Re: [Xen-devel] [PATCH] Add DOM0_GETDOMAININFOLIST op for bulkretrieval of domain info

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 25 Jun 2005, at 02:41, Ian Pratt wrote:

> > Using a small test program, on a system with 97 domains with
> > non-contiguous domain IDs, I found that with this hypercall I
> > could retrieve the full array of info structures 12840 times
> > per second, an improvement from 2380 times per second with
> > the DOM0_GETDOMAININFO op.
> Can't you just reuse the existing xc_getdomain_info function and change
> the hypercall depending on the number of domains being requested?
Why not just add nr_doms argument to existing GETDOMAININFO op?
Maybe make nr_doms==0 same as nr_doms==1 for backward source 
compatibility.
 -- Keir


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