2805076 /system/WTD/android.fg_blocked_67fc4997-ims导致binder耗尽

binder耗尽，几乎所有的binder都是处理定位相关；

"android.fg" prio=5 tid=10 Native

| group="main" sCount=1 dsCount=0 flags=1 obj=0x156c0630 self=0x7fb2ec9800

| sysTid=28050 nice=0 cgrp=default sched=0/0 handle=0x7ec1702d50

| state=S schedstat=( 75607657358 36450530927 252276 ) utm=4609 stm=2951 core=6 HZ=100

| stack=0x7ec1600000-0x7ec1602000 stackSize=1039KB

| held mutexes=

kernel: (couldn't read /proc/self/task/28050/stack)

native: #00 pc 00000000000803bc /apex/com.android.runtime/lib64/bionic/libc.so (syscall+28)

native: #01 pc 0000000000083a24 /apex/com.android.runtime/lib64/bionic/libc.so (__futex_wait_ex(void volatile*, bool, int, bool, timespec const*)+140)

native: #02 pc 00000000000e44dc /apex/com.android.runtime/lib64/bionic/libc.so (pthread_cond_wait+60)

native: #03 pc 0000000000059948 /system/lib64/libbinder.so (android::IPCThreadState::blockUntilThreadAvailable()+96)

at android.os.Binder.blockUntilThreadAvailable(Native method)

at com.android.server.Watchdog$BinderT hreadMonitor.monitor(Watchdog.java:391)

at com.android.server.Watchdog$HandlerChecker.run(Watchdog.java:339)

at android.os.Handler.handleCallback(Handler.java:883)

at android.os.Handler.dispatchMessage(Handler.java:100)

at android.os.Looper.loop(Looper.java:227)

at android.os.HandlerThread.run(HandlerThread.java:67)

at com.android.server.ServiceThread.run(ServiceThread.java:44)

"Binder:28034_1C" prio=5 tid=229 Waiting

| group="main" sCount=1 dsCount=0 flags=1 obj=0x157bb320 self=0x7e00e73800

| sysTid=30359 nice=0 cgrp=default sched=0/0 handle=0x7db2884d50

| state=S schedstat=( 174968218212 88356912254 500845 ) utm=11702 stm=5794 core=1 HZ=100

| stack=0x7db278e000-0x7db2790000 stackSize=991KB

| held mutexes=

at sun.misc.Unsafe.park(Native method)

- waiting on an unknown object

at java.util.concurrent.locks.LockSupport.park(LockSupport.java:190)

at java.util.concurrent.FutureTask.awaitDone(FutureTask.java:450)

at java.util.concurrent.FutureTask.get(Future Task.java:192)

at com.android.server.ServiceWatcher.runOnHandlerBlocking(ServiceWatcher.java:518)

at com.android.server.ServiceWatcher.runOnBinderBlocking(ServiceWatcher.java:435)

at com.android.server.location.GeocoderProxy.getFromLocation(GeocoderProxy.java:69)

at com.android.server.LocationManagerService.getFromLocation(LocationManagerService.java:4137)

at android.location.ILocationManager$Stub.onTransact(ILocationManager.java:666)

at android.os.Binder.execTransactInternal(Binder.java:1021)

at android.os.Binder.execTransact(Binder.java:994)

thread 29237: l 10 need_return 0 tr 0

outgoing transaction 82726487: 0000000000000000 from 29141:29237 to 28034:0 code 1 flags 10 pri 0:120 r1 start 119639.229873 android 2020-08-19 12:54:49.610

transaction complete

thread 29454: l 10 need_return 0 tr 0

outgoing transaction 82721080: 0000000000000000 from 29141:29454 to 28034:29884 code 9 flags 10 pri 0:120 r1 start 119629.097362 android 2020-08-19 12:54:39.478 transaction complete

thread 29455: l 10 need_return 0 tr 0

outgoing transaction 82721075: 0000000000000000 from 29141:29455 to 28034:30359 code 9 flags 10 pri 0:120 r1 start 119629.097212 android 2020-08-19 12:54:39.478

transaction complete

thread 29456: l 10 need_return 0 tr 0

outgoing transaction 82721093: 0000000000000000 from 29141:29456 to 28034:29830 code 9 flags 10 pri 0:120 r1 start 119629.097831 android 2020-08-19 12:54:39.478

transaction complete

thread 29457: l 10 need_return 0 tr 0

outgoing transaction 82721105: 0000000000000000 from 29141:29457 to 28034:29999 code 9 flags 10 pri 0:120 r1 start 119629.098107 android 2020-08-19 12:54:39.479

transaction complete

thread 29458: l 10 need_return 0 tr 0

outgoing transaction 82721082: 0000000000000000 from 29141:29458 to 28034:28179 code 9 flags 10 pri 0:120 r1 start 119629.097439 android 2020-08-19 12:54:39.478

transaction complete

thread 29459: l 10 need_return 0 tr 0

outgoing transa ction 82721131: 0000000000000000 from 29141:29459 to 28034:28722 code 9 flags 10 pri 0:120 r1 start 119629.098851 android 2020-08-19 12:54:39.479

transaction complete

thread 29460: l 10 need_return 0 tr 0

outgoing transaction 82721103: 0000000000000000 from 29141:29460 to 28034:29893 code 9 flags 10 pri 0:120 r1 start 119629.098085 android 2020-08-19 12:54:39.479

u:r:radio:s0 radio 29141 29141 27931 6552356 54060 futex_wait_queue_me 0 efg S 19 0 - 0 fg 7 com.mediatek.ims om.mediatek.ims

如上binder主要来自om.mediatek.ims的申请。该进程为通信相关进程，而binder耗尽，几乎所有的binder都是处理定位相关.binder主要来自com.mediatek.ims的调用问题原因是WfcLocationHandler.java 调用了太多重复的LocationManager.requestLocationUpdates()而location那边是bind call等网络回应response才会结束，很多request网络一直没回应，就把binder耗光了。解决方法是把duplicate request都ignore掉。

有ims为mtk network相关进程，与mtk沟通提供patch进行修复。

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2805076 /system/WTD/android.fg_blocked_67fc4997-ims导致binder耗尽

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