title: How to analyze an Android /data/anr/traces.txt file?
body: <p>I've got an ANR error on my android app.</p>
  
  <p>It's trace is below</p>
  
  <p><strong>"main" and "Thread-20153" are main problem of ANR?</strong></p>
  
  <pre><code>DALVIK THREADS:
  (mutexes: tll=0 tsl=0 tscl=0 ghl=0)
  "main" prio=5 tid=1 SUSPENDED
    | group="main" sCount=2 dsCount=1 obj=0x40aee490 self=0x1fbad70
    | sysTid=3805 nice=0 sched=0/0 cgrp=default handle=1074664744
    | schedstat=( 378517060062 270739989762 791048 ) utm=33581 stm=4270 core=0
    at android.app.ActivityThread.performResumeActivity(ActivityThread.java:~2812)
    at android.app.ActivityThread.handleResumeActivity(ActivityThread.java:2851)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1287)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:154)
    at android.app.ActivityThread.main(ActivityThread.java:4945)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:511)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:784)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:551)
    at dalvik.system.NativeStart.main(Native Method)
  
  "Thread-20153" prio=5 tid=22 TIMED_WAIT
    | group="main" sCount=1 dsCount=0 obj=0x41463760 self=0x3018ea0
    | sysTid=7466 nice=0 sched=0/0 cgrp=default handle=43164240
    | schedstat=( 32867433 91186523 62 ) utm=2 stm=1 core=0
    at java.lang.VMThread.sleep(Native Method)
    at java.lang.Thread.sleep(Thread.java:1047)
    at java.lang.Thread.sleep(Thread.java:1029)
    at com.mocoplex.adlib.AdlibManager$b.run(AdlibManager.java:1068)
  
  "Timer-3" prio=5 tid=18 TIMED_WAIT
    | group="main" sCount=1 dsCount=0 obj=0x4114a748 self=0x2984f48
    | sysTid=5953 nice=0 sched=0/0 cgrp=default handle=46807576
    | schedstat=( 48645025 59570314 230 ) utm=4 stm=0 core=0
    at java.lang.Object.wait(Native Method)
    - waiting on &lt;0x4114a748&gt; (a java.util.Timer$TimerImpl)
    at java.lang.Object.wait(Object.java:401)
    at java.util.Timer$TimerImpl.run(Timer.java:238)
  
  "Timer-2" prio=5 tid=20 TIMED_WAIT
    | group="main" sCount=1 dsCount=0 obj=0x41103688 self=0x2a53738
    | sysTid=5861 nice=0 sched=0/0 cgrp=default handle=43212688
    | schedstat=( 48461919 64544676 234 ) utm=4 stm=0 core=0
    at java.lang.Object.wait(Native Method)
    - waiting on &lt;0x41103688&gt; (a java.util.Timer$TimerImpl)
    at java.lang.Object.wait(Object.java:401)
    at java.util.Timer$TimerImpl.run(Timer.java:238)
  
  "Binder Thread #4" prio=5 tid=16 NATIVE
    | group="main" sCount=1 dsCount=0 obj=0x410d7a90 self=0x2877ef8
    | sysTid=4496 nice=0 sched=0/0 cgrp=default handle=43222816
    | schedstat=( 556243916 622314442 2261 ) utm=30 stm=25 core=0
    at dalvik.system.NativeStart.run(Native Method)
  
  "Binder Thread #3" prio=5 tid=21 NATIVE
    | group="main" sCount=1 dsCount=0 obj=0x40e9bd30 self=0x296a800
    | sysTid=3971 nice=0 sched=0/0 cgrp=default handle=43484856
    | schedstat=( 755767858 956115700 2837 ) utm=47 stm=28 core=0
    at dalvik.system.NativeStart.run(Native Method)
  
  "Timer-1" prio=5 tid=12 TIMED_WAIT
    | group="main" sCount=1 dsCount=0 obj=0x40da4778 self=0x2817d28
    | sysTid=3955 nice=0 sched=0/0 cgrp=default handle=42812624
    | schedstat=( 78033460 63385008 360 ) utm=3 stm=4 core=0
    at java.lang.Object.wait(Native Method)
    - waiting on &lt;0x40da4778&gt; (a java.util.Timer$TimerImpl)
    at java.lang.Object.wait(Object.java:401)
    at java.util.Timer$TimerImpl.run(Timer.java:238)
  
  "Thread-19213" prio=5 tid=14 NATIVE
    | group="main" sCount=1 dsCount=0 obj=0x40f47bc0 self=0x28397d8
    | sysTid=3894 nice=0 sched=0/0 cgrp=default handle=41749600
    | schedstat=( 6582580563 4471832242 16030 ) utm=317 stm=341 core=0
    at dalvik.system.NativeStart.run(Native Method)
  
  "AsyncTask #1" prio=5 tid=19 WAIT
    | group="main" sCount=1 dsCount=0 obj=0x40ec6b60 self=0x2799b10
    | sysTid=3886 nice=10 sched=0/0 cgrp=default handle=41517920
    | schedstat=( 85784919 298645016 925 ) utm=5 stm=3 core=1
    at java.lang.Object.wait(Native Method)
    - waiting on &lt;0x40ec70f8&gt; (a java.lang.VMThread) held by tid=19 (AsyncTask #1)
    at java.lang.Thread.parkFor(Thread.java:1250)
    at sun.misc.Unsafe.park(Unsafe.java:323)
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:157)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2022)
    at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:413)
    at java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1009)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1069)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:569)
    at java.lang.Thread.run(Thread.java:864)
  
  "GAThread" prio=5 tid=17 WAIT
    | group="main" sCount=1 dsCount=0 obj=0x40e14cd8 self=0x265ea78
    | sysTid=3849 nice=0 sched=0/0 cgrp=default handle=40098064
    | schedstat=( 98105010984 112702484189 420613 ) utm=8608 stm=1202 core=0
    at java.lang.Object.wait(Native Method)
    - waiting on &lt;0x40e14f48&gt; (a java.lang.VMThread) held by tid=17 (GAThread)
    at java.lang.Thread.parkFor(Thread.java:1250)
    at sun.misc.Unsafe.park(Unsafe.java:323)
    at java.util.concurrent.locks.LockSupport.park(LockSupport.java:157)
    at java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2022)
    at java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:413)
    at com.google.analytics.tracking.android.GAThread.run(GAThread.java:518)
  
  "Timer-0" prio=5 tid=15 TIMED_WAIT
    | group="main" sCount=1 dsCount=0 obj=0x40e0b258 self=0x2644908
    | sysTid=3847 nice=0 sched=0/0 cgrp=default handle=39852224
    | schedstat=( 8728025 27526859 49 ) utm=0 stm=0 core=0
    at java.lang.Object.wait(Native Method)
    - waiting on &lt;0x40e0b258&gt; (a java.util.Timer$TimerImpl)
    at java.lang.Object.wait(Object.java:401)
    at java.util.Timer$TimerImpl.run(Timer.java:238)
  
  "CookieSyncManager" prio=5 tid=13 NATIVE
    | group="main" sCount=1 dsCount=0 obj=0x40dd51d8 self=0x2205750
    | sysTid=3839 nice=10 sched=0/0 cgrp=default handle=35690744
    | schedstat=( 3601070 48522953 21 ) utm=0 stm=0 core=0
    at android.os.MessageQueue.nativePollOnce(Native Method)
    at android.os.MessageQueue.next(MessageQueue.java:118)
    at android.os.Looper.loop(Looper.java:124)
    at android.webkit.WebSyncManager.run(WebSyncManager.java:90)
    at android.webkit.CookieSyncManager.run(CookieSyncManager.java:61)
    at java.lang.Thread.run(Thread.java:864)
  
  "WebViewCoreThread" prio=5 tid=11 SUSPENDED
    | group="main" sCount=1 dsCount=0 obj=0x40dd1000 self=0x21d3268
    | sysTid=3837 nice=0 sched=0/0 cgrp=default handle=35024464
    | schedstat=( 108778259167 88950927721 209209 ) utm=9772 stm=1105 core=0
    at android.os.MessageQueue.nativePollOnce(Native Method)
    at android.os.MessageQueue.next(MessageQueue.java:118)
    at android.os.Looper.loop(Looper.java:124)
    at android.webkit.WebViewCore$WebCoreThread.run(WebViewCore.java:751)
    at java.lang.Thread.run(Thread.java:864)
  
  "Binder Thread #2" prio=5 tid=10 NATIVE
    | group="main" sCount=1 dsCount=0 obj=0x40dab048 self=0x21b4f78
    | sysTid=3817 nice=0 sched=0/0 cgrp=default handle=35045376
    | schedstat=( 753906254 1313110342 2682 ) utm=62 stm=13 core=0
    at dalvik.system.NativeStart.run(Native Method)
  
  "Binder Thread #1" prio=5 tid=9 NATIVE
    | group="main" sCount=1 dsCount=0 obj=0x40daa018 self=0x220b6c0
    | sysTid=3816 nice=0 sched=0/0 cgrp=default handle=35448760
    | schedstat=( 763366698 866455078 2684 ) utm=56 stm=20 core=0
    at dalvik.system.NativeStart.run(Native Method)
  
  "FinalizerWatchdogDaemon" daemon prio=5 tid=8 WAIT
    | group="main" sCount=1 dsCount=0 obj=0x40da5910 self=0x21f8778
    | sysTid=3815 nice=0 sched=0/0 cgrp=default handle=35648680
    | schedstat=( 19226068 112762454 289 ) utm=1 stm=0 core=0
    at java.lang.Object.wait(Native Method)
    - waiting on &lt;0x40af5ee8&gt; (a java.lang.Daemons$FinalizerWatchdogDaemon)
    at java.lang.Object.wait(Object.java:364)
    at java.lang.Daemons$FinalizerWatchdogDaemon.run(Daemons.java:218)
    at java.lang.Thread.run(Thread.java:864)
  
  "FinalizerDaemon" daemon prio=5 tid=7 WAIT
    | group="main" sCount=1 dsCount=0 obj=0x40da57b8 self=0x21a4a20
    | sysTid=3814 nice=0 sched=0/0 cgrp=default handle=35665600
    | schedstat=( 5843750080 8033416627 35050 ) utm=463 stm=121 core=0
    at java.lang.Object.wait(Native Method)
    - waiting on &lt;0x40ae45e8&gt; (a java.lang.ref.ReferenceQueue)
    at java.lang.Object.wait(Object.java:401)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:102)
    at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:73)
    at java.lang.Daemons$FinalizerDaemon.run(Daemons.java:173)
    at java.lang.Thread.run(Thread.java:864)
  
  "ReferenceQueueDaemon" daemon prio=5 tid=6 WAIT
    | group="main" sCount=1 dsCount=0 obj=0x40da5650 self=0x21ce2e0
    | sysTid=3813 nice=0 sched=0/0 cgrp=default handle=35653416
    | schedstat=( 1158782901 1858612107 6973 ) utm=98 stm=17 core=0
    at java.lang.Object.wait(Native Method)
    - waiting on &lt;0x40ae4510&gt; 
    at java.lang.Object.wait(Object.java:364)
    at java.lang.Daemons$ReferenceQueueDaemon.run(Daemons.java:133)
    at java.lang.Thread.run(Thread.java:864)
  
  "Compiler" daemon prio=5 tid=5 VMWAIT
    | group="system" sCount=1 dsCount=0 obj=0x40da5560 self=0x21ee180
    | sysTid=3812 nice=0 sched=0/0 cgrp=default handle=34074560
    | schedstat=( 1770019 3204346 7 ) utm=0 stm=0 core=0
    at dalvik.system.NativeStart.run(Native Method)
  
  "JDWP" daemon prio=5 tid=4 VMWAIT
    | group="system" sCount=1 dsCount=0 obj=0x40da5478 self=0x21f1988
    | sysTid=3811 nice=0 sched=0/0 cgrp=default handle=34075744
    | schedstat=( 681671184 898101870 8811 ) utm=24 stm=44 core=0
    at dalvik.system.NativeStart.run(Native Method)
  
  "Signal Catcher" daemon prio=5 tid=3 RUNNABLE
    | group="system" sCount=0 dsCount=0 obj=0x40da5380 self=0x220ebd0
    | sysTid=3809 nice=0 sched=0/0 cgrp=default handle=34074272
    | schedstat=( 6927491 39001465 8 ) utm=0 stm=0 core=0
    at dalvik.system.NativeStart.run(Native Method)
  
  "GC" daemon prio=5 tid=2 VMWAIT
    | group="system" sCount=1 dsCount=0 obj=0x40da52a0 self=0x20801f0
    | sysTid=3807 nice=0 sched=0/0 cgrp=default handle=35471536
    | schedstat=( 2660827614 3416412375 2552 ) utm=254 stm=12 core=0
    at dalvik.system.NativeStart.run(Native Method)
  
  ----- end 3805 -----
  </code></pre>
  
  <p>But I'don't know where is a problem code.</p>
  
  <p>How to interpret this?</p>
  
  <p>It's too long trace, and question is too naive. You don't have to explain whole error, just please advise how to interpret the subjects.</p>