Re: [Xen-users] RE: Co-scheduling HVM domains...

[Javier Guerra <javier@xxxxxxxxxxx>]

On Tuesday 27 March 2007, Roger Cruz wrote:
> 2) We'll have a lot more domain pairs than CPUs. They (the pairs) run
> independent applications of each other so batching requests is not a
> choice at this point.  But we do know that the two pairs will
> communicate (server-client app) and will use a shared memory construct
> to pass the messages back (no IP connection, just a proprietary comm.
> protocol using shared memory). There are latency issues involved in
> getting to those packets so if we could guarantee that when the client
> makes a request, the server will get it (almost) immediately, then we're
> golden.  So, I'm interested in tweaking the scheduling algorithm to
> guarantee that the server can get on the CPU after the client runs.

have you managed to get that shared memory working on Xen?  i guess that would 
be your first problem, CPU scheduling a very distant second.


-- 
Javier

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