Integrate BLCR to GDB
Michael Snyder
msnyder@vmware.com
Mon Apr 6 22:35:00 GMT 2009
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
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