[Qemu-devel] Re: Supsend/resume regression in c995b4 WAS: Re: [PATCH] Fix migration uint8 arrys handled

[Juan Quintela]

Anthony Liguori <address@hidden> wrote:
> On 03/22/2011 07:00 AM, Jan Kiszka wrote:
>> We had a few migration related regressions recently. Do we have
>> sufficient test cases in autotest for them? Also for migrating from
>> older to the latest version?
>
> Autotest is too late and also not nearly rigorous enough for what
> you're trying to catch.
>
> Here's how I propose we tackle this.  This patch adds a -dump-savevm
> option that takes a version.  It spits out all of the fields we save
> for a particular version (well, not really, but it should).  We also
> can add type information.  The idea is that we'd write a simple test
> case (using gtester) that ran through and dumped the schema for each
> version.  We'd store the schema's in the tree and the test can compare
> old schema's to the current schema to check for failure.
>
> This was thrown together in just a few minutes.  I'll try to put
> together something more complete later today but I wanted to share
> this before the call at least.

This would be an start, althought I still think that a way to dump a
single device, and a way to dump the state of a device in a specific
version is needed.  Information as:
- is this always saved
- size of arrays
- ....

that is there is not saved.

Later, Juan.