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Date: Thu, 6 Dec 2012 10:34:23 -0200
From: Luiz Capitulino <lcapitulino@redhat.com>
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Subject: Re: [Qemu-devel] qmp query-balloon return only "actual" value ?
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To: Alexandre DERUMIER <aderumier@odiso.com>
Cc: qemu-devel <qemu-devel@nongnu.org>

On Wed, 05 Dec 2012 15:07:24 +0100 (CET)
Alexandre DERUMIER <aderumier@odiso.com> wrote:

> Hi,
> I'm trying to use qmp "query-balloon", to get stats,
> 
> From Doc, I expect to have
> 
> 
> -> { "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
>       }
>    }
> 
> 
> But I got only
> 
> -> { "execute": "query-balloon" }
> <- {
>       "return":{
>          "actual":1073741824,
>       }
>    }

Yes, that's correct, the doc is wrong. Balloon stats have been disabled
long ago. I've sent a series to re-enable them:

 http://lists.gnu.org/archive/html/qemu-devel/2012-12/msg00287.html

I'll send a patch fixing the old doc shortly.