ProcessRecord.java revision 78a369c90f61981c9d0ddd5fcbc77202bfbe74f6
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 com.android.internal.os.BatteryStatsImpl; 20 21import android.app.ActivityManager; 22import android.app.Dialog; 23import android.app.IApplicationThread; 24import android.app.IInstrumentationWatcher; 25import android.app.IUiAutomationConnection; 26import android.content.ComponentName; 27import android.content.Context; 28import android.content.pm.ApplicationInfo; 29import android.content.res.CompatibilityInfo; 30import android.os.Bundle; 31import android.os.IBinder; 32import android.os.Process; 33import android.os.SystemClock; 34import android.os.UserHandle; 35import android.util.ArrayMap; 36import android.util.PrintWriterPrinter; 37import android.util.TimeUtils; 38 39import java.io.PrintWriter; 40import java.util.ArrayList; 41import java.util.HashSet; 42 43/** 44 * Full information about a particular process that 45 * is currently running. 46 */ 47final class ProcessRecord { 48 final BatteryStatsImpl.Uid.Proc batteryStats; // where to collect runtime statistics 49 final ApplicationInfo info; // all about the first app in the process 50 final boolean isolated; // true if this is a special isolated process 51 final int uid; // uid of process; may be different from 'info' if isolated 52 final int userId; // user of process. 53 final String processName; // name of the process 54 final ProcessTracker.ProcessState baseProcessTracker; 55 // List of packages running in the process 56 final ArrayMap<String, ProcessTracker.ProcessState> pkgList 57 = new ArrayMap<String, ProcessTracker.ProcessState>(); 58 IApplicationThread thread; // the actual proc... may be null only if 59 // 'persistent' is true (in which case we 60 // are in the process of launching the app) 61 int pid; // The process of this application; 0 if none 62 boolean starting; // True if the process is being started 63 long lastActivityTime; // For managing the LRU list 64 long lruWeight; // Weight for ordering in LRU list 65 int maxAdj; // Maximum OOM adjustment for this process 66 int cachedAdj; // If cached, this is the adjustment to use 67 int clientCachedAdj; // If empty but cached client, this is the adjustment to use 68 int emptyAdj; // If empty, this is the adjustment to use 69 int curRawAdj; // Current OOM unlimited adjustment for this process 70 int setRawAdj; // Last set OOM unlimited adjustment for this process 71 int nonStoppingAdj; // Adjustment not counting any stopping activities 72 int curAdj; // Current OOM adjustment for this process 73 int setAdj; // Last set OOM adjustment for this process 74 int curSchedGroup; // Currently desired scheduling class 75 int setSchedGroup; // Last set to background scheduling class 76 int trimMemoryLevel; // Last selected memory trimming level 77 int memImportance; // Importance constant computed from curAdj 78 boolean serviceb; // Process currently is on the service B list 79 boolean keeping; // Actively running code so don't kill due to that? 80 boolean setIsForeground; // Running foreground UI when last set? 81 boolean hasActivities; // Are there any activities running in this process? 82 boolean hasClientActivities; // Are there any client services with activities? 83 boolean foregroundServices; // Running any services that are foreground? 84 boolean foregroundActivities; // Running any activities that are foreground? 85 boolean systemNoUi; // This is a system process, but not currently showing UI. 86 boolean hasShownUi; // Has UI been shown in this process since it was started? 87 boolean pendingUiClean; // Want to clean up resources from showing UI? 88 boolean hasAboveClient; // Bound using BIND_ABOVE_CLIENT, so want to be lower 89 boolean bad; // True if disabled in the bad process list 90 boolean killedBackground; // True when proc has been killed due to too many bg 91 boolean setAdjChanged; // Keep track of whether we changed 'setAdj'. 92 String waitingToKill; // Process is waiting to be killed when in the bg; reason 93 IBinder forcingToForeground;// Token that is forcing this process to be foreground 94 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 95 int lruSeq; // Sequence id for identifying LRU update cycles 96 CompatibilityInfo compat; // last used compatibility mode 97 IBinder.DeathRecipient deathRecipient; // Who is watching for the death. 98 ComponentName instrumentationClass;// class installed to instrument app 99 ApplicationInfo instrumentationInfo; // the application being instrumented 100 String instrumentationProfileFile; // where to save profiling 101 IInstrumentationWatcher instrumentationWatcher; // who is waiting 102 IUiAutomationConnection instrumentationUiAutomationConnection; // Connection to use the UI introspection APIs. 103 Bundle instrumentationArguments;// as given to us 104 ComponentName instrumentationResultClass;// copy of instrumentationClass 105 boolean usingWrapper; // Set to true when process was launched with a wrapper attached 106 BroadcastRecord curReceiver;// receiver currently running in the app 107 long lastWakeTime; // How long proc held wake lock at last check 108 long lastCpuTime; // How long proc has run CPU at last check 109 long curCpuTime; // How long proc has run CPU most recently 110 long lastRequestedGc; // When we last asked the app to do a gc 111 long lastLowMemory; // When we last told the app that memory is low 112 boolean reportLowMemory; // Set to true when waiting to report low mem 113 boolean empty; // Is this an empty background process? 114 boolean cached; // Is this a cached process? 115 int lastPss; // Last pss size reported by app. 116 String adjType; // Debugging: primary thing impacting oom_adj. 117 int adjTypeCode; // Debugging: adj code to report to app. 118 Object adjSource; // Debugging: option dependent object. 119 int adjSourceOom; // Debugging: oom_adj of adjSource's process. 120 Object adjTarget; // Debugging: target component impacting oom_adj. 121 122 // contains HistoryRecord objects 123 final ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>(); 124 // all ServiceRecord running in this process 125 final HashSet<ServiceRecord> services = new HashSet<ServiceRecord>(); 126 // services that are currently executing code (need to remain foreground). 127 final HashSet<ServiceRecord> executingServices 128 = new HashSet<ServiceRecord>(); 129 // All ConnectionRecord this process holds 130 final HashSet<ConnectionRecord> connections 131 = new HashSet<ConnectionRecord>(); 132 // all IIntentReceivers that are registered from this process. 133 final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>(); 134 // class (String) -> ContentProviderRecord 135 final ArrayMap<String, ContentProviderRecord> pubProviders 136 = new ArrayMap<String, ContentProviderRecord>(); 137 // All ContentProviderRecord process is using 138 final ArrayList<ContentProviderConnection> conProviders 139 = new ArrayList<ContentProviderConnection>(); 140 141 boolean persistent; // always keep this application running? 142 boolean crashing; // are we in the process of crashing? 143 Dialog crashDialog; // dialog being displayed due to crash. 144 boolean forceCrashReport; // suppress normal auto-dismiss of crash dialog & report UI? 145 boolean notResponding; // does the app have a not responding dialog? 146 Dialog anrDialog; // dialog being displayed due to app not resp. 147 boolean removed; // has app package been removed from device? 148 boolean debugging; // was app launched for debugging? 149 boolean waitedForDebugger; // has process show wait for debugger dialog? 150 Dialog waitDialog; // current wait for debugger dialog 151 152 String shortStringName; // caching of toShortString() result. 153 String stringName; // caching of toString() result. 154 155 // These reports are generated & stored when an app gets into an error condition. 156 // They will be "null" when all is OK. 157 ActivityManager.ProcessErrorStateInfo crashingReport; 158 ActivityManager.ProcessErrorStateInfo notRespondingReport; 159 160 // Who will be notified of the error. This is usually an activity in the 161 // app that installed the package. 162 ComponentName errorReportReceiver; 163 164 void dump(PrintWriter pw, String prefix) { 165 final long now = SystemClock.uptimeMillis(); 166 167 pw.print(prefix); pw.print("user #"); pw.print(userId); 168 pw.print(" uid="); pw.print(info.uid); 169 if (uid != info.uid) { 170 pw.print(" ISOLATED uid="); pw.print(uid); 171 } 172 pw.println(); 173 if (info.className != null) { 174 pw.print(prefix); pw.print("class="); pw.println(info.className); 175 } 176 if (info.manageSpaceActivityName != null) { 177 pw.print(prefix); pw.print("manageSpaceActivityName="); 178 pw.println(info.manageSpaceActivityName); 179 } 180 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 181 pw.print(" publicDir="); pw.print(info.publicSourceDir); 182 pw.print(" data="); pw.println(info.dataDir); 183 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 184 pw.print(prefix); pw.print("compat="); pw.println(compat); 185 if (instrumentationClass != null || instrumentationProfileFile != null 186 || instrumentationArguments != null) { 187 pw.print(prefix); pw.print("instrumentationClass="); 188 pw.print(instrumentationClass); 189 pw.print(" instrumentationProfileFile="); 190 pw.println(instrumentationProfileFile); 191 pw.print(prefix); pw.print("instrumentationArguments="); 192 pw.println(instrumentationArguments); 193 pw.print(prefix); pw.print("instrumentationInfo="); 194 pw.println(instrumentationInfo); 195 if (instrumentationInfo != null) { 196 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 197 } 198 } 199 pw.print(prefix); pw.print("thread="); pw.println(thread); 200 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 201 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 202 pw.print(prefix); pw.print("lastActivityTime="); 203 TimeUtils.formatDuration(lastActivityTime, now, pw); 204 pw.print(" lruWeight="); pw.print(lruWeight); 205 pw.print(" serviceb="); pw.print(serviceb); 206 pw.print(" keeping="); pw.print(keeping); 207 pw.print(" cached="); pw.print(cached); 208 pw.print(" empty="); pw.println(empty); 209 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 210 pw.print(" cached="); pw.print(cachedAdj); 211 pw.print(" client="); pw.print(clientCachedAdj); 212 pw.print(" empty="); pw.print(emptyAdj); 213 pw.print(" curRaw="); pw.print(curRawAdj); 214 pw.print(" setRaw="); pw.print(setRawAdj); 215 pw.print(" nonStopping="); pw.print(nonStoppingAdj); 216 pw.print(" cur="); pw.print(curAdj); 217 pw.print(" set="); pw.println(setAdj); 218 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 219 pw.print(" setSchedGroup="); pw.print(setSchedGroup); 220 pw.print(" systemNoUi="); pw.print(systemNoUi); 221 pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel); 222 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 223 pw.print(" lruSeq="); pw.println(lruSeq); 224 if (hasShownUi || pendingUiClean || hasAboveClient) { 225 pw.print(prefix); pw.print("hasShownUi="); pw.print(hasShownUi); 226 pw.print(" pendingUiClean="); pw.print(pendingUiClean); 227 pw.print(" hasAboveClient="); pw.println(hasAboveClient); 228 } 229 if (setIsForeground || foregroundServices || forcingToForeground != null) { 230 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 231 pw.print(" foregroundServices="); pw.print(foregroundServices); 232 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 233 } 234 if (persistent || removed) { 235 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 236 pw.print(" removed="); pw.println(removed); 237 } 238 if (hasActivities || hasClientActivities || foregroundActivities) { 239 pw.print(prefix); pw.print("hasActivities="); pw.print(hasActivities); 240 pw.print(" hasClientActivities="); pw.print(hasClientActivities); 241 pw.print(" foregroundActivities="); pw.println(foregroundActivities); 242 } 243 if (!keeping) { 244 long wtime; 245 synchronized (batteryStats.getBatteryStats()) { 246 wtime = batteryStats.getBatteryStats().getProcessWakeTime(info.uid, 247 pid, SystemClock.elapsedRealtime()); 248 } 249 long timeUsed = wtime - lastWakeTime; 250 pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime); 251 pw.print(" timeUsed="); 252 TimeUtils.formatDuration(timeUsed, pw); pw.println(""); 253 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 254 pw.print(" timeUsed="); 255 TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println(""); 256 } 257 pw.print(prefix); pw.print("lastRequestedGc="); 258 TimeUtils.formatDuration(lastRequestedGc, now, pw); 259 pw.print(" lastLowMemory="); 260 TimeUtils.formatDuration(lastLowMemory, now, pw); 261 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 262 if (killedBackground || waitingToKill != null) { 263 pw.print(prefix); pw.print("killedBackground="); pw.print(killedBackground); 264 pw.print(" waitingToKill="); pw.println(waitingToKill); 265 } 266 if (debugging || crashing || crashDialog != null || notResponding 267 || anrDialog != null || bad) { 268 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 269 pw.print(" crashing="); pw.print(crashing); 270 pw.print(" "); pw.print(crashDialog); 271 pw.print(" notResponding="); pw.print(notResponding); 272 pw.print(" " ); pw.print(anrDialog); 273 pw.print(" bad="); pw.print(bad); 274 275 // crashing or notResponding is always set before errorReportReceiver 276 if (errorReportReceiver != null) { 277 pw.print(" errorReportReceiver="); 278 pw.print(errorReportReceiver.flattenToShortString()); 279 } 280 pw.println(); 281 } 282 if (activities.size() > 0) { 283 pw.print(prefix); pw.println("Activities:"); 284 for (int i=0; i<activities.size(); i++) { 285 pw.print(prefix); pw.print(" - "); pw.println(activities.get(i)); 286 } 287 } 288 if (services.size() > 0) { 289 pw.print(prefix); pw.println("Services:"); 290 for (ServiceRecord sr : services) { 291 pw.print(prefix); pw.print(" - "); pw.println(sr); 292 } 293 } 294 if (executingServices.size() > 0) { 295 pw.print(prefix); pw.println("Executing Services:"); 296 for (ServiceRecord sr : executingServices) { 297 pw.print(prefix); pw.print(" - "); pw.println(sr); 298 } 299 } 300 if (connections.size() > 0) { 301 pw.print(prefix); pw.println("Connections:"); 302 for (ConnectionRecord cr : connections) { 303 pw.print(prefix); pw.print(" - "); pw.println(cr); 304 } 305 } 306 if (pubProviders.size() > 0) { 307 pw.print(prefix); pw.println("Published Providers:"); 308 for (int i=0; i<pubProviders.size(); i++) { 309 pw.print(prefix); pw.print(" - "); pw.println(pubProviders.keyAt(i)); 310 pw.print(prefix); pw.print(" -> "); pw.println(pubProviders.valueAt(i)); 311 } 312 } 313 if (conProviders.size() > 0) { 314 pw.print(prefix); pw.println("Connected Providers:"); 315 for (int i=0; i<conProviders.size(); i++) { 316 pw.print(prefix); pw.print(" - "); pw.println(conProviders.get(i).toShortString()); 317 } 318 } 319 if (curReceiver != null) { 320 pw.print(prefix); pw.print("curReceiver="); pw.println(curReceiver); 321 } 322 if (receivers.size() > 0) { 323 pw.print(prefix); pw.println("Receivers:"); 324 for (ReceiverList rl : receivers) { 325 pw.print(prefix); pw.print(" - "); pw.println(rl); 326 } 327 } 328 } 329 330 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 331 ApplicationInfo _info, String _processName, int _uid, 332 ProcessTracker.ProcessState tracker) { 333 batteryStats = _batteryStats; 334 info = _info; 335 isolated = _info.uid != _uid; 336 uid = _uid; 337 userId = UserHandle.getUserId(_uid); 338 processName = _processName; 339 baseProcessTracker = tracker; 340 pkgList.put(_info.packageName, tracker); 341 thread = _thread; 342 maxAdj = ProcessList.CACHED_APP_MAX_ADJ; 343 cachedAdj = clientCachedAdj = emptyAdj = ProcessList.CACHED_APP_MIN_ADJ; 344 curRawAdj = setRawAdj = -100; 345 curAdj = setAdj = -100; 346 persistent = false; 347 removed = false; 348 } 349 350 public void setPid(int _pid) { 351 pid = _pid; 352 shortStringName = null; 353 stringName = null; 354 } 355 356 /** 357 * This method returns true if any of the activities within the process record are interesting 358 * to the user. See HistoryRecord.isInterestingToUserLocked() 359 */ 360 public boolean isInterestingToUserLocked() { 361 final int size = activities.size(); 362 for (int i = 0 ; i < size ; i++) { 363 ActivityRecord r = activities.get(i); 364 if (r.isInterestingToUserLocked()) { 365 return true; 366 } 367 } 368 return false; 369 } 370 371 public void stopFreezingAllLocked() { 372 int i = activities.size(); 373 while (i > 0) { 374 i--; 375 activities.get(i).stopFreezingScreenLocked(true); 376 } 377 } 378 379 public void unlinkDeathRecipient() { 380 if (deathRecipient != null && thread != null) { 381 thread.asBinder().unlinkToDeath(deathRecipient, 0); 382 } 383 deathRecipient = null; 384 } 385 386 void updateHasAboveClientLocked() { 387 hasAboveClient = false; 388 if (connections.size() > 0) { 389 for (ConnectionRecord cr : connections) { 390 if ((cr.flags&Context.BIND_ABOVE_CLIENT) != 0) { 391 hasAboveClient = true; 392 break; 393 } 394 } 395 } 396 } 397 398 public String toShortString() { 399 if (shortStringName != null) { 400 return shortStringName; 401 } 402 StringBuilder sb = new StringBuilder(128); 403 toShortString(sb); 404 return shortStringName = sb.toString(); 405 } 406 407 void toShortString(StringBuilder sb) { 408 sb.append(pid); 409 sb.append(':'); 410 sb.append(processName); 411 sb.append('/'); 412 if (info.uid < Process.FIRST_APPLICATION_UID) { 413 sb.append(uid); 414 } else { 415 sb.append('u'); 416 sb.append(userId); 417 sb.append('a'); 418 sb.append(UserHandle.getAppId(info.uid)); 419 if (uid != info.uid) { 420 sb.append('i'); 421 sb.append(UserHandle.getAppId(uid) - Process.FIRST_ISOLATED_UID); 422 } 423 } 424 } 425 426 public String toString() { 427 if (stringName != null) { 428 return stringName; 429 } 430 StringBuilder sb = new StringBuilder(128); 431 sb.append("ProcessRecord{"); 432 sb.append(Integer.toHexString(System.identityHashCode(this))); 433 sb.append(' '); 434 toShortString(sb); 435 sb.append('}'); 436 return stringName = sb.toString(); 437 } 438 439 /* 440 * Return true if package has been added false if not 441 */ 442 public boolean addPackage(String pkg, ProcessTracker tracker) { 443 if (!pkgList.containsKey(pkg)) { 444 pkgList.put(pkg, tracker.getProcessStateLocked(pkg, info.uid, processName)); 445 return true; 446 } 447 return false; 448 } 449 450 public void setProcessTrackerState(ProcessRecord TOP_APP, int memFactor, long now, 451 ProcessList plist) { 452 int state = this == TOP_APP ? ProcessTracker.STATE_TOP 453 : plist.adjToTrackedState(setAdj); 454 for (int ip=pkgList.size()-1; ip>=0; ip--) { 455 pkgList.valueAt(ip).setState(state, memFactor, now); 456 } 457 } 458 459 /* 460 * Delete all packages from list except the package indicated in info 461 */ 462 public void resetPackageList() { 463 long now = SystemClock.uptimeMillis(); 464 for (int i=0; i<pkgList.size(); i++) { 465 pkgList.valueAt(i).setState(ProcessTracker.STATE_NOTHING, 0, now); 466 } 467 pkgList.clear(); 468 pkgList.put(info.packageName, baseProcessTracker); 469 } 470 471 public String[] getPackageList() { 472 int size = pkgList.size(); 473 if (size == 0) { 474 return null; 475 } 476 String list[] = new String[size]; 477 for (int i=0; i<pkgList.size(); i++) { 478 list[i] = pkgList.keyAt(i); 479 } 480 return list; 481 } 482} 483