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RE: [Xen-devel] [PATCH] Add DOM0_GETDOMAININFOLIST op for bulkretrieval
| To: | "Josh Triplett" <josht@xxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] [PATCH] Add DOM0_GETDOMAININFOLIST op for bulkretrieval of domain info |
| From: | "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> |
| Date: | Sat, 25 Jun 2005 02:41:07 +0100 |
| Delivery-date: | Sat, 25 Jun 2005 01:40:09 +0000 |
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| Thread-index: | AcV5EZn4YKkRYyvgTLGFw9JhdXHGFwAFGO7Q |
| Thread-topic: | [Xen-devel] [PATCH] Add DOM0_GETDOMAININFOLIST op for bulkretrieval of domain info |
> The attached patch adds a new dom0_op, > DOM0_GETDOMAININFOLIST. This operation allows retrieval of > the domain info structures for all domains in one hypercall. > > 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? Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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