Re: [Qemu-devel] Kernel core dumps from qemu

[Avi Kivity <avi@redhat.com>]

Paul Brook wrote:
>> This looks useful.  I'd suggest a 'format' argument, so we can extend
>> this later to dump in non-ELF formats (the Windows native memory dump
>> format would be useful).
>>     
>
> I'm not keen on having a plethora of different formats in qemu, especially if 
> they are proprietary or poorly documented.  As long as it's done properly it 
> should be straight forwarded to reconstruct everything else (vritual 
> addresses, other formats) with offline debug tools.
>   

Well, the physical elf format together with postprocessing tools to 
convert to virtual elf or Windows dumps seem like a good solution.

> What you actually want to do is use the the existing snapshot/savevm 
> mechanism, and postprocess that into whatever format you want.
>   

savevm falls into the poorly documented category, I'm afraid.  But it 
does have the advantage of carrying device state, not just cpu and 
memory state, which might be useful in extreme situations.

-- 
error compiling committee.c: too many arguments to function