高通平台稳定性分析

稳定性分析"/>

高通平台稳定性分析

使用ramparser解析后：

1、dmesg_TZ.txt【panic信息、调用栈信息、其他打印信息】

• 搜索panic 看到：

(3)[71:khungtaskd]Task Jit thread pool:2581 blocked for 120s is causing panic

(3)[71:khungtaskd][RB/E]rb_sreason_str_set: sreason_str set hungtask

(3)[71:khungtaskd]Kernel panic - not syncing: hungtask: blocked tasks

hang task 主动触发，进程【Task Jit thread pool:2581】耗时120秒

• 搜索2581，看到：

(3)[71:khungtaskd]hungtask:name=Jit thread pool,PID=2581,tgid=2472,tgname=system_server,type=5,blocked for 120s,SP=0xffffffc01d2e3930,la23940432353683/lq0

(3)[71:khungtaskd]task:Jit thread pool state:D stack:    0 pid: 2581 ppid:  1264 flags:0x04000800

(3)[71:khungtaskd]Call trace:

(3)[71:khungtaskd] __switch_to+0x298/0x674

(3)[71:khungtaskd] __sched