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