ProcessRecord.java revision 0c5001d776d56bae02a5cc2663286a125d99bc5e
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.pm.ApplicationInfo; 27import android.os.Bundle; 28import android.os.IBinder; 29import android.os.SystemClock; 30import android.util.PrintWriterPrinter; 31import android.util.TimeUtils; 32 33import java.io.PrintWriter; 34import java.util.ArrayList; 35import java.util.HashMap; 36import java.util.HashSet; 37 38/** 39 * Full information about a particular process that 40 * is currently running. 41 */ 42class ProcessRecord { 43 final BatteryStatsImpl.Uid.Proc batteryStats; // where to collect runtime statistics 44 final ApplicationInfo info; // all about the first app in the process 45 final String processName; // name of the process 46 // List of packages running in the process 47 final HashSet<String> pkgList = new HashSet<String>(); 48 IApplicationThread thread; // the actual proc... may be null only if 49 // 'persistent' is true (in which case we 50 // are in the process of launching the app) 51 int pid; // The process of this application; 0 if none 52 boolean starting; // True if the process is being started 53 long lastActivityTime; // For managing the LRU list 54 long lruWeight; // Weight for ordering in LRU list 55 int maxAdj; // Maximum OOM adjustment for this process 56 int hiddenAdj; // If hidden, this is the adjustment to use 57 int curRawAdj; // Current OOM unlimited adjustment for this process 58 int setRawAdj; // Last set OOM unlimited adjustment for this process 59 int curAdj; // Current OOM adjustment for this process 60 int setAdj; // Last set OOM adjustment for this process 61 int curSchedGroup; // Currently desired scheduling class 62 int setSchedGroup; // Last set to background scheduling class 63 boolean keeping; // Actively running code so don't kill due to that? 64 boolean setIsForeground; // Running foreground UI when last set? 65 boolean foregroundServices; // Running any services that are foreground? 66 boolean bad; // True if disabled in the bad process list 67 boolean killedBackground; // True when proc has been killed due to too many bg 68 String waitingToKill; // Process is waiting to be killed when in the bg; reason 69 IBinder forcingToForeground;// Token that is forcing this process to be foreground 70 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 71 int lruSeq; // Sequence id for identifying LRU update cycles 72 ComponentName instrumentationClass;// class installed to instrument app 73 ApplicationInfo instrumentationInfo; // the application being instrumented 74 String instrumentationProfileFile; // where to save profiling 75 IInstrumentationWatcher instrumentationWatcher; // who is waiting 76 Bundle instrumentationArguments;// as given to us 77 ComponentName instrumentationResultClass;// copy of instrumentationClass 78 BroadcastRecord curReceiver;// receiver currently running in the app 79 long lastWakeTime; // How long proc held wake lock at last check 80 long lastCpuTime; // How long proc has run CPU at last check 81 long curCpuTime; // How long proc has run CPU most recently 82 long lastRequestedGc; // When we last asked the app to do a gc 83 long lastLowMemory; // When we last told the app that memory is low 84 boolean reportLowMemory; // Set to true when waiting to report low mem 85 boolean empty; // Is this an empty background process? 86 boolean hidden; // Is this a hidden process? 87 int lastPss; // Last pss size reported by app. 88 String adjType; // Debugging: primary thing impacting oom_adj. 89 int adjTypeCode; // Debugging: adj code to report to app. 90 Object adjSource; // Debugging: option dependent object. 91 Object adjTarget; // Debugging: target component impacting oom_adj. 92 93 // contains HistoryRecord objects 94 final ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>(); 95 // all ServiceRecord running in this process 96 final HashSet<ServiceRecord> services = new HashSet<ServiceRecord>(); 97 // services that are currently executing code (need to remain foreground). 98 final HashSet<ServiceRecord> executingServices 99 = new HashSet<ServiceRecord>(); 100 // All ConnectionRecord this process holds 101 final HashSet<ConnectionRecord> connections 102 = new HashSet<ConnectionRecord>(); 103 // all IIntentReceivers that are registered from this process. 104 final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>(); 105 // class (String) -> ContentProviderRecord 106 final HashMap<String, ContentProviderRecord> pubProviders 107 = new HashMap<String, ContentProviderRecord>(); 108 // All ContentProviderRecord process is using 109 final HashMap<ContentProviderRecord, Integer> conProviders 110 = new HashMap<ContentProviderRecord, Integer>(); 111 112 boolean persistent; // always keep this application running? 113 boolean crashing; // are we in the process of crashing? 114 Dialog crashDialog; // dialog being displayed due to crash. 115 boolean notResponding; // does the app have a not responding dialog? 116 Dialog anrDialog; // dialog being displayed due to app not resp. 117 boolean removed; // has app package been removed from device? 118 boolean debugging; // was app launched for debugging? 119 boolean waitedForDebugger; // has process show wait for debugger dialog? 120 Dialog waitDialog; // current wait for debugger dialog 121 122 String shortStringName; // caching of toShortString() result. 123 String stringName; // caching of toString() result. 124 125 // These reports are generated & stored when an app gets into an error condition. 126 // They will be "null" when all is OK. 127 ActivityManager.ProcessErrorStateInfo crashingReport; 128 ActivityManager.ProcessErrorStateInfo notRespondingReport; 129 130 // Who will be notified of the error. This is usually an activity in the 131 // app that installed the package. 132 ComponentName errorReportReceiver; 133 134 void dump(PrintWriter pw, String prefix) { 135 final long now = SystemClock.uptimeMillis(); 136 137 if (info.className != null) { 138 pw.print(prefix); pw.print("class="); pw.println(info.className); 139 } 140 if (info.manageSpaceActivityName != null) { 141 pw.print(prefix); pw.print("manageSpaceActivityName="); 142 pw.println(info.manageSpaceActivityName); 143 } 144 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 145 pw.print(" publicDir="); pw.print(info.publicSourceDir); 146 pw.print(" data="); pw.println(info.dataDir); 147 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 148 if (instrumentationClass != null || instrumentationProfileFile != null 149 || instrumentationArguments != null) { 150 pw.print(prefix); pw.print("instrumentationClass="); 151 pw.print(instrumentationClass); 152 pw.print(" instrumentationProfileFile="); 153 pw.println(instrumentationProfileFile); 154 pw.print(prefix); pw.print("instrumentationArguments="); 155 pw.println(instrumentationArguments); 156 pw.print(prefix); pw.print("instrumentationInfo="); 157 pw.println(instrumentationInfo); 158 if (instrumentationInfo != null) { 159 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 160 } 161 } 162 pw.print(prefix); pw.print("thread="); pw.print(thread); 163 pw.print(" curReceiver="); pw.println(curReceiver); 164 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 165 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 166 pw.print(prefix); pw.print("lastActivityTime="); 167 TimeUtils.formatDuration(lastActivityTime, now, pw); 168 pw.print(" lruWeight="); pw.print(lruWeight); 169 pw.print(" keeping="); pw.print(keeping); 170 pw.print(" hidden="); pw.print(hidden); 171 pw.print(" empty="); pw.println(empty); 172 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 173 pw.print(" hidden="); pw.print(hiddenAdj); 174 pw.print(" curRaw="); pw.print(curRawAdj); 175 pw.print(" setRaw="); pw.print(setRawAdj); 176 pw.print(" cur="); pw.print(curAdj); 177 pw.print(" set="); pw.println(setAdj); 178 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 179 pw.print(" setSchedGroup="); pw.println(setSchedGroup); 180 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 181 pw.print(" foregroundServices="); pw.print(foregroundServices); 182 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 183 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 184 pw.print(" removed="); pw.println(removed); 185 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 186 pw.print(" lruSeq="); pw.println(lruSeq); 187 if (!keeping) { 188 long wtime; 189 synchronized (batteryStats.getBatteryStats()) { 190 wtime = batteryStats.getBatteryStats().getProcessWakeTime(info.uid, 191 pid, SystemClock.elapsedRealtime()); 192 } 193 long timeUsed = wtime - lastWakeTime; 194 pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime); 195 pw.print(" time used="); 196 TimeUtils.formatDuration(timeUsed, pw); pw.println(""); 197 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 198 pw.print(" time used="); 199 TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println(""); 200 } 201 pw.print(prefix); pw.print("lastRequestedGc="); 202 TimeUtils.formatDuration(lastRequestedGc, now, pw); 203 pw.print(" lastLowMemory="); 204 TimeUtils.formatDuration(lastLowMemory, now, pw); 205 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 206 if (killedBackground || waitingToKill != null) { 207 pw.print(prefix); pw.print("killedBackground="); pw.print(killedBackground); 208 pw.print(" waitingToKill="); pw.println(waitingToKill); 209 } 210 if (debugging || crashing || crashDialog != null || notResponding 211 || anrDialog != null || bad) { 212 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 213 pw.print(" crashing="); pw.print(crashing); 214 pw.print(" "); pw.print(crashDialog); 215 pw.print(" notResponding="); pw.print(notResponding); 216 pw.print(" " ); pw.print(anrDialog); 217 pw.print(" bad="); pw.print(bad); 218 219 // crashing or notResponding is always set before errorReportReceiver 220 if (errorReportReceiver != null) { 221 pw.print(" errorReportReceiver="); 222 pw.print(errorReportReceiver.flattenToShortString()); 223 } 224 pw.println(); 225 } 226 if (activities.size() > 0) { 227 pw.print(prefix); pw.print("activities="); pw.println(activities); 228 } 229 if (services.size() > 0) { 230 pw.print(prefix); pw.print("services="); pw.println(services); 231 } 232 if (executingServices.size() > 0) { 233 pw.print(prefix); pw.print("executingServices="); pw.println(executingServices); 234 } 235 if (connections.size() > 0) { 236 pw.print(prefix); pw.print("connections="); pw.println(connections); 237 } 238 if (pubProviders.size() > 0) { 239 pw.print(prefix); pw.print("pubProviders="); pw.println(pubProviders); 240 } 241 if (conProviders.size() > 0) { 242 pw.print(prefix); pw.print("conProviders="); pw.println(conProviders); 243 } 244 if (receivers.size() > 0) { 245 pw.print(prefix); pw.print("receivers="); pw.println(receivers); 246 } 247 } 248 249 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 250 ApplicationInfo _info, String _processName) { 251 batteryStats = _batteryStats; 252 info = _info; 253 processName = _processName; 254 pkgList.add(_info.packageName); 255 thread = _thread; 256 maxAdj = ActivityManagerService.EMPTY_APP_ADJ; 257 hiddenAdj = ActivityManagerService.HIDDEN_APP_MIN_ADJ; 258 curRawAdj = setRawAdj = -100; 259 curAdj = setAdj = -100; 260 persistent = false; 261 removed = false; 262 } 263 264 public void setPid(int _pid) { 265 pid = _pid; 266 shortStringName = null; 267 stringName = null; 268 } 269 270 /** 271 * This method returns true if any of the activities within the process record are interesting 272 * to the user. See HistoryRecord.isInterestingToUserLocked() 273 */ 274 public boolean isInterestingToUserLocked() { 275 final int size = activities.size(); 276 for (int i = 0 ; i < size ; i++) { 277 ActivityRecord r = activities.get(i); 278 if (r.isInterestingToUserLocked()) { 279 return true; 280 } 281 } 282 return false; 283 } 284 285 public void stopFreezingAllLocked() { 286 int i = activities.size(); 287 while (i > 0) { 288 i--; 289 activities.get(i).stopFreezingScreenLocked(true); 290 } 291 } 292 293 public String toShortString() { 294 if (shortStringName != null) { 295 return shortStringName; 296 } 297 StringBuilder sb = new StringBuilder(128); 298 toShortString(sb); 299 return shortStringName = sb.toString(); 300 } 301 302 void toShortString(StringBuilder sb) { 303 sb.append(Integer.toHexString(System.identityHashCode(this))); 304 sb.append(' '); 305 sb.append(pid); 306 sb.append(':'); 307 sb.append(processName); 308 sb.append('/'); 309 sb.append(info.uid); 310 } 311 312 public String toString() { 313 if (stringName != null) { 314 return stringName; 315 } 316 StringBuilder sb = new StringBuilder(128); 317 sb.append("ProcessRecord{"); 318 toShortString(sb); 319 sb.append('}'); 320 return stringName = sb.toString(); 321 } 322 323 /* 324 * Return true if package has been added false if not 325 */ 326 public boolean addPackage(String pkg) { 327 if (!pkgList.contains(pkg)) { 328 pkgList.add(pkg); 329 return true; 330 } 331 return false; 332 } 333 334 /* 335 * Delete all packages from list except the package indicated in info 336 */ 337 public void resetPackageList() { 338 pkgList.clear(); 339 pkgList.add(info.packageName); 340 } 341 342 public String[] getPackageList() { 343 int size = pkgList.size(); 344 if (size == 0) { 345 return null; 346 } 347 String list[] = new String[size]; 348 pkgList.toArray(list); 349 return list; 350 } 351} 352