Re: [Qemu-devel] [PATCH 0/6] Device state visualization reloaded

[Jan Kiszka <jan.kiszka@siemens.com>]

On 2011-09-06 18:08, Anthony Liguori wrote:
> On 09/06/2011 11:05 AM, Jan Kiszka wrote:
>> On 2011-09-06 17:51, Anthony Liguori wrote:
>>> I'm still contemplating how we go about doing this.  This series
>>> introduces a couple new concepts like QMP class hinting anonymous IDs.
>>> I'm concerned that we'll further complicate the need to support
>>> backwards compatibility.
>>
>> Anonymous IDs must not be considered stable. If you prefer, we could try
>> to filter them out for QMP use. Need to check though if there is a good
>> location to catch them, but the rule is trivial.
>>
>> I will also happily drop anonymous IDs again once we have converted all
>> devices to stable QOM full path addressing. But that will simply take
>> too much time to wait for it I'm afraid.
>>
>>>
>>> Would the command be useful if you couldn't address devices?  If it just
>>> dumped the full machine state all at once?  That would at least obviate
>>> the need to add anonymous IDs.
>>
>> Theoretically usable, but extremely unhandy. I would not like so see
>> such an interface exposed to users.
> 
> What about just taking the device type (iow the savevm section name)?
> 
> In most scenarios, it's probably easier for a user and will still only 
> have a single match.

This naming is not yet exposed via any user interface. We would have to
extend info qtree, not sure if we want this...

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux