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 static android.app.ActivityManager.PROCESS_STATE_NONEXISTENT; 20 import static com.android.server.am.ActivityManagerDebugConfig.TAG_AM; 21 import static com.android.server.am.ActivityManagerDebugConfig.TAG_WITH_CLASS_NAME; 22 23 import android.util.ArraySet; 24 import android.util.DebugUtils; 25 import android.util.EventLog; 26 import android.util.Slog; 27 import com.android.internal.app.procstats.ProcessStats; 28 import com.android.internal.app.procstats.ProcessState; 29 import com.android.internal.os.BatteryStatsImpl; 30 31 import android.app.ActivityManager; 32 import android.app.Dialog; 33 import android.app.IApplicationThread; 34 import android.app.IInstrumentationWatcher; 35 import android.app.IUiAutomationConnection; 36 import android.content.ComponentName; 37 import android.content.Context; 38 import android.content.pm.ApplicationInfo; 39 import android.content.res.CompatibilityInfo; 40 import android.os.Binder; 41 import android.os.Bundle; 42 import android.os.IBinder; 43 import android.os.Process; 44 import android.os.RemoteException; 45 import android.os.SystemClock; 46 import android.os.Trace; 47 import android.os.UserHandle; 48 import android.util.ArrayMap; 49 import android.util.PrintWriterPrinter; 50 import android.util.TimeUtils; 51 52 import java.io.PrintWriter; 53 import java.util.ArrayList; 54 55 /** 56 * Full information about a particular process that 57 * is currently running. 58 */ 59 final 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 String procStatFile; // path to /proc/<pid>/stat 79 int[] gids; // The gids this process was launched with 80 String requiredAbi; // The ABI this process was launched with 81 String instructionSet; // The instruction set this process was launched with 82 boolean starting; // True if the process is being started 83 long lastActivityTime; // For managing the LRU list 84 long lastPssTime; // Last time we retrieved PSS data 85 long nextPssTime; // Next time we want to request PSS data 86 long lastStateTime; // Last time setProcState changed 87 long initialIdlePss; // Initial memory pss of process for idle maintenance. 88 long lastPss; // Last computed memory pss. 89 long lastSwapPss; // Last computed SwapPss. 90 long lastCachedPss; // Last computed pss when in cached state. 91 long lastCachedSwapPss; // Last computed SwapPss when in cached state. 92 int maxAdj; // Maximum OOM adjustment for this process 93 int curRawAdj; // Current OOM unlimited adjustment for this process 94 int setRawAdj; // Last set OOM unlimited adjustment for this process 95 int curAdj; // Current OOM adjustment for this process 96 int setAdj; // Last set OOM adjustment for this process 97 int verifiedAdj; // The last adjustment that was verified as actually being set 98 int curSchedGroup; // Currently desired scheduling class 99 int setSchedGroup; // Last set to background scheduling class 100 int trimMemoryLevel; // Last selected memory trimming level 101 int curProcState = PROCESS_STATE_NONEXISTENT; // Currently computed process state 102 int repProcState = PROCESS_STATE_NONEXISTENT; // Last reported process state 103 int setProcState = PROCESS_STATE_NONEXISTENT; // Last set process state in process tracker 104 int pssProcState = PROCESS_STATE_NONEXISTENT; // Currently requesting pss for 105 boolean serviceb; // Process currently is on the service B list 106 boolean serviceHighRam; // We are forcing to service B list due to its RAM use 107 boolean setIsForeground; // Running foreground UI when last set? 108 boolean notCachedSinceIdle; // Has this process not been in a cached state since last idle? 109 boolean hasClientActivities; // Are there any client services with activities? 110 boolean hasStartedServices; // Are there any started services running in this process? 111 boolean foregroundServices; // Running any services that are foreground? 112 boolean foregroundActivities; // Running any activities that are foreground? 113 boolean repForegroundActivities; // Last reported foreground activities. 114 boolean systemNoUi; // This is a system process, but not currently showing UI. 115 boolean hasShownUi; // Has UI been shown in this process since it was started? 116 boolean pendingUiClean; // Want to clean up resources from showing UI? 117 boolean hasAboveClient; // Bound using BIND_ABOVE_CLIENT, so want to be lower 118 boolean treatLikeActivity; // Bound using BIND_TREAT_LIKE_ACTIVITY 119 boolean bad; // True if disabled in the bad process list 120 boolean killedByAm; // True when proc has been killed by activity manager, not for RAM 121 boolean killed; // True once we know the process has been killed 122 boolean procStateChanged; // Keep track of whether we changed 'setAdj'. 123 boolean reportedInteraction;// Whether we have told usage stats about it being an interaction 124 boolean unlocked; // True when proc was started in user unlocked state 125 long interactionEventTime; // The time we sent the last interaction event 126 long fgInteractionTime; // When we became foreground for interaction purposes 127 String waitingToKill; // Process is waiting to be killed when in the bg, and reason 128 IBinder forcingToForeground;// Token that is forcing this process to be foreground 129 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 130 int lruSeq; // Sequence id for identifying LRU update cycles 131 CompatibilityInfo compat; // last used compatibility mode 132 IBinder.DeathRecipient deathRecipient; // Who is watching for the death. 133 ComponentName instrumentationClass;// class installed to instrument app 134 ApplicationInfo instrumentationInfo; // the application being instrumented 135 String instrumentationProfileFile; // where to save profiling 136 IInstrumentationWatcher instrumentationWatcher; // who is waiting 137 IUiAutomationConnection instrumentationUiAutomationConnection; // Connection to use the UI introspection APIs. 138 Bundle instrumentationArguments;// as given to us 139 ComponentName instrumentationResultClass;// copy of instrumentationClass 140 boolean usingWrapper; // Set to true when process was launched with a wrapper attached 141 BroadcastRecord curReceiver;// receiver currently running in the app 142 long lastWakeTime; // How long proc held wake lock at last check 143 long lastCpuTime; // How long proc has run CPU at last check 144 long curCpuTime; // How long proc has run CPU most recently 145 long lastRequestedGc; // When we last asked the app to do a gc 146 long lastLowMemory; // When we last told the app that memory is low 147 long lastProviderTime; // The last time someone else was using a provider in this process. 148 boolean reportLowMemory; // Set to true when waiting to report low mem 149 boolean empty; // Is this an empty background process? 150 boolean cached; // Is this a cached process? 151 String adjType; // Debugging: primary thing impacting oom_adj. 152 int adjTypeCode; // Debugging: adj code to report to app. 153 Object adjSource; // Debugging: option dependent object. 154 int adjSourceProcState; // Debugging: proc state of adjSource's process. 155 Object adjTarget; // Debugging: target component impacting oom_adj. 156 Runnable crashHandler; // Optional local handler to be invoked in the process crash. 157 158 // all activities running in the process 159 final ArrayList<ActivityRecord> activities = new ArrayList<>(); 160 // all ServiceRecord running in this process 161 final ArraySet<ServiceRecord> services = new ArraySet<>(); 162 // services that are currently executing code (need to remain foreground). 163 final ArraySet<ServiceRecord> executingServices = new ArraySet<>(); 164 // All ConnectionRecord this process holds 165 final ArraySet<ConnectionRecord> connections = new ArraySet<>(); 166 // all IIntentReceivers that are registered from this process. 167 final ArraySet<ReceiverList> receivers = new ArraySet<>(); 168 // class (String) -> ContentProviderRecord 169 final ArrayMap<String, ContentProviderRecord> pubProviders = new ArrayMap<>(); 170 // All ContentProviderRecord process is using 171 final ArrayList<ContentProviderConnection> conProviders = new ArrayList<>(); 172 173 boolean execServicesFg; // do we need to be executing services in the foreground? 174 boolean persistent; // always keep this application running? 175 boolean crashing; // are we in the process of crashing? 176 Dialog crashDialog; // dialog being displayed due to crash. 177 boolean forceCrashReport; // suppress normal auto-dismiss of crash dialog & report UI? 178 boolean notResponding; // does the app have a not responding dialog? 179 Dialog anrDialog; // dialog being displayed due to app not resp. 180 boolean removed; // has app package been removed from device? 181 boolean debugging; // was app launched for debugging? 182 boolean waitedForDebugger; // has process show wait for debugger dialog? 183 Dialog waitDialog; // current wait for debugger dialog 184 185 String shortStringName; // caching of toShortString() result. 186 String stringName; // caching of toString() result. 187 188 // These reports are generated & stored when an app gets into an error condition. 189 // They will be "null" when all is OK. 190 ActivityManager.ProcessErrorStateInfo crashingReport; 191 ActivityManager.ProcessErrorStateInfo notRespondingReport; 192 193 // Who will be notified of the error. This is usually an activity in the 194 // app that installed the package. 195 ComponentName errorReportReceiver; 196 197 // Process is currently hosting a backup agent for backup or restore 198 public boolean inFullBackup; 199 // App is allowed to manage whitelists such as temporary Power Save mode whitelist. 200 boolean whitelistManager; 201 202 void dump(PrintWriter pw, String prefix) { 203 final long now = SystemClock.uptimeMillis(); 204 205 pw.print(prefix); pw.print("user #"); pw.print(userId); 206 pw.print(" uid="); pw.print(info.uid); 207 if (uid != info.uid) { 208 pw.print(" ISOLATED uid="); pw.print(uid); 209 } 210 pw.print(" gids={"); 211 if (gids != null) { 212 for (int gi=0; gi<gids.length; gi++) { 213 if (gi != 0) pw.print(", "); 214 pw.print(gids[gi]); 215 216 } 217 } 218 pw.println("}"); 219 pw.print(prefix); pw.print("requiredAbi="); pw.print(requiredAbi); 220 pw.print(" instructionSet="); pw.println(instructionSet); 221 if (info.className != null) { 222 pw.print(prefix); pw.print("class="); pw.println(info.className); 223 } 224 if (info.manageSpaceActivityName != null) { 225 pw.print(prefix); pw.print("manageSpaceActivityName="); 226 pw.println(info.manageSpaceActivityName); 227 } 228 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 229 pw.print(" publicDir="); pw.print(info.publicSourceDir); 230 pw.print(" data="); pw.println(info.dataDir); 231 pw.print(prefix); pw.print("packageList={"); 232 for (int i=0; i<pkgList.size(); i++) { 233 if (i > 0) pw.print(", "); 234 pw.print(pkgList.keyAt(i)); 235 } 236 pw.println("}"); 237 if (pkgDeps != null) { 238 pw.print(prefix); pw.print("packageDependencies={"); 239 for (int i=0; i<pkgDeps.size(); i++) { 240 if (i > 0) pw.print(", "); 241 pw.print(pkgDeps.valueAt(i)); 242 } 243 pw.println("}"); 244 } 245 pw.print(prefix); pw.print("compat="); pw.println(compat); 246 if (instrumentationClass != null || instrumentationProfileFile != null 247 || instrumentationArguments != null) { 248 pw.print(prefix); pw.print("instrumentationClass="); 249 pw.print(instrumentationClass); 250 pw.print(" instrumentationProfileFile="); 251 pw.println(instrumentationProfileFile); 252 pw.print(prefix); pw.print("instrumentationArguments="); 253 pw.println(instrumentationArguments); 254 pw.print(prefix); pw.print("instrumentationInfo="); 255 pw.println(instrumentationInfo); 256 if (instrumentationInfo != null) { 257 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 258 } 259 } 260 pw.print(prefix); pw.print("thread="); pw.println(thread); 261 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 262 pw.println(starting); 263 pw.print(prefix); pw.print("lastActivityTime="); 264 TimeUtils.formatDuration(lastActivityTime, now, pw); 265 pw.print(" lastPssTime="); 266 TimeUtils.formatDuration(lastPssTime, now, pw); 267 pw.print(" nextPssTime="); 268 TimeUtils.formatDuration(nextPssTime, now, pw); 269 pw.println(); 270 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 271 pw.print(" lruSeq="); pw.print(lruSeq); 272 pw.print(" lastPss="); DebugUtils.printSizeValue(pw, lastPss*1024); 273 pw.print(" lastSwapPss="); DebugUtils.printSizeValue(pw, lastSwapPss*1024); 274 pw.print(" lastCachedPss="); DebugUtils.printSizeValue(pw, lastCachedPss*1024); 275 pw.print(" lastCachedSwapPss="); DebugUtils.printSizeValue(pw, lastCachedSwapPss*1024); 276 pw.println(); 277 pw.print(prefix); pw.print("cached="); pw.print(cached); 278 pw.print(" empty="); pw.println(empty); 279 if (serviceb) { 280 pw.print(prefix); pw.print("serviceb="); pw.print(serviceb); 281 pw.print(" serviceHighRam="); pw.println(serviceHighRam); 282 } 283 if (notCachedSinceIdle) { 284 pw.print(prefix); pw.print("notCachedSinceIdle="); pw.print(notCachedSinceIdle); 285 pw.print(" initialIdlePss="); pw.println(initialIdlePss); 286 } 287 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 288 pw.print(" curRaw="); pw.print(curRawAdj); 289 pw.print(" setRaw="); pw.print(setRawAdj); 290 pw.print(" cur="); pw.print(curAdj); 291 pw.print(" set="); pw.println(setAdj); 292 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 293 pw.print(" setSchedGroup="); pw.print(setSchedGroup); 294 pw.print(" systemNoUi="); pw.print(systemNoUi); 295 pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel); 296 pw.print(prefix); pw.print("curProcState="); pw.print(curProcState); 297 pw.print(" repProcState="); pw.print(repProcState); 298 pw.print(" pssProcState="); pw.print(pssProcState); 299 pw.print(" setProcState="); pw.print(setProcState); 300 pw.print(" lastStateTime="); 301 TimeUtils.formatDuration(lastStateTime, now, pw); 302 pw.println(); 303 if (hasShownUi || pendingUiClean || hasAboveClient || treatLikeActivity) { 304 pw.print(prefix); pw.print("hasShownUi="); pw.print(hasShownUi); 305 pw.print(" pendingUiClean="); pw.print(pendingUiClean); 306 pw.print(" hasAboveClient="); pw.print(hasAboveClient); 307 pw.print(" treatLikeActivity="); pw.println(treatLikeActivity); 308 } 309 if (setIsForeground || foregroundServices || forcingToForeground != null) { 310 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 311 pw.print(" foregroundServices="); pw.print(foregroundServices); 312 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 313 } 314 if (reportedInteraction || fgInteractionTime != 0) { 315 pw.print(prefix); pw.print("reportedInteraction="); 316 pw.print(reportedInteraction); 317 if (interactionEventTime != 0) { 318 pw.print(" time="); 319 TimeUtils.formatDuration(interactionEventTime, SystemClock.elapsedRealtime(), pw); 320 } 321 if (fgInteractionTime != 0) { 322 pw.print(" fgInteractionTime="); 323 TimeUtils.formatDuration(fgInteractionTime, SystemClock.elapsedRealtime(), pw); 324 } 325 pw.println(); 326 } 327 if (persistent || removed) { 328 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 329 pw.print(" removed="); pw.println(removed); 330 } 331 if (hasClientActivities || foregroundActivities || repForegroundActivities) { 332 pw.print(prefix); pw.print("hasClientActivities="); pw.print(hasClientActivities); 333 pw.print(" foregroundActivities="); pw.print(foregroundActivities); 334 pw.print(" (rep="); pw.print(repForegroundActivities); pw.println(")"); 335 } 336 if (lastProviderTime > 0) { 337 pw.print(prefix); pw.print("lastProviderTime="); 338 TimeUtils.formatDuration(lastProviderTime, now, pw); 339 pw.println(); 340 } 341 if (hasStartedServices) { 342 pw.print(prefix); pw.print("hasStartedServices="); pw.println(hasStartedServices); 343 } 344 if (setProcState >= ActivityManager.PROCESS_STATE_SERVICE) { 345 long wtime; 346 synchronized (mBatteryStats) { 347 wtime = mBatteryStats.getProcessWakeTime(info.uid, 348 pid, SystemClock.elapsedRealtime()); 349 } 350 pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime); 351 pw.print(" timeUsed="); 352 TimeUtils.formatDuration(wtime-lastWakeTime, pw); pw.println(""); 353 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 354 pw.print(" timeUsed="); 355 TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println(""); 356 } 357 pw.print(prefix); pw.print("lastRequestedGc="); 358 TimeUtils.formatDuration(lastRequestedGc, now, pw); 359 pw.print(" lastLowMemory="); 360 TimeUtils.formatDuration(lastLowMemory, now, pw); 361 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 362 if (killed || killedByAm || waitingToKill != null) { 363 pw.print(prefix); pw.print("killed="); pw.print(killed); 364 pw.print(" killedByAm="); pw.print(killedByAm); 365 pw.print(" waitingToKill="); pw.println(waitingToKill); 366 } 367 if (debugging || crashing || crashDialog != null || notResponding 368 || anrDialog != null || bad) { 369 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 370 pw.print(" crashing="); pw.print(crashing); 371 pw.print(" "); pw.print(crashDialog); 372 pw.print(" notResponding="); pw.print(notResponding); 373 pw.print(" " ); pw.print(anrDialog); 374 pw.print(" bad="); pw.print(bad); 375 376 // crashing or notResponding is always set before errorReportReceiver 377 if (errorReportReceiver != null) { 378 pw.print(" errorReportReceiver="); 379 pw.print(errorReportReceiver.flattenToShortString()); 380 } 381 pw.println(); 382 } 383 if (whitelistManager) { 384 pw.print(prefix); pw.print("whitelistManager="); pw.println(whitelistManager); 385 } 386 if (activities.size() > 0) { 387 pw.print(prefix); pw.println("Activities:"); 388 for (int i=0; i<activities.size(); i++) { 389 pw.print(prefix); pw.print(" - "); pw.println(activities.get(i)); 390 } 391 } 392 if (services.size() > 0) { 393 pw.print(prefix); pw.println("Services:"); 394 for (int i=0; i<services.size(); i++) { 395 pw.print(prefix); pw.print(" - "); pw.println(services.valueAt(i)); 396 } 397 } 398 if (executingServices.size() > 0) { 399 pw.print(prefix); pw.print("Executing Services (fg="); 400 pw.print(execServicesFg); pw.println(")"); 401 for (int i=0; i<executingServices.size(); i++) { 402 pw.print(prefix); pw.print(" - "); pw.println(executingServices.valueAt(i)); 403 } 404 } 405 if (connections.size() > 0) { 406 pw.print(prefix); pw.println("Connections:"); 407 for (int i=0; i<connections.size(); i++) { 408 pw.print(prefix); pw.print(" - "); pw.println(connections.valueAt(i)); 409 } 410 } 411 if (pubProviders.size() > 0) { 412 pw.print(prefix); pw.println("Published Providers:"); 413 for (int i=0; i<pubProviders.size(); i++) { 414 pw.print(prefix); pw.print(" - "); pw.println(pubProviders.keyAt(i)); 415 pw.print(prefix); pw.print(" -> "); pw.println(pubProviders.valueAt(i)); 416 } 417 } 418 if (conProviders.size() > 0) { 419 pw.print(prefix); pw.println("Connected Providers:"); 420 for (int i=0; i<conProviders.size(); i++) { 421 pw.print(prefix); pw.print(" - "); pw.println(conProviders.get(i).toShortString()); 422 } 423 } 424 if (curReceiver != null) { 425 pw.print(prefix); pw.print("curReceiver="); pw.println(curReceiver); 426 } 427 if (receivers.size() > 0) { 428 pw.print(prefix); pw.println("Receivers:"); 429 for (int i=0; i<receivers.size(); i++) { 430 pw.print(prefix); pw.print(" - "); pw.println(receivers.valueAt(i)); 431 } 432 } 433 } 434 435 ProcessRecord(BatteryStatsImpl _batteryStats, ApplicationInfo _info, 436 String _processName, int _uid) { 437 mBatteryStats = _batteryStats; 438 info = _info; 439 isolated = _info.uid != _uid; 440 uid = _uid; 441 userId = UserHandle.getUserId(_uid); 442 processName = _processName; 443 pkgList.put(_info.packageName, new ProcessStats.ProcessStateHolder(_info.versionCode)); 444 maxAdj = ProcessList.UNKNOWN_ADJ; 445 curRawAdj = setRawAdj = ProcessList.INVALID_ADJ; 446 curAdj = setAdj = verifiedAdj = ProcessList.INVALID_ADJ; 447 persistent = false; 448 removed = false; 449 lastStateTime = lastPssTime = nextPssTime = SystemClock.uptimeMillis(); 450 } 451 452 public void setPid(int _pid) { 453 pid = _pid; 454 procStatFile = null; 455 shortStringName = null; 456 stringName = null; 457 } 458 459 public void makeActive(IApplicationThread _thread, ProcessStatsService tracker) { 460 if (thread == null) { 461 final ProcessState origBase = baseProcessTracker; 462 if (origBase != null) { 463 origBase.setState(ProcessStats.STATE_NOTHING, 464 tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList); 465 origBase.makeInactive(); 466 } 467 baseProcessTracker = tracker.getProcessStateLocked(info.packageName, uid, 468 info.versionCode, processName); 469 baseProcessTracker.makeActive(); 470 for (int i=0; i<pkgList.size(); i++) { 471 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 472 if (holder.state != null && holder.state != origBase) { 473 holder.state.makeInactive(); 474 } 475 holder.state = tracker.getProcessStateLocked(pkgList.keyAt(i), uid, 476 info.versionCode, processName); 477 if (holder.state != baseProcessTracker) { 478 holder.state.makeActive(); 479 } 480 } 481 } 482 thread = _thread; 483 } 484 485 public void makeInactive(ProcessStatsService tracker) { 486 thread = null; 487 final ProcessState origBase = baseProcessTracker; 488 if (origBase != null) { 489 if (origBase != null) { 490 origBase.setState(ProcessStats.STATE_NOTHING, 491 tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList); 492 origBase.makeInactive(); 493 } 494 baseProcessTracker = null; 495 for (int i=0; i<pkgList.size(); i++) { 496 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 497 if (holder.state != null && holder.state != origBase) { 498 holder.state.makeInactive(); 499 } 500 holder.state = null; 501 } 502 } 503 } 504 505 /** 506 * This method returns true if any of the activities within the process record are interesting 507 * to the user. See HistoryRecord.isInterestingToUserLocked() 508 */ 509 public boolean isInterestingToUserLocked() { 510 final int size = activities.size(); 511 for (int i = 0 ; i < size ; i++) { 512 ActivityRecord r = activities.get(i); 513 if (r.isInterestingToUserLocked()) { 514 return true; 515 } 516 } 517 return false; 518 } 519 520 public void stopFreezingAllLocked() { 521 int i = activities.size(); 522 while (i > 0) { 523 i--; 524 activities.get(i).stopFreezingScreenLocked(true); 525 } 526 } 527 528 public void unlinkDeathRecipient() { 529 if (deathRecipient != null && thread != null) { 530 thread.asBinder().unlinkToDeath(deathRecipient, 0); 531 } 532 deathRecipient = null; 533 } 534 535 void updateHasAboveClientLocked() { 536 hasAboveClient = false; 537 for (int i=connections.size()-1; i>=0; i--) { 538 ConnectionRecord cr = connections.valueAt(i); 539 if ((cr.flags&Context.BIND_ABOVE_CLIENT) != 0) { 540 hasAboveClient = true; 541 break; 542 } 543 } 544 } 545 546 int modifyRawOomAdj(int adj) { 547 if (hasAboveClient) { 548 // If this process has bound to any services with BIND_ABOVE_CLIENT, 549 // then we need to drop its adjustment to be lower than the service's 550 // in order to honor the request. We want to drop it by one adjustment 551 // level... but there is special meaning applied to various levels so 552 // we will skip some of them. 553 if (adj < ProcessList.FOREGROUND_APP_ADJ) { 554 // System process will not get dropped, ever 555 } else if (adj < ProcessList.VISIBLE_APP_ADJ) { 556 adj = ProcessList.VISIBLE_APP_ADJ; 557 } else if (adj < ProcessList.PERCEPTIBLE_APP_ADJ) { 558 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 559 } else if (adj < ProcessList.CACHED_APP_MIN_ADJ) { 560 adj = ProcessList.CACHED_APP_MIN_ADJ; 561 } else if (adj < ProcessList.CACHED_APP_MAX_ADJ) { 562 adj++; 563 } 564 } 565 return adj; 566 } 567 568 void scheduleCrash(String message) { 569 // Checking killedbyAm should keep it from showing the crash dialog if the process 570 // was already dead for a good / normal reason. 571 if (!killedByAm) { 572 if (thread != null) { 573 if (pid == Process.myPid()) { 574 Slog.w(TAG, "scheduleCrash: trying to crash system process!"); 575 return; 576 } 577 long ident = Binder.clearCallingIdentity(); 578 try { 579 thread.scheduleCrash(message); 580 } catch (RemoteException e) { 581 // If it's already dead our work is done. If it's wedged just kill it. 582 // We won't get the crash dialog or the error reporting. 583 kill("scheduleCrash for '" + message + "' failed", true); 584 } finally { 585 Binder.restoreCallingIdentity(ident); 586 } 587 } 588 } 589 } 590 591 void kill(String reason, boolean noisy) { 592 if (!killedByAm) { 593 Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "kill"); 594 if (noisy) { 595 Slog.i(TAG, "Killing " + toShortString() + " (adj " + setAdj + "): " + reason); 596 } 597 EventLog.writeEvent(EventLogTags.AM_KILL, userId, pid, processName, setAdj, reason); 598 Process.killProcessQuiet(pid); 599 ActivityManagerService.killProcessGroup(uid, pid); 600 if (!persistent) { 601 killed = true; 602 killedByAm = true; 603 } 604 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 605 } 606 } 607 608 public String toShortString() { 609 if (shortStringName != null) { 610 return shortStringName; 611 } 612 StringBuilder sb = new StringBuilder(128); 613 toShortString(sb); 614 return shortStringName = sb.toString(); 615 } 616 617 void toShortString(StringBuilder sb) { 618 sb.append(pid); 619 sb.append(':'); 620 sb.append(processName); 621 sb.append('/'); 622 if (info.uid < Process.FIRST_APPLICATION_UID) { 623 sb.append(uid); 624 } else { 625 sb.append('u'); 626 sb.append(userId); 627 int appId = UserHandle.getAppId(info.uid); 628 if (appId >= Process.FIRST_APPLICATION_UID) { 629 sb.append('a'); 630 sb.append(appId - Process.FIRST_APPLICATION_UID); 631 } else { 632 sb.append('s'); 633 sb.append(appId); 634 } 635 if (uid != info.uid) { 636 sb.append('i'); 637 sb.append(UserHandle.getAppId(uid) - Process.FIRST_ISOLATED_UID); 638 } 639 } 640 } 641 642 public String toString() { 643 if (stringName != null) { 644 return stringName; 645 } 646 StringBuilder sb = new StringBuilder(128); 647 sb.append("ProcessRecord{"); 648 sb.append(Integer.toHexString(System.identityHashCode(this))); 649 sb.append(' '); 650 toShortString(sb); 651 sb.append('}'); 652 return stringName = sb.toString(); 653 } 654 655 public String makeAdjReason() { 656 if (adjSource != null || adjTarget != null) { 657 StringBuilder sb = new StringBuilder(128); 658 sb.append(' '); 659 if (adjTarget instanceof ComponentName) { 660 sb.append(((ComponentName)adjTarget).flattenToShortString()); 661 } else if (adjTarget != null) { 662 sb.append(adjTarget.toString()); 663 } else { 664 sb.append("{null}"); 665 } 666 sb.append("<="); 667 if (adjSource instanceof ProcessRecord) { 668 sb.append("Proc{"); 669 sb.append(((ProcessRecord)adjSource).toShortString()); 670 sb.append("}"); 671 } else if (adjSource != null) { 672 sb.append(adjSource.toString()); 673 } else { 674 sb.append("{null}"); 675 } 676 return sb.toString(); 677 } 678 return null; 679 } 680 681 /* 682 * Return true if package has been added false if not 683 */ 684 public boolean addPackage(String pkg, int versionCode, ProcessStatsService tracker) { 685 if (!pkgList.containsKey(pkg)) { 686 ProcessStats.ProcessStateHolder holder = new ProcessStats.ProcessStateHolder( 687 versionCode); 688 if (baseProcessTracker != null) { 689 holder.state = tracker.getProcessStateLocked( 690 pkg, uid, versionCode, processName); 691 pkgList.put(pkg, holder); 692 if (holder.state != baseProcessTracker) { 693 holder.state.makeActive(); 694 } 695 } else { 696 pkgList.put(pkg, holder); 697 } 698 return true; 699 } 700 return false; 701 } 702 703 public int getSetAdjWithServices() { 704 if (setAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 705 if (hasStartedServices) { 706 return ProcessList.SERVICE_B_ADJ; 707 } 708 } 709 return setAdj; 710 } 711 712 public void forceProcessStateUpTo(int newState) { 713 if (repProcState > newState) { 714 curProcState = repProcState = newState; 715 } 716 } 717 718 /* 719 * Delete all packages from list except the package indicated in info 720 */ 721 public void resetPackageList(ProcessStatsService tracker) { 722 final int N = pkgList.size(); 723 if (baseProcessTracker != null) { 724 long now = SystemClock.uptimeMillis(); 725 baseProcessTracker.setState(ProcessStats.STATE_NOTHING, 726 tracker.getMemFactorLocked(), now, pkgList); 727 if (N != 1) { 728 for (int i=0; i<N; i++) { 729 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 730 if (holder.state != null && holder.state != baseProcessTracker) { 731 holder.state.makeInactive(); 732 } 733 734 } 735 pkgList.clear(); 736 ProcessState ps = tracker.getProcessStateLocked( 737 info.packageName, uid, info.versionCode, processName); 738 ProcessStats.ProcessStateHolder holder = new ProcessStats.ProcessStateHolder( 739 info.versionCode); 740 holder.state = ps; 741 pkgList.put(info.packageName, holder); 742 if (ps != baseProcessTracker) { 743 ps.makeActive(); 744 } 745 } 746 } else if (N != 1) { 747 pkgList.clear(); 748 pkgList.put(info.packageName, new ProcessStats.ProcessStateHolder(info.versionCode)); 749 } 750 } 751 752 public String[] getPackageList() { 753 int size = pkgList.size(); 754 if (size == 0) { 755 return null; 756 } 757 String list[] = new String[size]; 758 for (int i=0; i<pkgList.size(); i++) { 759 list[i] = pkgList.keyAt(i); 760 } 761 return list; 762 } 763 } 764
