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