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iqiyi
同一版本xCrash，国外环境收集的native crash中不含java 堆栈信息java stacktrace: (no managed stack frames)，国内采集的却包含，这是什么原因呢？
=======================国外不含java stacktrace的native堆栈信息如下：================================= dump status: child terminated normally with non-zero exit status(102)
Start time: '2020-11-18T01:56:33.073-0300' Crash time: '2020-11-18T02:07:15.837-0300' App ID: 'com.lx' App version: '6.15.8' Rooted: 'No' API level: '25' OS version: '7.1.1' Kernel version: 'Linux version 3.18.31-15630411 #1 SMP PREEMPT Tue Oct 15 04:26:46 KST 2019 (armv7l)' ABI list: 'armeabi-v7a,armeabi' Manufacturer: 'samsung' Brand: 'samsung' Model: 'SM-J250M' Build fingerprint: 'samsung/j2y18lteub/j2y18lte:7.1.1/NMF26X/J250MUBS5ASJD:user/release-keys' ABI: 'arm' pid: 505, tid: 2723, name: Chrome_InProcGp >>> com.99 <<< signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x8 r0 00000000 r1 00000001 r2 00000000 r3 00000000 r4 6d032ee0 r5 0c649e80 r6 0c649e84 r7 00000000 r8 6cb9ce18 r9 6cb9ce14 r10 6cb9ce24 r11 00000000 ip 91430320 sp 6192d630 lr 8f9bc5b3 pc 906fb5b4
backtrace: #00 pc 027875b4 /data/app/com.android.chrome-2/base.apk!/lib/armeabi-v7a/libmonochrome.so
java stacktrace: (no managed stack frames)
memory info: System Summary (From: /proc/meminfo) MemTotal: 1375908 kB MemFree: 109036 kB MemAvailable: 286336 kB Buffers: 5380 kB Cached: 183104 kB SwapCached: 4656 kB Active: 225256 kB Inactive: 230340 kB Active(anon): 128144 kB Inactive(anon): 141008 kB Active(file): 97112 kB Inactive(file): 89332 kB Unevictable: 576 kB Mlocked: 576 kB HighTotal: 929792 kB HighFree: 91528 kB LowTotal: 446116 kB LowFree: 17508 kB SwapTotal: 1048572 kB SwapFree: 66384 kB Dirty: 484 kB Writeback: 0 kB AnonPages: 267604 kB Mapped: 268816 kB Shmem: 2040 kB Slab: 110004 kB SReclaimable: 23568 kB SUnreclaim: 86436 kB KernelStack: 18336 kB PageTables: 44868 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 1736524 kB Committed_AS: 51447572 kB VmallocTotal: 385024 kB VmallocUsed: 132088 kB VmallocChunk: 130724 kB
Process Status (From: /proc/PID/status) Name: com.99 State: S (sleeping) Tgid: 505 Ngid: 0 Pid: 505 PPid: 524 TracerPid: 0 Uid: 10196 10196 10196 10196 Gid: 10196 10196 10196 10196 FDSize: 1024 Groups: 3001 3002 3003 9997 50196 VmPeak: 2731860 kB VmSize: 2688672 kB VmLck: 0 kB VmPin: 0 kB VmHWM: 305672 kB VmRSS: 252168 kB VmData: 375564 kB VmStk: 8192 kB VmExe: 52 kB VmLib: 215640 kB VmPTE: 1270 kB VmSwap: 87464 kB Threads: 160 SigQ: 1/9507 SigPnd: 0000000000000000 ShdPnd: 0000000000000000 SigBlk: 0000000000001200 SigIgn: 0000000000000000 SigCgt: 20000002000084fc CapInh: 0000000000000000 CapPrm: 0000000000000000 CapEff: 0000000000000000 CapBnd: 0000000000000000 Seccomp: 0 Cpus_allowed: f Cpus_allowed_list: 0-3 voluntary_ctxt_switches: 103244 nonvoluntary_ctxt_switches: 42089
Process Limits (From: /proc/PID/limits) Limit Soft Limit Hard Limit Units Max cpu time unlimited unlimited seconds Max file size unlimited unlimited bytes Max data size unlimited unlimited bytes Max stack size 8388608 unlimited bytes Max core file size 0 unlimited bytes Max resident set unlimited unlimited bytes Max processes 9507 9507 processes Max open files 4096 4096 files Max locked memory 67108864 67108864 bytes Max address space unlimited unlimited bytes Max file locks unlimited unlimited locks Max pending signals 9507 9507 signals Max msgqueue size 819200 819200 bytes Max nice priority 40 40 Max realtime priority 0 0 Max realtime timeout unlimited unlimited us
Process Details (From: /proc/PID/smaps) Pss Pss Shared Private Shared Private SwapPss Total Clean Dirty Dirty Clean Clean Dirty ------ ------ ------ ------ ------ ------ ------ Native Heap 18477 0 20 18472 84 0 21857 Dalvik Heap 17245 0 16 17236 184 0 25358 Dalvik Other 4416 0 0 4416 32 0 5990 Stack 1172 0 0 1172 0 0 1348 Ashmem 804 0 20 800 0 0 0 Gfx dev 148358 0 92 148312 0 0 0 Other dev 23 0 116 0 0 20 0 .so mmap 3920 2824 104 256 8856 2824 391 .jar mmap 8 8 0 0 0 8 0 .apk mmap 12048 10168 0 60 7376 10168 92 .ttf mmap 7 0 0 0 24 0 0 .dex mmap 2946 2616 0 40 876 2616 0 .oat mmap 1566 528 0 0 11276 528 0 .art mmap 1324 108 468 932 6372 108 1381 Other mmap 777 0 0 8 504 652 0 Unknown 12096 0 12 12036 8 60 20799 TOTAL 302403 16252 848 203740 35592 16984 77216
Process Dalvik Details (From: /proc/PID/smaps) .Heap 17040 0 0 17040 0 0 11436 .LOS 8 0 0 8 4 0 13093 .Zygote 153 0 16 144 180 0 249 .NonMoving 44 0 0 44 0 0 580 .LinearAlloc 1316 0 0 1316 0 0 4386 .GC 1684 0 0 1684 32 0 600 .JITCache 984 0 0 984 0 0 936 .IndirectRef 432 0 0 432 0 0 68 .App dex 2946 2616 0 40 876 2616 0 .App art 4 4 0 0 0 4 0 .Boot art 1320 104 468 932 6372 104 1381
Process Summary (From: /proc/PID/smaps) Pss(KB) ------ Java Heap: 18276 Native Heap: 18472 Code: 16500 Stack: 1172 Private Other: 166304 System: 81679 TOTAL: 302403 TOTAL SWAP PSS: 77216
memory info: Process Summary (From: android.os.Debug.MemoryInfo) Pss(KB) ------ Java Heap: 18360 Native Heap: 18456 Code: 16664 Stack: 1184 Graphics: 148312 Private Other: 18056 System: 81569 TOTAL: 302601 TOTAL SWAP: 86936 foreground: yes
================================国内的含java stacktrace如下：=============================== dump status: child terminated normally with non-zero exit status(102)
Start time: '2020-11-18T15:43:39.383+0800' Crash time: '2020-11-18T15:46:49.049+0800' App ID: 'com.xx.sdu' App version: '6.0.17' Rooted: 'No' API level: '29' OS version: '10' Kernel version: 'Linux version 4.14.141-perf-g52ed0e6 #1 SMP PREEMPT Tue Sep 22 17:22:11 CST 2020 (armv8l)' ABI list: 'arm64-v8a,armeabi-v7a,armeabi' Manufacturer: 'Xiaomi' Brand: 'Redmi' Model: 'M2004J19C' Build fingerprint: 'Redmi/lancelot/lancelot:10/QP1A.190711.020/V12.0.4.0.QJCCNXM:user/release-keys' ABI: 'arm' pid: 30918, tid: 30918, name: xx.sdu >>> com.xx.sdu <<< signal 11 (SIGSEGV), code 1 (SEGV_MAPERR), fault addr 0x14 r0 00000014 r1 00000000 r2 00000000 r3 00000000 r4 00000014 r5 ffba1a18 r6 00000000 r7 00000000 r8 00000001 r9 ea55ce00 r10 ea52d440 r11 00000000 ip e79a44ac sp ffba19f0 lr e798b02d pc e893ea0a
backtrace: #00 pc 000a6a0a /apex/com.android.runtime/lib/bionic/libc.so (pthread_mutex_lock+5) #01 pc 0008802c /system/lib/libgui.so (_ZNK7android14SurfaceControl9getHandleEv+15) #02 pc 000bf8fe /system/lib/libandroid_runtime.so
java stacktrace: at android.view.SurfaceControl.nativeGetHandle(SurfaceControl.java) at android.view.SurfaceControl.getHandle(SurfaceControl.java:1178) at android.view.SurfaceControl$Transaction.setRelativeLayer(SurfaceControl.java:2442) at android.view.SurfaceControl.setRelativeLayer(SurfaceControl.java:1207) at android.view.SurfaceView.updateBackgroundVisibilityInTransaction(SurfaceView.java:592) at android.view.SurfaceView.updateSurface(SurfaceView.java:774) at android.view.SurfaceView.onWindowVisibilityChanged(SurfaceView.java:321) at android.view.View.dispatchWindowVisibilityChanged(View.java:13895) at android.view.ViewGroup.dispatchWindowVisibilityChanged(ViewGroup.java:1606) at android.view.ViewGroup.dispatchWindowVisibilityChanged(ViewGroup.java:1606) at android.view.ViewGroup.dispatchWindowVisibilityChanged(ViewGroup.java:1606) ... repeated 5 times at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:2229) at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1899) at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:8060) at android.view.Choreographer$CallbackRecord.run(Choreographer.java:969) at android.view.Choreographer.doCallbacks(Choreographer.java:793) at android.view.Choreographer.doFrame(Choreographer.java:728) at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:954) at android.os.Handler.handleCallback(Handler.java:883) at android.os.Handler.dispatchMessage(Handler.java:100) at android.os.Looper.loop(Looper.java:224) at android.app.ActivityThread.main(ActivityThread.java:7561) at java.lang.reflect.Method.invoke(Method.java) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:539) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:995)
memory info: System Summary (From: /proc/meminfo) MemTotal: 3844668 kB MemFree: 69112 kB MemAvailable: 771852 kB Buffers: 18064 kB Cached: 945564 kB SwapCached: 30880 kB Active: 1299200 kB Inactive: 796204 kB Active(anon): 1010500 kB Inactive(anon): 318204 kB Active(file): 288700 kB Inactive(file): 478000 kB Unevictable: 163384 kB Mlocked: 163384 kB SwapTotal: 2113436 kB SwapFree: 351960 kB Dirty: 748 kB Writeback: 0 kB AnonPages: 1289312 kB Mapped: 692008 kB Shmem: 34568 kB Slab: 237808 kB SReclaimable: 57748 kB SUnreclaim: 180060 kB KernelStack: 72352 kB PageTables: 122020 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 4035768 kB Committed_AS: 128332396 kB VmallocTotal: 263061440 kB VmallocUsed: 0 kB VmallocChunk: 0 kB CmaTotal: 344064 kB CmaFree: 1320 kB
Process Status (From: /proc/PID/status) Name: xx.sdu Umask: 0077 State: R (running) Tgid: 30918 Ngid: 0 Pid: 30918 PPid: 495 TracerPid: 0 Uid: 10227 10227 10227 10227 Gid: 10227 10227 10227 10227 FDSize: 1024 Groups: 3001 3002 3003 9997 20227 50227 VmPeak: 2863344 kB VmSize: 2708020 kB VmLck: 0 kB VmPin: 0 kB VmHWM: 432772 kB VmRSS: 198700 kB RssAnon: 0 kB RssFile: 191532 kB RssShmem: 7168 kB VmData: 1559236 kB VmStk: 8192 kB VmExe: 20 kB VmLib: 265968 kB VmPTE: 2812 kB VmPMD: 16 kB VmSwap: 90008 kB Threads: 200 SigQ: 1/12922 SigPnd: 0000000000000000 ShdPnd: 0000000000000000 SigBlk: 00000000fffbfeff SigIgn: 0000000000000001 SigCgt: 0000000e400084fc CapInh: 0000000000000000 CapPrm: 0000000000000000 CapEff: 0000000000000000 CapBnd: 0000000000000000 CapAmb: 0000000000000000 NoNewPrivs: 0 Seccomp: 2 Speculation_Store_Bypass: thread vulnerable Cpus_allowed: ff Cpus_allowed_list: 0-7 Mems_allowed: 1 Mems_allowed_list: 0 voluntary_ctxt_switches: 29937 nonvoluntary_ctxt_switches: 10941
Process Limits (From: /proc/PID/limits) Limit Soft Limit Hard Limit Units Max cpu time unlimited unlimited seconds Max file size unlimited unlimited bytes Max data size unlimited unlimited bytes Max stack size 8388608 unlimited bytes Max core file size 0 unlimited bytes Max resident set unlimited unlimited bytes Max processes 12922 12922 processes Max open files 32768 32768 files Max locked memory unlimited unlimited bytes Max address space unlimited unlimited bytes Max file locks unlimited unlimited locks Max pending signals 12922 12922 signals Max msgqueue size 819200 819200 bytes Max nice priority 40 40 Max realtime priority 0 0 Max realtime timeout unlimited unlimited us
Process Details (From: /proc/PID/smaps) Pss Pss Shared Private Shared Private SwapPss Total Clean Dirty Dirty Clean Clean Dirty ------ ------ ------ ------ ------ ------ ------ Native Heap 59864 0 748 59740 0 0 63186 Dalvik Heap 0 0 0 0 0 0 0 Stack 48 0 4 48 0 0 40 Ashmem 2172 0 1448 1584 12 0 0 Other dev 29 0 292 0 0 28 0 .so mmap 25132 18728 952 2304 20152 18728 400 .jar mmap 2669 940 0 0 22380 940 0 .apk mmap 6826 5144 0 28 6928 5144 124 .ttf mmap 1082 184 0 0 2060 184 0 .dex mmap 39590 39096 0 184 1040 39096 624 .oat mmap 6028 500 0 84 48228 500 0 .art mmap 2476 68 10632 1536 104 68 92 Other mmap 8738 0 3364 932 780 6048 0 Unknown 47646 0 636 47588 0 0 12350 TOTAL 279116 64660 18076 114028 101684 70736 76816
Process Dalvik Details (From: /proc/PID/smaps) .Boot vdex 72 72 0 0 12 72 0 .App dex 2130 1716 0 184 788 1716 624 .App vdex 37388 37308 0 0 240 37308 0 .App art 68 68 0 0 0 68 0 .Boot art 2408 0 10632 1536 104 0 92
Process Summary (From: /proc/PID/smaps) Pss(KB) ------ Java Heap: 1604 Native Heap: 59740 Code: 67192 Stack: 48 Private Other: 56180 System: 94352 TOTAL: 279116 TOTAL SWAP PSS: 76816
memory info: Process Summary (From: android.os.Debug.MemoryInfo) Pss(KB) ------ Java Heap: 37652 Native Heap: 59760 Code: 67420 Stack: 48 Graphics: 0 Private Other: 20232 System: 94288 TOTAL: 279400 TOTAL SWAP: 88272
foreground: yes
这个跟国外还是国内没关系的，有些native crash 就是没有Java 的堆栈信息
方便告知一下什么情况下native crash 有Java 的堆栈信息，什么情况下没有且显示java stacktrace: (no managed stack frames)
应该是native层自己create的线程崩溃了，这种是捕获不到java层的堆栈信息的，但如果是jni调用的native层当前线程崩溃了，是可以获取到堆栈信息的
It is a possibility that java's stacktrace may be swallowed by gms related components.
