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

[Avi Kivity <avi@redhat.com>]

Chris Smith wrote:
> On Tue, Mar 24, 2009 at 08:08:38PM +0200, Avi Kivity wrote:
>
>   
>> 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).
>>     
>
> No problem.  I was thinking of something similar --
>
>     (qemu) dump | winfmt > win.dmp
>
> or
>
>     (qemu) dump | /usr/bin/gdbfmt > just.like.vmcore
>
> or
>
>     (qemu) dump > raw.elf		[normal case for crash utility]
>
> with qemu providing a dump primitive (just the data) to be dressed up
> by tools distributed with qemu, or contributed, or home grown.
>
> The | and > are just to be explicit, it could be prettier.
>
>   

I suggest 'dump -filter ... blah'. I guess for larger cores this is 
better than postprocessing, if it can be done without buffering all of RAM.

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