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