[Qemu-devel] Re: [CFR 10/10] qmp: query_balloon command

[Anthony Liguori]

On 06/16/2010 10:46 AM, Stefan Hajnoczi wrote:
> query-balloon
> -------------
>
> Show balloon information.
>
> Make an asynchronous request for balloon info.

s/asynchronous//.  All requests are asynchronous.

>   When the request completes a
> json-object will be returned containing the following data:
>
> - "actual": current balloon value in bytes (json-int)
> - "mem_swapped_in": Amount of memory swapped in bytes (json-int, optional)
> - "mem_swapped_out": Amount of memory swapped out in bytes (json-int, optional)
> - "major_page_faults": Number of major faults (json-int, optional)
> - "minor_page_faults": Number of minor faults (json-int, optional)
> - "free_mem": Total amount of free and unused memory in
>                bytes (json-int, optional)
> - "total_mem": Total amount of available memory in bytes (json-int, optional)
>    

Should mention the behavior when a timeout occurs.

Regards,

Anthony Liguori

> Example:
>
> ->  { "execute": "query-balloon" }
> <- {
>        "return":{
>           "actual":1073741824,
>           "mem_swapped_in":0,
>           "mem_swapped_out":0,
>           "major_page_faults":142,
>           "minor_page_faults":239245,
>           "free_mem":1014185984,
>           "total_mem":1044668416
>        }
>     }
>
>