Re: Integrate BLCR to GDB

[Michael Snyder <msnyder@vmware.com>]

Zhiyong wrote:
> 
> Michael Snyder-6 wrote:
>>
>> Sounds like a very interesting project.
>>
>> Would you be interested in spearheading it?
>>
>>
>>
> 
> 
> Hi Michael,
> 
>    I am totally new to gdb so I am afraid I will need quite some help from
> someone here with experience. But I am more than happy to spend some time on
> it.
> 
>    I am also new to BLCR. My previous short description of BLCR is
> incorrect. For example BLCR does support x86, x86-64, ppc, ppc64 and ARM and
> Xen dom0/domU. This recent presentation may give a more complete picture
> about BLCR : https://ftg.lbl.gov/CheckpointRestart/Pubs/WTTC2008-BKK.pdf. 
> 
>    I see there are other approach/solutions out there to achieve similar
> goals in terms of debugging: like using visualization VM or effort on
> reversible debugging. In my working area, I have to deal with programs with
> huge memory footprint ( > 16G ),  long runtime  like in days and
> multi-threaded. I feel BLCR approach fits the requirement nicely. Actually I
> can use BLCR as standalone for my debugging purpose. I just wish I could
> easily do the checkpoint/restart inside gdb. 
> 
>    I probably will  also contact BLCR folks  to see if they already have
> something done for gdb or not.

Thanks.

This is an area that interests me personally -- unfortunately I am
very busy these days.

With respect to doing the checkpoints from within gdb --
do you know if there are shell commands for doing that?
If so, you might be able to write a combination of gdb
scripts and shell commands.

Michael