On 03/25/2015 01:50 PM, Meng Xu wrote: > 2015-03-25 7:58 GMT-04:00 George Dunlap <george.dun...@eu.citrix.com>: > >> On 03/25/2015 01:48 AM, Meng Xu wrote: >>> Exactly! I will do some measurement on the overhead in #2 before I >> really >>> try to do it. Since #1 is fairly easy, I will first implement #1 and see >>> how much gap it remains to achieve the bare-metal performance. >> >> Interface-wise: I'm wondering if at the Xen or libxl level we really >> need to have a whole new set of hypercalls, at least to implement #1. >> Would it make sense for certain schedulers to automatically switch to >> "no accounting" mode when the hard_affinity of a vcpu is limited to one >> vcpu, and no other vcpus are also limited to that one vcpu? >> > > I guess you mean: > certain schedulers to automatically switch to > "no accounting" mode when the hard_affinity of a vcpu is limited to one > " > cpu > " (not vcpu) > , and > > no other vcpus are also limited to that one > " > cpu > " > ? > > Am I correct? :-)
Ah, yes, thanks. :-) -George _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel