 pw.print(" curRaw="); pw.print(curRawAdj); 285 pw.print(" setRaw="); pw.print(setRawAdj); 286 pw.print(" cur="); pw.print(curAdj); 287 pw.print(" set="); pw.println(setAdj); 288 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 289 pw.print(" setSchedGroup="); pw.print(setSchedGroup); 290 pw.print(" systemNoUi="); pw.print(systemNoUi); 291 pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel); 292 pw.print(prefix); pw.print("curProcState="); pw.print(curProcState); 293 pw.print(" repProcState="); pw.print(repProcState); 294 pw.print(" pssProcState="); pw.print(pssProcState); 295 pw.print(" setProcState="); pw.print(setProcState); 296 pw.print(" lastStateTime="); 297 TimeUtils.formatDuration(lastStateTime, now, pw); 298 pw.println(); 299 if (hasShownUi || pendingUiClean || hasAboveClient || treatLikeActivity) { 300 pw.print(prefix); pw.print("hasShownUi="); pw.print(hasShownUi); 301 pw.print(" pendingUiClean="); pw.print(pendingUiClean); 302 pw.print(" hasAboveClient="); pw.print(hasAboveClient); 303 pw.print(" treatLikeActivity="); pw.println(treatLikeActivity); 304 } 305 if (setIsForeground || foregroundServices || forcingToForeground != null) { 306 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 307 pw.print(" foregroundServices="); pw.print(foregroundServices); 308 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 309 } 310 if (reportedInteraction || fgInteractionTime != 0) { 311 pw.print(prefix); pw.print("reportedInteraction="); 312 pw.print(reportedInteraction); 313 if (interactionEventTime != 0) { 314 pw.print(" time="); 315 TimeUtils.formatDuration(interactionEventTime, SystemClock.elapsedRealtime(), pw); 316 } 317 if (fgInteractionTime != 0) { 318 pw.print(" fgInteractionTime="); 319 TimeUtils.formatDuration(fgInteractionTime, SystemClock.elapsedRealtime(), pw); 320 } 321 pw.println(); 322 } 323 if (persistent || removed) { 324 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 325 pw.print(" removed="); pw.println(removed); 326 } 327 if (hasClientActivities || foregroundActivities || repForegroundActivities) { 328 pw.print(prefix); pw.print("hasClientActivities="); pw.print(hasClientActivities); 329 pw.print(" foregroundActivities="); pw.print(foregroundActivities); 330 pw.print(" (rep="); pw.print(repForegroundActivities); pw.println(")"); 331 } 332 if (lastProviderTime > 0) { 333 pw.print(prefix); pw.print("lastProviderTime="); 334 TimeUtils.formatDuration(lastProviderTime, now, pw); 335 pw.println(); 336 } 337 if (hasStartedServices) { 338 pw.print(prefix); pw.print("hasStartedServices="); pw.println(hasStartedServices); 339 } 340 if (setProcState >= ActivityManager.PROCESS_STATE_SERVICE) { 341 long wtime; 342 synchronized (mBatteryStats) { 343 wtime = mBatteryStats.getProcessWakeTime(info.uid, 344 pid, SystemClock.elapsedRealtime()); 345 } 346 pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime); 347 pw.print(" timeUsed="); 348 TimeUtils.formatDuration(wtime-lastWakeTime, pw); pw.println(""); 349 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 350 pw.print(" timeUsed="); 351 TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println(""); 352 } 353 pw.print(prefix); pw.print("lastRequestedGc="); 354 TimeUtils.formatDuration(lastRequestedGc, now, pw); 355 pw.print(" lastLowMemory="); 356 TimeUtils.formatDuration(lastLowMemory, now, pw); 357 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 358 if (killed || killedByAm || waitingToKill != null) { 359 pw.print(prefix); pw.print("killed="); pw.print(killed); 360 pw.print(" killedByAm="); pw.print(killedByAm); 361 pw.print(" waitingToKill="); pw.println(waitingToKill); 362 } 363 if (debugging || crashing || crashDialog != null || notResponding 364 || anrDialog != null || bad) { 365 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 366 pw.print(" crashing="); pw.print(crashing); 367 pw.print(" "); pw.print(crashDialog); 368 pw.print(" notResponding="); pw.print(notResponding); 369 pw.print(" " ); pw.print(anrDialog); 370 pw.print(" bad="); pw.print(bad); 371 372 // crashing or notResponding is always set before errorReportReceiver 373 if (errorReportReceiver != null) { 374 pw.print(" errorReportReceiver="); 375 pw.print(errorReportReceiver.flattenToShortString()); 376 } 377 pw.println(); 378 } 379 if (activities.size() > 0) { 380 pw.print(prefix); pw.println("Activities:"); 381 for (int i=0; i<activities.size(); i++) { 382 pw.print(prefix); pw.print(" - "); pw.println(activities.get(i)); 383 } 384 } 385 if (services.size() > 0) { 386 pw.print(prefix); pw.println("Services:"); 387 for (int i=0; i<services.size(); i++) { 388 pw.print(prefix); pw.print(" - "); pw.println(services.valueAt(i)); 389 } 390 } 391 if (executingServices.size() > 0) { 392 pw.print(prefix); pw.print("Executing Services (fg="); 393 pw.print(execServicesFg); pw.println(")"); 394 for (int i=0; i<executingServices.size(); i++) { 395 pw.print(prefix); pw.print(" - "); pw.println(executingServices.valueAt(i)); 396 } 397 } 398 if (connections.size() > 0) { 399 pw.print(prefix); pw.println("Connections:"); 400 for (int i=0; i<connections.size(); i++) { 401 pw.print(prefix); pw.print(" - "); pw.println(connections.valueAt(i)); 402 } 403 } 404 if (pubProviders.size() > 0) { 405 pw.print(prefix); pw.println("Published Providers:"); 406 for (int i=0; i<pubProviders.size(); i++) { 407 pw.print(prefix); pw.print(" - "); pw.println(pubProviders.keyAt(i)); 408 pw.print(prefix); pw.print(" -> "); pw.println(pubProviders.valueAt(i)); 409 } 410 } 411 if (conProviders.size() > 0) { 412 pw.print(prefix); pw.println("Connected Providers:"); 413 for (int i=0; i<conProviders.size(); i++) { 414 pw.print(prefix); pw.print(" - "); pw.println(conProviders.get(i).toShortString()); 415 } 416 } 417 if (curReceiver != null) { 418 pw.print(prefix); pw.print("curReceiver="); pw.println(curReceiver); 419 } 420 if (receivers.size() > 0) { 421 pw.print(prefix); pw.println("Receivers:"); 422 for (int i=0; i<receivers.size(); i++) { 423 pw.print(prefix); pw.print(" - "); pw.println(receivers.valueAt(i)); 424 } 425 } 426 } 427 428 ProcessRecord(BatteryStatsImpl _batteryStats, ApplicationInfo _info, 429 String _processName, int _uid) { 430 mBatteryStats = _batteryStats; 431 info = _info; 432 isolated = _info.uid != _uid; 433 uid = _uid; 434 userId = UserHandle.getUserId(_uid); 435 processName = _processName; 436 pkgList.put(_info.packageName, new ProcessStats.ProcessStateHolder(_info.versionCode)); 437 maxAdj = ProcessList.UNKNOWN_ADJ; 438 curRawAdj = setRawAdj = ProcessList.INVALID_ADJ; 439 curAdj = setAdj = ProcessList.INVALID_ADJ; 440 persistent = false; 441 removed = false; 442 lastStateTime = lastPssTime = nextPssTime = SystemClock.uptimeMillis(); 443 } 444 445 public void setPid(int _pid) { 446 pid = _pid; 447 shortStringName = null; 448 stringName = null; 449 } 450 451 public void makeActive(IApplicationThread _thread, ProcessStatsService tracker) { 452 if (thread == null) { 453 final ProcessState origBase = baseProcessTracker; 454 if (origBase != null) { 455 origBase.setState(ProcessStats.STATE_NOTHING, 456 tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList); 457 origBase.makeInactive(); 458 } 459 baseProcessTracker = tracker.getProcessStateLocked(info.packageName, uid, 460 info.versionCode, processName); 461 baseProcessTracker.makeActive(); 462 for (int i=0; i<pkgList.size(); i++) { 463 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 464 if (holder.state != null && holder.state != origBase) { 465 holder.state.makeInactive(); 466 } 467 holder.state = tracker.getProcessStateLocked(pkgList.keyAt(i), uid, 468 info.versionCode, processName); 469 if (holder.state != baseProcessTracker) { 470 holder.state.makeActive(); 471 } 472 } 473 } 474 thread = _thread; 475 } 476 477 public void makeInactive(ProcessStatsService tracker) { 478 thread = null; 479 final ProcessState origBase = baseProcessTracker; 480 if (origBase != null) { 481 if (origBase != null) { 482 origBase.setState(ProcessStats.STATE_NOTHING, 483 tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList); 484 origBase.makeInactive(); 485 } 486 baseProcessTracker = null; 487 for (int i=0; i<pkgList.size(); i++) { 488 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 489 if (holder.state != null && holder.state != origBase) { 490 holder.state.makeInactive(); 491 } 492 holder.state = null; 493 } 494 } 495 } 496 497 /** 498 * This method returns true if any of the activities within the process record are interesting 499 * to the user. See HistoryRecord.isInterestingToUserLocked() 500 */ 501 public boolean isInterestingToUserLocked() { 502 final int size = activities.size(); 503 for (int i = 0 ; i < size ; i++) { 504 ActivityRecord r = activities.get(i); 505 if (r.isInterestingToUserLocked()) { 506 return true; 507 } 508 } 509 return false; 510 } 511 512 public void stopFreezingAllLocked() { 513 int i = activities.size(); 514 while (i > 0) { 515 i--; 516 activities.get(i).stopFreezingScreenLocked(true); 517 } 518 } 519 520 public void unlinkDeathRecipient() { 521 if (deathRecipient != null && thread != null) { 522 thread.asBinder().unlinkToDeath(deathRecipient, 0); 523 } 524 deathRecipient = null; 525 } 526 527 void updateHasAboveClientLocked() { 528 hasAboveClient = false; 529 for (int i=connections.size()-1; i>=0; i--) { 530 ConnectionRecord cr = connections.valueAt(i); 531 if ((cr.flags&Context.BIND_ABOVE_CLIENT) != 0) { 532 hasAboveClient = true; 533 break; 534 } 535 } 536 } 537 538 int modifyRawOomAdj(int adj) { 539 if (hasAboveClient) { 540 // If this process has bound to any services with BIND_ABOVE_CLIENT, 541 // then we need to drop its adjustment to be lower than the service's 542 // in order to honor the request. We want to drop it by one adjustment 543 // level... but there is special meaning applied to various levels so 544 // we will skip some of them. 545 if (adj < ProcessList.FOREGROUND_APP_ADJ) { 546 // System process will not get dropped, ever 547 } else if (adj < ProcessList.VISIBLE_APP_ADJ) { 548 adj = ProcessList.VISIBLE_APP_ADJ; 549 } else if (adj < ProcessList.PERCEPTIBLE_APP_ADJ) { 550 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 551 } else if (adj < ProcessList.CACHED_APP_MIN_ADJ) { 552 adj = ProcessList.CACHED_APP_MIN_ADJ; 553 } else if (adj < ProcessList.CACHED_APP_MAX_ADJ) { 554 adj++; 555 } 556 } 557 return adj; 558 } 559 560 void scheduleCrash(String message) { 561 // Checking killedbyAm should keep it from showing the crash dialog if the process 562 // was already dead for a good / normal reason. 563 if (!killedByAm) { 564 if (thread != null) { 565 if (pid == Process.myPid()) { 566 Slog.w(TAG, "scheduleCrash: trying to crash system process!"); 567 return; 568 } 569 long ident = Binder.clearCallingIdentity(); 570 try { 571 thread.scheduleCrash(message); 572 } catch (RemoteException e) { 573 // If it's already dead our work is done. If it's wedged just kill it. 574 // We won't get the crash dialog or the error reporting. 575 kill("scheduleCrash for '" + message + "' failed", true); 576 } finally { 577 Binder.restoreCallingIdentity(ident); 578 } 579 } 580 } 581 } 582 583 void kill(String reason, boolean noisy) { 584 if (!killedByAm) { 585 Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "kill"); 586 if (noisy) { 587 Slog.i(TAG, "Killing " + toShortString() + " (adj " + setAdj + "): " + reason); 588 } 589 EventLog.writeEvent(EventLogTags.AM_KILL, userId, pid, processName, setAdj, reason); 590 Process.killProcessQuiet(pid); 591 ActivityManagerService.killProcessGroup(uid, pid); 592 if (!persistent) { 593 killed = true; 594 killedByAm = true; 595 } 596 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 597 } 598 } 599 600 public String toShortString() { 601 if (shortStringName != null) { 602 return shortStringName; 603 } 604 StringBuilder sb = new StringBuilder(128); 605 toShortString(sb); 606 return shortStringName = sb.toString(); 607 } 608 609 void toShortString(StringBuilder sb) { 610 sb.append(pid); 611 sb.append(':'); 612 sb.append(processName); 613 sb.append('/'); 614 if (info.uid < Process.FIRST_APPLICATION_UID) { 615 sb.append(uid); 616 } else { 617 sb.append('u'); 618 sb.append(userId); 619 int appId = UserHandle.getAppId(info.uid); 620 if (appId >= Process.FIRST_APPLICATION_UID) { 621 sb.append('a'); 622 sb.append(appId - Process.FIRST_APPLICATION_UID); 623 } else { 624 sb.append('s'); 625 sb.append(appId); 626 } 627 if (uid != info.uid) { 628 sb.append('i'); 629 sb.append(UserHandle.getAppId(uid) - Process.FIRST_ISOLATED_UID); 630 } 631 } 632 } 633 634 public String toString() { 635 if (stringName != null) { 636 return stringName; 637 } 638 StringBuilder sb = new StringBuilder(128); 639 sb.append("ProcessRecord{"); 640 sb.append(Integer.toHexString(System.identityHashCode(this))); 641 sb.append(' '); 642 toShortString(sb); 643 sb.append('}'); 644 return stringName = sb.toString(); 645 } 646 647 public String makeAdjReason() { 648 if (adjSource != null || adjTarget != null) { 649 StringBuilder sb = new StringBuilder(128); 650 sb.append(' '); 651 if (adjTarget instanceof ComponentName) { 652 sb.append(((ComponentName)adjTarget).flattenToShortString()); 653 } else if (adjTarget != null) { 654 sb.append(adjTarget.toString()); 655 } else { 656 sb.append("{null}"); 657 } 658 sb.append("<="); 659 if (adjSource instanceof ProcessRecord) { 660 sb.append("Proc{"); 661 sb.append(((ProcessRecord)adjSource).toShortString()); 662 sb.append("}"); 663 } else if (adjSource != null) { 664 sb.append(adjSource.toString()); 665 } else { 666 sb.append("{null}"); 667 } 668 return sb.toString(); 669 } 670 return null; 671 } 672 673 /* 674 * Return true if package has been added false if not 675 */ 676 public boolean addPackage(String pkg, int versionCode, ProcessStatsService tracker) { 677 if (!pkgList.containsKey(pkg)) { 678 ProcessStats.ProcessStateHolder holder = new ProcessStats.ProcessStateHolder( 679 versionCode); 680 if (baseProcessTracker != null) { 681 holder.state = tracker.getProcessStateLocked( 682 pkg, uid, versionCode, processName); 683 pkgList.put(pkg, holder); 684 if (holder.state != baseProcessTracker) { 685 holder.state.makeActive(); 686 } 687 } else { 688 pkgList.put(pkg, holder); 689 } 690 return true; 691 } 692 return false; 693 } 694 695 public int getSetAdjWithServices() { 696 if (setAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 697 if (hasStartedServices) { 698 return ProcessList.SERVICE_B_ADJ; 699 } 700 } 701 return setAdj; 702 } 703 704 public void forceProcessStateUpTo(int newState) { 705 if (repProcState > newState) { 706 curProcState = repProcState = newState; 707 } 708 } 709 710 /* 711 * Delete all packages from list except the package indicated in info 712 */ 713 public void resetPackageList(ProcessStatsService tracker) { 714 final int N = pkgList.size(); 715 if (baseProcessTracker != null) { 716 long now = SystemClock.uptimeMillis(); 717 baseProcessTracker.setState(ProcessStats.STATE_NOTHING, 718 tracker.getMemFactorLocked(), now, pkgList); 719 if (N != 1) { 720 for (int i=0; i<N; i++) { 721 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 722 if (holder.state != null && holder.state != baseProcessTracker) { 723 holder.state.makeInactive(); 724 } 725 726 } 727 pkgList.clear(); 728 ProcessState ps = tracker.getProcessStateLocked( 729 info.packageName, uid, info.versionCode, processName); 730 ProcessStats.ProcessStateHolder holder = new ProcessStats.ProcessStateHolder( 731 info.versionCode); 732 holder.state = ps; 733 pkgList.put(info.packageName, holder); 734 if (ps != baseProcessTracker) { 735 ps.makeActive(); 736 } 737 } 738 } else if (N != 1) { 739 pkgList.clear(); 740 pkgList.put(info.packageName, new ProcessStats.ProcessStateHolder(info.versionCode)); 741 } 742 } 743 744 public String[] getPackageList() { 745 int size = pkgList.size(); 746 if (size == 0) { 747 return null; 748 } 749 String list[] = new String[size]; 750 for (int i=0; i<pkgList.size(); i++) { 751 list[i] = pkgList.keyAt(i); 752 } 753 return list; 754 } 755} 756