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xen-devel
Re: [Xen-devel] [PATCH] Export Multicore information
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To: |
"Kamble, Nitin A" <nitin.a.kamble@xxxxxxxxx> |
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Subject: |
Re: [Xen-devel] [PATCH] Export Multicore information |
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From: |
John Levon <levon@xxxxxxxxxxxxxxxxx> |
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Date: |
Mon, 11 Dec 2006 23:46:38 +0000 |
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Cc: |
"Yu, Wilfred" <wilfred.yu@xxxxxxxxx>, Ian Pratt <m+Ian.Pratt@xxxxxxxxxxxx>, Xen devel list <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Yang, Fred" <fred.yang@xxxxxxxxx>, "Mallick, Asit K" <asit.k.mallick@xxxxxxxxx>, "Nakajima, Jun" <jun.nakajima@xxxxxxxxx>, Keir Fraser <keir@xxxxxxxxxxxxx> |
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Mon, 11 Dec 2006 15:46:03 -0800 |
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On Mon, Dec 11, 2006 at 03:25:49PM -0800, Kamble, Nitin A wrote:
> This information is for administrator/end user of the system to make
> better decisions about partitioning the processors in the system across
> multiple domains. Dom0 may not be running on all the CPUs in the system,
> so this gives a view from hyper visor about all the CPUs that hyper
> visor sees. And also the cache info may not always be symmetric in the
> system.
Whilst it might be useful to provide hypercalls for such, I do not think
it makes sense for 'xm' to have this information. It should be provided
as part of whatever OS tools already exist to output this information.
Adding xm cacheinfo seems like a hack.
regards
john
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- RE: [Xen-devel] [PATCH] Export Multicore information, Kamble, Nitin A
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