Re: [Xen-devel] xm dump-core and analyzing

[John Levon <levon@xxxxxxxxxxxxxxxxx>]

On Tue, Dec 12, 2006 at 08:15:22AM +0200, David Pilger wrote:

> On 12/11/06, Keir Fraser <keir@xxxxxxxxxxxxx> wrote:
> >The current format is an ancient, non-extensible and largely
> >unmaintained hack;
> 
> For the extensibility part, may I suggest that you turn
> coredump_header.xch_nr_vcpus length into 16 bits and use the other 16
> bits that left as an offset for a new header (PE style). I don't know

Please let's not fiddle with the current format at all. In fact I'm
forced to rely on its exact formatting to work out whether it's a 64-bit
or 32-bit dump.

> how old software will handle xch_nr_vcpus > 64K, as it always dumps
> just the context for the first CPU.

What do you mean? All vcpu contexts are dumped.

regards
john

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