Re: [Qemu-devel] [question] How to get the guest physical memory usage from host?

[Andrey Korolyov]

On Mon, Dec 22, 2014 at 11:57 AM, Zhang Haoyu <address@hidden> wrote:
>
> On 2014/12/22 16:41, Andrey Korolyov wrote:
>> On Mon, Dec 22, 2014 at 6:59 AM, Zhang Haoyu <address@hidden> wrote:
>>> Hi,
>>>
>>> How to get the guest physical memory usage from host?
>>> I don't want to introduce a guest-agent to get the info.
>>>
>>> Thanks,
>>> Zhang Haoyu
>>>
>>
>> There`s probably one approach, simular to (currently abandoned)
>> virt-dmesg, via peeking to the guest memory directly. What are reasons
>> for not leaving this task to agent, as it looks much simpler?
>>
> In some cases, we are not permitted to install anything in customer's guest 
> environment.
>
> Thanks,
> Zhang Haoyu

Ok, looks like memory peeking techniques are only a choice then. And,
of course, this approach tends to be less flexible, because it depends
on a relatively strict requirements for running kernel in a guest.