Re: [Xen-devel] A question no one can answer

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

Without hardware support to help with this (which does not exist) the
hypervisor is restricted to crude methods like monitoring cache-miss
performance counters and preempting an overly-aggressive guest. It is rather
likely that to get smooth enough throttling of bandwidth you would incur
significant monitoring and scheduling overhead. It's not even certain that
this approach would work at all!

 -- Keir

On 15/2/08 02:27, "Robert Stober" <rstober@xxxxxxxxxxxx> wrote:

> Good Afternoon,
> 
> Is it possible to limit a guest OS to a specific memory bandwidth
> allocation? The purpose is to stop one guest OS from saturating the
> memory bus.
> 
> Thank you,
> 
> Robert
> 
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