ProcessRecord.java revision fd12af4e768fec852c4c5dfee3b9bd7403b4b347
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; 20import com.android.server.Watchdog; 21 22import android.app.ActivityManager; 23import android.app.Dialog; 24import android.app.IApplicationThread; 25import android.app.IInstrumentationWatcher; 26import android.content.ComponentName; 27import android.content.pm.ApplicationInfo; 28import android.os.Bundle; 29import android.os.IBinder; 30import android.os.RemoteException; 31import android.util.PrintWriterPrinter; 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 implements Watchdog.PssRequestor { 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(); 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 int maxAdj; // Maximum OOM adjustment for this process 54 int hiddenAdj; // If hidden, this is the adjustment to use 55 int curRawAdj; // Current OOM unlimited adjustment for this process 56 int setRawAdj; // Last set OOM unlimited adjustment for this process 57 int curAdj; // Current OOM adjustment for this process 58 int setAdj; // Last set OOM adjustment for this process 59 int curSchedGroup; // Currently desired scheduling class 60 int setSchedGroup; // Last set to background scheduling class 61 boolean setIsForeground; // Running foreground UI when last set? 62 boolean foregroundServices; // Running any services that are foreground? 63 boolean bad; // True if disabled in the bad process list 64 IBinder forcingToForeground;// Token that is forcing this process to be foreground 65 int adjSeq; // Sequence id for identifying repeated trav 66 ComponentName instrumentationClass;// class installed to instrument app 67 ApplicationInfo instrumentationInfo; // the application being instrumented 68 String instrumentationProfileFile; // where to save profiling 69 IInstrumentationWatcher instrumentationWatcher; // who is waiting 70 Bundle instrumentationArguments;// as given to us 71 ComponentName instrumentationResultClass;// copy of instrumentationClass 72 BroadcastRecord curReceiver;// receiver currently running in the app 73 long lastRequestedGc; // When we last asked the app to do a gc 74 long lastLowMemory; // When we last told the app that memory is low 75 boolean reportLowMemory; // Set to true when waiting to report low mem 76 int lastPss; // Last pss size reported by app. 77 String adjType; // Debugging: primary thing impacting oom_adj. 78 Object adjSource; // Debugging: option dependent object. 79 Object adjTarget; // Debugging: target component impacting oom_adj. 80 81 // contains HistoryRecord objects 82 final ArrayList activities = new ArrayList(); 83 // all ServiceRecord running in this process 84 final HashSet services = new HashSet(); 85 // services that are currently executing code (need to remain foreground). 86 final HashSet<ServiceRecord> executingServices 87 = new HashSet<ServiceRecord>(); 88 // All ConnectionRecord this process holds 89 final HashSet<ConnectionRecord> connections 90 = new HashSet<ConnectionRecord>(); 91 // all IIntentReceivers that are registered from this process. 92 final HashSet<ReceiverList> receivers = new HashSet<ReceiverList>(); 93 // class (String) -> ContentProviderRecord 94 final HashMap pubProviders = new HashMap(); 95 // All ContentProviderRecord process is using 96 final HashSet conProviders = new HashSet(); 97 98 boolean persistent; // always keep this application running? 99 boolean crashing; // are we in the process of crashing? 100 Dialog crashDialog; // dialog being displayed due to crash. 101 boolean notResponding; // does the app have a not responding dialog? 102 Dialog anrDialog; // dialog being displayed due to app not resp. 103 boolean removed; // has app package been removed from device? 104 boolean debugging; // was app launched for debugging? 105 int persistentActivities; // number of activities that are persistent 106 boolean waitedForDebugger; // has process show wait for debugger dialog? 107 Dialog waitDialog; // current wait for debugger dialog 108 109 String stringName; // caching of toString() result. 110 111 // These reports are generated & stored when an app gets into an error condition. 112 // They will be "null" when all is OK. 113 ActivityManager.ProcessErrorStateInfo crashingReport; 114 ActivityManager.ProcessErrorStateInfo notRespondingReport; 115 116 // Who will be notified of the error. This is usually an activity in the 117 // app that installed the package. 118 ComponentName errorReportReceiver; 119 120 void dump(PrintWriter pw, String prefix) { 121 if (info.className != null) { 122 pw.print(prefix); pw.print("class="); pw.println(info.className); 123 } 124 if (info.manageSpaceActivityName != null) { 125 pw.print(prefix); pw.print("manageSpaceActivityName="); 126 pw.println(info.manageSpaceActivityName); 127 } 128 pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir); 129 pw.print(" publicDir="); pw.print(info.publicSourceDir); 130 pw.print(" data="); pw.println(info.dataDir); 131 pw.print(prefix); pw.print("packageList="); pw.println(pkgList); 132 if (instrumentationClass != null || instrumentationProfileFile != null 133 || instrumentationArguments != null) { 134 pw.print(prefix); pw.print("instrumentationClass="); 135 pw.print(instrumentationClass); 136 pw.print(" instrumentationProfileFile="); 137 pw.println(instrumentationProfileFile); 138 pw.print(prefix); pw.print("instrumentationArguments="); 139 pw.println(instrumentationArguments); 140 pw.print(prefix); pw.print("instrumentationInfo="); 141 pw.println(instrumentationInfo); 142 if (instrumentationInfo != null) { 143 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + " "); 144 } 145 } 146 pw.print(prefix); pw.print("thread="); pw.print(thread); 147 pw.print(" curReceiver="); pw.println(curReceiver); 148 pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting="); 149 pw.print(starting); pw.print(" lastPss="); pw.println(lastPss); 150 pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj); 151 pw.print(" hidden="); pw.print(hiddenAdj); 152 pw.print(" curRaw="); pw.print(curRawAdj); 153 pw.print(" setRaw="); pw.print(setRawAdj); 154 pw.print(" cur="); pw.print(curAdj); 155 pw.print(" set="); pw.println(setAdj); 156 pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup); 157 pw.print(" setSchedGroup="); pw.println(setSchedGroup); 158 pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground); 159 pw.print(" foregroundServices="); pw.print(foregroundServices); 160 pw.print(" forcingToForeground="); pw.println(forcingToForeground); 161 pw.print(prefix); pw.print("persistent="); pw.print(persistent); 162 pw.print(" removed="); pw.print(removed); 163 pw.print(" persistentActivities="); pw.println(persistentActivities); 164 if (debugging || crashing || crashDialog != null || notResponding 165 || anrDialog != null || bad) { 166 pw.print(prefix); pw.print("debugging="); pw.print(debugging); 167 pw.print(" crashing="); pw.print(crashing); 168 pw.print(" "); pw.print(crashDialog); 169 pw.print(" notResponding="); pw.print(notResponding); 170 pw.print(" " ); pw.print(anrDialog); 171 pw.print(" bad="); pw.print(bad); 172 173 // crashing or notResponding is always set before errorReportReceiver 174 if (errorReportReceiver != null) { 175 pw.print(" errorReportReceiver="); 176 pw.print(errorReportReceiver.flattenToShortString()); 177 } 178 pw.println(); 179 } 180 if (activities.size() > 0) { 181 pw.print(prefix); pw.print("activities="); pw.println(activities); 182 } 183 if (services.size() > 0) { 184 pw.print(prefix); pw.print("services="); pw.println(services); 185 } 186 if (executingServices.size() > 0) { 187 pw.print(prefix); pw.print("executingServices="); pw.println(executingServices); 188 } 189 if (connections.size() > 0) { 190 pw.print(prefix); pw.print("connections="); pw.println(connections); 191 } 192 if (pubProviders.size() > 0) { 193 pw.print(prefix); pw.print("pubProviders="); pw.println(pubProviders); 194 } 195 if (conProviders.size() > 0) { 196 pw.print(prefix); pw.print("conProviders="); pw.println(conProviders); 197 } 198 if (receivers.size() > 0) { 199 pw.print(prefix); pw.print("receivers="); pw.println(receivers); 200 } 201 } 202 203 ProcessRecord(BatteryStatsImpl.Uid.Proc _batteryStats, IApplicationThread _thread, 204 ApplicationInfo _info, String _processName) { 205 batteryStats = _batteryStats; 206 info = _info; 207 processName = _processName; 208 pkgList.add(_info.packageName); 209 thread = _thread; 210 maxAdj = ActivityManagerService.EMPTY_APP_ADJ; 211 hiddenAdj = ActivityManagerService.HIDDEN_APP_MIN_ADJ; 212 curRawAdj = setRawAdj = -100; 213 curAdj = setAdj = -100; 214 persistent = false; 215 removed = false; 216 persistentActivities = 0; 217 } 218 219 public void setPid(int _pid) { 220 pid = _pid; 221 stringName = null; 222 } 223 224 /** 225 * This method returns true if any of the activities within the process record are interesting 226 * to the user. See HistoryRecord.isInterestingToUserLocked() 227 */ 228 public boolean isInterestingToUserLocked() { 229 final int size = activities.size(); 230 for (int i = 0 ; i < size ; i++) { 231 HistoryRecord r = (HistoryRecord) activities.get(i); 232 if (r.isInterestingToUserLocked()) { 233 return true; 234 } 235 } 236 return false; 237 } 238 239 public void stopFreezingAllLocked() { 240 int i = activities.size(); 241 while (i > 0) { 242 i--; 243 ((HistoryRecord)activities.get(i)).stopFreezingScreenLocked(true); 244 } 245 } 246 247 public void requestPss() { 248 IApplicationThread localThread = thread; 249 if (localThread != null) { 250 try { 251 localThread.requestPss(); 252 } catch (RemoteException e) { 253 } 254 } 255 } 256 257 public String toString() { 258 if (stringName != null) { 259 return stringName; 260 } 261 StringBuilder sb = new StringBuilder(128); 262 sb.append("ProcessRecord{"); 263 sb.append(Integer.toHexString(System.identityHashCode(this))); 264 sb.append(' '); 265 sb.append(pid); 266 sb.append(':'); 267 sb.append(processName); 268 sb.append('/'); 269 sb.append(info.uid); 270 sb.append('}'); 271 return stringName = sb.toString(); 272 } 273 274 /* 275 * Return true if package has been added false if not 276 */ 277 public boolean addPackage(String pkg) { 278 if (!pkgList.contains(pkg)) { 279 pkgList.add(pkg); 280 return true; 281 } 282 return false; 283 } 284 285 /* 286 * Delete all packages from list except the package indicated in info 287 */ 288 public void resetPackageList() { 289 pkgList.clear(); 290 pkgList.add(info.packageName); 291 } 292 293 public String[] getPackageList() { 294 int size = pkgList.size(); 295 if (size == 0) { 296 return null; 297 } 298 String list[] = new String[size]; 299 pkgList.toArray(list); 300 return list; 301 } 302} 303