Watchdog.java revision f68888951ae6056f5a15a7e2a84045c067bc6ba2
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; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemClock; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.os.SystemProperties; 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.provider.Settings; 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Config; 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.EventLog; 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.util.Log; 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.io.IOException; 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.ArrayList; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport java.util.Calendar; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** This class calls its monitor every minute. Killing this process if they don't return **/ 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class Watchdog extends Thread { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final String TAG = "Watchdog"; 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final boolean localLOGV = false || Config.LOGV; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Set this to true to use debug default values. 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final boolean DB = false; 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MONITOR = 2718; 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int GLOBAL_PSS = 2719; 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int TIME_TO_WAIT = DB ? 15*1000 : 60*1000; 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_INTERVAL = DB ? 30 : 30*60; // 30 minutes 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_LOG_REALTIME_INTERVAL = DB ? 60 : 2*60*60; // 2 hours 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_SYSTEM_SOFT_THRESHOLD = (DB ? 10:16)*1024*1024; // 16MB 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_SYSTEM_HARD_THRESHOLD = (DB ? 14:20)*1024*1024; // 20MB 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_PHONE_SOFT_THRESHOLD = (DB ? 4:8)*1024*1024; // 8MB 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_PHONE_HARD_THRESHOLD = (DB ? 8:12)*1024*1024; // 12MB 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_EXEC_START_TIME = 1*60*60; // 1:00am 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_EXEC_END_TIME = 5*60*60; // 5:00am 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_MIN_SCREEN_OFF = DB ? 1*60 : 5*60; // 5 minutes 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_MIN_ALARM = DB ? 1*60 : 3*60; // 3 minutes 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int MEMCHECK_DEFAULT_RECHECK_INTERVAL = DB ? 1*60 : 5*60; // 5 minutes 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int REBOOT_DEFAULT_INTERVAL = DB ? 1 : 0; // never force reboot 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int REBOOT_DEFAULT_START_TIME = 3*60*60; // 3:00am 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int REBOOT_DEFAULT_WINDOW = 60*60; // within 1 hour 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final String CHECKUP_ACTION = "com.android.service.Watchdog.CHECKUP"; 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final String REBOOT_ACTION = "com.android.service.Watchdog.REBOOT"; 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static Watchdog sWatchdog; 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /* This handler will be used to post message back onto the main thread */ 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Handler mHandler; 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Runnable mGlobalPssCollected; 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final ArrayList<Monitor> mMonitors = new ArrayList<Monitor>(); 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ContentResolver mResolver; 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project BatteryService mBattery; 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PowerManagerService mPower; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project AlarmManagerService mAlarm; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ActivityManagerService mActivity; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mCompleted; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mForceKillSystem; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Monitor mCurrentMonitor; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PssRequestor mPhoneReq; 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mPhonePid; 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mPhonePss; 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mLastMemCheckTime = -(MEMCHECK_DEFAULT_INTERVAL*1000); 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mHavePss; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mLastMemCheckRealtime = -(MEMCHECK_DEFAULT_LOG_REALTIME_INTERVAL*1000); 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mHaveGlobalPss; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MemMonitor mSystemMemMonitor = new MemMonitor("system", 100f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_SYSTEM_ENABLED, 101f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_SYSTEM_SOFT_THRESHOLD, 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_SYSTEM_SOFT_THRESHOLD, 103f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_SYSTEM_HARD_THRESHOLD, 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_SYSTEM_HARD_THRESHOLD); 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final MemMonitor mPhoneMemMonitor = new MemMonitor("com.android.phone", 106f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_PHONE_ENABLED, 107f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_PHONE_SOFT_THRESHOLD, 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_PHONE_SOFT_THRESHOLD, 109f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker Settings.Secure.MEMCHECK_PHONE_HARD_THRESHOLD, 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_PHONE_HARD_THRESHOLD); 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final Calendar mCalendar = Calendar.getInstance(); 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mMemcheckLastTime; 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mMemcheckExecStartTime; 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mMemcheckExecEndTime; 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMinScreenOff = MEMCHECK_DEFAULT_MIN_SCREEN_OFF; 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mMinAlarm = MEMCHECK_DEFAULT_MIN_ALARM; 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mNeedScheduledCheck; 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PendingIntent mCheckupIntent; 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PendingIntent mRebootIntent; 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mBootTime; 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mRebootInterval; 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mReqRebootNoWait; // should wait for one interval before reboot? 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqRebootInterval = -1; // >= 0 if a reboot has been requested 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqRebootStartTime = -1; // >= 0 if a specific start time has been requested 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqRebootWindow = -1; // >= 0 if a specific window has been requested 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqMinScreenOff = -1; // >= 0 if a specific screen off time has been requested 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqMinNextAlarm = -1; // >= 0 if specific time to next alarm has been requested 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mReqRecheckInterval= -1; // >= 0 if a specific recheck interval has been requested 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This class monitors the memory in a particular process. 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class MemMonitor { 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String mProcessName; 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String mEnabledSetting; 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String mSoftSetting; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String mHardSetting; 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mSoftThreshold; 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mHardThreshold; 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean mEnabled; 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mLastPss; 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int STATE_OK = 0; 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int STATE_SOFT = 1; 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project static final int STATE_HARD = 2; 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int mState; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MemMonitor(String processName, String enabledSetting, 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String softSetting, int defSoftThreshold, 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String hardSetting, int defHardThreshold) { 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mProcessName = processName; 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mEnabledSetting = enabledSetting; 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSoftSetting = softSetting; 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHardSetting = hardSetting; 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSoftThreshold = defSoftThreshold; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHardThreshold = defHardThreshold; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void retrieveSettings(ContentResolver resolver) { 164f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mSoftThreshold = Settings.Secure.getInt( 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolver, mSoftSetting, mSoftThreshold); 166f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mHardThreshold = Settings.Secure.getInt( 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolver, mHardSetting, mHardThreshold); 168f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mEnabled = Settings.Secure.getInt( 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project resolver, mEnabledSetting, 0) != 0; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean checkLocked(long curTime, int pid, int pss) { 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastPss = pss; 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mLastPss < mSoftThreshold) { 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_OK; 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (mLastPss < mHardThreshold) { 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_SOFT; 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_HARD; 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 181ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_PROC_PSS, mProcessName, pid, mLastPss); 1829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == STATE_OK) { 1849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Memory is good, don't recover. 1859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mState == STATE_HARD) { 1899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Memory is really bad, kill right now. 190ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_HARD_RESET, mProcessName, pid, 1919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHardThreshold, mLastPss); 1929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEnabled; 1939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It is time to schedule a reset... 1969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Check if we are currently within the time to kill processes due 1979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to memory use. 1989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeMemcheckTimesLocked(curTime); 1999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String skipReason = null; 2009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (curTime < mMemcheckExecStartTime || curTime > mMemcheckExecEndTime) { 2019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipReason = "time"; 2029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 2039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project skipReason = shouldWeBeBrutalLocked(curTime); 2049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 205ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_SOFT_RESET, mProcessName, pid, 2069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSoftThreshold, mLastPss, skipReason != null ? skipReason : ""); 2079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (skipReason != null) { 2089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedScheduledCheck = true; 2099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 2109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mEnabled; 2129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void clear() { 2159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastPss = 0; 2169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mState = STATE_OK; 2179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 2219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Used for scheduling monitor callbacks and checking memory usage. 2229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 2239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class HeartbeatHandler extends Handler { 2249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 2259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void handleMessage(Message msg) { 2269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project switch (msg.what) { 2279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case GLOBAL_PSS: { 2289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHaveGlobalPss) { 2299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // During the last pass we collected pss information, so 2309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now it is time to report it. 2319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveGlobalPss = false; 2329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Received global pss, logging."); 2339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project logGlobalMemory(); 2349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } break; 2369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project case MONITOR: { 2389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHavePss) { 2399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // During the last pass we collected pss information, so 2409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now it is time to report it. 2419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHavePss = false; 2429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Have pss, checking memory."); 2439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkMemory(); 2449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mHaveGlobalPss) { 2479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // During the last pass we collected pss information, so 2489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // now it is time to report it. 2499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveGlobalPss = false; 2509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Have global pss, logging."); 2519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project logGlobalMemory(); 2529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long now = SystemClock.uptimeMillis(); 2559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we should force a reboot. 2579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int rebootInterval = mReqRebootInterval >= 0 258f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker ? mReqRebootInterval : Settings.Secure.getInt( 259f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.REBOOT_INTERVAL, 2609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project REBOOT_DEFAULT_INTERVAL); 2619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mRebootInterval != rebootInterval) { 2629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRebootInterval = rebootInterval; 2639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // We have been running long enough that a reboot can 2649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // be considered... 2659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkReboot(false); 2669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // See if we should check memory conditions. 269f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker long memCheckInterval = Settings.Secure.getLong( 270f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_INTERVAL, 2719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_INTERVAL) * 1000; 2729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mLastMemCheckTime+memCheckInterval) < now) { 2739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // It is now time to collect pss information. This 2749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // is async so we won't report it now. And to keep 2759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // things simple, we will assume that everyone has 2769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // reported back by the next MONITOR message. 2779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastMemCheckTime = now; 2789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Collecting memory usage."); 2799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project collectMemory(); 2809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHavePss = true; 2819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 282f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker long memCheckRealtimeInterval = Settings.Secure.getLong( 283f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_LOG_REALTIME_INTERVAL, 2849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_LOG_REALTIME_INTERVAL) * 1000; 2859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long realtimeNow = SystemClock.elapsedRealtime(); 2869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((mLastMemCheckRealtime+memCheckRealtimeInterval) < realtimeNow) { 2879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastMemCheckRealtime = realtimeNow; 2889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Collecting global memory usage."); 2899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project collectGlobalMemory(); 2909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHaveGlobalPss = true; 2919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 2949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final int size = mMonitors.size(); 2959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i = 0 ; i < size ; i++) { 2969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentMonitor = mMonitors.get(i); 2979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentMonitor.monitor(); 2989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 2999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (Watchdog.this) { 3019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCompleted = true; 3029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCurrentMonitor = null; 3039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } break; 3059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class GlobalPssCollected implements Runnable { 3109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void run() { 3119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler.sendEmptyMessage(GLOBAL_PSS); 3129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class CheckupReceiver extends BroadcastReceiver { 3169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onReceive(Context c, Intent intent) { 3189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Alarm went off, checking memory."); 3199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkMemory(); 3209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class RebootReceiver extends BroadcastReceiver { 3249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onReceive(Context c, Intent intent) { 3269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Alarm went off, checking reboot."); 3279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkReboot(true); 3289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final class RebootRequestReceiver extends BroadcastReceiver { 3329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override 3339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void onReceive(Context c, Intent intent) { 3349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootNoWait = intent.getIntExtra("nowait", 0) != 0; 3359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootInterval = intent.getIntExtra("interval", -1); 3369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootStartTime = intent.getIntExtra("startTime", -1); 3379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootWindow = intent.getIntExtra("window", -1); 3389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqMinScreenOff = intent.getIntExtra("minScreenOff", -1); 3399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqMinNextAlarm = intent.getIntExtra("minNextAlarm", -1); 3409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRecheckInterval = intent.getIntExtra("recheckInterval", -1); 341ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_REQUESTED_REBOOT, 3429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootNoWait ? 1 : 0, mReqRebootInterval, 3439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRecheckInterval, mReqRebootStartTime, 3449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mReqRebootWindow, mReqMinScreenOff, mReqMinNextAlarm); 3459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project checkReboot(true); 3469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface Monitor { 3509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void monitor(); 3519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public interface PssRequestor { 3549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void requestPss(); 3559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public class PssStats { 3589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mEmptyPss; 3599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mEmptyCount; 3609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mBackgroundPss; 3619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mBackgroundCount; 3629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mServicePss; 3639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mServiceCount; 3649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mVisiblePss; 3659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mVisibleCount; 3669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mForegroundPss; 3679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mForegroundCount; 3689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mNoPssCount; 3709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public int mProcDeaths[] = new int[10]; 3729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public static Watchdog getInstance() { 3759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (sWatchdog == null) { 3769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project sWatchdog = new Watchdog(); 3779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return sWatchdog; 3809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Watchdog() { 3839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super("watchdog"); 3849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mHandler = new HeartbeatHandler(); 3859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mGlobalPssCollected = new GlobalPssCollected(); 3869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 3879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void init(Context context, BatteryService battery, 3899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PowerManagerService power, AlarmManagerService alarm, 3909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ActivityManagerService activity) { 3919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mResolver = context.getContentResolver(); 3929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBattery = battery; 3939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPower = power; 3949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm = alarm; 3959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActivity = activity; 3969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 3979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.registerReceiver(new CheckupReceiver(), 3989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new IntentFilter(CHECKUP_ACTION)); 3999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCheckupIntent = PendingIntent.getBroadcast(context, 4009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, new Intent(CHECKUP_ACTION), 0); 4019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.registerReceiver(new RebootReceiver(), 4039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new IntentFilter(REBOOT_ACTION)); 4049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRebootIntent = PendingIntent.getBroadcast(context, 4059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 0, new Intent(REBOOT_ACTION), 0); 4069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project context.registerReceiver(new RebootRequestReceiver(), 4089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project new IntentFilter(Intent.ACTION_REBOOT), 4099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android.Manifest.permission.REBOOT, null); 4109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBootTime = System.currentTimeMillis(); 4129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void processStarted(PssRequestor req, String name, int pid) { 4159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ("com.android.phone".equals(name)) { 4179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhoneReq = req; 4189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhonePid = pid; 4199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhonePss = 0; 4209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void reportPss(PssRequestor req, String name, int pss) { 4259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPhoneReq == req) { 4279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhonePss = pss; 4289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public void addMonitor(Monitor monitor) { 4339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (isAlive()) { 4359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new RuntimeException("Monitors can't be added while the Watchdog is running"); 4369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMonitors.add(monitor); 4389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve memory usage information from specific processes being 4439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * monitored. This is an async operation, so must be done before doing 4449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * memory checks. 4459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void collectMemory() { 4479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPhoneReq != null) { 4499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhoneReq.requestPss(); 4509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Retrieve memory usage over all application processes. This is an 4569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * async operation, so must be done before doing memory checks. 4579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void collectGlobalMemory() { 4599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActivity.requestPss(mGlobalPssCollected); 4609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 4639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Check memory usage in the system, scheduling kills/reboots as needed. 4649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * This always runs on the mHandler thread. 4659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 4669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void checkMemory() { 4679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project boolean needScheduledCheck; 4689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long curTime; 4699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long nextTime = 0; 4709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 471f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker long recheckInterval = Settings.Secure.getLong( 472f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_RECHECK_INTERVAL, 4739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_RECHECK_INTERVAL) * 1000; 4749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mSystemMemMonitor.retrieveSettings(mResolver); 4769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhoneMemMonitor.retrieveSettings(mResolver); 4779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project retrieveBrutalityAmount(); 4789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 4809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project curTime = System.currentTimeMillis(); 4819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mNeedScheduledCheck = false; 4829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // How is the system doing? 4849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mSystemMemMonitor.checkLocked(curTime, Process.myPid(), 4859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)Process.getPss(Process.myPid()))) { 4869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Not good! Time to suicide. 4879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mForceKillSystem = true; 4889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project notifyAll(); 4899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 4909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 4919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 4929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // How is the phone process doing? 4939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPhoneReq != null) { 4949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mPhoneMemMonitor.checkLocked(curTime, mPhonePid, 4959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhonePss)) { 4969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Just kill the phone process and let it restart. 497723738cfaec3dd7b0fe152c872c41bebf94074c4Dianne Hackborn Log.i(TAG, "Watchdog is killing the phone process"); 4989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.killProcess(mPhonePid); 4999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPhoneMemMonitor.clear(); 5029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project needScheduledCheck = mNeedScheduledCheck; 5059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needScheduledCheck) { 5069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Something is going bad, but now is not a good time to 5079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // tear things down... schedule an alarm to check again soon. 5089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nextTime = curTime + recheckInterval; 5099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (nextTime < mMemcheckExecStartTime) { 5109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nextTime = mMemcheckExecStartTime; 5119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (nextTime >= mMemcheckExecEndTime){ 5129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Need to check during next exec time... so that needs 5139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // to be computed. 5149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Computing next time range"); 5159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project computeMemcheckTimesLocked(nextTime); 5169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project nextTime = mMemcheckExecStartTime; 5179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) { 5209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.setTimeInMillis(nextTime); 5219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Next Alarm Time: " + mCalendar); 5229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (needScheduledCheck) { 5279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Scheduling next memcheck alarm for " 5289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ((nextTime-curTime)/1000/60) + "m from now"); 5299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.remove(mCheckupIntent); 5309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.set(AlarmManager.RTC_WAKEUP, nextTime, mCheckupIntent); 5319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 5329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "No need to schedule a memcheck alarm!"); 5339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.remove(mCheckupIntent); 5349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final PssStats mPssStats = new PssStats(); 5389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String[] mMemInfoFields = new String[] { 5399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "MemFree:", "Buffers:", "Cached:", 5409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "Active:", "Inactive:", 5419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "AnonPages:", "Mapped:", "Slab:", 5429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "SReclaimable:", "SUnreclaim:", "PageTables:" }; 5439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long[] mMemInfoSizes = new long[mMemInfoFields.length]; 5449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final String[] mVMStatFields = new String[] { 5459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "pgfree ", "pgactivate ", "pgdeactivate ", 5469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project "pgfault ", "pgmajfault " }; 5479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long[] mVMStatSizes = new long[mVMStatFields.length]; 5489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final long[] mPrevVMStatSizes = new long[mVMStatFields.length]; 5499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long mLastLogGlobalMemoryTime; 5509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void logGlobalMemory() { 5529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project PssStats stats = mPssStats; 5539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mActivity.collectPss(stats); 554ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_PSS_STATS, 5559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mEmptyPss, stats.mEmptyCount, 5569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mBackgroundPss, stats.mBackgroundCount, 5579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mServicePss, stats.mServiceCount, 5589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mVisiblePss, stats.mVisibleCount, 5599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mForegroundPss, stats.mForegroundCount, 5609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mNoPssCount); 561ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_PROC_STATS, 5629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mProcDeaths[0], stats.mProcDeaths[1], stats.mProcDeaths[2], 5639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project stats.mProcDeaths[3], stats.mProcDeaths[4]); 5649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.readProcLines("/proc/meminfo", mMemInfoFields, mMemInfoSizes); 5659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0; i<mMemInfoSizes.length; i++) { 5669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mMemInfoSizes[i] *= 1024; 5679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 568ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_MEMINFO, 5699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mMemInfoSizes[0], (int)mMemInfoSizes[1], (int)mMemInfoSizes[2], 5709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mMemInfoSizes[3], (int)mMemInfoSizes[4], 5719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mMemInfoSizes[5], (int)mMemInfoSizes[6], (int)mMemInfoSizes[7], 5729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mMemInfoSizes[8], (int)mMemInfoSizes[9], (int)mMemInfoSizes[10]); 5739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long now = SystemClock.uptimeMillis(); 5749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long dur = now - mLastLogGlobalMemoryTime; 5759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mLastLogGlobalMemoryTime = now; 5769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.readProcLines("/proc/vmstat", mVMStatFields, mVMStatSizes); 5779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (int i=0; i<mVMStatSizes.length; i++) { 5789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long v = mVMStatSizes[i]; 5799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mVMStatSizes[i] -= mPrevVMStatSizes[i]; 5809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mPrevVMStatSizes[i] = v; 5819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 582ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_VMSTAT, dur, 5839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mVMStatSizes[0], (int)mVMStatSizes[1], (int)mVMStatSizes[2], 5849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)mVMStatSizes[3], (int)mVMStatSizes[4]); 5859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 5879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void checkReboot(boolean fromAlarm) { 5889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int rebootInterval = mReqRebootInterval >= 0 ? mReqRebootInterval 589f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getInt( 590f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.REBOOT_INTERVAL, 5919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project REBOOT_DEFAULT_INTERVAL); 5929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mRebootInterval = rebootInterval; 5939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (rebootInterval <= 0) { 5949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No reboot interval requested. 5959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "No need to schedule a reboot alarm!"); 5969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.remove(mRebootIntent); 5979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 5989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 5999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long rebootStartTime = mReqRebootStartTime >= 0 ? mReqRebootStartTime 601f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getLong( 602f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.REBOOT_START_TIME, 6039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project REBOOT_DEFAULT_START_TIME); 6049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long rebootWindowMillis = (mReqRebootWindow >= 0 ? mReqRebootWindow 605f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getLong( 606f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.REBOOT_WINDOW, 6079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project REBOOT_DEFAULT_WINDOW)) * 1000; 6089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long recheckInterval = (mReqRecheckInterval >= 0 ? mReqRecheckInterval 609f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker : Settings.Secure.getLong( 610f68888951ae6056f5a15a7e2a84045c067bc6ba2Doug Zongker mResolver, Settings.Secure.MEMCHECK_RECHECK_INTERVAL, 6119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project MEMCHECK_DEFAULT_RECHECK_INTERVAL)) * 1000; 6129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project retrieveBrutalityAmount(); 6149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long realStartTime; 6169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long now; 6179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project synchronized (this) { 6199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project now = System.currentTimeMillis(); 6209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = computeCalendarTime(mCalendar, now, 6219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rebootStartTime); 6229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project long rebootIntervalMillis = rebootInterval*24*60*60*1000; 6249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (DB || mReqRebootNoWait || 6259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (now-mBootTime) >= (rebootIntervalMillis-rebootWindowMillis)) { 6269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (fromAlarm && rebootWindowMillis <= 0) { 6279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // No reboot window -- just immediately reboot. 628ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_SCHEDULED_REBOOT, now, 6299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)rebootIntervalMillis, (int)rebootStartTime*1000, 6309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)rebootWindowMillis, ""); 6319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rebootSystem("Checkin scheduled forced"); 6329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Are we within the reboot window? 6369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (now < realStartTime) { 6379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Schedule alarm for next check interval. 6389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = computeCalendarTime(mCalendar, 6399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project now, rebootStartTime); 6409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else if (now < (realStartTime+rebootWindowMillis)) { 6419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String doit = shouldWeBeBrutalLocked(now); 642ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG_SCHEDULED_REBOOT, now, 6439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)rebootInterval, (int)rebootStartTime*1000, 6449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project (int)rebootWindowMillis, doit != null ? doit : ""); 6459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (doit == null) { 6469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project rebootSystem("Checked scheduled range"); 6479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return; 6489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Schedule next alarm either within the window or in the 6519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // next interval. 6529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if ((now+recheckInterval) >= (realStartTime+rebootWindowMillis)) { 6539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = computeCalendarTime(mCalendar, 6549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project now + rebootIntervalMillis, rebootStartTime); 6559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = now + recheckInterval; 6579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 6599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Schedule alarm for next check interval. 6609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project realStartTime = computeCalendarTime(mCalendar, 6619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project now + rebootIntervalMillis, rebootStartTime); 6629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (localLOGV) Log.v(TAG, "Scheduling next reboot alarm for " 6679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project + ((realStartTime-now)/1000/60) + "m from now"); 6689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.remove(mRebootIntent); 6699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mAlarm.set(AlarmManager.RTC_WAKEUP, realStartTime, mRebootIntent); 6709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 6719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 6729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 6739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Perform a full reboot of the system. 6749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 6759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project void rebootSystem(String reason) { 6769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.i(TAG, "Rebooting system because: " + reason); 6779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 6789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project android.os.Power.reboot(reason); 6799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (IOException e) { 6809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e(TAG, "Reboot failed!", e); 6819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 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); 7609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Current Time: " + mCalendar); 7619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.setTimeInMillis(mMemcheckExecStartTime); 7629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.v(TAG, "Start Check Time: " + mCalendar); 7639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mCalendar.setTimeInMillis(mMemcheckExecEndTime); 7649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.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(); 8079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project do { 8089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project wait(timeout); 8109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (InterruptedException e) { 8119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (SystemProperties.getBoolean("ro.secure", false)) { 8129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If this is a secure build, just log the error. 8139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Log.e("WatchDog", "Woof! Woof! Interrupter!"); 8149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } else { 8159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project throw new AssertionError("Someone interrupted the watchdog"); 8169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project timeout = TIME_TO_WAIT - (SystemClock.uptimeMillis() - start); 8199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } while (timeout > 0 && !mForceKillSystem); 8209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mCompleted && !mForceKillSystem) { 8229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // The monitors have returned. 8239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project continue; 8249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // If we got here, that means that the system is most likely hung. 8289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // First send a SIGQUIT so that we can see where it was hung. Then 8299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // kill this process so that the system will restart. 8309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project String name = (mCurrentMonitor != null) ? mCurrentMonitor.getClass().getName() : "null"; 831ab5c49c7e7f5f61040650109a76f38a443fb852dDoug Zongker EventLog.writeEvent(EventLogTags.WATCHDOG, name); 8329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.sendSignal(Process.myPid(), Process.SIGNAL_QUIT); 8339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Wait a bit longer before killing so we can make sure that the stacks are captured. 8359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project try { 8369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Thread.sleep(10*1000); 8379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } catch (InterruptedException e) { 8389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 8409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Only kill the process if the debugger is not attached. 8419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (!Debug.isDebuggerConnected()) { 842723738cfaec3dd7b0fe152c872c41bebf94074c4Dianne Hackborn Log.i(TAG, "Watchdog is killing the system process"); 8439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Process.killProcess(Process.myPid()); 8449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 8479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 848