Re: [Xen-users] Dynamically assign Hardware Resources

[Dominik Klein <dk@xxxxxxxxxxxxxxxx>]

> For the memory assignment, there already are two different parameters,
> maxmem and memory, so it shouldn't be too difficult to set maxmem to a
> larger amount than memory. I guess it would need implementing a new
> variable in the config file, but that's probably not really difficult.  
Okay. Thank you.

> Adding a "max vcpu" value would most likely require a little bit more
> work, as you'd have to allocate the extra VCPU's up-front in the domain
> creation, and just not set them to runnable. 
>
> > So what I'm thinking about is writing a startup script in order to do 
> > this if nothing like that is available yet. Another thing I want to 
> > integrate is to set sched-credit weight and cap at boot time.
> > It would be even nicer to have this in xm, but unfortunately, 
> > I am not a 
> > C-programmer myself.
> xm is written in python, so you don't need to know C (but I guess if you
> don't know Python, that's not really a help). 
True :(

> However, some of the work described above would require changing the
> libxc and perhaps even the core of the hypervisor to allow the
> functionality to be implemented. 
So I just started writing the (shell)script. I will post it here when I 
think it's usable.
Regards
Dominik

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