有一份ANR报告，我需要帮助才能理解它。到目前为止，这只发生在这个用户身上。在主线程下，我无法找到与我的应用包相关的任何内容。
"main" prio=5 tid=1 Native
| group="main" sCount=1 dsCount=0 obj=0x7392f2a0 self=0xb8bdcd80
| sysTid=1973 nice=-2 cgrp=native sched=0/0 handle=0xb6f3cb34
| state=S schedstat=( 52372964435 58689172479 125804 ) utm=3878 stm=1359 core=7 HZ=100
| stack=0xbe395000-0xbe397000 stackSize=8MB
| held mutexes=
kernel: (couldn't read /proc/self/task/1973/stack)
native: #00 pc 00042f0c /system/lib/libc.so (__epoll_pwait+20)
native: #01 pc 0001967f /system/lib/libc.so (epoll_pwait+26)
native: #02 pc 0001968d /system/lib/libc.so (epoll_wait+6)
native: #03 pc 00012da3 /system/lib/libutils.so (_ZN7android6Looper9pollInnerEi+102)
native: #04 pc 0001301f /system/lib/libutils.so (_ZN7android6Looper8pollOnceEiPiS1_PPv+130)
native: #05 pc 00083ed1 /system/lib/libandroid_runtime.so (_ZN7android18NativeMessageQueue8pollOnceEP7_JNIEnvP8_jobjecti+22)
native: #06 pc 00000585 /system/framework/arm/boot.oat (Java_android_os_MessageQueue_nativePollOnce__JI+96)
at android.os.MessageQueue.nativePollOnce(Native method)
at android.os.MessageQueue.next(MessageQueue.java:323)
at android.os.Looper.loop(Looper.java:135)
at com.android.server.SystemServer.run(SystemServer.java:288)
at com.android.server.SystemServer.main(SystemServer.java:173)
at java.lang.reflect.Method.invoke!(Native method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:728)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:618)
我注意到这个被阻止的线程。但是，我不知道如何从那里追踪。
"HeapTaskDaemon" daemon prio=5 tid=6 Blocked
| group="system" sCount=1 dsCount=0 obj=0x12c041c0 self=0xb8c02318
| sysTid=1982 nice=0 cgrp=native sched=0/0 handle=0xb40c3930
| state=S schedstat=( 68261230481 5881920066 14105 ) utm=6561 stm=265 core=7 HZ=100
| stack=0xb3fc1000-0xb3fc3000 stackSize=1038KB
| held mutexes=
kernel: (couldn't read /proc/self/task/1982/stack)
native: #00 pc 000169b8 /system/lib/libc.so (syscall+28)
native: #01 pc 000f60bb /system/lib/libart.so (_ZN3art17ConditionVariable4WaitEPNS_6ThreadE+82)
native: #02 pc 001cdff1 /system/lib/libart.so (_ZN3art2gc13TaskProcessor7GetTaskEPNS_6ThreadE+92)
native: #03 pc 001ce505 /system/lib/libart.so (_ZN3art2gc13TaskProcessor11RunAllTasksEPNS_6ThreadE+60)
native: #04 pc 00000387 /system/framework/arm/boot.oat (Java_dalvik_system_VMRuntime_runHeapTasks__+74)
at dalvik.system.VMRuntime.runHeapTasks(Native method)
- waiting to lock an unknown object
at java.lang.Daemons$HeapTaskDaemon.run(Daemons.java:355)
at java.lang.Thread.run(Thread.java:818)
这是完整的文件。感谢您的投入。 ANR file