[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] Problems about CPU Affinity
* Ian Pratt <Ian.Pratt@xxxxxxxxxxxx> [2007-05-18 05:36]: > > > I thought you could by specifying a list of physical CPUs? > > > Perhaps this > > > got broken by the xapi changes? > > > > No, the problem that the original post talks about, is that you can't > > set affinity of individual VCPU's to individual PCPU's, e.g: > > vcpus=2 > > cpus=2 > > AFAIK, you used to be able to specify a list: > vcpus=2 > cpus = ["2,3,4","5,6,7"] > > Maybe this patch never went in. AFAIR it was from Ryan. I don't think we ever took the multi cpumask per vcpu patch. At the time, only the part where we apply the same cpumask defined from cpus="" value to each vcpu when in allowing the credit scheduler to balance within the affinity mask. Couple of threads of discussion here: http://lists.xensource.com/archives/html/xen-devel/2006-08/msg00965.html follow up threads: http://lists.xensource.com/archives/html/xen-devel/2006-08/msg00783.html http://lists.xensource.com/archives/html/xen-devel/2006-08/msg00785.html The only changes that is see committed were: changeset: 11111:438ed1c4b391 user: kfraser@xxxxxxxxxxxxxxxxxxxxx date: Tue Aug 15 10:56:59 2006 +0100 summary: [XEND] Apply the domain cpumask fully to every vcpu in the domain. -- Ryan Harper Software Engineer; Linux Technology Center IBM Corp., Austin, Tx (512) 838-9253 T/L: 678-9253 ryanh@xxxxxxxxxx _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |