Re: [Qemu-devel] Qemu live migration code

[Bechir Bani <bechir.bani@gmail.com>]

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Hi Sanidhya,


Which function in savevm.c can tell me about the stop time ?


2014-03-24 13:46 GMT-04:00 Sanidhya Kashyap <sanidhya.iiith@gmail.com>:

> savevm.c will tell you about the stop time.
>
> arch_init.c (ram_save_block) will tell about the number of pages
> transferred.
>
>
> On Mon, Mar 24, 2014 at 10:51 PM, Bechir Bani <bechir.bani@gmail.com>wrote:
>
>> I have a task to add trace points in the source code of Qemu. The goal is
>> to know the number of pages transferred at each iteration and stop time of
>> the machine as well.
>>
>>
>> 2014-03-24 12:50 GMT-04:00 Dr. David Alan Gilbert <dgilbert@redhat.com>:
>>
>> * Bechir Bani (bechir.bani@gmail.com) wrote:
>>> > Hi,
>>> >
>>> > I want to know the source code of qemu which is responsible for the
>>> > migration of virtual machines, more precisely where the part of the
>>> code
>>> > that describes the stages of memory transfer. is that you can help me?
>>>
>>> It's split around a few files; memory is mostly in arch_init.c;
>>> It's something like:
>>>
>>>    migration.c       Overall management
>>>       savevm.c
>>>         qemu-file.c    File buffering/bytes on the wire
>>>         vmstate.c      Structured saving of individual devices
>>>         arch_init.c    RAM special code, and a few other things
>>>
>>> What are you trying to do/change?
>>>
>>> Dave
>>>
>>> --
>>> Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
>>>
>>
>>
>>
>> --
>> *Béchir Bani *
>> ****************************************************************
>> *Ecole Polytechnique de Montréal *
>> ****************************************************************
>> *Laboratoire DORSAL*
>> *****************************************************************
>> *Montréal - Canada*
>>
>
>


-- 
*Béchir Bani *
****************************************************************
*Ecole Polytechnique de Montréal *
****************************************************************
*Laboratoire DORSAL*
*****************************************************************
*Montréal - Canada*

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