Re: [PATCH v3 1/3] qmp: Support for querying stats

[Paolo Bonzini]

On 2/1/22 13:08, Daniel P. Berrangé wrote:
> I still feel like this is rather verbose, and should be simplified
> down to.
>
>   { "return": {
>       "vm": {
>         "kvm": [ ... ]
>         "provider-XYZ": [ ... ],
>         ...
>       }
>   }

My main qualm with this is that not just QEMU, but every layer above 
then needs to either treat stats as a "dynamic" type unless they want to 
only handle providers that they know.

The main reason why I asked Mark to do all this work, was so that new 
stats and stats providers could be added transparently, and only new 
*targets* would need work all over the stack (but those are fewer, for 
example blockdev/netdev/iothread).

Paolo