Watchdog.java revision 6ffce2e9a3c57634bb73f8ff133ca680f8070d5d
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2008 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage com.android.server; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport com.android.server.am.ActivityManagerService; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.AlarmManager; 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.app.PendingIntent; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.BroadcastReceiver; 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.ContentResolver; 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Intent; 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.IntentFilter; 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Debug; 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Handler; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Message; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.Process; 326ffce2e9a3c57634bb73f8ff133ca680f8070d5dSuchi Amalapurapuimport android.os.ServiceManager; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemProperties; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.provider.Settings; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Config; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.EventLog; 389bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnorimport android.util.Log; 398a9b22056b13477f59df934928c00c58b5871c95Joe Onoratoimport android.util.Slog; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 419bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnorimport java.io.File; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Calendar; 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** This class calls its monitor every minute. Killing this process if they don't return **/ 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Watchdog extends Thread { 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final String TAG = "Watchdog"; 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final boolean localLOGV = false || Config.LOGV; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set this to true to use debug default values. 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final boolean DB = false; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MONITOR = 2718; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int GLOBAL_PSS = 2719; 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TIME_TO_WAIT = DB ? 15*1000 : 60*1000; 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_INTERVAL = DB ? 30 : 30*60; // 30 minutes 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_LOG_REALTIME_INTERVAL = DB ? 60 : 2*60*60; // 2 hours 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_SYSTEM_SOFT_THRESHOLD = (DB ? 10:16)*1024*1024; // 16MB 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_SYSTEM_HARD_THRESHOLD = (DB ? 14:20)*1024*1024; // 20MB 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_PHONE_SOFT_THRESHOLD = (DB ? 4:8)*1024*1024; // 8MB 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_PHONE_HARD_THRESHOLD = (DB ? 8:12)*1024*1024; // 12MB 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_EXEC_START_TIME = 1*60*60; // 1:00am 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_EXEC_END_TIME = 5*60*60; // 5:00am 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_MIN_SCREEN_OFF = DB ? 1*60 : 5*60; // 5 minutes 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_MIN_ALARM = DB ? 1*60 : 3*60; // 3 minutes 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_RECHECK_INTERVAL = DB ? 1*60 : 5*60; // 5 minutes 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int REBOOT_DEFAULT_INTERVAL = DB ? 1 : 0; // never force reboot 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int REBOOT_DEFAULT_START_TIME = 3*60*60; // 3:00am 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int REBOOT_DEFAULT_WINDOW = 60*60; // within 1 hour 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final String CHECKUP_ACTION = "com.android.service.Watchdog.CHECKUP"; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final String REBOOT_ACTION = "com.android.service.Watchdog.REBOOT"; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static Watchdog sWatchdog; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* This handler will be used to post message back onto the main thread */ 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler mHandler; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Runnable mGlobalPssCollected; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<Monitor> mMonitors = new ArrayList<Monitor>(); 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContentResolver mResolver; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project BatteryService mBattery; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PowerManagerService mPower; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AlarmManagerService mAlarm; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ActivityManagerService mActivity; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCompleted; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mForceKillSystem; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Monitor mCurrentMonitor; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PssRequestor mPhoneReq; 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mPhonePid; 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mPhonePss; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mLastMemCheckTime = -(MEMCHECK_DEFAULT_INTERVAL*1000); 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mHavePss; 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mLastMemCheckRealtime = -(MEMCHECK_DEFAULT_LOG_REALTIME_INTERVAL*1000); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mHaveGlobalPss; 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MemMonitor mSystemMemMonitor = new MemMonitor("system", 103f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_SYSTEM_ENABLED, 104f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_SYSTEM_SOFT_THRESHOLD, 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_SYSTEM_SOFT_THRESHOLD, 106f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_SYSTEM_HARD_THRESHOLD, 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_SYSTEM_HARD_THRESHOLD); 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MemMonitor mPhoneMemMonitor = new MemMonitor("com.android.phone", 109f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_PHONE_ENABLED, 110f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_PHONE_SOFT_THRESHOLD, 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_PHONE_SOFT_THRESHOLD, 112f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_PHONE_HARD_THRESHOLD, 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_PHONE_HARD_THRESHOLD); 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Calendar mCalendar = Calendar.getInstance(); 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mMemcheckLastTime; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mMemcheckExecStartTime; 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mMemcheckExecEndTime; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMinScreenOff = MEMCHECK_DEFAULT_MIN_SCREEN_OFF; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMinAlarm = MEMCHECK_DEFAULT_MIN_ALARM; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mNeedScheduledCheck; 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PendingIntent mCheckupIntent; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PendingIntent mRebootIntent; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mBootTime; 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mRebootInterval; 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mReqRebootNoWait; // should wait for one interval before reboot? 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqRebootInterval = -1; // >= 0 if a reboot has been requested 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqRebootStartTime = -1; // >= 0 if a specific start time has been requested 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqRebootWindow = -1; // >= 0 if a specific window has been requested 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqMinScreenOff = -1; // >= 0 if a specific screen off time has been requested 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqMinNextAlarm = -1; // >= 0 if specific time to next alarm has been requested 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqRecheckInterval= -1; // >= 0 if a specific recheck interval has been requested 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This class monitors the memory in a particular process. 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class MemMonitor { 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String mProcessName; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String mEnabledSetting; 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String mSoftSetting; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String mHardSetting; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSoftThreshold; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mHardThreshold; 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mEnabled; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mLastPss; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int STATE_OK = 0; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int STATE_SOFT = 1; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int STATE_HARD = 2; 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mState; 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MemMonitor(String processName, String enabledSetting, 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String softSetting, int defSoftThreshold, 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String hardSetting, int defHardThreshold) { 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mProcessName = processName; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEnabledSetting = enabledSetting; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSoftSetting = softSetting; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHardSetting = hardSetting; 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSoftThreshold = defSoftThreshold; 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHardThreshold = defHardThreshold; 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void retrieveSettings(ContentResolver resolver) { 167f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mSoftThreshold = Settings.Secure.getInt( 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolver, mSoftSetting, mSoftThreshold); 169f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mHardThreshold = Settings.Secure.getInt( 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolver, mHardSetting, mHardThreshold); 171f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mEnabled = Settings.Secure.getInt( 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolver, mEnabledSetting, 0) != 0; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean checkLocked(long curTime, int pid, int pss) { 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastPss = pss; 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLastPss < mSoftThreshold) { 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_OK; 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mLastPss < mHardThreshold) { 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_SOFT; 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_HARD; 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 184ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_PROC_PSS, mProcessName, pid, mLastPss); 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == STATE_OK) { 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Memory is good, don't recover. 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == STATE_HARD) { 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Memory is really bad, kill right now. 193ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_HARD_RESET, mProcessName, pid, 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHardThreshold, mLastPss); 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEnabled; 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It is time to schedule a reset... 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we are currently within the time to kill processes due 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to memory use. 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeMemcheckTimesLocked(curTime); 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String skipReason = null; 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curTime < mMemcheckExecStartTime || curTime > mMemcheckExecEndTime) { 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipReason = "time"; 2059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipReason = shouldWeBeBrutalLocked(curTime); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 208ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_SOFT_RESET, mProcessName, pid, 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSoftThreshold, mLastPss, skipReason != null ? skipReason : ""); 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipReason != null) { 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedScheduledCheck = true; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEnabled; 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void clear() { 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastPss = 0; 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_OK; 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used for scheduling monitor callbacks and checking memory usage. 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class HeartbeatHandler extends Handler { 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (msg.what) { 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case GLOBAL_PSS: { 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHaveGlobalPss) { 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // During the last pass we collected pss information, so 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now it is time to report it. 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveGlobalPss = false; 2358a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Received global pss, logging."); 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project logGlobalMemory(); 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } break; 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MONITOR: { 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHavePss) { 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // During the last pass we collected pss information, so 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now it is time to report it. 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHavePss = false; 2458a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Have pss, checking memory."); 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkMemory(); 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHaveGlobalPss) { 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // During the last pass we collected pss information, so 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now it is time to report it. 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveGlobalPss = false; 2538a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Have global pss, logging."); 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project logGlobalMemory(); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long now = SystemClock.uptimeMillis(); 2589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we should force a reboot. 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int rebootInterval = mReqRebootInterval >= 0 261f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker ? mReqRebootInterval : Settings.Secure.getInt( 262f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.REBOOT_INTERVAL, 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project REBOOT_DEFAULT_INTERVAL); 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRebootInterval != rebootInterval) { 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRebootInterval = rebootInterval; 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We have been running long enough that a reboot can 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be considered... 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkReboot(false); 2699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we should check memory conditions. 272f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker long memCheckInterval = Settings.Secure.getLong( 273f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_INTERVAL, 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_INTERVAL) * 1000; 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mLastMemCheckTime+memCheckInterval) < now) { 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It is now time to collect pss information. This 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is async so we won't report it now. And to keep 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // things simple, we will assume that everyone has 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // reported back by the next MONITOR message. 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastMemCheckTime = now; 2818a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Collecting memory usage."); 2829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project collectMemory(); 2839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHavePss = true; 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 285f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker long memCheckRealtimeInterval = Settings.Secure.getLong( 286f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_LOG_REALTIME_INTERVAL, 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_LOG_REALTIME_INTERVAL) * 1000; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long realtimeNow = SystemClock.elapsedRealtime(); 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mLastMemCheckRealtime+memCheckRealtimeInterval) < realtimeNow) { 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastMemCheckRealtime = realtimeNow; 2918a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Collecting global memory usage."); 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project collectGlobalMemory(); 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveGlobalPss = true; 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int size = mMonitors.size(); 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0 ; i < size ; i++) { 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentMonitor = mMonitors.get(i); 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentMonitor.monitor(); 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (Watchdog.this) { 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCompleted = true; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentMonitor = null; 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } break; 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class GlobalPssCollected implements Runnable { 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.sendEmptyMessage(GLOBAL_PSS); 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class CheckupReceiver extends BroadcastReceiver { 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onReceive(Context c, Intent intent) { 3218a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Alarm went off, checking memory."); 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkMemory(); 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class RebootReceiver extends BroadcastReceiver { 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onReceive(Context c, Intent intent) { 3298a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Alarm went off, checking reboot."); 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkReboot(true); 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class RebootRequestReceiver extends BroadcastReceiver { 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onReceive(Context c, Intent intent) { 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootNoWait = intent.getIntExtra("nowait", 0) != 0; 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootInterval = intent.getIntExtra("interval", -1); 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootStartTime = intent.getIntExtra("startTime", -1); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootWindow = intent.getIntExtra("window", -1); 3419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqMinScreenOff = intent.getIntExtra("minScreenOff", -1); 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqMinNextAlarm = intent.getIntExtra("minNextAlarm", -1); 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRecheckInterval = intent.getIntExtra("recheckInterval", -1); 344ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_REQUESTED_REBOOT, 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootNoWait ? 1 : 0, mReqRebootInterval, 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRecheckInterval, mReqRebootStartTime, 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootWindow, mReqMinScreenOff, mReqMinNextAlarm); 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkReboot(true); 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface Monitor { 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void monitor(); 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PssRequestor { 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void requestPss(); 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class PssStats { 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mEmptyPss; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mEmptyCount; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mBackgroundPss; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mBackgroundCount; 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mServicePss; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mServiceCount; 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mVisiblePss; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mVisibleCount; 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mForegroundPss; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mForegroundCount; 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mNoPssCount; 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mProcDeaths[] = new int[10]; 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Watchdog getInstance() { 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sWatchdog == null) { 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sWatchdog = new Watchdog(); 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sWatchdog; 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Watchdog() { 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super("watchdog"); 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler = new HeartbeatHandler(); 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGlobalPssCollected = new GlobalPssCollected(); 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void init(Context context, BatteryService battery, 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PowerManagerService power, AlarmManagerService alarm, 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ActivityManagerService activity) { 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResolver = context.getContentResolver(); 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBattery = battery; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPower = power; 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm = alarm; 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActivity = activity; 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.registerReceiver(new CheckupReceiver(), 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new IntentFilter(CHECKUP_ACTION)); 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckupIntent = PendingIntent.getBroadcast(context, 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, new Intent(CHECKUP_ACTION), 0); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.registerReceiver(new RebootReceiver(), 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new IntentFilter(REBOOT_ACTION)); 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRebootIntent = PendingIntent.getBroadcast(context, 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, new Intent(REBOOT_ACTION), 0); 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.registerReceiver(new RebootRequestReceiver(), 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new IntentFilter(Intent.ACTION_REBOOT), 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android.Manifest.permission.REBOOT, null); 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBootTime = System.currentTimeMillis(); 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void processStarted(PssRequestor req, String name, int pid) { 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ("com.android.phone".equals(name)) { 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhoneReq = req; 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhonePid = pid; 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhonePss = 0; 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reportPss(PssRequestor req, String name, int pss) { 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPhoneReq == req) { 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhonePss = pss; 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addMonitor(Monitor monitor) { 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isAlive()) { 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Monitors can't be added while the Watchdog is running"); 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMonitors.add(monitor); 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve memory usage information from specific processes being 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * monitored. This is an async operation, so must be done before doing 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * memory checks. 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void collectMemory() { 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPhoneReq != null) { 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhoneReq.requestPss(); 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve memory usage over all application processes. This is an 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * async operation, so must be done before doing memory checks. 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void collectGlobalMemory() { 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActivity.requestPss(mGlobalPssCollected); 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Check memory usage in the system, scheduling kills/reboots as needed. 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This always runs on the mHandler thread. 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void checkMemory() { 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needScheduledCheck; 4719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long curTime; 4729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long nextTime = 0; 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 474f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker long recheckInterval = Settings.Secure.getLong( 475f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_RECHECK_INTERVAL, 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_RECHECK_INTERVAL) * 1000; 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSystemMemMonitor.retrieveSettings(mResolver); 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhoneMemMonitor.retrieveSettings(mResolver); 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project retrieveBrutalityAmount(); 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curTime = System.currentTimeMillis(); 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedScheduledCheck = false; 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // How is the system doing? 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSystemMemMonitor.checkLocked(curTime, Process.myPid(), 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)Process.getPss(Process.myPid()))) { 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Not good! Time to suicide. 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mForceKillSystem = true; 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyAll(); 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // How is the phone process doing? 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPhoneReq != null) { 4979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPhoneMemMonitor.checkLocked(curTime, mPhonePid, 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhonePss)) { 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Just kill the phone process and let it restart. 5008a9b22056b13477f59df934928c00c58b5871c95Joe Onorato Slog.i(TAG, "Watchdog is killing the phone process"); 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.killProcess(mPhonePid); 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhoneMemMonitor.clear(); 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needScheduledCheck = mNeedScheduledCheck; 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needScheduledCheck) { 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Something is going bad, but now is not a good time to 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tear things down... schedule an alarm to check again soon. 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nextTime = curTime + recheckInterval; 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nextTime < mMemcheckExecStartTime) { 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nextTime = mMemcheckExecStartTime; 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (nextTime >= mMemcheckExecEndTime){ 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Need to check during next exec time... so that needs 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to be computed. 5178a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Computing next time range"); 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeMemcheckTimesLocked(nextTime); 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nextTime = mMemcheckExecStartTime; 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) { 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.setTimeInMillis(nextTime); 5248a9b22056b13477f59df934928c00c58b5871c95Joe Onorato Slog.v(TAG, "Next Alarm Time: " + mCalendar); 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needScheduledCheck) { 5308a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Scheduling next memcheck alarm for " 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ((nextTime-curTime)/1000/60) + "m from now"); 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.remove(mCheckupIntent); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.set(AlarmManager.RTC_WAKEUP, nextTime, mCheckupIntent); 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5358a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "No need to schedule a memcheck alarm!"); 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.remove(mCheckupIntent); 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final PssStats mPssStats = new PssStats(); 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String[] mMemInfoFields = new String[] { 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "MemFree:", "Buffers:", "Cached:", 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Active:", "Inactive:", 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "AnonPages:", "Mapped:", "Slab:", 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "SReclaimable:", "SUnreclaim:", "PageTables:" }; 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long[] mMemInfoSizes = new long[mMemInfoFields.length]; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String[] mVMStatFields = new String[] { 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "pgfree ", "pgactivate ", "pgdeactivate ", 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "pgfault ", "pgmajfault " }; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long[] mVMStatSizes = new long[mVMStatFields.length]; 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long[] mPrevVMStatSizes = new long[mVMStatFields.length]; 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mLastLogGlobalMemoryTime; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void logGlobalMemory() { 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PssStats stats = mPssStats; 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActivity.collectPss(stats); 557ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_PSS_STATS, 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mEmptyPss, stats.mEmptyCount, 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mBackgroundPss, stats.mBackgroundCount, 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mServicePss, stats.mServiceCount, 5619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mVisiblePss, stats.mVisibleCount, 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mForegroundPss, stats.mForegroundCount, 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mNoPssCount); 564ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_PROC_STATS, 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mProcDeaths[0], stats.mProcDeaths[1], stats.mProcDeaths[2], 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mProcDeaths[3], stats.mProcDeaths[4]); 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.readProcLines("/proc/meminfo", mMemInfoFields, mMemInfoSizes); 5689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0; i<mMemInfoSizes.length; i++) { 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMemInfoSizes[i] *= 1024; 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 571ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_MEMINFO, 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mMemInfoSizes[0], (int)mMemInfoSizes[1], (int)mMemInfoSizes[2], 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mMemInfoSizes[3], (int)mMemInfoSizes[4], 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mMemInfoSizes[5], (int)mMemInfoSizes[6], (int)mMemInfoSizes[7], 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mMemInfoSizes[8], (int)mMemInfoSizes[9], (int)mMemInfoSizes[10]); 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long now = SystemClock.uptimeMillis(); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long dur = now - mLastLogGlobalMemoryTime; 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastLogGlobalMemoryTime = now; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.readProcLines("/proc/vmstat", mVMStatFields, mVMStatSizes); 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0; i<mVMStatSizes.length; i++) { 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long v = mVMStatSizes[i]; 5829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVMStatSizes[i] -= mPrevVMStatSizes[i]; 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrevVMStatSizes[i] = v; 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 585ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_VMSTAT, dur, 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mVMStatSizes[0], (int)mVMStatSizes[1], (int)mVMStatSizes[2], 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mVMStatSizes[3], (int)mVMStatSizes[4]); 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void checkReboot(boolean fromAlarm) { 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int rebootInterval = mReqRebootInterval >= 0 ? mReqRebootInterval 592f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getInt( 593f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.REBOOT_INTERVAL, 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project REBOOT_DEFAULT_INTERVAL); 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRebootInterval = rebootInterval; 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rebootInterval <= 0) { 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No reboot interval requested. 5988a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "No need to schedule a reboot alarm!"); 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.remove(mRebootIntent); 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long rebootStartTime = mReqRebootStartTime >= 0 ? mReqRebootStartTime 604f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getLong( 605f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.REBOOT_START_TIME, 6069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project REBOOT_DEFAULT_START_TIME); 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long rebootWindowMillis = (mReqRebootWindow >= 0 ? mReqRebootWindow 608f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getLong( 609f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.REBOOT_WINDOW, 6109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project REBOOT_DEFAULT_WINDOW)) * 1000; 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long recheckInterval = (mReqRecheckInterval >= 0 ? mReqRecheckInterval 612f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getLong( 613f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_RECHECK_INTERVAL, 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_RECHECK_INTERVAL)) * 1000; 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project retrieveBrutalityAmount(); 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long realStartTime; 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long now; 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project now = System.currentTimeMillis(); 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = computeCalendarTime(mCalendar, now, 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rebootStartTime); 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long rebootIntervalMillis = rebootInterval*24*60*60*1000; 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DB || mReqRebootNoWait || 6289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (now-mBootTime) >= (rebootIntervalMillis-rebootWindowMillis)) { 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fromAlarm && rebootWindowMillis <= 0) { 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No reboot window -- just immediately reboot. 631ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_SCHEDULED_REBOOT, now, 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)rebootIntervalMillis, (int)rebootStartTime*1000, 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)rebootWindowMillis, ""); 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rebootSystem("Checkin scheduled forced"); 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Are we within the reboot window? 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (now < realStartTime) { 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Schedule alarm for next check interval. 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = computeCalendarTime(mCalendar, 6429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project now, rebootStartTime); 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (now < (realStartTime+rebootWindowMillis)) { 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String doit = shouldWeBeBrutalLocked(now); 645ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_SCHEDULED_REBOOT, now, 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)rebootInterval, (int)rebootStartTime*1000, 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)rebootWindowMillis, doit != null ? doit : ""); 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (doit == null) { 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rebootSystem("Checked scheduled range"); 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Schedule next alarm either within the window or in the 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // next interval. 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((now+recheckInterval) >= (realStartTime+rebootWindowMillis)) { 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = computeCalendarTime(mCalendar, 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project now + rebootIntervalMillis, rebootStartTime); 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = now + recheckInterval; 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Schedule alarm for next check interval. 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = computeCalendarTime(mCalendar, 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project now + rebootIntervalMillis, rebootStartTime); 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6698a9b22056b13477f59df934928c00c58b5871c95Joe Onorato if (localLOGV) Slog.v(TAG, "Scheduling next reboot alarm for " 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ((realStartTime-now)/1000/60) + "m from now"); 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.remove(mRebootIntent); 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.set(AlarmManager.RTC_WAKEUP, realStartTime, mRebootIntent); 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform a full reboot of the system. 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void rebootSystem(String reason) { 6798a9b22056b13477f59df934928c00c58b5871c95Joe Onorato Slog.i(TAG, "Rebooting system because: " + reason); 6806ffce2e9a3c57634bb73f8ff133ca680f8070d5dSuchi Amalapurapu PowerManagerService pms = (PowerManagerService) ServiceManager.getService("power"); 6816ffce2e9a3c57634bb73f8ff133ca680f8070d5dSuchi Amalapurapu pms.reboot(reason); 6829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Load the current Gservices settings for when 6869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * {@link #shouldWeBeBrutalLocked} will allow the brutality to happen. 6879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Must not be called with the lock held. 6889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void retrieveBrutalityAmount() { 6909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMinScreenOff = (mReqMinScreenOff >= 0 ? mReqMinScreenOff 691f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getInt( 692f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_MIN_SCREEN_OFF, 6939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_MIN_SCREEN_OFF)) * 1000; 6949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMinAlarm = (mReqMinNextAlarm >= 0 ? mReqMinNextAlarm 695f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getInt( 696f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_MIN_ALARM, 6979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_MIN_ALARM)) * 1000; 6989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Determine whether it is a good time to kill, crash, or otherwise 7029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * plunder the current situation for the overall long-term benefit of 7039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * the world. 7049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param curTime The current system time. 7069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @return Returns null if this is a good time, else a String with the 7079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * text of why it is not a good time. 7089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String shouldWeBeBrutalLocked(long curTime) { 7109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mBattery == null || !mBattery.isPowered()) { 7119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "battery"; 7129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMinScreenOff >= 0 && (mPower == null || 7159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPower.timeSinceScreenOn() < mMinScreenOff)) { 7169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "screen"; 7179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMinAlarm >= 0 && (mAlarm == null || 7209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.timeToNextAlarm() < mMinAlarm)) { 7219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return "alarm"; 7229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return null; 7259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 7289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Compute the times during which we next would like to perform process 7299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * restarts. 7309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 7319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param curTime The current system time. 7329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 7339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void computeMemcheckTimesLocked(long curTime) { 7349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMemcheckLastTime == curTime) { 7359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 7369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMemcheckLastTime = curTime; 7399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 740f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker long memcheckExecStartTime = Settings.Secure.getLong( 741f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_EXEC_START_TIME, 7429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_EXEC_START_TIME); 743f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker long memcheckExecEndTime = Settings.Secure.getLong( 744f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_EXEC_END_TIME, 7459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_EXEC_END_TIME); 7469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMemcheckExecEndTime = computeCalendarTime(mCalendar, curTime, 7489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcheckExecEndTime); 7499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mMemcheckExecEndTime < curTime) { 7509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcheckExecStartTime += 24*60*60; 7519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcheckExecEndTime += 24*60*60; 7529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMemcheckExecEndTime = computeCalendarTime(mCalendar, curTime, 7539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcheckExecEndTime); 7549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMemcheckExecStartTime = computeCalendarTime(mCalendar, curTime, 7569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project memcheckExecStartTime); 7579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) { 7599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.setTimeInMillis(curTime); 7608a9b22056b13477f59df934928c00c58b5871c95Joe Onorato Slog.v(TAG, "Current Time: " + mCalendar); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.setTimeInMillis(mMemcheckExecStartTime); 7628a9b22056b13477f59df934928c00c58b5871c95Joe Onorato Slog.v(TAG, "Start Check Time: " + mCalendar); 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.setTimeInMillis(mMemcheckExecEndTime); 7648a9b22056b13477f59df934928c00c58b5871c95Joe Onorato Slog.v(TAG, "End Check Time: " + mCalendar); 7659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static long computeCalendarTime(Calendar c, long curTime, 7699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long secondsSinceMidnight) { 7709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // start with now 7729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.setTimeInMillis(curTime); 7739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int val = (int)secondsSinceMidnight / (60*60); 7759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.set(Calendar.HOUR_OF_DAY, val); 7769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project secondsSinceMidnight -= val * (60*60); 7779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project val = (int)secondsSinceMidnight / 60; 7789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.set(Calendar.MINUTE, val); 7799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.set(Calendar.SECOND, (int)secondsSinceMidnight - (val*60)); 7809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.set(Calendar.MILLISECOND, 0); 7819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long newTime = c.getTimeInMillis(); 7839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (newTime < curTime) { 7849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The given time (in seconds since midnight) has already passed for today, so advance 7859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // by one day (due to daylight savings, etc., the delta may differ from 24 hours). 7869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project c.add(Calendar.DAY_OF_MONTH, 1); 7879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project newTime = c.getTimeInMillis(); 7889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return newTime; 7919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 7929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 7949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 7959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project while (true) { 7969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCompleted = false; 7979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.sendEmptyMessage(MONITOR); 7989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 7999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 8009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long timeout = TIME_TO_WAIT; 8019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // NOTE: We use uptimeMillis() here because we do not want to increment the time we 8039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // wait while asleep. If the device is asleep then the thing that we are waiting 8049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to timeout on is asleep as well and won't have a chance to run. Causing a false 8059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // positive on when to kill things. 8069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long start = SystemClock.uptimeMillis(); 8079bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor while (timeout > 0 && !mForceKillSystem) { 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8099bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor wait(timeout); // notifyAll() is called when mForceKillSystem is set 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (InterruptedException e) { 8119bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor Log.wtf(TAG, e); 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timeout = TIME_TO_WAIT - (SystemClock.uptimeMillis() - start); 8149bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor } 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCompleted && !mForceKillSystem) { 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The monitors have returned. 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we got here, that means that the system is most likely hung. 8239bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor // First collect stack traces from all threads of the system process. 8249bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor // Then kill this process so that the system will restart. 8259bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String name = (mCurrentMonitor != null) ? mCurrentMonitor.getClass().getName() : "null"; 827ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG, name); 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8299bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor ArrayList pids = new ArrayList(); 8309bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor pids.add(Process.myPid()); 8319bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor File stack = ActivityManagerService.dumpStackTraces(pids); 8329bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor mActivity.addErrorToDropBox("watchdog", null, null, null, name, null, stack, null); 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Only kill the process if the debugger is not attached. 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!Debug.isDebuggerConnected()) { 8369bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor Slog.w(TAG, "*** WATCHDOG KILLING SYSTEM PROCESS: " + name); 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.killProcess(Process.myPid()); 8389bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor System.exit(10); 8399bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor } else { 8409bdc94b7a42a07d7dafcdf2cbadbb9c736b979d2Dan Egnor Slog.w(TAG, "Debugger connected: Watchdog is *not* killing the system process"); 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 845