Re: [Qemu-devel] QEMU patch to allow VM introspection via libvmi

[Markus Armbruster]

Valerio Aimale <address@hidden> writes:

> On 10/22/15 5:50 AM, Markus Armbruster wrote:
>> Valerio Aimale <address@hidden> writes:
>>
>>> On 10/21/15 4:54 AM, Markus Armbruster wrote:
[...]
>>>> Can you give an example?
>>> Yes. I was trying to dump the full extent of physical memory of a VM
>>> that has 8GB memory space (ballooned). I simply did this:
>>>
>>> $ telnet localhost 1234
>>> Trying 127.0.0.1...
>>> Connected to localhost.
>>> Escape character is '^]'.
>>> QEMU 2.4.0.1 monitor - type 'help' for more information
>>> (qemu) pmemsave 0 8589934591 "/tmp/memsaved"
>>> 'pmemsave' has failed: integer is for 32-bit values
>>>
>>> Maybe I misunderstood how pmemsave works. Maybe I should have used
>>> dump-guest-memory
>> This is am unnecessary limitation caused by 'size:i' instead of
>> 'size:o'.  Fixable.
> I think I tried changing size:i to size:l, but, I was still receiving
> the error.

I should have a look.  HMP is relatively low priority for me; feel free
to remind me in a week or two.