[Xen-devel] xm pause <domain>

[Chotu Ram <chotwo@xxxxxxxxxxx>]

Hi All,

I would like to know how does the pause functionality works with xm. I am able 
to
use it but not sure what exactly it does. The documentation mentions it but 
doesn't really say what does it do or what is it used for. My assumption is it 
stops the CPU cycles provided to the domain and so the domain kind of "freezes".

Also, once the domain is paused, is it possible to do some analysis on the
state... like what processes are running (which were froze now), what files were
open etc. from the hypervisor using the existing tools. Also, if such tools
don't exist, how difficult or easy would it be to develop such tools and which
parts of the code would have to be modified. Where does the code for pause 
exist?

I would really appreciate any help in this regard.

Thanks,

Chotu



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