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