Integrate BLCR to GDB

[Michael Snyder]

Zhiyong wrote:
> Hi,
>   If my understanding is correct, current gdb checkpoint/restart is using
> fork() and does not support multi-threading. 
> 
>   I am interested to know if  someone has done some work to integrate BLCR
> (Berkely Lab Checkpoint/Restart ,
> https://ftg.lbl.gov/CheckpointRestart/CheckpointRestart.shtml) into gdb? 
> 
>   As a standalone, BLCR is quite helpful in certain debugging scenarios. But
> it is a bit hard to use with gdb , i.e. breakpoints can not be saved and
> restart is not convienent to stop at certain point etc. 
> 
>   BLCR's limitation is it is only for Linux x86 and x86_64. It also needs to
> load kernel modules which may or may not be an issue. It is not targeting
> debugging but rather process management/fault tolerance. 


Sounds like a very interesting project.

Would you be interested in spearheading it?