ProcessRecord.java revision ce86ba86df61de8b34b226a4eb6c23ec33e866e0
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.content.res.CompatibilityInfo; 28import android.os.Bundle; 29import android.os.IBinder; 30import android.os.SystemClock; 31import android.util.PrintWriterPrinter; 32import android.util.TimeUtils; 33 34import java.io.PrintWriter; 35import java.util.ArrayList; 36import java.util.HashMap; 37import java.util.HashSet; 38 39/** 40 * Full information about a particular process that 41 * is currently running. 42 */ 43class ProcessRecord { 44 final BatteryStatsImpl.Uid.Proc batteryStats; // where to collect runtime statistics 45 final ApplicationInfo info; // all about the first app in the process 46 final String processName; // name of the process 47 // List of packages running in the process 48 final HashSet<String> pkgList = new HashSet<String>(); 49 IApplicationThread thread; // the actual proc... may be null only if 50 // 'persistent' is true (in which case we 51 // are in the process of launching the app) 52 int pid; // The process of this application; 0 if none 53 boolean starting; // True if the process is being started 54 long lastActivityTime; // For managing the LRU list 55 long lruWeight; // Weight for ordering in LRU list 56 int maxAdj; // Maximum OOM adjustment for this process 57 int hiddenAdj; // If hidden, this is the adjustment to use 58 int curRawAdj; // Current OOM unlimited adjustment for this process 59 int setRawAdj; // Last set OOM unlimited adjustment for this process 60 int curAdj; // Current OOM adjustment for this process 61 int setAdj; // Last set OOM adjustment for this process 62 int curSchedGroup; // Currently desired scheduling class 63 int setSchedGroup; // Last set to background scheduling class 64 int trimMemoryLevel; // Last selected memory trimming level 65 boolean keeping; // Actively running code so don't kill due to that? 66 boolean setIsForeground; // Running foreground UI when last set? 67 boolean foregroundServices; // Running any services that are foreground? 68 boolean foregroundActivities; // Running any activities that are foreground? 69 boolean bad; // True if disabled in the bad process list 70 boolean killedBackground; // True when proc has been killed due to too many bg 71 String waitingToKill; // Process is waiting to be killed when in the bg; reason 72 IBinder forcingToForeground;// Token that is forcing this process to be foreground 73 int adjSeq; // Sequence id for identifying oom_adj assignment cycles 74 int lruSeq; // Sequence id for identifying LRU update cycles 75 CompatibilityInfo compat; // last used compatibility mode 76 ComponentName instrumentationClass;// class installed to instrument app 77 ApplicationInfo instrumentationInfo; // the application being instrumented 78 String instrumentationProfileFile; // where to save profiling 79 IInstrumentationWatcher instrumentationWatcher; // who is waiting 80 Bundle instrumentationArguments;// as given to us 81 ComponentName instrumentationResultClass;// copy of instrumentationClass 82 boolean usingWrapper; // Set to true when process was launched with a wrapper attached 83 BroadcastRecord curReceiver;// receiver currently running in the app 84 long lastWakeTime; // How long proc held wake lock at last check 85 long lastCpuTime; // How long proc has run CPU at last check 86 long curCpuTime; // How long proc has run CPU most recently 87 long lastRequestedGc; // When we last asked the app to do a gc 88 long lastLowMemory; // When we last told the app that memory is low 89 boolean reportLowMemory; // Set to true when waiting to report low mem 90 boolean empty; // Is this an empty background process? 91 boolean hidden; // Is this a hidden process? 92 int lastPss; // Last pss size reported by app. 93 String adjType; // Debugging: primary thing impacting oom_adj. 94 int adjTypeCode; // Debugging: adj code to report to app. 95 Object adjSource; // Debugging: option dependent object. 96 Object adjTarget; // Debugging: target component impacting oom_adj. 97 98 // contains HistoryRecord objects 99 final ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>(); 100 // all ServiceRecord running in this process 101 final HashSet<ServiceRecord> services = new HashSet<ServiceRecord>(); 102 // services that are currently executing code (need to remain foreground). 103 final HashSet<ServiceRecord> executingServices 104 = new HashSet<ServiceRecord>(); 105 // All ConnectionRecord this process holds 106 final HashSet<ConnectionRecord> connections 107 = new HashSet<ConnectionRecord>(); 108 // all IIntentReceivers that are registered from this process. 109 final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>(); 110 // class (String) -> ContentProviderRecord 111 final HashMap<String, ContentProviderRecord> pubProviders 112 = new HashMap<String, ContentProviderRecord>(); 113 // All ContentProviderRecord process is using 114 final HashMap<ContentProviderRecord, Integer> conProviders 115 = new HashMap<ContentProviderRecord, Integer>(); 116 117 boolean persistent; // always keep this application running? 118 boolean crashing; // are we in the process of crashing? 119 Dialog crashDialog; // dialog being displayed due to crash. 120 boolean notResponding; // does the app have a not responding dialog? 121 Dialog anrDialog; // dialog being displayed due to app not resp. 122 boolean removed; // has app package been removed from device? 123 boolean debugging; // was app launched for debugging? 124 boolean waitedForDebugger; // has process show wait for debugger dialog? 125 Dialog waitDialog; // current wait for debugger dialog 126 127 String shortStringName; // caching of toShortString() result. 128 String stringName; // caching of toString() result. 129 130 // These reports are generated & stored when an app gets into an error condition. 131 // They will be "null" when all is OK. 132 ActivityManager.ProcessErrorStateInfo crashingReport; 133 ActivityManager.ProcessErrorStateInfo notRespondingReport; 134 135 // Who will be notified of the error. This is usually an activity in the 136 // app that installed the package. 137 ComponentName errorReportReceiver; 138 139 void dump(PrintWriter pw, String prefix) { 140 final long now = SystemClock.uptimeMillis(); 141 142 if (info.className != null) { 143 pw.print(prefix); pw.print("class="); pw.println(info.className); 144 } 145 if (info.manageSpaceActivityName != null) { 146 pw.print(prefix); pw.print("manageSpaceActivityName="); 147 pw.println(info.manageSpaceActivityName); 148 } 149 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 150 pw.print(" publicDir="); pw.print(info.publicSourceDir); 151 pw.print(" data="); pw.println(info.dataDir); 152 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 153 pw.print(prefix); pw.print("compat="); pw.println(compat); 154 if (instrumentationClass != null || instrumentationProfileFile != null 155 || instrumentationArguments != null) { 156 pw.print(prefix); pw.print("instrumentationClass="); 157 pw.print(instrumentationClass); 158 pw.print(" instrumentationProfileFile="); 159 pw.println(instrumentationProfileFile); 160 pw.print(prefix); pw.print("instrumentationArguments="); 161 pw.println(instrumentationArguments); 162 pw.print(prefix); pw.print("instrumentationInfo="); 163 pw.println(instrumentationInfo); 164 if (instrumentationInfo != null) { 165 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 166 } 167 } 168 pw.print(prefix); pw.print("thread="); pw.print(thread); 169 pw.print(" curReceiver="); pw.println(curReceiver); 170 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 171 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 172 pw.print(prefix); pw.print("lastActivityTime="); 173 TimeUtils.formatDuration(lastActivityTime, now, pw); 174 pw.print(" lruWeight="); pw.print(lruWeight); 175 pw.print(" keeping="); pw.print(keeping); 176 pw.print(" hidden="); pw.print(hidden); 177 pw.print(" empty="); pw.println(empty); 178 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 179 pw.print(" hidden="); pw.print(hiddenAdj); 180 pw.print(" curRaw="); pw.print(curRawAdj); 181 pw.print(" setRaw="); pw.print(setRawAdj); 182 pw.print(" cur="); pw.print(curAdj); 183 pw.print(" set="); pw.println(setAdj); 184 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 185 pw.print(" setSchedGroup="); pw.print(setSchedGroup); 186 pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel); 187 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 188 pw.print(" foregroundServices="); pw.print(foregroundServices); 189 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 190 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 191 pw.print(" removed="); pw.println(removed); 192 pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq); 193 pw.print(" lruSeq="); pw.println(lruSeq); 194 if (!keeping) { 195 long wtime; 196 synchronized (batteryStats.getBatteryStats()) { 197 wtime = batteryStats.getBatteryStats().getProcessWakeTime(info.uid, 198 pid, SystemClock.elapsedRealtime()); 199 } 200 long timeUsed = wtime - lastWakeTime; 201 pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime); 202 pw.print(" time used="); 203 TimeUtils.formatDuration(timeUsed, pw); pw.println(""); 204 pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime); 205 pw.print(" time used="); 206 TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println(""); 207 } 208 pw.print(prefix); pw.print("lastRequestedGc="); 209 TimeUtils.formatDuration(lastRequestedGc, now, pw); 210 pw.print(" lastLowMemory="); 211 TimeUtils.formatDuration(lastLowMemory, now, pw); 212 pw.print(" reportLowMemory="); pw.println(reportLowMemory); 213 if (killedBackground || waitingToKill != null) { 214 pw.print(prefix); pw.print("killedBackground="); pw.print(killedBackground); 215 pw.print(" waitingToKill="); pw.println(waitingToKill); 216 } 217 if (debugging || crashing || crashDialog != null || notResponding 218 || anrDialog != null || bad) { 219 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 220 pw.print(" crashing="); pw.print(crashing); 221 pw.print(" "); pw.print(crashDialog); 222 pw.print(" notResponding="); pw.print(notResponding); 223 pw.print(" " ); pw.print(anrDialog); 224 pw.print(" bad="); pw.print(bad); 225 226 // crashing or notResponding is always set before errorReportReceiver 227 if (errorReportReceiver != null) { 228 pw.print(" errorReportReceiver="); 229 pw.print(errorReportReceiver.flattenToShortString()); 230 } 231 pw.println(); 232 } 233 if (activities.size() > 0) { 234 pw.print(prefix); pw.print("activities="); pw.println(activities); 235 } 236 if (services.size() > 0) { 237 pw.print(prefix); pw.print("services="); pw.println(services); 238 } 239 if (executingServices.size() > 0) { 240 pw.print(prefix); pw.print("executingServices="); pw.println(executingServices); 241 } 242 if (connections.size() > 0) { 243 pw.print(prefix); pw.print("connections="); pw.println(connections); 244 } 245 if (pubProviders.size() > 0) { 246 pw.print(prefix); pw.print("pubProviders="); pw.println(pubProviders); 247 } 248 if (conProviders.size() > 0) { 249 pw.print(prefix); pw.print("conProviders="); pw.println(conProviders); 250 } 251 if (receivers.size() > 0) { 252 pw.print(prefix); pw.print("receivers="); pw.println(receivers); 253 } 254 } 255 256 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 257 ApplicationInfo _info, String _processName) { 258 batteryStats = _batteryStats; 259 info = _info; 260 processName = _processName; 261 pkgList.add(_info.packageName); 262 thread = _thread; 263 maxAdj = ActivityManagerService.EMPTY_APP_ADJ; 264 hiddenAdj = ActivityManagerService.HIDDEN_APP_MIN_ADJ; 265 curRawAdj = setRawAdj = -100; 266 curAdj = setAdj = -100; 267 persistent = false; 268 removed = false; 269 } 270 271 public void setPid(int _pid) { 272 pid = _pid; 273 shortStringName = null; 274 stringName = null; 275 } 276 277 /** 278 * This method returns true if any of the activities within the process record are interesting 279 * to the user. See HistoryRecord.isInterestingToUserLocked() 280 */ 281 public boolean isInterestingToUserLocked() { 282 final int size = activities.size(); 283 for (int i = 0 ; i < size ; i++) { 284 ActivityRecord r = activities.get(i); 285 if (r.isInterestingToUserLocked()) { 286 return true; 287 } 288 } 289 return false; 290 } 291 292 public void stopFreezingAllLocked() { 293 int i = activities.size(); 294 while (i > 0) { 295 i--; 296 activities.get(i).stopFreezingScreenLocked(true); 297 } 298 } 299 300 public String toShortString() { 301 if (shortStringName != null) { 302 return shortStringName; 303 } 304 StringBuilder sb = new StringBuilder(128); 305 toShortString(sb); 306 return shortStringName = sb.toString(); 307 } 308 309 void toShortString(StringBuilder sb) { 310 sb.append(pid); 311 sb.append(':'); 312 sb.append(processName); 313 sb.append('/'); 314 sb.append(info.uid); 315 } 316 317 public String toString() { 318 if (stringName != null) { 319 return stringName; 320 } 321 StringBuilder sb = new StringBuilder(128); 322 sb.append("ProcessRecord{"); 323 sb.append(Integer.toHexString(System.identityHashCode(this))); 324 sb.append(' '); 325 toShortString(sb); 326 sb.append('}'); 327 return stringName = sb.toString(); 328 } 329 330 /* 331 * Return true if package has been added false if not 332 */ 333 public boolean addPackage(String pkg) { 334 if (!pkgList.contains(pkg)) { 335 pkgList.add(pkg); 336 return true; 337 } 338 return false; 339 } 340 341 /* 342 * Delete all packages from list except the package indicated in info 343 */ 344 public void resetPackageList() { 345 pkgList.clear(); 346 pkgList.add(info.packageName); 347 } 348 349 public String[] getPackageList() { 350 int size = pkgList.size(); 351 if (size == 0) { 352 return null; 353 } 354 String list[] = new String[size]; 355 pkgList.toArray(list); 356 return list; 357 } 358} 359