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      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 android.util.ArraySet;
     20 import com.android.internal.app.ProcessStats;
     21 import com.android.internal.os.BatteryStatsImpl;
     22 
     23 import android.app.ActivityManager;
     24 import android.app.Dialog;
     25 import android.app.IApplicationThread;
     26 import android.app.IInstrumentationWatcher;
     27 import android.app.IUiAutomationConnection;
     28 import android.content.ComponentName;
     29 import android.content.Context;
     30 import android.content.pm.ApplicationInfo;
     31 import android.content.res.CompatibilityInfo;
     32 import android.os.Bundle;
     33 import android.os.IBinder;
     34 import android.os.Process;
     35 import android.os.SystemClock;
     36 import android.os.UserHandle;
     37 import android.util.ArrayMap;
     38 import android.util.PrintWriterPrinter;
     39 import android.util.TimeUtils;
     40 
     41 import java.io.PrintWriter;
     42 import java.util.ArrayList;
     43 
     44 /**
     45  * Full information about a particular process that
     46  * is currently running.
     47  */
     48 final class ProcessRecord {
     49     private final BatteryStatsImpl mBatteryStats; // where to collect runtime statistics
     50     final ApplicationInfo info; // all about the first app in the process
     51     final boolean isolated;     // true if this is a special isolated process
     52     final int uid;              // uid of process; may be different from 'info' if isolated
     53     final int userId;           // user of process.
     54     final String processName;   // name of the process
     55     // List of packages running in the process
     56     final ArrayMap<String, ProcessStats.ProcessState> pkgList
     57             = new ArrayMap<String, ProcessStats.ProcessState>();
     58     IApplicationThread thread;  // the actual proc...  may be null only if
     59                                 // 'persistent' is true (in which case we
     60                                 // are in the process of launching the app)
     61     ProcessStats.ProcessState baseProcessTracker;
     62     int pid;                    // The process of this application; 0 if none
     63     boolean starting;           // True if the process is being started
     64     long lastActivityTime;      // For managing the LRU list
     65     long lastPssTime;           // Last time we retrieved PSS data
     66     long nextPssTime;           // Next time we want to request PSS data
     67     long lastStateTime;         // Last time setProcState changed
     68     long initialIdlePss;        // Initial memory pss of process for idle maintenance.
     69     long lastPss;               // Last computed memory pss.
     70     long lastCachedPss;         // Last computed pss when in cached state.
     71     int maxAdj;                 // Maximum OOM adjustment for this process
     72     int curRawAdj;              // Current OOM unlimited adjustment for this process
     73     int setRawAdj;              // Last set OOM unlimited adjustment for this process
     74     int curAdj;                 // Current OOM adjustment for this process
     75     int setAdj;                 // Last set OOM adjustment for this process
     76     int curSchedGroup;          // Currently desired scheduling class
     77     int setSchedGroup;          // Last set to background scheduling class
     78     int trimMemoryLevel;        // Last selected memory trimming level
     79     int memImportance;          // Importance constant computed from curAdj
     80     int curProcState = -1;      // Currently computed process state: ActivityManager.PROCESS_STATE_*
     81     int repProcState = -1;      // Last reported process state
     82     int setProcState = -1;      // Last set process state in process tracker
     83     int pssProcState = -1;      // The proc state we are currently requesting pss for
     84     boolean serviceb;           // Process currently is on the service B list
     85     boolean serviceHighRam;     // We are forcing to service B list due to its RAM use
     86     boolean keeping;            // Actively running code so don't kill due to that?
     87     boolean setIsForeground;    // Running foreground UI when last set?
     88     boolean notCachedSinceIdle; // Has this process not been in a cached state since last idle?
     89     boolean hasClientActivities;  // Are there any client services with activities?
     90     boolean hasStartedServices; // Are there any started services running in this process?
     91     boolean foregroundServices; // Running any services that are foreground?
     92     boolean foregroundActivities; // Running any activities that are foreground?
     93     boolean systemNoUi;         // This is a system process, but not currently showing UI.
     94     boolean hasShownUi;         // Has UI been shown in this process since it was started?
     95     boolean pendingUiClean;     // Want to clean up resources from showing UI?
     96     boolean hasAboveClient;     // Bound using BIND_ABOVE_CLIENT, so want to be lower
     97     boolean bad;                // True if disabled in the bad process list
     98     boolean killedByAm;         // True when proc has been killed by activity manager, not for RAM
     99     boolean procStateChanged;   // Keep track of whether we changed 'setAdj'.
    100     String waitingToKill;       // Process is waiting to be killed when in the bg, and reason
    101     IBinder forcingToForeground;// Token that is forcing this process to be foreground
    102     int adjSeq;                 // Sequence id for identifying oom_adj assignment cycles
    103     int lruSeq;                 // Sequence id for identifying LRU update cycles
    104     CompatibilityInfo compat;   // last used compatibility mode
    105     IBinder.DeathRecipient deathRecipient; // Who is watching for the death.
    106     ComponentName instrumentationClass;// class installed to instrument app
    107     ApplicationInfo instrumentationInfo; // the application being instrumented
    108     String instrumentationProfileFile; // where to save profiling
    109     IInstrumentationWatcher instrumentationWatcher; // who is waiting
    110     IUiAutomationConnection instrumentationUiAutomationConnection; // Connection to use the UI introspection APIs.
    111     Bundle instrumentationArguments;// as given to us
    112     ComponentName instrumentationResultClass;// copy of instrumentationClass
    113     boolean usingWrapper;       // Set to true when process was launched with a wrapper attached
    114     BroadcastRecord curReceiver;// receiver currently running in the app
    115     long lastWakeTime;          // How long proc held wake lock at last check
    116     long lastCpuTime;           // How long proc has run CPU at last check
    117     long curCpuTime;            // How long proc has run CPU most recently
    118     long lastRequestedGc;       // When we last asked the app to do a gc
    119     long lastLowMemory;         // When we last told the app that memory is low
    120     boolean reportLowMemory;    // Set to true when waiting to report low mem
    121     boolean empty;              // Is this an empty background process?
    122     boolean cached;             // Is this a cached process?
    123     String adjType;             // Debugging: primary thing impacting oom_adj.
    124     int adjTypeCode;            // Debugging: adj code to report to app.
    125     Object adjSource;           // Debugging: option dependent object.
    126     int adjSourceOom;           // Debugging: oom_adj of adjSource's process.
    127     Object adjTarget;           // Debugging: target component impacting oom_adj.
    128 
    129     // contains HistoryRecord objects
    130     final ArrayList<ActivityRecord> activities = new ArrayList<ActivityRecord>();
    131     // all ServiceRecord running in this process
    132     final ArraySet<ServiceRecord> services = new ArraySet<ServiceRecord>();
    133     // services that are currently executing code (need to remain foreground).
    134     final ArraySet<ServiceRecord> executingServices
    135              = new ArraySet<ServiceRecord>();
    136     // All ConnectionRecord this process holds
    137     final ArraySet<ConnectionRecord> connections
    138             = new ArraySet<ConnectionRecord>();
    139     // all IIntentReceivers that are registered from this process.
    140     final ArraySet<ReceiverList> receivers = new ArraySet<ReceiverList>();
    141     // class (String) -> ContentProviderRecord
    142     final ArrayMap<String, ContentProviderRecord> pubProviders
    143             = new ArrayMap<String, ContentProviderRecord>();
    144     // All ContentProviderRecord process is using
    145     final ArrayList<ContentProviderConnection> conProviders
    146             = new ArrayList<ContentProviderConnection>();
    147 
    148     boolean execServicesFg;     // do we need to be executing services in the foreground?
    149     boolean persistent;         // always keep this application running?
    150     boolean crashing;           // are we in the process of crashing?
    151     Dialog crashDialog;         // dialog being displayed due to crash.
    152     boolean forceCrashReport;   // suppress normal auto-dismiss of crash dialog & report UI?
    153     boolean notResponding;      // does the app have a not responding dialog?
    154     Dialog anrDialog;           // dialog being displayed due to app not resp.
    155     boolean removed;            // has app package been removed from device?
    156     boolean debugging;          // was app launched for debugging?
    157     boolean waitedForDebugger;  // has process show wait for debugger dialog?
    158     Dialog waitDialog;          // current wait for debugger dialog
    159 
    160     String shortStringName;     // caching of toShortString() result.
    161     String stringName;          // caching of toString() result.
    162 
    163     // These reports are generated & stored when an app gets into an error condition.
    164     // They will be "null" when all is OK.
    165     ActivityManager.ProcessErrorStateInfo crashingReport;
    166     ActivityManager.ProcessErrorStateInfo notRespondingReport;
    167 
    168     // Who will be notified of the error. This is usually an activity in the
    169     // app that installed the package.
    170     ComponentName errorReportReceiver;
    171 
    172     void dump(PrintWriter pw, String prefix) {
    173         final long now = SystemClock.uptimeMillis();
    174 
    175         pw.print(prefix); pw.print("user #"); pw.print(userId);
    176                 pw.print(" uid="); pw.print(info.uid);
    177         if (uid != info.uid) {
    178             pw.print(" ISOLATED uid="); pw.print(uid);
    179         }
    180         pw.println();
    181         if (info.className != null) {
    182             pw.print(prefix); pw.print("class="); pw.println(info.className);
    183         }
    184         if (info.manageSpaceActivityName != null) {
    185             pw.print(prefix); pw.print("manageSpaceActivityName=");
    186             pw.println(info.manageSpaceActivityName);
    187         }
    188         pw.print(prefix); pw.print("dir="); pw.print(info.sourceDir);
    189                 pw.print(" publicDir="); pw.print(info.publicSourceDir);
    190                 pw.print(" data="); pw.println(info.dataDir);
    191         pw.print(prefix); pw.print("packageList={");
    192         for (int i=0; i<pkgList.size(); i++) {
    193             if (i > 0) pw.print(", ");
    194             pw.print(pkgList.keyAt(i));
    195         }
    196         pw.println("}");
    197         pw.print(prefix); pw.print("compat="); pw.println(compat);
    198         if (instrumentationClass != null || instrumentationProfileFile != null
    199                 || instrumentationArguments != null) {
    200             pw.print(prefix); pw.print("instrumentationClass=");
    201                     pw.print(instrumentationClass);
    202                     pw.print(" instrumentationProfileFile=");
    203                     pw.println(instrumentationProfileFile);
    204             pw.print(prefix); pw.print("instrumentationArguments=");
    205                     pw.println(instrumentationArguments);
    206             pw.print(prefix); pw.print("instrumentationInfo=");
    207                     pw.println(instrumentationInfo);
    208             if (instrumentationInfo != null) {
    209                 instrumentationInfo.dump(new PrintWriterPrinter(pw), prefix + "  ");
    210             }
    211         }
    212         pw.print(prefix); pw.print("thread="); pw.println(thread);
    213         pw.print(prefix); pw.print("pid="); pw.print(pid); pw.print(" starting=");
    214                 pw.println(starting);
    215         pw.print(prefix); pw.print("lastActivityTime=");
    216                 TimeUtils.formatDuration(lastActivityTime, now, pw);
    217                 pw.print(" lastPssTime=");
    218                 TimeUtils.formatDuration(lastPssTime, now, pw);
    219                 pw.print(" nextPssTime=");
    220                 TimeUtils.formatDuration(nextPssTime, now, pw);
    221                 pw.println();
    222         pw.print(prefix); pw.print("adjSeq="); pw.print(adjSeq);
    223                 pw.print(" lruSeq="); pw.print(lruSeq);
    224                 pw.print(" lastPss="); pw.print(lastPss);
    225                 pw.print(" lastCachedPss="); pw.println(lastCachedPss);
    226         pw.print(prefix); pw.print("keeping="); pw.print(keeping);
    227                 pw.print(" cached="); pw.print(cached);
    228                 pw.print(" empty="); pw.println(empty);
    229         if (serviceb) {
    230             pw.print(prefix); pw.print("serviceb="); pw.print(serviceb);
    231                     pw.print(" serviceHighRam="); pw.println(serviceHighRam);
    232         }
    233         if (notCachedSinceIdle) {
    234             pw.print(prefix); pw.print("notCachedSinceIdle="); pw.print(notCachedSinceIdle);
    235                     pw.print(" initialIdlePss="); pw.println(initialIdlePss);
    236         }
    237         pw.print(prefix); pw.print("oom: max="); pw.print(maxAdj);
    238                 pw.print(" curRaw="); pw.print(curRawAdj);
    239                 pw.print(" setRaw="); pw.print(setRawAdj);
    240                 pw.print(" cur="); pw.print(curAdj);
    241                 pw.print(" set="); pw.println(setAdj);
    242         pw.print(prefix); pw.print("curSchedGroup="); pw.print(curSchedGroup);
    243                 pw.print(" setSchedGroup="); pw.print(setSchedGroup);
    244                 pw.print(" systemNoUi="); pw.print(systemNoUi);
    245                 pw.print(" trimMemoryLevel="); pw.println(trimMemoryLevel);
    246         pw.print(prefix); pw.print("curProcState="); pw.print(curProcState);
    247                 pw.print(" repProcState="); pw.print(repProcState);
    248                 pw.print(" pssProcState="); pw.print(pssProcState);
    249                 pw.print(" setProcState="); pw.print(setProcState);
    250                 pw.print(" lastStateTime=");
    251                 TimeUtils.formatDuration(lastStateTime, now, pw);
    252                 pw.println();
    253         if (hasShownUi || pendingUiClean || hasAboveClient) {
    254             pw.print(prefix); pw.print("hasShownUi="); pw.print(hasShownUi);
    255                     pw.print(" pendingUiClean="); pw.print(pendingUiClean);
    256                     pw.print(" hasAboveClient="); pw.println(hasAboveClient);
    257         }
    258         if (setIsForeground || foregroundServices || forcingToForeground != null) {
    259             pw.print(prefix); pw.print("setIsForeground="); pw.print(setIsForeground);
    260                     pw.print(" foregroundServices="); pw.print(foregroundServices);
    261                     pw.print(" forcingToForeground="); pw.println(forcingToForeground);
    262         }
    263         if (persistent || removed) {
    264             pw.print(prefix); pw.print("persistent="); pw.print(persistent);
    265                     pw.print(" removed="); pw.println(removed);
    266         }
    267         if (hasClientActivities || foregroundActivities) {
    268             pw.print(prefix); pw.print("hasClientActivities="); pw.print(hasClientActivities);
    269                     pw.print(" foregroundActivities="); pw.println(foregroundActivities);
    270         }
    271         if (hasStartedServices) {
    272             pw.print(prefix); pw.print("hasStartedServices="); pw.println(hasStartedServices);
    273         }
    274         if (!keeping) {
    275             long wtime;
    276             synchronized (mBatteryStats) {
    277                 wtime = mBatteryStats.getProcessWakeTime(info.uid,
    278                         pid, SystemClock.elapsedRealtime());
    279             }
    280             long timeUsed = wtime - lastWakeTime;
    281             pw.print(prefix); pw.print("lastWakeTime="); pw.print(lastWakeTime);
    282                     pw.print(" timeUsed=");
    283                     TimeUtils.formatDuration(timeUsed, pw); pw.println("");
    284             pw.print(prefix); pw.print("lastCpuTime="); pw.print(lastCpuTime);
    285                     pw.print(" timeUsed=");
    286                     TimeUtils.formatDuration(curCpuTime-lastCpuTime, pw); pw.println("");
    287         }
    288         pw.print(prefix); pw.print("lastRequestedGc=");
    289                 TimeUtils.formatDuration(lastRequestedGc, now, pw);
    290                 pw.print(" lastLowMemory=");
    291                 TimeUtils.formatDuration(lastLowMemory, now, pw);
    292                 pw.print(" reportLowMemory="); pw.println(reportLowMemory);
    293         if (killedByAm || waitingToKill != null) {
    294             pw.print(prefix); pw.print("killedByAm="); pw.print(killedByAm);
    295                     pw.print(" waitingToKill="); pw.println(waitingToKill);
    296         }
    297         if (debugging || crashing || crashDialog != null || notResponding
    298                 || anrDialog != null || bad) {
    299             pw.print(prefix); pw.print("debugging="); pw.print(debugging);
    300                     pw.print(" crashing="); pw.print(crashing);
    301                     pw.print(" "); pw.print(crashDialog);
    302                     pw.print(" notResponding="); pw.print(notResponding);
    303                     pw.print(" " ); pw.print(anrDialog);
    304                     pw.print(" bad="); pw.print(bad);
    305 
    306                     // crashing or notResponding is always set before errorReportReceiver
    307                     if (errorReportReceiver != null) {
    308                         pw.print(" errorReportReceiver=");
    309                         pw.print(errorReportReceiver.flattenToShortString());
    310                     }
    311                     pw.println();
    312         }
    313         if (activities.size() > 0) {
    314             pw.print(prefix); pw.println("Activities:");
    315             for (int i=0; i<activities.size(); i++) {
    316                 pw.print(prefix); pw.print("  - "); pw.println(activities.get(i));
    317             }
    318         }
    319         if (services.size() > 0) {
    320             pw.print(prefix); pw.println("Services:");
    321             for (int i=0; i<services.size(); i++) {
    322                 pw.print(prefix); pw.print("  - "); pw.println(services.valueAt(i));
    323             }
    324         }
    325         if (executingServices.size() > 0) {
    326             pw.print(prefix); pw.print("Executing Services (fg=");
    327             pw.print(execServicesFg); pw.println(")");
    328             for (int i=0; i<executingServices.size(); i++) {
    329                 pw.print(prefix); pw.print("  - "); pw.println(executingServices.valueAt(i));
    330             }
    331         }
    332         if (connections.size() > 0) {
    333             pw.print(prefix); pw.println("Connections:");
    334             for (int i=0; i<connections.size(); i++) {
    335                 pw.print(prefix); pw.print("  - "); pw.println(connections.valueAt(i));
    336             }
    337         }
    338         if (pubProviders.size() > 0) {
    339             pw.print(prefix); pw.println("Published Providers:");
    340             for (int i=0; i<pubProviders.size(); i++) {
    341                 pw.print(prefix); pw.print("  - "); pw.println(pubProviders.keyAt(i));
    342                 pw.print(prefix); pw.print("    -> "); pw.println(pubProviders.valueAt(i));
    343             }
    344         }
    345         if (conProviders.size() > 0) {
    346             pw.print(prefix); pw.println("Connected Providers:");
    347             for (int i=0; i<conProviders.size(); i++) {
    348                 pw.print(prefix); pw.print("  - "); pw.println(conProviders.get(i).toShortString());
    349             }
    350         }
    351         if (curReceiver != null) {
    352             pw.print(prefix); pw.print("curReceiver="); pw.println(curReceiver);
    353         }
    354         if (receivers.size() > 0) {
    355             pw.print(prefix); pw.println("Receivers:");
    356             for (int i=0; i<receivers.size(); i++) {
    357                 pw.print(prefix); pw.print("  - "); pw.println(receivers.valueAt(i));
    358             }
    359         }
    360     }
    361 
    362     ProcessRecord(BatteryStatsImpl _batteryStats, ApplicationInfo _info,
    363             String _processName, int _uid) {
    364         mBatteryStats = _batteryStats;
    365         info = _info;
    366         isolated = _info.uid != _uid;
    367         uid = _uid;
    368         userId = UserHandle.getUserId(_uid);
    369         processName = _processName;
    370         pkgList.put(_info.packageName, null);
    371         maxAdj = ProcessList.UNKNOWN_ADJ;
    372         curRawAdj = setRawAdj = -100;
    373         curAdj = setAdj = -100;
    374         persistent = false;
    375         removed = false;
    376         lastStateTime = lastPssTime = nextPssTime = SystemClock.uptimeMillis();
    377     }
    378 
    379     public void setPid(int _pid) {
    380         pid = _pid;
    381         shortStringName = null;
    382         stringName = null;
    383     }
    384 
    385     public void makeActive(IApplicationThread _thread, ProcessStatsService tracker) {
    386         if (thread == null) {
    387             final ProcessStats.ProcessState origBase = baseProcessTracker;
    388             if (origBase != null) {
    389                 origBase.setState(ProcessStats.STATE_NOTHING,
    390                         tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList);
    391                 origBase.makeInactive();
    392             }
    393             baseProcessTracker = tracker.getProcessStateLocked(info.packageName, info.uid,
    394                     processName);
    395             baseProcessTracker.makeActive();
    396             for (int i=0; i<pkgList.size(); i++) {
    397                 ProcessStats.ProcessState ps = pkgList.valueAt(i);
    398                 if (ps != null && ps != origBase) {
    399                     ps.makeInactive();
    400                 }
    401                 ps = tracker.getProcessStateLocked(pkgList.keyAt(i), info.uid, processName);
    402                 if (ps != baseProcessTracker) {
    403                     ps.makeActive();
    404                 }
    405                 pkgList.setValueAt(i, ps);
    406             }
    407         }
    408         thread = _thread;
    409     }
    410 
    411     public void makeInactive(ProcessStatsService tracker) {
    412         thread = null;
    413         final ProcessStats.ProcessState origBase = baseProcessTracker;
    414         if (origBase != null) {
    415             if (origBase != null) {
    416                 origBase.setState(ProcessStats.STATE_NOTHING,
    417                         tracker.getMemFactorLocked(), SystemClock.uptimeMillis(), pkgList);
    418                 origBase.makeInactive();
    419             }
    420             baseProcessTracker = null;
    421             for (int i=0; i<pkgList.size(); i++) {
    422                 ProcessStats.ProcessState ps = pkgList.valueAt(i);
    423                 if (ps != null && ps != origBase) {
    424                     ps.makeInactive();
    425                 }
    426                 pkgList.setValueAt(i, null);
    427             }
    428         }
    429     }
    430 
    431     /**
    432      * This method returns true if any of the activities within the process record are interesting
    433      * to the user. See HistoryRecord.isInterestingToUserLocked()
    434      */
    435     public boolean isInterestingToUserLocked() {
    436         final int size = activities.size();
    437         for (int i = 0 ; i < size ; i++) {
    438             ActivityRecord r = activities.get(i);
    439             if (r.isInterestingToUserLocked()) {
    440                 return true;
    441             }
    442         }
    443         return false;
    444     }
    445 
    446     public void stopFreezingAllLocked() {
    447         int i = activities.size();
    448         while (i > 0) {
    449             i--;
    450             activities.get(i).stopFreezingScreenLocked(true);
    451         }
    452     }
    453 
    454     public void unlinkDeathRecipient() {
    455         if (deathRecipient != null && thread != null) {
    456             thread.asBinder().unlinkToDeath(deathRecipient, 0);
    457         }
    458         deathRecipient = null;
    459     }
    460 
    461     void updateHasAboveClientLocked() {
    462         hasAboveClient = false;
    463         for (int i=connections.size()-1; i>=0; i--) {
    464             ConnectionRecord cr = connections.valueAt(i);
    465             if ((cr.flags&Context.BIND_ABOVE_CLIENT) != 0) {
    466                 hasAboveClient = true;
    467                 break;
    468             }
    469         }
    470     }
    471 
    472     int modifyRawOomAdj(int adj) {
    473         if (hasAboveClient) {
    474             // If this process has bound to any services with BIND_ABOVE_CLIENT,
    475             // then we need to drop its adjustment to be lower than the service's
    476             // in order to honor the request.  We want to drop it by one adjustment
    477             // level...  but there is special meaning applied to various levels so
    478             // we will skip some of them.
    479             if (adj < ProcessList.FOREGROUND_APP_ADJ) {
    480                 // System process will not get dropped, ever
    481             } else if (adj < ProcessList.VISIBLE_APP_ADJ) {
    482                 adj = ProcessList.VISIBLE_APP_ADJ;
    483             } else if (adj < ProcessList.PERCEPTIBLE_APP_ADJ) {
    484                 adj = ProcessList.PERCEPTIBLE_APP_ADJ;
    485             } else if (adj < ProcessList.CACHED_APP_MIN_ADJ) {
    486                 adj = ProcessList.CACHED_APP_MIN_ADJ;
    487             } else if (adj < ProcessList.CACHED_APP_MAX_ADJ) {
    488                 adj++;
    489             }
    490         }
    491         return adj;
    492     }
    493 
    494     public String toShortString() {
    495         if (shortStringName != null) {
    496             return shortStringName;
    497         }
    498         StringBuilder sb = new StringBuilder(128);
    499         toShortString(sb);
    500         return shortStringName = sb.toString();
    501     }
    502 
    503     void toShortString(StringBuilder sb) {
    504         sb.append(pid);
    505         sb.append(':');
    506         sb.append(processName);
    507         sb.append('/');
    508         if (info.uid < Process.FIRST_APPLICATION_UID) {
    509             sb.append(uid);
    510         } else {
    511             sb.append('u');
    512             sb.append(userId);
    513             int appId = UserHandle.getAppId(info.uid);
    514             if (appId >= Process.FIRST_APPLICATION_UID) {
    515                 sb.append('a');
    516                 sb.append(appId - Process.FIRST_APPLICATION_UID);
    517             } else {
    518                 sb.append('s');
    519                 sb.append(appId);
    520             }
    521             if (uid != info.uid) {
    522                 sb.append('i');
    523                 sb.append(UserHandle.getAppId(uid) - Process.FIRST_ISOLATED_UID);
    524             }
    525         }
    526     }
    527 
    528     public String toString() {
    529         if (stringName != null) {
    530             return stringName;
    531         }
    532         StringBuilder sb = new StringBuilder(128);
    533         sb.append("ProcessRecord{");
    534         sb.append(Integer.toHexString(System.identityHashCode(this)));
    535         sb.append(' ');
    536         toShortString(sb);
    537         sb.append('}');
    538         return stringName = sb.toString();
    539     }
    540 
    541     public String makeAdjReason() {
    542         if (adjSource != null || adjTarget != null) {
    543             StringBuilder sb = new StringBuilder(128);
    544             sb.append(' ');
    545             if (adjTarget instanceof ComponentName) {
    546                 sb.append(((ComponentName)adjTarget).flattenToShortString());
    547             } else if (adjTarget != null) {
    548                 sb.append(adjTarget.toString());
    549             } else {
    550                 sb.append("{null}");
    551             }
    552             sb.append("<=");
    553             if (adjSource instanceof ProcessRecord) {
    554                 sb.append("Proc{");
    555                 sb.append(((ProcessRecord)adjSource).toShortString());
    556                 sb.append("}");
    557             } else if (adjSource != null) {
    558                 sb.append(adjSource.toString());
    559             } else {
    560                 sb.append("{null}");
    561             }
    562             return sb.toString();
    563         }
    564         return null;
    565     }
    566 
    567     /*
    568      *  Return true if package has been added false if not
    569      */
    570     public boolean addPackage(String pkg, ProcessStatsService tracker) {
    571         if (!pkgList.containsKey(pkg)) {
    572             if (baseProcessTracker != null) {
    573                 ProcessStats.ProcessState state = tracker.getProcessStateLocked(
    574                         pkg, info.uid, processName);
    575                 pkgList.put(pkg, state);
    576                 if (state != baseProcessTracker) {
    577                     state.makeActive();
    578                 }
    579             } else {
    580                 pkgList.put(pkg, null);
    581             }
    582             return true;
    583         }
    584         return false;
    585     }
    586 
    587     public int getSetAdjWithServices() {
    588         if (setAdj >= ProcessList.CACHED_APP_MIN_ADJ) {
    589             if (hasStartedServices) {
    590                 return ProcessList.SERVICE_B_ADJ;
    591             }
    592         }
    593         return setAdj;
    594     }
    595 
    596     public void forceProcessStateUpTo(int newState) {
    597         if (repProcState > newState) {
    598             curProcState = repProcState = newState;
    599         }
    600     }
    601 
    602     /*
    603      *  Delete all packages from list except the package indicated in info
    604      */
    605     public void resetPackageList(ProcessStatsService tracker) {
    606         final int N = pkgList.size();
    607         if (baseProcessTracker != null) {
    608             long now = SystemClock.uptimeMillis();
    609             baseProcessTracker.setState(ProcessStats.STATE_NOTHING,
    610                     tracker.getMemFactorLocked(), now, pkgList);
    611             if (N != 1) {
    612                 for (int i=0; i<N; i++) {
    613                     ProcessStats.ProcessState ps = pkgList.valueAt(i);
    614                     if (ps != null && ps != baseProcessTracker) {
    615                         ps.makeInactive();
    616                     }
    617 
    618                 }
    619                 pkgList.clear();
    620                 ProcessStats.ProcessState ps = tracker.getProcessStateLocked(
    621                         info.packageName, info.uid, processName);
    622                 pkgList.put(info.packageName, ps);
    623                 if (ps != baseProcessTracker) {
    624                     ps.makeActive();
    625                 }
    626             }
    627         } else if (N != 1) {
    628             pkgList.clear();
    629             pkgList.put(info.packageName, null);
    630         }
    631     }
    632 
    633     public String[] getPackageList() {
    634         int size = pkgList.size();
    635         if (size == 0) {
    636             return null;
    637         }
    638         String list[] = new String[size];
    639         for (int i=0; i<pkgList.size(); i++) {
    640             list[i] = pkgList.keyAt(i);
    641         }
    642         return list;
    643     }
    644 }
    645