Re: [Xen-devel] Help about live migration VM

[Kai Huang <dev.kai.huang@xxxxxxxxx>]

On Sun, Jan 12, 2014 at 1:40 AM, Adel Amani <adel.amani66@xxxxxxxxx> wrote:
> Hello Mr Dunlap
> I really wonder of anybody know answer :-(
> can you help me?!
> I want found time "Downtime" and number "dirty pages" in end migration ...

What do you mean by "Downtime", and "in end migration"? Migration will
take several rounds to transfer dirty pages. If you want to know
exactly how many pages are dirty during each stage, you can get the
dirty page bitmap in xc_domain_save, which will be called for each
live migration stage.

Thanks,
-Kai
> please help me.
> Thanks.
>
> Adel Amani
> M.Sc. Candidate@Computer Engineering Department, University of Isfahan
> Email: A.Amani@xxxxxxxxxxxx
>
>
> On Saturday, January 11, 2014 12:31 AM, Adel Amani <adel.amani66@xxxxxxxxx>
> wrote:
> Hello
> I do one migration and trace in migration to command "xentrace -D -e all -S
> 256 /test.trace"
> I can get total time migration of command "time migration -l ubuntu11
> 192.168.1.1"  But i don't know how get "Downtime" and "dirty pages" of
> test.trace :-(  or from another way...
>
> Adel Amani
> M.Sc. Candidate@Computer Engineering Department, University of Isfahan
> Email: A.Amani@xxxxxxxxxxxx
>
>
>
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>

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