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 import android.util.proto.ProtoOutputStream; 48 49 import java.io.PrintWriter; 50 import java.util.ArrayList; 51 import java.util.Arrays; 52 53 /** 54 * Full information about a particular process that 55 * is currently running. 56 */ 57 final class ProcessRecord { 58 private static final String TAG = TAG_WITH_CLASS_NAME ? "ProcessRecord" : TAG_AM; 59 60 private final ActivityManagerService mService; // where we came from 61 private final BatteryStatsImpl mBatteryStats; // where to collect runtime statistics 62 final ApplicationInfo info; // all about the first app in the process 63 final boolean isolated; // true if this is a special isolated process 64 final int uid; // uid of process; may be different from 'info' if isolated 65 final int userId; // user of process. 66 final String processName; // name of the process 67 // List of packages running in the process 68 final ArrayMap<String, ProcessStats.ProcessStateHolder> pkgList = new ArrayMap<>(); 69 final ProcessList.ProcStateMemTracker procStateMemTracker 70 = new ProcessList.ProcStateMemTracker(); 71 UidRecord uidRecord; // overall state of process's uid. 72 ArraySet<String> pkgDeps; // additional packages we have a dependency on 73 IApplicationThread thread; // the actual proc... may be null only if 74 // 'persistent' is true (in which case we 75 // are in the process of launching the app) 76 ProcessState baseProcessTracker; 77 BatteryStatsImpl.Uid.Proc curProcBatteryStats; 78 int pid; // The process of this application; 0 if none 79 String procStatFile; // path to /proc/<pid>/stat 80 int[] gids; // The gids this process was launched with 81 String requiredAbi; // The ABI this process was launched with 82 String instructionSet; // The instruction set this process was launched with 83 boolean starting; // True if the process is being started 84 long lastActivityTime; // For managing the LRU list 85 long lastPssTime; // Last time we retrieved PSS data 86 long nextPssTime; // Next time we want to request PSS data 87 long lastStateTime; // Last time setProcState changed 88 long initialIdlePss; // Initial memory pss of process for idle maintenance. 89 long lastPss; // Last computed memory pss. 90 long lastSwapPss; // Last computed SwapPss. 91 long lastCachedPss; // Last computed pss when in cached state. 92 long lastCachedSwapPss; // Last computed SwapPss when in cached state. 93 int maxAdj; // Maximum OOM adjustment for this process 94 int curRawAdj; // Current OOM unlimited adjustment for this process 95 int setRawAdj; // Last set OOM unlimited adjustment for this process 96 int curAdj; // Current OOM adjustment for this process 97 int setAdj; // Last set OOM adjustment for this process 98 int verifiedAdj; // The last adjustment that was verified as actually being set 99 int curSchedGroup; // Currently desired scheduling class 100 int setSchedGroup; // Last set to background scheduling class 101 int vrThreadTid; // Thread currently set for VR scheduling 102 int trimMemoryLevel; // Last selected memory trimming level 103 int curProcState = PROCESS_STATE_NONEXISTENT; // Currently computed process state 104 int repProcState = PROCESS_STATE_NONEXISTENT; // Last reported process state 105 int setProcState = PROCESS_STATE_NONEXISTENT; // Last set process state in process tracker 106 int pssProcState = PROCESS_STATE_NONEXISTENT; // Currently requesting pss for 107 int pssStatType; // The type of stat collection that we are currently requesting 108 int savedPriority; // Previous priority value if we're switching to non-SCHED_OTHER 109 int renderThreadTid; // TID for RenderThread 110 boolean serviceb; // Process currently is on the service B list 111 boolean serviceHighRam; // We are forcing to service B list due to its RAM use 112 boolean notCachedSinceIdle; // Has this process not been in a cached state since last idle? 113 boolean hasClientActivities; // Are there any client services with activities? 114 boolean hasStartedServices; // Are there any started services running in this process? 115 boolean foregroundServices; // Running any services that are foreground? 116 boolean foregroundActivities; // Running any activities that are foreground? 117 boolean repForegroundActivities; // Last reported foreground activities. 118 boolean systemNoUi; // This is a system process, but not currently showing UI. 119 boolean hasShownUi; // Has UI been shown in this process since it was started? 120 boolean hasTopUi; // Is this process currently showing a non-activity UI that the user 121 // is interacting with? E.g. The status bar when it is expanded, but 122 // not when it is minimized. When true the 123 // process will be set to use the ProcessList#SCHED_GROUP_TOP_APP 124 // scheduling group to boost performance. 125 boolean hasOverlayUi; // Is the process currently showing a non-activity UI that 126 // overlays on-top of activity UIs on screen. E.g. display a window 127 // of type 128 // android.view.WindowManager.LayoutParams#TYPE_APPLICATION_OVERLAY 129 // When true the process will oom adj score will be set to 130 // ProcessList#PERCEPTIBLE_APP_ADJ at minimum to reduce the chance 131 // of the process getting killed. 132 boolean runningRemoteAnimation; // Is the process currently running a RemoteAnimation? When true 133 // the process will be set to use the 134 // ProcessList#SCHED_GROUP_TOP_APP scheduling group to boost 135 // performance, as well as oom adj score will be set to 136 // ProcessList#VISIBLE_APP_ADJ at minimum to reduce the chance 137 // of the process getting killed. 138 boolean pendingUiClean; // Want to clean up resources from showing UI? 139 boolean hasAboveClient; // Bound using BIND_ABOVE_CLIENT, so want to be lower 140 boolean treatLikeActivity; // Bound using BIND_TREAT_LIKE_ACTIVITY 141 boolean bad; // True if disabled in the bad process list 142 boolean killedByAm; // True when proc has been killed by activity manager, not for RAM 143 boolean killed; // True once we know the process has been killed 144 boolean procStateChanged; // Keep track of whether we changed 'setAdj'. 145 boolean reportedInteraction;// Whether we have told usage stats about it being an interaction 146 boolean unlocked; // True when proc was started in user unlocked state 147 long interactionEventTime; // The time we sent the last interaction event 148 long fgInteractionTime; // When we became foreground for interaction purposes 149 String waitingToKill; // Process is waiting to be killed when in the bg, and reason 150 Object forcingToImportant; // Token that is forcing this process to be important 151 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 152 int completedAdjSeq; // Sequence id for identifying oom_adj assignment cycles 153 boolean containsCycle; // Whether this app has encountered a cycle in the most recent update 154 int lruSeq; // Sequence id for identifying LRU update cycles 155 CompatibilityInfo compat; // last used compatibility mode 156 IBinder.DeathRecipient deathRecipient; // Who is watching for the death. 157 ActiveInstrumentation instr;// Set to currently active instrumentation running in process 158 boolean usingWrapper; // Set to true when process was launched with a wrapper attached 159 final ArraySet<BroadcastRecord> curReceivers = new ArraySet<BroadcastRecord>();// receivers currently running in the app 160 long whenUnimportant; // When (uptime) the process last became unimportant 161 long lastCpuTime; // How long proc has run CPU at last check 162 long curCpuTime; // How long proc has run CPU most recently 163 long lastRequestedGc; // When we last asked the app to do a gc 164 long lastLowMemory; // When we last told the app that memory is low 165 long lastProviderTime; // The last time someone else was using a provider in this process. 166 boolean reportLowMemory; // Set to true when waiting to report low mem 167 boolean empty; // Is this an empty background process? 168 boolean cached; // Is this a cached process? 169 String adjType; // Debugging: primary thing impacting oom_adj. 170 int adjTypeCode; // Debugging: adj code to report to app. 171 Object adjSource; // Debugging: option dependent object. 172 int adjSourceProcState; // Debugging: proc state of adjSource's process. 173 Object adjTarget; // Debugging: target component impacting oom_adj. 174 Runnable crashHandler; // Optional local handler to be invoked in the process crash. 175 176 // all activities running in the process 177 final ArrayList<ActivityRecord> activities = new ArrayList<>(); 178 // any tasks this process had run root activities in 179 final ArrayList<TaskRecord> recentTasks = new ArrayList<>(); 180 // all ServiceRecord running in this process 181 final ArraySet<ServiceRecord> services = new ArraySet<>(); 182 // services that are currently executing code (need to remain foreground). 183 final ArraySet<ServiceRecord> executingServices = new ArraySet<>(); 184 // All ConnectionRecord this process holds 185 final ArraySet<ConnectionRecord> connections = new ArraySet<>(); 186 // all IIntentReceivers that are registered from this process. 187 final ArraySet<ReceiverList> receivers = new ArraySet<>(); 188 // class (String) -> ContentProviderRecord 189 final ArrayMap<String, ContentProviderRecord> pubProviders = new ArrayMap<>(); 190 // All ContentProviderRecord process is using 191 final ArrayList<ContentProviderConnection> conProviders = new ArrayList<>(); 192 193 String isolatedEntryPoint; // Class to run on start if this is a special isolated process. 194 String[] isolatedEntryPointArgs; // Arguments to pass to isolatedEntryPoint's main(). 195 196 boolean execServicesFg; // do we need to be executing services in the foreground? 197 boolean persistent; // always keep this application running? 198 boolean crashing; // are we in the process of crashing? 199 Dialog crashDialog; // dialog being displayed due to crash. 200 boolean forceCrashReport; // suppress normal auto-dismiss of crash dialog & report UI? 201 boolean notResponding; // does the app have a not responding dialog? 202 Dialog anrDialog; // dialog being displayed due to app not resp. 203 boolean removed; // has app package been removed from device? 204 boolean debugging; // was app launched for debugging? 205 boolean waitedForDebugger; // has process show wait for debugger dialog? 206 Dialog waitDialog; // current wait for debugger dialog 207 208 String shortStringName; // caching of toShortString() result. 209 String stringName; // caching of toString() result. 210 boolean pendingStart; // Process start is pending. 211 long startSeq; // Seq no. indicating the latest process start associated with 212 // this process record. 213 214 // These reports are generated & stored when an app gets into an error condition. 215 // They will be "null" when all is OK. 216 ActivityManager.ProcessErrorStateInfo crashingReport; 217 ActivityManager.ProcessErrorStateInfo notRespondingReport; 218 219 // Who will be notified of the error. This is usually an activity in the 220 // app that installed the package. 221 ComponentName errorReportReceiver; 222 223 // Process is currently hosting a backup agent for backup or restore 224 public boolean inFullBackup; 225 // App is allowed to manage whitelists such as temporary Power Save mode whitelist. 226 boolean whitelistManager; 227 228 // Params used in starting this process. 229 String hostingType; 230 String hostingNameStr; 231 String seInfo; 232 long startTime; 233 // This will be same as {@link #uid} usually except for some apps used during factory testing. 234 int startUid; 235 setStartParams(int startUid, String hostingType, String hostingNameStr, String seInfo, long startTime)236 void setStartParams(int startUid, String hostingType, String hostingNameStr, String seInfo, 237 long startTime) { 238 this.startUid = startUid; 239 this.hostingType = hostingType; 240 this.hostingNameStr = hostingNameStr; 241 this.seInfo = seInfo; 242 this.startTime = startTime; 243 } 244 dump(PrintWriter pw, String prefix)245 void dump(PrintWriter pw, String prefix) { 246 final long nowUptime = SystemClock.uptimeMillis(); 247 248 pw.print(prefix); pw.print("user #"); pw.print(userId); 249 pw.print(" uid="); pw.print(info.uid); 250 if (uid != info.uid) { 251 pw.print(" ISOLATED uid="); pw.print(uid); 252 } 253 pw.print(" gids={"); 254 if (gids != null) { 255 for (int gi=0; gi<gids.length; gi++) { 256 if (gi != 0) pw.print(", "); 257 pw.print(gids[gi]); 258 259 } 260 } 261 pw.println("}"); 262 pw.print(prefix); pw.print("requiredAbi="); pw.print(requiredAbi); 263 pw.print(" instructionSet="); pw.println(instructionSet); 264 if (info.className != null) { 265 pw.print(prefix); pw.print("class="); pw.println(info.className); 266 } 267 if (info.manageSpaceActivityName != null) { 268 pw.print(prefix); pw.print("manageSpaceActivityName="); 269 pw.println(info.manageSpaceActivityName); 270 } 271 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 272 pw.print(" publicDir="); pw.print(info.publicSourceDir); 273 pw.print(" data="); pw.println(info.dataDir); 274 pw.print(prefix); pw.print("packageList={"); 275 for (int i=0; i<pkgList.size(); i++) { 276 if (i > 0) pw.print(", "); 277 pw.print(pkgList.keyAt(i)); 278 } 279 pw.println("}"); 280 if (pkgDeps != null) { 281 pw.print(prefix); pw.print("packageDependencies={"); 282 for (int i=0; i<pkgDeps.size(); i++) { 283 if (i > 0) pw.print(", "); 284 pw.print(pkgDeps.valueAt(i)); 285 } 286 pw.println("}"); 287 } 288 pw.print(prefix); pw.print("compat="); pw.println(compat); 289 if (instr != null) { 290 pw.print(prefix); pw.print("instr="); pw.println(instr); 291 } 292 pw.print(prefix); pw.print("thread="); pw.println(thread); 293 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 294 pw.println(starting); 295 pw.print(prefix); pw.print("lastActivityTime="); 296 TimeUtils.formatDuration(lastActivityTime, nowUptime, pw); 297 pw.print(" lastPssTime="); 298 TimeUtils.formatDuration(lastPssTime, nowUptime, pw); 299 pw.print(" pssStatType="); pw.print(pssStatType); 300 pw.print(" nextPssTime="); 301 TimeUtils.formatDuration(nextPssTime, nowUptime, pw); 302 pw.println(); 303 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 304 pw.print(" lruSeq="); pw.print(lruSeq); 305 pw.print(" lastPss="); DebugUtils.printSizeValue(pw, lastPss*1024); 306 pw.print(" lastSwapPss="); DebugUtils.printSizeValue(pw, lastSwapPss*1024); 307 pw.print(" lastCachedPss="); DebugUtils.printSizeValue(pw, lastCachedPss*1024); 308 pw.print(" lastCachedSwapPss="); DebugUtils.printSizeValue(pw, lastCachedSwapPss*1024); 309 pw.println(); 310 pw.print(prefix); pw.print("procStateMemTracker: "); 311 procStateMemTracker.dumpLine(pw); 312 pw.print(prefix); pw.print("cached="); pw.print(cached); 313 pw.print(" empty="); pw.println(empty); 314 if (serviceb) { 315 pw.print(prefix); pw.print("serviceb="); pw.print(serviceb); 316 pw.print(" serviceHighRam="); pw.println(serviceHighRam); 317 } 318 if (notCachedSinceIdle) { 319 pw.print(prefix); pw.print("notCachedSinceIdle="); pw.print(notCachedSinceIdle); 320 pw.print(" initialIdlePss="); pw.println(initialIdlePss); 321 } 322 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 323 pw.print(" curRaw="); pw.print(curRawAdj); 324 pw.print(" setRaw="); pw.print(setRawAdj); 325 pw.print(" cur="); pw.print(curAdj); 326 pw.print(" set="); pw.println(setAdj); 327 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 328 pw.print(" setSchedGroup="); pw.print(setSchedGroup); 329 pw.print(" systemNoUi="); pw.print(systemNoUi); 330 pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel); 331 if (vrThreadTid != 0) { 332 pw.print(prefix); pw.print("vrThreadTid="); pw.println(vrThreadTid); 333 } 334 pw.print(prefix); pw.print("curProcState="); pw.print(curProcState); 335 pw.print(" repProcState="); pw.print(repProcState); 336 pw.print(" pssProcState="); pw.print(pssProcState); 337 pw.print(" setProcState="); pw.print(setProcState); 338 pw.print(" lastStateTime="); 339 TimeUtils.formatDuration(lastStateTime, nowUptime, pw); 340 pw.println(); 341 if (hasShownUi || pendingUiClean || hasAboveClient || treatLikeActivity) { 342 pw.print(prefix); pw.print("hasShownUi="); pw.print(hasShownUi); 343 pw.print(" pendingUiClean="); pw.print(pendingUiClean); 344 pw.print(" hasAboveClient="); pw.print(hasAboveClient); 345 pw.print(" treatLikeActivity="); pw.println(treatLikeActivity); 346 } 347 if (hasTopUi || hasOverlayUi || runningRemoteAnimation) { 348 pw.print(prefix); pw.print("hasTopUi="); pw.print(hasTopUi); 349 pw.print(" hasOverlayUi="); pw.print(hasOverlayUi); 350 pw.print(" runningRemoteAnimation="); pw.println(runningRemoteAnimation); 351 } 352 if (foregroundServices || forcingToImportant != null) { 353 pw.print(prefix); pw.print("foregroundServices="); pw.print(foregroundServices); 354 pw.print(" forcingToImportant="); pw.println(forcingToImportant); 355 } 356 if (reportedInteraction || fgInteractionTime != 0) { 357 pw.print(prefix); pw.print("reportedInteraction="); 358 pw.print(reportedInteraction); 359 if (interactionEventTime != 0) { 360 pw.print(" time="); 361 TimeUtils.formatDuration(interactionEventTime, SystemClock.elapsedRealtime(), pw); 362 } 363 if (fgInteractionTime != 0) { 364 pw.print(" fgInteractionTime="); 365 TimeUtils.formatDuration(fgInteractionTime, SystemClock.elapsedRealtime(), pw); 366 } 367 pw.println(); 368 } 369 if (persistent || removed) { 370 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 371 pw.print(" removed="); pw.println(removed); 372 } 373 if (hasClientActivities || foregroundActivities || repForegroundActivities) { 374 pw.print(prefix); pw.print("hasClientActivities="); pw.print(hasClientActivities); 375 pw.print(" foregroundActivities="); pw.print(foregroundActivities); 376 pw.print(" (rep="); pw.print(repForegroundActivities); pw.println(")"); 377 } 378 if (lastProviderTime > 0) { 379 pw.print(prefix); pw.print("lastProviderTime="); 380 TimeUtils.formatDuration(lastProviderTime, nowUptime, pw); 381 pw.println(); 382 } 383 if (hasStartedServices) { 384 pw.print(prefix); pw.print("hasStartedServices="); pw.println(hasStartedServices); 385 } 386 if (pendingStart) { 387 pw.print(prefix); pw.print("pendingStart="); pw.println(pendingStart); 388 } 389 pw.print(prefix); pw.print("startSeq="); pw.println(startSeq); 390 if (setProcState > ActivityManager.PROCESS_STATE_SERVICE) { 391 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 392 if (lastCpuTime > 0) { 393 pw.print(" timeUsed="); 394 TimeUtils.formatDuration(curCpuTime - lastCpuTime, pw); 395 } 396 pw.print(" whenUnimportant="); 397 TimeUtils.formatDuration(whenUnimportant - nowUptime, pw); 398 pw.println(); 399 } 400 pw.print(prefix); pw.print("lastRequestedGc="); 401 TimeUtils.formatDuration(lastRequestedGc, nowUptime, pw); 402 pw.print(" lastLowMemory="); 403 TimeUtils.formatDuration(lastLowMemory, nowUptime, pw); 404 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 405 if (killed || killedByAm || waitingToKill != null) { 406 pw.print(prefix); pw.print("killed="); pw.print(killed); 407 pw.print(" killedByAm="); pw.print(killedByAm); 408 pw.print(" waitingToKill="); pw.println(waitingToKill); 409 } 410 if (debugging || crashing || crashDialog != null || notResponding 411 || anrDialog != null || bad) { 412 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 413 pw.print(" crashing="); pw.print(crashing); 414 pw.print(" "); pw.print(crashDialog); 415 pw.print(" notResponding="); pw.print(notResponding); 416 pw.print(" " ); pw.print(anrDialog); 417 pw.print(" bad="); pw.print(bad); 418 419 // crashing or notResponding is always set before errorReportReceiver 420 if (errorReportReceiver != null) { 421 pw.print(" errorReportReceiver="); 422 pw.print(errorReportReceiver.flattenToShortString()); 423 } 424 pw.println(); 425 } 426 if (whitelistManager) { 427 pw.print(prefix); pw.print("whitelistManager="); pw.println(whitelistManager); 428 } 429 if (isolatedEntryPoint != null || isolatedEntryPointArgs != null) { 430 pw.print(prefix); pw.print("isolatedEntryPoint="); pw.println(isolatedEntryPoint); 431 pw.print(prefix); pw.print("isolatedEntryPointArgs="); 432 pw.println(Arrays.toString(isolatedEntryPointArgs)); 433 } 434 if (activities.size() > 0) { 435 pw.print(prefix); pw.println("Activities:"); 436 for (int i=0; i<activities.size(); i++) { 437 pw.print(prefix); pw.print(" - "); pw.println(activities.get(i)); 438 } 439 } 440 if (recentTasks.size() > 0) { 441 pw.print(prefix); pw.println("Recent Tasks:"); 442 for (int i=0; i<recentTasks.size(); i++) { 443 pw.print(prefix); pw.print(" - "); pw.println(recentTasks.get(i)); 444 } 445 } 446 if (services.size() > 0) { 447 pw.print(prefix); pw.println("Services:"); 448 for (int i=0; i<services.size(); i++) { 449 pw.print(prefix); pw.print(" - "); pw.println(services.valueAt(i)); 450 } 451 } 452 if (executingServices.size() > 0) { 453 pw.print(prefix); pw.print("Executing Services (fg="); 454 pw.print(execServicesFg); pw.println(")"); 455 for (int i=0; i<executingServices.size(); i++) { 456 pw.print(prefix); pw.print(" - "); pw.println(executingServices.valueAt(i)); 457 } 458 } 459 if (connections.size() > 0) { 460 pw.print(prefix); pw.println("Connections:"); 461 for (int i=0; i<connections.size(); i++) { 462 pw.print(prefix); pw.print(" - "); pw.println(connections.valueAt(i)); 463 } 464 } 465 if (pubProviders.size() > 0) { 466 pw.print(prefix); pw.println("Published Providers:"); 467 for (int i=0; i<pubProviders.size(); i++) { 468 pw.print(prefix); pw.print(" - "); pw.println(pubProviders.keyAt(i)); 469 pw.print(prefix); pw.print(" -> "); pw.println(pubProviders.valueAt(i)); 470 } 471 } 472 if (conProviders.size() > 0) { 473 pw.print(prefix); pw.println("Connected Providers:"); 474 for (int i=0; i<conProviders.size(); i++) { 475 pw.print(prefix); pw.print(" - "); pw.println(conProviders.get(i).toShortString()); 476 } 477 } 478 if (!curReceivers.isEmpty()) { 479 pw.print(prefix); pw.println("Current Receivers:"); 480 for (int i=0; i < curReceivers.size(); i++) { 481 pw.print(prefix); pw.print(" - "); pw.println(curReceivers.valueAt(i)); 482 } 483 } 484 if (receivers.size() > 0) { 485 pw.print(prefix); pw.println("Receivers:"); 486 for (int i=0; i<receivers.size(); i++) { 487 pw.print(prefix); pw.print(" - "); pw.println(receivers.valueAt(i)); 488 } 489 } 490 } 491 ProcessRecord(ActivityManagerService _service, BatteryStatsImpl _batteryStats, ApplicationInfo _info, String _processName, int _uid)492 ProcessRecord(ActivityManagerService _service, BatteryStatsImpl _batteryStats, 493 ApplicationInfo _info, String _processName, int _uid) { 494 mService = _service; 495 mBatteryStats = _batteryStats; 496 info = _info; 497 isolated = _info.uid != _uid; 498 uid = _uid; 499 userId = UserHandle.getUserId(_uid); 500 processName = _processName; 501 pkgList.put(_info.packageName, new ProcessStats.ProcessStateHolder(_info.longVersionCode)); 502 maxAdj = ProcessList.UNKNOWN_ADJ; 503 curRawAdj = setRawAdj = ProcessList.INVALID_ADJ; 504 curAdj = setAdj = verifiedAdj = ProcessList.INVALID_ADJ; 505 persistent = false; 506 removed = false; 507 lastStateTime = lastPssTime = nextPssTime = SystemClock.uptimeMillis(); 508 } 509 setPid(int _pid)510 public void setPid(int _pid) { 511 pid = _pid; 512 procStatFile = null; 513 shortStringName = null; 514 stringName = null; 515 } 516 makeActive(IApplicationThread _thread, ProcessStatsService tracker)517 public void makeActive(IApplicationThread _thread, ProcessStatsService tracker) { 518 if (thread == null) { 519 final ProcessState origBase = baseProcessTracker; 520 if (origBase != null) { 521 origBase.setState(ProcessStats.STATE_NOTHING, 522 tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList); 523 origBase.makeInactive(); 524 } 525 baseProcessTracker = tracker.getProcessStateLocked(info.packageName, uid, 526 info.longVersionCode, processName); 527 baseProcessTracker.makeActive(); 528 for (int i=0; i<pkgList.size(); i++) { 529 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 530 if (holder.state != null && holder.state != origBase) { 531 holder.state.makeInactive(); 532 } 533 holder.state = tracker.getProcessStateLocked(pkgList.keyAt(i), uid, 534 info.longVersionCode, processName); 535 if (holder.state != baseProcessTracker) { 536 holder.state.makeActive(); 537 } 538 } 539 } 540 thread = _thread; 541 } 542 makeInactive(ProcessStatsService tracker)543 public void makeInactive(ProcessStatsService tracker) { 544 thread = null; 545 final ProcessState origBase = baseProcessTracker; 546 if (origBase != null) { 547 if (origBase != null) { 548 origBase.setState(ProcessStats.STATE_NOTHING, 549 tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList); 550 origBase.makeInactive(); 551 } 552 baseProcessTracker = null; 553 for (int i=0; i<pkgList.size(); i++) { 554 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 555 if (holder.state != null && holder.state != origBase) { 556 holder.state.makeInactive(); 557 } 558 holder.state = null; 559 } 560 } 561 } 562 clearRecentTasks()563 public void clearRecentTasks() { 564 for (int i = recentTasks.size() - 1; i >= 0; i--) { 565 recentTasks.get(i).clearRootProcess(); 566 } 567 recentTasks.clear(); 568 } 569 570 /** 571 * This method returns true if any of the activities within the process record are interesting 572 * to the user. See HistoryRecord.isInterestingToUserLocked() 573 */ isInterestingToUserLocked()574 public boolean isInterestingToUserLocked() { 575 final int size = activities.size(); 576 for (int i = 0 ; i < size ; i++) { 577 ActivityRecord r = activities.get(i); 578 if (r.isInterestingToUserLocked()) { 579 return true; 580 } 581 } 582 583 final int servicesSize = services.size(); 584 for (int i = 0; i < servicesSize; i++) { 585 ServiceRecord r = services.valueAt(i); 586 if (r.isForeground) { 587 return true; 588 } 589 } 590 return false; 591 } 592 stopFreezingAllLocked()593 public void stopFreezingAllLocked() { 594 int i = activities.size(); 595 while (i > 0) { 596 i--; 597 activities.get(i).stopFreezingScreenLocked(true); 598 } 599 } 600 unlinkDeathRecipient()601 public void unlinkDeathRecipient() { 602 if (deathRecipient != null && thread != null) { 603 thread.asBinder().unlinkToDeath(deathRecipient, 0); 604 } 605 deathRecipient = null; 606 } 607 updateHasAboveClientLocked()608 void updateHasAboveClientLocked() { 609 hasAboveClient = false; 610 for (int i=connections.size()-1; i>=0; i--) { 611 ConnectionRecord cr = connections.valueAt(i); 612 if ((cr.flags&Context.BIND_ABOVE_CLIENT) != 0) { 613 hasAboveClient = true; 614 break; 615 } 616 } 617 } 618 modifyRawOomAdj(int adj)619 int modifyRawOomAdj(int adj) { 620 if (hasAboveClient) { 621 // If this process has bound to any services with BIND_ABOVE_CLIENT, 622 // then we need to drop its adjustment to be lower than the service's 623 // in order to honor the request. We want to drop it by one adjustment 624 // level... but there is special meaning applied to various levels so 625 // we will skip some of them. 626 if (adj < ProcessList.FOREGROUND_APP_ADJ) { 627 // System process will not get dropped, ever 628 } else if (adj < ProcessList.VISIBLE_APP_ADJ) { 629 adj = ProcessList.VISIBLE_APP_ADJ; 630 } else if (adj < ProcessList.PERCEPTIBLE_APP_ADJ) { 631 adj = ProcessList.PERCEPTIBLE_APP_ADJ; 632 } else if (adj < ProcessList.CACHED_APP_MIN_ADJ) { 633 adj = ProcessList.CACHED_APP_MIN_ADJ; 634 } else if (adj < ProcessList.CACHED_APP_MAX_ADJ) { 635 adj++; 636 } 637 } 638 return adj; 639 } 640 scheduleCrash(String message)641 void scheduleCrash(String message) { 642 // Checking killedbyAm should keep it from showing the crash dialog if the process 643 // was already dead for a good / normal reason. 644 if (!killedByAm) { 645 if (thread != null) { 646 if (pid == Process.myPid()) { 647 Slog.w(TAG, "scheduleCrash: trying to crash system process!"); 648 return; 649 } 650 long ident = Binder.clearCallingIdentity(); 651 try { 652 thread.scheduleCrash(message); 653 } catch (RemoteException e) { 654 // If it's already dead our work is done. If it's wedged just kill it. 655 // We won't get the crash dialog or the error reporting. 656 kill("scheduleCrash for '" + message + "' failed", true); 657 } finally { 658 Binder.restoreCallingIdentity(ident); 659 } 660 } 661 } 662 } 663 kill(String reason, boolean noisy)664 void kill(String reason, boolean noisy) { 665 if (!killedByAm) { 666 Trace.traceBegin(Trace.TRACE_TAG_ACTIVITY_MANAGER, "kill"); 667 if (mService != null && (noisy || info.uid == mService.mCurOomAdjUid)) { 668 mService.reportUidInfoMessageLocked(TAG, 669 "Killing " + toShortString() + " (adj " + setAdj + "): " + reason, 670 info.uid); 671 } 672 if (pid > 0) { 673 EventLog.writeEvent(EventLogTags.AM_KILL, userId, pid, processName, setAdj, reason); 674 Process.killProcessQuiet(pid); 675 ActivityManagerService.killProcessGroup(uid, pid); 676 } else { 677 pendingStart = false; 678 } 679 if (!persistent) { 680 killed = true; 681 killedByAm = true; 682 } 683 Trace.traceEnd(Trace.TRACE_TAG_ACTIVITY_MANAGER); 684 } 685 } 686 writeToProto(ProtoOutputStream proto, long fieldId)687 public void writeToProto(ProtoOutputStream proto, long fieldId) { 688 long token = proto.start(fieldId); 689 proto.write(ProcessRecordProto.PID, pid); 690 proto.write(ProcessRecordProto.PROCESS_NAME, processName); 691 if (info.uid < Process.FIRST_APPLICATION_UID) { 692 proto.write(ProcessRecordProto.UID, uid); 693 } else { 694 proto.write(ProcessRecordProto.USER_ID, userId); 695 proto.write(ProcessRecordProto.APP_ID, UserHandle.getAppId(info.uid)); 696 if (uid != info.uid) { 697 proto.write(ProcessRecordProto.ISOLATED_APP_ID, UserHandle.getAppId(uid)); 698 } 699 } 700 proto.write(ProcessRecordProto.PERSISTENT, persistent); 701 proto.end(token); 702 } 703 toShortString()704 public String toShortString() { 705 if (shortStringName != null) { 706 return shortStringName; 707 } 708 StringBuilder sb = new StringBuilder(128); 709 toShortString(sb); 710 return shortStringName = sb.toString(); 711 } 712 toShortString(StringBuilder sb)713 void toShortString(StringBuilder sb) { 714 sb.append(pid); 715 sb.append(':'); 716 sb.append(processName); 717 sb.append('/'); 718 if (info.uid < Process.FIRST_APPLICATION_UID) { 719 sb.append(uid); 720 } else { 721 sb.append('u'); 722 sb.append(userId); 723 int appId = UserHandle.getAppId(info.uid); 724 if (appId >= Process.FIRST_APPLICATION_UID) { 725 sb.append('a'); 726 sb.append(appId - Process.FIRST_APPLICATION_UID); 727 } else { 728 sb.append('s'); 729 sb.append(appId); 730 } 731 if (uid != info.uid) { 732 sb.append('i'); 733 sb.append(UserHandle.getAppId(uid) - Process.FIRST_ISOLATED_UID); 734 } 735 } 736 } 737 toString()738 public String toString() { 739 if (stringName != null) { 740 return stringName; 741 } 742 StringBuilder sb = new StringBuilder(128); 743 sb.append("ProcessRecord{"); 744 sb.append(Integer.toHexString(System.identityHashCode(this))); 745 sb.append(' '); 746 toShortString(sb); 747 sb.append('}'); 748 return stringName = sb.toString(); 749 } 750 makeAdjReason()751 public String makeAdjReason() { 752 if (adjSource != null || adjTarget != null) { 753 StringBuilder sb = new StringBuilder(128); 754 sb.append(' '); 755 if (adjTarget instanceof ComponentName) { 756 sb.append(((ComponentName)adjTarget).flattenToShortString()); 757 } else if (adjTarget != null) { 758 sb.append(adjTarget.toString()); 759 } else { 760 sb.append("{null}"); 761 } 762 sb.append("<="); 763 if (adjSource instanceof ProcessRecord) { 764 sb.append("Proc{"); 765 sb.append(((ProcessRecord)adjSource).toShortString()); 766 sb.append("}"); 767 } else if (adjSource != null) { 768 sb.append(adjSource.toString()); 769 } else { 770 sb.append("{null}"); 771 } 772 return sb.toString(); 773 } 774 return null; 775 } 776 777 /* 778 * Return true if package has been added false if not 779 */ addPackage(String pkg, long versionCode, ProcessStatsService tracker)780 public boolean addPackage(String pkg, long versionCode, ProcessStatsService tracker) { 781 if (!pkgList.containsKey(pkg)) { 782 ProcessStats.ProcessStateHolder holder = new ProcessStats.ProcessStateHolder( 783 versionCode); 784 if (baseProcessTracker != null) { 785 holder.state = tracker.getProcessStateLocked( 786 pkg, uid, versionCode, processName); 787 pkgList.put(pkg, holder); 788 if (holder.state != baseProcessTracker) { 789 holder.state.makeActive(); 790 } 791 } else { 792 pkgList.put(pkg, holder); 793 } 794 return true; 795 } 796 return false; 797 } 798 getSetAdjWithServices()799 public int getSetAdjWithServices() { 800 if (setAdj >= ProcessList.CACHED_APP_MIN_ADJ) { 801 if (hasStartedServices) { 802 return ProcessList.SERVICE_B_ADJ; 803 } 804 } 805 return setAdj; 806 } 807 forceProcessStateUpTo(int newState)808 public void forceProcessStateUpTo(int newState) { 809 if (repProcState > newState) { 810 curProcState = repProcState = newState; 811 } 812 } 813 814 /* 815 * Delete all packages from list except the package indicated in info 816 */ resetPackageList(ProcessStatsService tracker)817 public void resetPackageList(ProcessStatsService tracker) { 818 final int N = pkgList.size(); 819 if (baseProcessTracker != null) { 820 long now = SystemClock.uptimeMillis(); 821 baseProcessTracker.setState(ProcessStats.STATE_NOTHING, 822 tracker.getMemFactorLocked(), now, pkgList); 823 if (N != 1) { 824 for (int i=0; i<N; i++) { 825 ProcessStats.ProcessStateHolder holder = pkgList.valueAt(i); 826 if (holder.state != null && holder.state != baseProcessTracker) { 827 holder.state.makeInactive(); 828 } 829 830 } 831 pkgList.clear(); 832 ProcessState ps = tracker.getProcessStateLocked( 833 info.packageName, uid, info.longVersionCode, processName); 834 ProcessStats.ProcessStateHolder holder = new ProcessStats.ProcessStateHolder( 835 info.longVersionCode); 836 holder.state = ps; 837 pkgList.put(info.packageName, holder); 838 if (ps != baseProcessTracker) { 839 ps.makeActive(); 840 } 841 } 842 } else if (N != 1) { 843 pkgList.clear(); 844 pkgList.put(info.packageName, new ProcessStats.ProcessStateHolder(info.longVersionCode)); 845 } 846 } 847 getPackageList()848 public String[] getPackageList() { 849 int size = pkgList.size(); 850 if (size == 0) { 851 return null; 852 } 853 String list[] = new String[size]; 854 for (int i=0; i<pkgList.size(); i++) { 855 list[i] = pkgList.keyAt(i); 856 } 857 return list; 858 } 859 } 860