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SWT/ANR问题--ANR/JE引发SWT
2022-07-01 01:30:00 【专业开发者】
问题背景:
执行monkey测试,手机测试报告出现2次swt报错,初步分析是dump trace卡死无返回,引起swt
分析过程:
拿到SWT db,查看__exp_main.txt:
Trigger time:[2018-11-21 17:30:08.126598] pid:1012
Backtrace:
Time: 2018-11-21 17:30:07
Process: system_server
Subject: Blocked in handler on ActivityManager (ActivityManager)我们看ActivityManager发生了什么事情,你要搜索SWT_JBT_TRACES里的ActivityManager thread,从__exp_main.txt找到ActivityManager对应的tid 1026.
找SWT时间附近的几次调用栈,看是否死锁或响应慢,搜索关键字sysTid=1026,有找到3笔记录:
----- pid 1012 at 2018-11-21 17:29:40 -----
Cmd line: system_server
......
"ActivityManager" prio=5 tid=11 Native
| group="main" sCount=1 dsCount=0 flags=1 obj=0x12e02050 self=0x7238f3d800
| sysTid=1026 nice=-2 cgrp=default sched=0/0 handle=0x722844c4f0
| state=S schedstat边栏推荐
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