linux - List all Processes & Threads under processes from Linux core dump using gdb

Question

I am developing a scripting tool for gdb/linux core dump, where if I point script to core bump , it lists all stack traces of all threads under process i.e, what I am trying to achieve is pretty much gdb equivalent of windbg's !process 0 which dumps all the processes and threads with stack from dump.

Is there gdb equivalent of !process 0 ?

if Not

Whats the gdb command to list all the processes and list all threads under processes in gdb from core dump ?

This would enable me to write a script to loop over all pid's and tid's and get an backtrace which could be logged to an file?

Also suggestions on scripting language for this such as perl/python, the better one is welcome.

Thanks Ganesh

Answer 1

这将为您提供所有帧的所有线程的回溯：

(gdb) thread apply all bt full

我不认为单个核心文件涵盖的过程不止一个。查看GDB 文档以了解您的脚本选项。

Answer 2

代替thread apply all bt，您最好使用最新 GDB 版本中内置的Python 解释器，而不是尝试解析 GDB 文本输出。

Nikolai 是正确的，因为 UNIX 核心文件只涵盖一个进程（崩溃或被杀死的进程）。