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.content.ComponentName; 35 import android.content.Context; 36 import android.content.pm.ApplicationInfo; 37 import android.content.res.CompatibilityInfo; 38 import android.os.Binder; 39 import android.os.IBinder; 40 import android.os.Process; 41 import android.os.RemoteException; 42 import android.os.SystemClock; 43 import android.os.Trace; 44 import android.os.UserHandle; 45 import android.util.ArrayMap; 46 import android.util.TimeUtils; 47 48 import java.io.PrintWriter; 49 import java.util.ArrayList; 50 51 /** 52 * Full information about a particular process that 53 * is currently running. 54 */ 55 final class ProcessRecord { 56 private static final String TAG = TAG_WITH_CLASS_NAME ? "ProcessRecord" : TAG_AM; 57 58 private final BatteryStatsImpl mBatteryStats; // where to collect runtime statistics 59 final ApplicationInfo info; // all about the first app in the process 60 final boolean isolated; // true if this is a special isolated process 61 final int uid; // uid of process; may be different from 'info' if isolated 62 final int userId; // user of process. 63 final String processName; // name of the process 64 // List of packages running in the process 65 final ArrayMap<String, ProcessStats.ProcessStateHolder> pkgList = new ArrayMap<>(); 66 UidRecord uidRecord; // overall state of process's uid. 67 ArraySet<String> pkgDeps; // additional packages we have a dependency on 68 IApplicationThread thread; // the actual proc... may be null only if 69 // 'persistent' is true (in which case we 70 // are in the process of launching the app) 71 ProcessState baseProcessTracker; 72 BatteryStatsImpl.Uid.Proc curProcBatteryStats; 73 int pid; // The process of this application; 0 if none 74 String procStatFile; // path to /proc/<pid>/stat 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 lastSwapPss; // Last computed SwapPss. 86 long lastCachedPss; // Last computed pss when in cached state. 87 long lastCachedSwapPss; // Last computed SwapPss when in cached state. 88 int maxAdj; // Maximum OOM adjustment for this process 89 int curRawAdj; // Current OOM unlimited adjustment for this process 90 int setRawAdj; // Last set OOM unlimited adjustment for this process 91 int curAdj; // Current OOM adjustment for this process 92 int setAdj; // Last set OOM adjustment for this process 93 int verifiedAdj; // The last adjustment that was verified as actually being set 94 int curSchedGroup; // Currently desired scheduling class 95 int setSchedGroup; // Last set to background scheduling class 96 int vrThreadTid; // Thread currently set for VR scheduling 97 int trimMemoryLevel; // Last selected memory trimming level 98 int curProcState = PROCESS_STATE_NONEXISTENT; // Currently computed process state 99 int repProcState = PROCESS_STATE_NONEXISTENT; // Last reported process state 100 int setProcState = PROCESS_STATE_NONEXISTENT; // Last set process state in process tracker 101 int pssProcState = PROCESS_STATE_NONEXISTENT; // Currently requesting pss for 102 int savedPriority; // Previous priority value if we're switching to non-SCHED_OTHER 103 int renderThreadTid; // TID for RenderThread 104 boolean serviceb; // Process currently is on the service B list 105 boolean serviceHighRam; // We are forcing to service B list due to its RAM use 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 hasTopUi; // Is this process currently showing a non-activity UI that the user 115 // is interacting with? E.g. The status bar when it is expanded, but 116 // not when it is minimized. When true the 117 // process will be set to use the ProcessList#SCHED_GROUP_TOP_APP 118 // scheduling group to boost performance. 119 boolean hasOverlayUi; // Is the process currently showing a non-activity UI that 120 // overlays on-top of activity UIs on screen. E.g. display a window 121 // of type 122 // android.view.WindowManager.LayoutParams#TYPE_APPLICATION_OVERLAY 123 // When true the process will oom adj score will be set to 124 // ProcessList#PERCEPTIBLE_APP_ADJ at minimum to reduce the chance 125 // of the process getting killed. 126 boolean pendingUiClean; // Want to clean up resources from showing UI? 127 boolean hasAboveClient; // Bound using BIND_ABOVE_CLIENT, so want to be lower 128 boolean treatLikeActivity; // Bound using BIND_TREAT_LIKE_ACTIVITY 129 boolean bad; // True if disabled in the bad process list 130 boolean killedByAm; // True when proc has been killed by activity manager, not for RAM 131 boolean killed; // True once we know the process has been killed 132 boolean procStateChanged; // Keep track of whether we changed 'setAdj'. 133 boolean reportedInteraction;// Whether we have told usage stats about it being an interaction 134 boolean unlocked; // True when proc was started in user unlocked state 135 long interactionEventTime; // The time we sent the last interaction event 136 long fgInteractionTime; // When we became foreground for interaction purposes 137 String waitingToKill; // Process is waiting to be killed when in the bg, and reason 138 Object forcingToImportant; // Token that is forcing this process to be important 139 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 140 int lruSeq; // Sequence id for identifying LRU update cycles 141 CompatibilityInfo compat; // last used compatibility mode 142 IBinder.DeathRecipient deathRecipient; // Who is watching for the death. 143 ActiveInstrumentation instr;// Set to currently active instrumentation running in process 144 boolean usingWrapper; // Set to true when process was launched with a wrapper attached 145 final ArraySet<BroadcastRecord> curReceivers = new ArraySet<BroadcastRecord>();// receivers currently running in the app 146 long whenUnimportant; // When (uptime) the process last became unimportant 147 long lastCpuTime; // How long proc has run CPU at last check 148 long curCpuTime; // How long proc has run CPU most recently 149 long lastRequestedGc; // When we last asked the app to do a gc 150 long lastLowMemory; // When we last told the app that memory is low 151 long lastProviderTime; // The last time someone else was using a provider in this process. 152 boolean reportLowMemory; // Set to true when waiting to report low mem 153 boolean empty; // Is this an empty background process? 154 boolean cached; // Is this a cached process? 155 String adjType; // Debugging: primary thing impacting oom_adj. 156 int adjTypeCode; // Debugging: adj code to report to app. 157 Object adjSource; // Debugging: option dependent object. 158 int adjSourceProcState; // Debugging: proc state of adjSource's process. 159 Object adjTarget; // Debugging: target component impacting oom_adj. 160 Runnable crashHandler; // Optional local handler to be invoked in the process crash. 161 162 // all activities running in the process 163 final ArrayList<ActivityRecord> activities = new ArrayList<>(); 164 // all ServiceRecord running in this process 165 final ArraySet<ServiceRecord> services = new ArraySet<>(); 166 // services that are currently executing code (need to remain foreground). 167 final ArraySet<ServiceRecord> executingServices = new ArraySet<>(); 168 // All ConnectionRecord this process holds 169 final ArraySet<ConnectionRecord> connections = new ArraySet<>(); 170 // all IIntentReceivers that are registered from this process. 171 final ArraySet<ReceiverList> receivers = new ArraySet<>(); 172 // class (String) -> ContentProviderRecord 173 final ArrayMap<String, ContentProviderRecord> pubProviders = new ArrayMap<>(); 174 // All ContentProviderRecord process is using 175 final ArrayList<ContentProviderConnection> conProviders = new ArrayList<>(); 176 177 boolean execServicesFg; // do we need to be executing services in the foreground? 178 boolean persistent; // always keep this application running? 179 boolean crashing; // are we in the process of crashing? 180 Dialog crashDialog; // dialog being displayed due to crash. 181 boolean forceCrashReport; // suppress normal auto-dismiss of crash dialog & report UI? 182 boolean notResponding; // does the app have a not responding dialog? 183 Dialog anrDialog; // dialog being displayed due to app not resp. 184 boolean removed; // has app package been removed from device? 185 boolean debugging; // was app launched for debugging? 186 boolean waitedForDebugger; // has process show wait for debugger dialog? 187 Dialog waitDialog; // current wait for debugger dialog 188 189 String shortStringName; // caching of toShortString() result. 190 String stringName; // caching of toString() result. 191 192 // These reports are generated & stored when an app gets into an error condition. 193 // They will be "null" when all is OK. 194 ActivityManager.ProcessErrorStateInfo crashingReport; 195 ActivityManager.ProcessErrorStateInfo notRespondingReport; 196 197 // Who will be notified of the error. This is usually an activity in the 198 // app that installed the package. 199 ComponentName errorReportReceiver; 200 201 // Process is currently hosting a backup agent for backup or restore 202 public boolean inFullBackup; 203 // App is allowed to manage whitelists such as temporary Power Save mode whitelist. 204 boolean whitelistManager; 205 206 void dump(PrintWriter pw, String prefix) { 207 final long nowUptime = SystemClock.uptimeMillis(); 208 209 pw.print(prefix); pw.print("user #"); pw.print(userId); 210 pw.print(" uid="); pw.print(info.uid); 211 if (uid != info.uid) { 212 pw.print(" ISOLATED uid="); pw.print(uid); 213 } 214 pw.print(" gids={"); 215 if (gids != null) { 216 for (int gi=0; gi<gids.length; gi++) { 217 if (gi != 0) pw.print(", "); 218 pw.print(gids[gi]); 219 220 } 221 } 222 pw.println("}"); 223 pw.print(prefix); pw.print("requiredAbi="); pw.print(requiredAbi); 224 pw.print(" instructionSet="); pw.println(instructionSet); 225 if (info.className != null) { 226 pw.print(prefix); pw.print("class="); pw.println(info.className); 227 } 228 if (info.manageSpaceActivityName != null) { 229 pw.print(prefix); pw.print("manageSpaceActivityName="); 230 pw.println(info.manageSpaceActivityName); 231 } 232 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 233 pw.print(" publicDir="); pw.print(info.publicSourceDir); 234 pw.print(" data="); pw.println(info.dataDir); 235 pw.print(prefix); pw.print("packageList={"); 236 for (int i=0; i<pkgList.size(); i++) { 237 if (i > 0) pw.print(", "); 238 pw.print(pkgList.keyAt(i)); 239 } 240 pw.println("}"); 241 if (pkgDeps != null) { 242 pw.print(prefix); pw.print("packageDependencies={"); 243 for (int i=0; i<pkgDeps.size(); i++) { 244 if (i > 0) pw.print(", "); 245 pw.print(pkgDeps.valueAt(i)); 246 } 247 pw.println("}"); 248 } 249 pw.print(prefix); pw.print("compat="); pw.println(compat); 250 if (instr != null) { 251 pw.print(prefix); pw.print("instr="); pw.println(instr); 252 } 253 pw.print(prefix); pw.print("thread="); pw.println(thread); 254 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 255 pw.println(starting); 256 pw.print(prefix); pw.print("lastActivityTime="); 257 TimeUtils.formatDuration(lastActivityTime, nowUptime, pw); 258 pw.print(" lastPssTime="); 259 TimeUtils.formatDuration(lastPssTime, nowUptime, pw); 260 pw.print(" nextPssTime="); 261 TimeUtils.formatDuration(nextPssTime, nowUptime, pw); 262 pw.println(); 263 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 264 pw.print(" lruSeq="); pw.print(lruSeq); 265 pw.print(" lastPss="); DebugUtils.printSizeValue(pw, lastPss*1024); 266 pw.print(" lastSwapPss="); DebugUtils.printSizeValue(pw, lastSwapPss*1024); 267 pw.print(" lastCachedPss="); DebugUtils.printSizeValue(pw, lastCachedPss*1024); 268 pw.print(" lastCachedSwapPss="); DebugUtils.printSizeValue(pw, lastCachedSwapPss*1024); 269 pw.println(); 270 pw.print(prefix); pw.print("cached="); pw.print(cached); 271 pw.print(" empty="); pw.println(empty); 272 if (serviceb) { 273 pw.print(prefix); pw.print("serviceb="); pw.print(serviceb); 274 pw.print(" serviceHighRam="); pw.println(serviceHighRam); 275 } 276 if (notCachedSinceIdle) { 277 pw.print(prefix); pw.print("notCachedSinceIdle="); pw.print(notCachedSinceIdle); 278 pw.print(" initialIdlePss="); pw.println(initialIdlePss); 279 } 280 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 281 pw.print(" curRaw="); pw.print(curRawAdj); 282 pw.print(" setRaw="); pw.print(setRawAdj); 283 pw.print(" cur="); pw.print(curAdj); 284 pw.print(" set="); pw.println(setAdj); 285 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 286 pw.print(" setSchedGroup="); pw.print(setSchedGroup); 287 pw.print(" systemNoUi="); pw.print(systemNoUi); 288 pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel); 289 if (vrThreadTid != 0) { 290 pw.print(prefix); pw.print("vrThreadTid="); pw.println(vrThreadTid); 291 } 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, nowUptime, 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 (hasTopUi || hasOverlayUi) { 306 pw.print(prefix); pw.print("hasTopUi="); pw.print(hasTopUi); 307 pw.print(" hasOverlayUi="); pw.println(hasOverlayUi); 308 } 309 if (foregroundServices || forcingToImportant != null) { 310 pw.print(prefix); pw.print("foregroundServices="); pw.print(foregroundServices); 311 pw.print(" forcingToImportant="); pw.println(forcingToImportant); 312 } 313 if (reportedInteraction || fgInteractionTime != 0) { 314 pw.print(prefix); pw.print("reportedInteraction="); 315 pw.print(reportedInteraction); 316 if (interactionEventTime != 0) { 317 pw.print(" time="); 318 TimeUtils.formatDuration(interactionEventTime, SystemClock.elapsedRealtime(), pw); 319 } 320 if (fgInteractionTime != 0) { 321 pw.print(" fgInteractionTime="); 322 TimeUtils.formatDuration(fgInteractionTime, SystemClock.elapsedRealtime(), pw); 323 } 324 pw.println(); 325 } 326 if (persistent || removed) { 327 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 328 pw.print(" removed="); pw.println(removed); 329 } 330 if (hasClientActivities || foregroundActivities || repForegroundActivities) { 331 pw.print(prefix); pw.print("hasClientActivities="); pw.print(hasClientActivities); 332 pw.print(" foregroundActivities="); pw.print(foregroundActivities); 333 pw.print(" (rep="); pw.print(repForegroundActivities); pw.println(")"); 334 } 335 if (lastProviderTime > 0) { 336 pw.print(prefix); pw.print("lastProviderTime="); 337 TimeUtils.formatDuration(lastProviderTime, nowUptime, pw); 338 pw.println(); 339 } 340 if (hasStartedServices) { 341 pw.print(prefix); pw.print("hasStartedServices="); pw.println(hasStartedServices); 342 } 343 if (setProcState > ActivityManager.PROCESS_STATE_SERVICE) { 344 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 345 if (lastCpuTime > 0) { 346 pw.print(" timeUsed="); 347 TimeUtils.formatDuration(curCpuTime - lastCpuTime, pw); 348 } 349 pw.print(" whenUnimportant="); 350 TimeUtils.formatDuration(whenUnimportant - nowUptime, pw); 351 pw.println(); 352 } 353 pw.print(prefix); pw.print("lastRequestedGc="); 354 TimeUtils.formatDuration(lastRequestedGc, nowUptime, pw); 355 pw.print(" lastLowMemory="); 356 TimeUtils.formatDuration(lastLowMemory, nowUptime, 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 (whitelistManager) { 380 pw.print(prefix); pw.print("whitelistManager="); pw.println(whitelistManager); 381 } 382 if (activities.size() > 0) { 383 pw.print(prefix); pw.println("Activities:"); 384 for (int i=0; i<activities.size(); i++) { 385 pw.print(prefix); pw.print(" - "); pw.println(activities.get(i)); 386 } 387 } 388 if (services.size() > 0) { 389 pw.print(prefix); pw.println("Services:"); 390 for (int i=0; i<services.size(); i++) { 391 pw.print(prefix); pw.print(" - "); pw.println(services.valueAt(i)); 392 } 393 } 394 if (executingServices.size() > 0) { 395 pw.print(prefix); pw.print("Executing Services (fg="); 396 pw.print(execServicesFg); pw.println(")"); 397 for (int i=0; i<executingServices.size(); i++) { 398 pw.print(prefix); pw.print(" - "); pw.println(executingServices.valueAt(i)); 399 } 400 } 401 if (connections.size() > 0) { 402 pw.print(prefix); pw.println("Connections:"); 403 for (int i=0; i<connections.size(); i++) { 404 pw.print(prefix); pw.print(" - "); pw.println(connections.valueAt(i)); 405 } 406 } 407 if (pubProviders.size() > 0) { 408 pw.print(prefix); pw.println("Published Providers:"); 409 for (int i=0; i<pubProviders.size(); i++) { 410 pw.print(prefix); pw.print(" - "); pw.println(pubProviders.keyAt(i)); 411 pw.print(prefix); pw.print(" -> "); pw.println(pubProviders.valueAt(i)); 412 } 413 } 414 if (conProviders.size() > 0) { 415 pw.print(prefix); pw.println("Connected Providers:"); 416 for (int i=0; i<conProviders.size(); i++) { 417 pw.print(prefix); pw.print(" - "); pw.println(conProviders.get(i).toShortString()); 418 } 419 } 420 if (!curReceivers.isEmpty()) { 421 pw.print(prefix); pw.println("Current Receivers:"); 422 for (int i=0; i < curReceivers.size(); i++) { 423 pw.print(prefix); pw.print(" - "); pw.println(curReceivers.valueAt(i)); 424 } 425 } 426 if (receivers.size() > 0) { 427 pw.print(prefix); pw.println("Receivers:"); 428 for (int i=0; i<receivers.size(); i++) { 429 pw.print(prefix); pw.print(" - "); pw.println(receivers.valueAt(i)); 430 } 431 } 432 } 433 434 ProcessRecord(BatteryStatsImpl _batteryStats, ApplicationInfo _info, 435 String _processName, int _uid) { 436 mBatteryStats = _batteryStats; 437 info = _info; 438 isolated = _info.uid != _uid; 439 uid = _uid; 440 userId = UserHandle.getUserId(_uid); 441 processName = _processName; 442 pkgList.put(_info.packageName, new ProcessStats.ProcessStateHolder(_info.versionCode)); 443 maxAdj = ProcessList.UNKNOWN_ADJ; 444 curRawAdj = setRawAdj = ProcessList.INVALID_ADJ; 445 curAdj = setAdj = verifiedAdj = ProcessList.INVALID_ADJ; 446 persistent = false; 447 removed = false; 448 lastStateTime = lastPssTime = nextPssTime = SystemClock.uptimeMillis(); 449 } 450 451 public void setPid(int _pid) { 452 pid = _pid; 453 procStatFile = null; 454 shortStringName = null; 455 stringName = null; 456 } 457 458 public void makeActive(IApplicationThread _thread, ProcessStatsService tracker) { 459 if (thread == null) { 460 final ProcessState origBase = baseProcessTracker; 461 if (origBase != null) { 462 origBase.setState(ProcessStats.STATE_NOTHING, 463 tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList); 464 origBase.makeInactive(); 465 } 466 baseProcessTracker = tracker.getProcessStateLocked(info.packageName, uid, 467 info.versionCode, processName); 468 baseProcessTracker.makeActive(); 469 for (int i=0; i<pkgList.size(); i++) { 470 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 471 if (holder.state != null && holder.state != origBase) { 472 holder.state.makeInactive(); 473 } 474 holder.state = tracker.getProcessStateLocked(pkgList.keyAt(i), uid, 475 info.versionCode, processName); 476 if (holder.state != baseProcessTracker) { 477 holder.state.makeActive(); 478 } 479 } 480 } 481 thread = _thread; 482 } 483 484 public void makeInactive(ProcessStatsService tracker) { 485 thread = null; 486 final ProcessState origBase = baseProcessTracker; 487 if (origBase != null) { 488 if (origBase != null) { 489 origBase.setState(ProcessStats.STATE_NOTHING, 490 tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList); 491 origBase.makeInactive(); 492 } 493 baseProcessTracker = null; 494 for (int i=0; i<pkgList.size(); i++) { 495 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 496 if (holder.state != null && holder.state != origBase) { 497 holder.state.makeInactive(); 498 } 499 holder.state = null; 500 } 501 } 502 } 503 504 /** 505 * This method returns true if any of the activities within the process record are interesting 506 * to the user. See HistoryRecord.isInterestingToUserLocked() 507 */ 508 public boolean isInterestingToUserLocked() { 509 final int size = activities.size(); 510 for (int i = 0 ; i < size ; i++) { 511 ActivityRecord r = activities.get(i); 512 if (r.isInterestingToUserLocked()) { 513 return true; 514 } 515 } 516 517 final int servicesSize = services.size(); 518 for (int i = 0; i < servicesSize; i++) { 519 ServiceRecord r = services.valueAt(i); 520 if (r.isForeground) { 521 return true; 522 } 523 } 524 return false; 525 } 526 527 public void stopFreezingAllLocked() { 528 int i = activities.size(); 529 while (i > 0) { 530 i--; 531 activities.get(i).stopFreezingScreenLocked(true); 532 } 533 } 534 535 public void unlinkDeathRecipient() { 536 if (deathRecipient != null && thread != null) { 537 thread.asBinder().unlinkToDeath(deathRecipient, 0); 538 } 539 deathRecipient = null; 540 } 541 542 void updateHasAboveClientLocked() { 543 hasAboveClient = false; 544 for (int i=connections.size()-1; i>=0; i--) { 545 ConnectionRecord cr = connections.valueAt(i); 546 if ((cr.flags&Context.BIND_ABOVE_CLIENT) != 0) { 547 hasAboveClient = true; 548 break; 549 } 550 } 551 } 552 553 int modifyRawOomAdj(int adj) { 554 if (hasAboveClient) { 555 // If this process has bound to any services with BIND_ABOVE_CLIENT, 556 // then we need to drop its adjustment to be lower than the service's 557 // in order to honor the request. We want to drop it by one adjustment 558 // level... but there is special meaning applied to various levels so 559 // we will skip some of them. 560 if (adj < ProcessList.FOREGROUND_APP_ADJ) { 561 // System process will not get dropped, ever 562 } else if (adj < ProcessList.VISIBLE_APP_ADJ) { 563 adj = ProcessList.VISIBLE_APP_ADJ; 564 } else if (adj < ProcessList.PERCEPTIBLE_APP_ADJ) { 565 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 566 } else if (adj < ProcessList.CACHED_APP_MIN_ADJ) { 567 adj = ProcessList.CACHED_APP_MIN_ADJ; 568 } else if (adj < ProcessList.CACHED_APP_MAX_ADJ) { 569 adj++; 570 } 571 } 572 return adj; 573 } 574 575 void scheduleCrash(String message) { 576 // Checking killedbyAm should keep it from showing the crash dialog if the process 577 // was already dead for a good / normal reason. 578 if (!killedByAm) { 579 if (thread != null) { 580 if (pid == Process.myPid()) { 581 Slog.w(TAG, "scheduleCrash: trying to crash system process!"); 582 return; 583 } 584 long ident = Binder.clearCallingIdentity(); 585 try { 586 thread.scheduleCrash(message); 587 } catch (RemoteException e) { 588 // If it's already dead our work is done. If it's wedged just kill it. 589 // We won't get the crash dialog or the error reporting. 590 kill("scheduleCrash for '" + message + "' failed", true); 591 } finally { 592 Binder.restoreCallingIdentity(ident); 593 } 594 } 595 } 596 } 597 598 void kill(String reason, boolean noisy) { 599 if (!killedByAm) { 600 Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "kill"); 601 if (noisy) { 602 Slog.i(TAG, "Killing " + toShortString() + " (adj " + setAdj + "): " + reason); 603 } 604 EventLog.writeEvent(EventLogTags.AM_KILL, userId, pid, processName, setAdj, reason); 605 Process.killProcessQuiet(pid); 606 ActivityManagerService.killProcessGroup(uid, pid); 607 if (!persistent) { 608 killed = true; 609 killedByAm = true; 610 } 611 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 612 } 613 } 614 615 public String toShortString() { 616 if (shortStringName != null) { 617 return shortStringName; 618 } 619 StringBuilder sb = new StringBuilder(128); 620 toShortString(sb); 621 return shortStringName = sb.toString(); 622 } 623 624 void toShortString(StringBuilder sb) { 625 sb.append(pid); 626 sb.append(':'); 627 sb.append(processName); 628 sb.append('/'); 629 if (info.uid < Process.FIRST_APPLICATION_UID) { 630 sb.append(uid); 631 } else { 632 sb.append('u'); 633 sb.append(userId); 634 int appId = UserHandle.getAppId(info.uid); 635 if (appId >= Process.FIRST_APPLICATION_UID) { 636 sb.append('a'); 637 sb.append(appId - Process.FIRST_APPLICATION_UID); 638 } else { 639 sb.append('s'); 640 sb.append(appId); 641 } 642 if (uid != info.uid) { 643 sb.append('i'); 644 sb.append(UserHandle.getAppId(uid) - Process.FIRST_ISOLATED_UID); 645 } 646 } 647 } 648 649 public String toString() { 650 if (stringName != null) { 651 return stringName; 652 } 653 StringBuilder sb = new StringBuilder(128); 654 sb.append("ProcessRecord{"); 655 sb.append(Integer.toHexString(System.identityHashCode(this))); 656 sb.append(' '); 657 toShortString(sb); 658 sb.append('}'); 659 return stringName = sb.toString(); 660 } 661 662 public String makeAdjReason() { 663 if (adjSource != null || adjTarget != null) { 664 StringBuilder sb = new StringBuilder(128); 665 sb.append(' '); 666 if (adjTarget instanceof ComponentName) { 667 sb.append(((ComponentName)adjTarget).flattenToShortString()); 668 } else if (adjTarget != null) { 669 sb.append(adjTarget.toString()); 670 } else { 671 sb.append("{null}"); 672 } 673 sb.append("<="); 674 if (adjSource instanceof ProcessRecord) { 675 sb.append("Proc{"); 676 sb.append(((ProcessRecord)adjSource).toShortString()); 677 sb.append("}"); 678 } else if (adjSource != null) { 679 sb.append(adjSource.toString()); 680 } else { 681 sb.append("{null}"); 682 } 683 return sb.toString(); 684 } 685 return null; 686 } 687 688 /* 689 * Return true if package has been added false if not 690 */ 691 public boolean addPackage(String pkg, int versionCode, ProcessStatsService tracker) { 692 if (!pkgList.containsKey(pkg)) { 693 ProcessStats.ProcessStateHolder holder = new ProcessStats.ProcessStateHolder( 694 versionCode); 695 if (baseProcessTracker != null) { 696 holder.state = tracker.getProcessStateLocked( 697 pkg, uid, versionCode, processName); 698 pkgList.put(pkg, holder); 699 if (holder.state != baseProcessTracker) { 700 holder.state.makeActive(); 701 } 702 } else { 703 pkgList.put(pkg, holder); 704 } 705 return true; 706 } 707 return false; 708 } 709 710 public int getSetAdjWithServices() { 711 if (setAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 712 if (hasStartedServices) { 713 return ProcessList.SERVICE_B_ADJ; 714 } 715 } 716 return setAdj; 717 } 718 719 public void forceProcessStateUpTo(int newState) { 720 if (repProcState > newState) { 721 curProcState = repProcState = newState; 722 } 723 } 724 725 /* 726 * Delete all packages from list except the package indicated in info 727 */ 728 public void resetPackageList(ProcessStatsService tracker) { 729 final int N = pkgList.size(); 730 if (baseProcessTracker != null) { 731 long now = SystemClock.uptimeMillis(); 732 baseProcessTracker.setState(ProcessStats.STATE_NOTHING, 733 tracker.getMemFactorLocked(), now, pkgList); 734 if (N != 1) { 735 for (int i=0; i<N; i++) { 736 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 737 if (holder.state != null && holder.state != baseProcessTracker) { 738 holder.state.makeInactive(); 739 } 740 741 } 742 pkgList.clear(); 743 ProcessState ps = tracker.getProcessStateLocked( 744 info.packageName, uid, info.versionCode, processName); 745 ProcessStats.ProcessStateHolder holder = new ProcessStats.ProcessStateHolder( 746 info.versionCode); 747 holder.state = ps; 748 pkgList.put(info.packageName, holder); 749 if (ps != baseProcessTracker) { 750 ps.makeActive(); 751 } 752 } 753 } else if (N != 1) { 754 pkgList.clear(); 755 pkgList.put(info.packageName, new ProcessStats.ProcessStateHolder(info.versionCode)); 756 } 757 } 758 759 public String[] getPackageList() { 760 int size = pkgList.size(); 761 if (size == 0) { 762 return null; 763 } 764 String list[] = new String[size]; 765 for (int i=0; i<pkgList.size(); i++) { 766 list[i] = pkgList.keyAt(i); 767 } 768 return list; 769 } 770 } 771
