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