ProcessRecord.java revision 6ae8d1821822296df0606c9cd1c46708cc21cb58
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.content.ComponentName; 26import android.content.Context; 27import android.content.pm.ApplicationInfo; 28import android.content.res.CompatibilityInfo; 29import android.os.Bundle; 30import android.os.IBinder; 31import android.os.Process; 32import android.os.SystemClock; 33import android.os.UserId; 34import android.util.PrintWriterPrinter; 35import android.util.TimeUtils; 36 37import java.io.PrintWriter; 38import java.util.ArrayList; 39import java.util.HashMap; 40import java.util.HashSet; 41 42/** 43 * Full information about a particular process that 44 * is currently running. 45 */ 46class 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 boolean serviceb; // Process currently is on the service B list 73 boolean keeping; // Actively running code so don't kill due to that? 74 boolean setIsForeground; // Running foreground UI when last set? 75 boolean foregroundServices; // Running any services that are foreground? 76 boolean foregroundActivities; // Running any activities that are foreground? 77 boolean systemNoUi; // This is a system process, but not currently showing UI. 78 boolean hasShownUi; // Has UI been shown in this process since it was started? 79 boolean pendingUiClean; // Want to clean up resources from showing UI? 80 boolean hasAboveClient; // Bound using BIND_ABOVE_CLIENT, so want to be lower 81 boolean bad; // True if disabled in the bad process list 82 boolean killedBackground; // True when proc has been killed due to too many bg 83 String waitingToKill; // Process is waiting to be killed when in the bg; reason 84 IBinder forcingToForeground;// Token that is forcing this process to be foreground 85 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 86 int lruSeq; // Sequence id for identifying LRU update cycles 87 CompatibilityInfo compat; // last used compatibility mode 88 IBinder.DeathRecipient deathRecipient; // Who is watching for the death. 89 ComponentName instrumentationClass;// class installed to instrument app 90 ApplicationInfo instrumentationInfo; // the application being instrumented 91 String instrumentationProfileFile; // where to save profiling 92 IInstrumentationWatcher instrumentationWatcher; // who is waiting 93 Bundle instrumentationArguments;// as given to us 94 ComponentName instrumentationResultClass;// copy of instrumentationClass 95 boolean usingWrapper; // Set to true when process was launched with a wrapper attached 96 BroadcastRecord curReceiver;// receiver currently running in the app 97 long lastWakeTime; // How long proc held wake lock at last check 98 long lastCpuTime; // How long proc has run CPU at last check 99 long curCpuTime; // How long proc has run CPU most recently 100 long lastRequestedGc; // When we last asked the app to do a gc 101 long lastLowMemory; // When we last told the app that memory is low 102 boolean reportLowMemory; // Set to true when waiting to report low mem 103 boolean empty; // Is this an empty background process? 104 boolean hidden; // Is this a hidden process? 105 int lastPss; // Last pss size reported by app. 106 String adjType; // Debugging: primary thing impacting oom_adj. 107 int adjTypeCode; // Debugging: adj code to report to app. 108 Object adjSource; // Debugging: option dependent object. 109 int adjSourceOom; // Debugging: oom_adj of adjSource's process. 110 Object adjTarget; // Debugging: target component impacting oom_adj. 111 112 // contains HistoryRecord objects 113 final ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>(); 114 // all ServiceRecord running in this process 115 final HashSet<ServiceRecord> services = new HashSet<ServiceRecord>(); 116 // services that are currently executing code (need to remain foreground). 117 final HashSet<ServiceRecord> executingServices 118 = new HashSet<ServiceRecord>(); 119 // All ConnectionRecord this process holds 120 final HashSet<ConnectionRecord> connections 121 = new HashSet<ConnectionRecord>(); 122 // all IIntentReceivers that are registered from this process. 123 final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>(); 124 // class (String) -> ContentProviderRecord 125 final HashMap<String, ContentProviderRecord> pubProviders 126 = new HashMap<String, ContentProviderRecord>(); 127 // All ContentProviderRecord process is using 128 final ArrayList<ContentProviderConnection> conProviders 129 = new ArrayList<ContentProviderConnection>(); 130 131 boolean persistent; // always keep this application running? 132 boolean crashing; // are we in the process of crashing? 133 Dialog crashDialog; // dialog being displayed due to crash. 134 boolean notResponding; // does the app have a not responding dialog? 135 Dialog anrDialog; // dialog being displayed due to app not resp. 136 boolean removed; // has app package been removed from device? 137 boolean debugging; // was app launched for debugging? 138 boolean waitedForDebugger; // has process show wait for debugger dialog? 139 Dialog waitDialog; // current wait for debugger dialog 140 141 String shortStringName; // caching of toShortString() result. 142 String stringName; // caching of toString() result. 143 144 // These reports are generated & stored when an app gets into an error condition. 145 // They will be "null" when all is OK. 146 ActivityManager.ProcessErrorStateInfo crashingReport; 147 ActivityManager.ProcessErrorStateInfo notRespondingReport; 148 149 // Who will be notified of the error. This is usually an activity in the 150 // app that installed the package. 151 ComponentName errorReportReceiver; 152 153 void dump(PrintWriter pw, String prefix) { 154 final long now = SystemClock.uptimeMillis(); 155 156 pw.print(prefix); pw.print("user #"); pw.print(userId); 157 pw.print(" uid="); pw.print(info.uid); 158 if (uid != info.uid) { 159 pw.print(" ISOLATED uid="); pw.print(uid); 160 } 161 pw.println(); 162 if (info.className != null) { 163 pw.print(prefix); pw.print("class="); pw.println(info.className); 164 } 165 if (info.manageSpaceActivityName != null) { 166 pw.print(prefix); pw.print("manageSpaceActivityName="); 167 pw.println(info.manageSpaceActivityName); 168 } 169 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 170 pw.print(" publicDir="); pw.print(info.publicSourceDir); 171 pw.print(" data="); pw.println(info.dataDir); 172 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 173 pw.print(prefix); pw.print("compat="); pw.println(compat); 174 if (instrumentationClass != null || instrumentationProfileFile != null 175 || instrumentationArguments != null) { 176 pw.print(prefix); pw.print("instrumentationClass="); 177 pw.print(instrumentationClass); 178 pw.print(" instrumentationProfileFile="); 179 pw.println(instrumentationProfileFile); 180 pw.print(prefix); pw.print("instrumentationArguments="); 181 pw.println(instrumentationArguments); 182 pw.print(prefix); pw.print("instrumentationInfo="); 183 pw.println(instrumentationInfo); 184 if (instrumentationInfo != null) { 185 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 186 } 187 } 188 pw.print(prefix); pw.print("thread="); pw.print(thread); 189 pw.print(" curReceiver="); pw.println(curReceiver); 190 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 191 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 192 pw.print(prefix); pw.print("lastActivityTime="); 193 TimeUtils.formatDuration(lastActivityTime, now, pw); 194 pw.print(" lruWeight="); pw.print(lruWeight); 195 pw.print(" serviceb="); pw.print(serviceb); 196 pw.print(" keeping="); pw.print(keeping); 197 pw.print(" hidden="); pw.print(hidden); 198 pw.print(" empty="); pw.println(empty); 199 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 200 pw.print(" hidden="); pw.print(hiddenAdj); 201 pw.print(" curRaw="); pw.print(curRawAdj); 202 pw.print(" setRaw="); pw.print(setRawAdj); 203 pw.print(" nonStopping="); pw.print(nonStoppingAdj); 204 pw.print(" cur="); pw.print(curAdj); 205 pw.print(" set="); pw.println(setAdj); 206 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 207 pw.print(" setSchedGroup="); pw.print(setSchedGroup); 208 pw.print(" systemNoUi="); pw.print(systemNoUi); 209 pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel); 210 pw.print(prefix); pw.print("hasShownUi="); pw.print(hasShownUi); 211 pw.print(" pendingUiClean="); pw.print(pendingUiClean); 212 pw.print(" hasAboveClient="); pw.println(hasAboveClient); 213 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 214 pw.print(" foregroundServices="); pw.print(foregroundServices); 215 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 216 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 217 pw.print(" removed="); pw.println(removed); 218 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 219 pw.print(" lruSeq="); pw.println(lruSeq); 220 if (!keeping) { 221 long wtime; 222 synchronized (batteryStats.getBatteryStats()) { 223 wtime = batteryStats.getBatteryStats().getProcessWakeTime(info.uid, 224 pid, SystemClock.elapsedRealtime()); 225 } 226 long timeUsed = wtime - lastWakeTime; 227 pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime); 228 pw.print(" time used="); 229 TimeUtils.formatDuration(timeUsed, pw); pw.println(""); 230 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 231 pw.print(" time used="); 232 TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println(""); 233 } 234 pw.print(prefix); pw.print("lastRequestedGc="); 235 TimeUtils.formatDuration(lastRequestedGc, now, pw); 236 pw.print(" lastLowMemory="); 237 TimeUtils.formatDuration(lastLowMemory, now, pw); 238 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 239 if (killedBackground || waitingToKill != null) { 240 pw.print(prefix); pw.print("killedBackground="); pw.print(killedBackground); 241 pw.print(" waitingToKill="); pw.println(waitingToKill); 242 } 243 if (debugging || crashing || crashDialog != null || notResponding 244 || anrDialog != null || bad) { 245 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 246 pw.print(" crashing="); pw.print(crashing); 247 pw.print(" "); pw.print(crashDialog); 248 pw.print(" notResponding="); pw.print(notResponding); 249 pw.print(" " ); pw.print(anrDialog); 250 pw.print(" bad="); pw.print(bad); 251 252 // crashing or notResponding is always set before errorReportReceiver 253 if (errorReportReceiver != null) { 254 pw.print(" errorReportReceiver="); 255 pw.print(errorReportReceiver.flattenToShortString()); 256 } 257 pw.println(); 258 } 259 if (activities.size() > 0) { 260 pw.print(prefix); pw.println("Activities:"); 261 for (int i=0; i<activities.size(); i++) { 262 pw.print(prefix); pw.print(" - "); pw.println(activities.get(i)); 263 } 264 } 265 if (services.size() > 0) { 266 pw.print(prefix); pw.println("Services:"); 267 for (ServiceRecord sr : services) { 268 pw.print(prefix); pw.print(" - "); pw.println(sr); 269 } 270 } 271 if (executingServices.size() > 0) { 272 pw.print(prefix); pw.println("Executing Services:"); 273 for (ServiceRecord sr : executingServices) { 274 pw.print(prefix); pw.print(" - "); pw.println(sr); 275 } 276 } 277 if (connections.size() > 0) { 278 pw.print(prefix); pw.println("Connections:"); 279 for (ConnectionRecord cr : connections) { 280 pw.print(prefix); pw.print(" - "); pw.println(cr); 281 } 282 } 283 if (pubProviders.size() > 0) { 284 pw.print(prefix); pw.println("Published Providers:"); 285 for (HashMap.Entry<String, ContentProviderRecord> ent : pubProviders.entrySet()) { 286 pw.print(prefix); pw.print(" - "); pw.println(ent.getKey()); 287 pw.print(prefix); pw.print(" -> "); pw.println(ent.getValue()); 288 } 289 } 290 if (conProviders.size() > 0) { 291 pw.print(prefix); pw.println("Connected Providers:"); 292 for (int i=0; i<conProviders.size(); i++) { 293 pw.print(prefix); pw.print(" - "); pw.println(conProviders.get(i).toShortString()); 294 } 295 } 296 if (receivers.size() > 0) { 297 pw.print(prefix); pw.println("Receivers:"); 298 for (ReceiverList rl : receivers) { 299 pw.print(prefix); pw.print(" - "); pw.println(rl); 300 } 301 } 302 } 303 304 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 305 ApplicationInfo _info, String _processName, int _uid) { 306 batteryStats = _batteryStats; 307 info = _info; 308 isolated = _info.uid != _uid; 309 uid = _uid; 310 userId = UserId.getUserId(_uid); 311 processName = _processName; 312 pkgList.add(_info.packageName); 313 thread = _thread; 314 maxAdj = ProcessList.HIDDEN_APP_MAX_ADJ; 315 hiddenAdj = ProcessList.HIDDEN_APP_MIN_ADJ; 316 curRawAdj = setRawAdj = -100; 317 curAdj = setAdj = -100; 318 persistent = false; 319 removed = false; 320 } 321 322 public void setPid(int _pid) { 323 pid = _pid; 324 shortStringName = null; 325 stringName = null; 326 } 327 328 /** 329 * This method returns true if any of the activities within the process record are interesting 330 * to the user. See HistoryRecord.isInterestingToUserLocked() 331 */ 332 public boolean isInterestingToUserLocked() { 333 final int size = activities.size(); 334 for (int i = 0 ; i < size ; i++) { 335 ActivityRecord r = activities.get(i); 336 if (r.isInterestingToUserLocked()) { 337 return true; 338 } 339 } 340 return false; 341 } 342 343 public void stopFreezingAllLocked() { 344 int i = activities.size(); 345 while (i > 0) { 346 i--; 347 activities.get(i).stopFreezingScreenLocked(true); 348 } 349 } 350 351 public void unlinkDeathRecipient() { 352 if (deathRecipient != null && thread != null) { 353 thread.asBinder().unlinkToDeath(deathRecipient, 0); 354 } 355 deathRecipient = null; 356 } 357 358 void updateHasAboveClientLocked() { 359 hasAboveClient = false; 360 if (connections.size() > 0) { 361 for (ConnectionRecord cr : connections) { 362 if ((cr.flags&Context.BIND_ABOVE_CLIENT) != 0) { 363 hasAboveClient = true; 364 break; 365 } 366 } 367 } 368 } 369 370 public String toShortString() { 371 if (shortStringName != null) { 372 return shortStringName; 373 } 374 StringBuilder sb = new StringBuilder(128); 375 toShortString(sb); 376 return shortStringName = sb.toString(); 377 } 378 379 void toShortString(StringBuilder sb) { 380 sb.append(pid); 381 sb.append(':'); 382 sb.append(processName); 383 sb.append('/'); 384 if (info.uid < Process.FIRST_APPLICATION_UID) { 385 sb.append(uid); 386 } else { 387 sb.append('u'); 388 sb.append(userId); 389 sb.append('a'); 390 sb.append(info.uid%Process.FIRST_APPLICATION_UID); 391 if (uid != info.uid) { 392 sb.append('i'); 393 sb.append(UserId.getAppId(uid) - Process.FIRST_ISOLATED_UID); 394 } 395 } 396 } 397 398 public String toString() { 399 if (stringName != null) { 400 return stringName; 401 } 402 StringBuilder sb = new StringBuilder(128); 403 sb.append("ProcessRecord{"); 404 sb.append(Integer.toHexString(System.identityHashCode(this))); 405 sb.append(' '); 406 toShortString(sb); 407 sb.append('}'); 408 return stringName = sb.toString(); 409 } 410 411 /* 412 * Return true if package has been added false if not 413 */ 414 public boolean addPackage(String pkg) { 415 if (!pkgList.contains(pkg)) { 416 pkgList.add(pkg); 417 return true; 418 } 419 return false; 420 } 421 422 /* 423 * Delete all packages from list except the package indicated in info 424 */ 425 public void resetPackageList() { 426 pkgList.clear(); 427 pkgList.add(info.packageName); 428 } 429 430 public String[] getPackageList() { 431 int size = pkgList.size(); 432 if (size == 0) { 433 return null; 434 } 435 String list[] = new String[size]; 436 pkgList.toArray(list); 437 return list; 438 } 439} 440