Android ANR Analysis Solution

13:12:11 04-01. 572 I/InputDispatcher (220): Application is not responding: Window {2b263310com. android. email/com. android. email. activity. splitScreenActivitypaused = false }. 5009.8 ms since event, 5009.5 ms since waitstarted 04-011:12:11. 572 I/WindowManager (220): Input event dispatching timedout sending tocom. android. email/com. android. email. activity. splitScreenActivity 04-01 13:12:14. 123 I/Process (220 ): Sending signal. PID: 21404 SIG: 3---time when the anroccurs and time when trace.txt is generated 04-01 13:12:14. 123 I/dalvikvm (21404): threadid = 4: reacting to signal 3 ...... 04. 872 E/ActivityManager (220): ANR in com. android. email (com. android. email /. activity. splitScreenActivity) 04-011:12:15. 872 E/ActivityManager (220): Reason: keyDispatchingTimedOut 04-011:12:15. 872 E/ActivityManager (220): Load: 8.68/8.37/8.53 04-011. 872 E/ActivityManager (220): CPUusage from 4361 ms to 699 ms ago ---- CPU usage before the occurrence of ANR 04. 872 E/ActivityManager (220): 5.5% 21404/com. android. email: 1.3% user + 4.1% kernel/faults: 10 minor 04-011. 872 E/ActivityManager (220): 4.3% 220/system_server: 2.7% user + 1.5% kernel/faults: 11 minor 2 major 04-011. 872 E/ActivityManager (220): 0.9% 52/spi_qsd.0: 0% user + 0.9% kernel 04-011:12:15. 872 E/ActivityManager (220): 0.5% 65/irq/170-cyttsp-: 0% user + 0.5% kernel 04-011. 872 E/ActivityManager (220): 0.5% 296/com. android. systemui: 0.5% user + 0% kernel 04-011. 872 E/ActivityManager (220): 100% TOTAL: 4.8% user + 7.6% kernel + 87% iowait 04-011:12:15. 872 E/ActivityManager (220): CPUusage from 3697 ms to 4223 ms later: -- CPU usage after ANR 04-011. 872 E/ActivityManager (220): 25% 21404/com. android. email: 25% user + 0% kernel/faults: 191 minor 04-011. 872 E/ActivityManager (220): 16% 21603/_ eas (par. hakan: 16% user + 0% kernel 04-011. 872 E/ActivityManager (220): 7.2% 21406/GC: 7.2% user + 0% kernel 04-011:12:15. 872 E/ActivityManager (220): 1.8% 21409/Compiler: 1.8% user + 0% kernel 04-011:12:15. 872 E/ActivityManager (220): 5.5% 220/system_server: 0% user + 5.5% kernel/faults: 1 minor 04-011. 872 E/ActivityManager (220): 5.5% 263/InputDispatcher: 0% user + 5.5% kernel 04-011:12:15. 872 E/ActivityManager (220): 32% TOTAL: 28% user + 3.7% kernel

From the trace.txt file, the following information is seen at most:

  -----pid 21404 at 2011-04-01 13:12:14 -----     Cmdline: com.android.email    DALVIK THREADS:    (mutexes: tll=0tsl=0 tscl=0 ghl=0 hwl=0 hwll=0)    "main" prio=5 tid=1NATIVE    | group="main" sCount=1 dsCount=0obj=0x2aad2248 self=0xcf70    | sysTid=21404 nice=0 sched=0/0cgrp=[fopen-error:2]     handle=1876218976    atandroid.os.MessageQueue.nativePollOnce(Native Method)    atandroid.os.MessageQueue.next(MessageQueue.java:119)    atandroid.os.Looper.loop(Looper.java:110)    at android.app.ActivityThread.main(ActivityThread.java:3688)    at java.lang.reflect.Method.invokeNative(Native Method)    atjava.lang.reflect.Method.invoke(Method.java:507)    atcom.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)    at     com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624)    at dalvik.system.NativeStart.main(Native Method) 

Process:com.android.email    Activity:com.android.email/.activity.MessageView    Subject:keyDispatchingTimedOut    CPU usage from 2550ms to -2814ms ago:    5%187/system_server: 3.5% user + 1.4% kernel / faults: 86 minor 20major    4.4% 1134/com.android.email: 0.7% user + 3.7% kernel /faults: 38 minor 19 major    4% 372/com.android.eventstream: 0.7%user + 3.3% kernel / faults: 6 minor    1.1% 272/com.android.phone:0.9% user + 0.1% kernel / faults: 33 minor    0.9%252/com.android.systemui: 0.9% user + 0% kernel    0%409/com.android.eventstream.telephonyplugin: 0% user + 0% kernel /faults: 2 minor    0.1% 632/com.android.devicemonitor: 0.1% user + 0%kernel    100%TOTAL: 6.9% user + 8.2% kernel +84%iowait    -----pid 1134 at 2010-12-17 17:46:51 -----    Cmd line:com.android.email    DALVIK THREADS:    (mutexes: tll=0 tsl=0tscl=0 ghl=0 hwl=0 hwll=0)    "main" prio=5 tid=1 WAIT    |group="main" sCount=1 dsCount=0 obj=0x2aaca180self=0xcf20    | sysTid=1134 nice=0 sched=0/0 cgrp=[fopen-error:2]handle=1876218976    at java.lang.Object.wait(Native Method)    -waiting on <0x2aaca218> (a java.lang.VMThread)    atjava.lang.Thread.parkFor(Thread.java:1424)    atjava.lang.LangAccessImpl.parkFor(LangAccessImpl.java:48)    atsun.misc.Unsafe.park(Unsafe.java:337)    atjava.util.concurrent.locks.LockSupport.park(LockSupport.java:157)    atjava.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:808)    atjava.util.concurrent.locks.AbstractQueuedSynchronizer.acquireQueued(AbstractQueuedSynchronizer.java:841)    atjava.util.concurrent.locks.AbstractQueuedSynchronizer.acquire(AbstractQueuedSynchronizer.java:1171)    atjava.util.concurrent.locks.ReentrantLock$FairSync.lock(ReentrantLock.java:200)    atjava.util.concurrent.locks.ReentrantLock.lock(ReentrantLock.java:261)    atandroid.database.sqlite.SQLiteDatabase.lock(SQLiteDatabase.java:378)    atandroid.database.sqlite.SQLiteCursor.<init>(SQLiteCursor.java:222)    atandroid.database.sqlite.SQLiteDirectCursorDriver.query(SQLiteDirectCursorDriver.java:53)    atandroid.database.sqlite.SQLiteDatabase.rawQueryWithFactory(SQLiteDatabase.java:1356)    atandroid.database.sqlite.SQLiteDatabase.queryWithFactory(SQLiteDatabase.java:1235)    atandroid.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1189)    atandroid.database.sqlite.SQLiteDatabase.query(SQLiteDatabase.java:1271)    atcom.android.email.provider.EmailProvider.query(EmailProvider.java:1098)    atandroid.content.ContentProvider$Transport.query(ContentProvider.java:187)    atandroid.content.ContentResolver.query(ContentResolver.java:268)    atcom.android.email.provider.EmailContent$Message.restoreMessageWithId(EmailContent.java:648)    atcom.android.email.Controller.setMessageRead(Controller.java:658)    atcom.android.email.activity.MessageView.onMarkAsRead(MessageView.java:700)    atcom.android.email.activity.MessageView.access$2500(MessageView.java:98)    atcom.android.email.activity.MessageView$LoadBodyTask.onPostExecute(MessageView.java:1290)    atcom.android.email.activity.MessageView$LoadBodyTask.onPostExecute(MessageView.java:1255)    atandroid.os.AsyncTask.finish(AsyncTask.java:417)    atandroid.os.AsyncTask.access$300(AsyncTask.java:127)    atandroid.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:429)    atandroid.os.Handler.dispatchMessage(Handler.java:99)    atandroid.os.Looper.loop(Looper.java:123)    atandroid.app.ActivityThread.main(ActivityThread.java:3652)    atjava.lang.reflect.Method.invokeNative(Native Method)    atjava.lang.reflect.Method.invoke(Method.java:507)    atcom.android.internal.os.ZygoteIn    

final Message message=Message.restoreMessageWithId(mProviderContext,messageId);if(message==null){return;}Account account=Account.restoreAccountWithId(mProviderContext,message.mAccountKey);if(account==null){return;//isMessagingController returns false for null, but let's make itclear.}if(isMessagingController(account)){new Thread(){@Overridepublic void run(){mLegacyController.processPendingActions(message.mAccountKey);}}.start();}

 

newThread() {finalMessagemessage=Message.restoreMessageWithId(mProviderContext,messageId);if(message==null){return;}Accountaccount=Account.restoreAccountWithId(mProviderContext,message.mAccountKey);if(account==null){return;//isMessagingController returns false for null, but let's make itclear.}if(isMessagingController(account)) {mLegacyController.processPendingActions(message.mAccountKey);}}.start();

 

ANRin process: com.android.mediascape:PhotoViewer (last incom.android.mediascape:PhotoViewer)    Annotation:keyDispatchingTimedOut    CPU usage:    Load: 6.74 / 6.89 / 6.12    CPUusage from 8254ms to 3224ms ago:    ovider.webmedia: 4% = 4% user +0% kernel / faults: 68 minor    system_server: 2% = 1% user + 0%kernel / faults: 18 minor    re-initialized>: 0% = 0% user + 0%kernel / faults: 50 minor    events/0: 0% = 0% user + 0%kernel    TOTAL:7% = 6% user + 1% kernel    DALVIKTHREADS:    ""main"" prio=5 tid=3 NATIVE    |group=""main"" sCount=1 dsCount=0 s=Yobj=0x4001b240 self=0xbda8    | sysTid=2579 nice=0 sched=0/0cgrp=unknown handle=-1343993184    atorg.apache.harmony.luni.platform.OSNetworkSystem.receiveStreamImpl(NativeMethod)    atorg.apache.harmony.luni.platform.OSNetworkSystem.receiveStream(OSNetworkSystem.java:478)    atorg.apache.harmony.luni.net.PlainSocketImpl.read(PlainSocketImpl.java:565)    atorg.apache.harmony.luni.net.SocketInputStream.read(SocketInputStream.java:87)    atorg.apache.harmony.luni.internal.net.www.protocol.http.HttpURLConnection$LimitedInputStream.read(HttpURLConnection.java:303)    atjava.io.InputStream.read(InputStream.java:133)    atjava.io.BufferedInputStream.fillbuf(BufferedInputStream.java:157)    atjava.io.BufferedInputStream.read(BufferedInputStream.java:346)    atandroid.graphics.BitmapFactory.nativeDecodeStream(Native Method)    atandroid.graphics.BitmapFactory.decodeStream(BitmapFactory.java:459)    atcom.android.mediascape.activity.PhotoViewerActivity.getPreviewImage(PhotoViewerActivity.java:4465)    atcom.android.mediascape.activity.PhotoViewerActivity.dispPreview(PhotoViewerActivity.java:4406)    atcom.android.mediascape.activity.PhotoViewerActivity.access$6500(PhotoViewerActivity.java:125)    atcom.android.mediascape.activity.PhotoViewerActivity$33$1.run(PhotoViewerActivity.java:4558)    atandroid.os.Handler.handleCallback(Handler.java:587)    atandroid.os.Handler.dispatchMessage(Handler.java:92)    atandroid.os.Looper.loop(Looper.java:123)    atandroid.app.ActivityThread.main(ActivityThread.java:4370)    atjava.lang.reflect.Method.invokeNative(Native Method)    atjava.lang.reflect.Method.invoke(Method.java:521)    atcom.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)    atcom.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)    atdalvik.system.NativeStart.main(Native Method)    

11-1621:41:42.560 I/ActivityManager( 1190): ANR in process:android.process.acore (last in android.process.acore)    11-1621:41:42.560 I/ActivityManager( 1190): Annotation:keyDispatchingTimedOut    11-16 21:41:42.560 I/ActivityManager(1190): CPU usage:    11-16 21:41:42.560 I/ActivityManager( 1190):Load: 11.5 / 11.1 / 11.09    11-16 21:41:42.560 I/ActivityManager(1190): CPU usage from 9046ms to 4018ms ago:    11-16 21:41:42.560I/ActivityManager( 1190): d.process.acore:98%= 97% user + 0% kernel / faults: 1134 minor    11-16 21:41:42.560I/ActivityManager( 1190): system_server: 0% = 0% user + 0% kernel /faults: 1 minor    11-16 21:41:42.560 I/ActivityManager( 1190): adbd:0% = 0% user + 0% kernel    11-16 21:41:42.560 I/ActivityManager(1190): logcat: 0% = 0% user + 0% kernel    11-16 21:41:42.560I/ActivityManager( 1190): TOTAL:100% = 98% user + 1% kernel    Cmdline: android.process.acore    DALVIK THREADS:    "main"prio=5 tid=3 VMWAIT    |group="main" sCount=1 dsCount=0 s=N obj=0x40026240self=0xbda8    | sysTid=1815 nice=0 sched=0/0 cgrp=unknownhandle=-1344001376    atdalvik.system.VMRuntime.trackExternalAllocation(NativeMethod)    atandroid.graphics.Bitmap.nativeCreate(Native Method)    atandroid.graphics.Bitmap.createBitmap(Bitmap.java:468)    atandroid.view.View.buildDrawingCache(View.java:6324)    atandroid.view.View.getDrawingCache(View.java:6178)    atandroid.view.ViewGroup.drawChild(ViewGroup.java:1541)    ……    atcom.android.internal.policy.impl.PhoneWindow$DecorView.draw(PhoneWindow.java:1830)    atandroid.view.ViewRoot.draw(ViewRoot.java:1349)    atandroid.view.ViewRoot.performTraversals(ViewRoot.java:1114)    atandroid.view.ViewRoot.handleMessage(ViewRoot.java:1633)    atandroid.os.Handler.dispatchMessage(Handler.java:99)    atandroid.os.Looper.loop(Looper.java:123)    atandroid.app.ActivityThread.main(ActivityThread.java:4370)    atjava.lang.reflect.Method.invokeNative(Native Method)    atjava.lang.reflect.Method.invoke(Method.java:521)    atcom.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868)    atcom.android.internal.os.ZygoteInit.main(ZygoteInit.java:626)    atdalvik.system.NativeStart.main(Native Method)    "Thread-408"prio=5 tid=329 WAIT    |group="main" sCount=1 dsCount=0 s=N obj=0x46910d40self=0xcd0548    | sysTid=10602 nice=0 sched=0/0 cgrp=unknownhandle=15470792    at java.lang.Object.wait(Native Method)    -waiting on <0x468cd420> (a java.lang.Object)    atjava.lang.Object.wait(Object.java:288)    atcom.android.dialer.CallLogContentHelper$UiUpdaterExecutor$1.run(CallLogContentHelper.java:289)    atjava.lang.Thread.run(Thread.java:1096)