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RE: [Xen-devel] vcpu-pin ?
| To: | "Nicholas Lee" <emptysands@xxxxxxxxx>, "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] vcpu-pin ? |
| From: | "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> |
| Date: | Thu, 13 Oct 2005 11:09:27 +0100 |
| Cc: | Ryan Harper <ryanh@xxxxxxxxxx>, Ewan Mellor <ewan@xxxxxxxxxxxxx> |
| Delivery-date: | Thu, 13 Oct 2005 10:07:12 +0000 |
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| Thread-index: | AcXPxrGBvqcKyAHQSd+9o/JdzNxkZQAFvkAA |
| Thread-topic: | [Xen-devel] vcpu-pin ? |
> I'm I reading this as meaning a single VCPU domain can be > switch from one 'real' CPU to another and back again? > > vcpu-pin <DomId> <VCpu> <CPUS> set which cpus a VCPU can use. SMP domains have multiple VCPUs, so you can specify which VCPU the pin operation refers to. The CPUs parameter can actually be a list of eligible physical CPUs. [NB: I'm actually not sure how useful this command is -- its probably easier from a user point of view to specify a set of physcial CPUS for a domain, and have eiher xen or xend allocate VCPUs to eligible physical CPUs] Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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