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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] [Patch 2 of 2]: PV-domain SMP performance Linux-part
On 19/12/2008 09:33, "Jan Beulich" <jbeulich@xxxxxxxxxx> wrote: >>>> Keir Fraser <keir.fraser@xxxxxxxxxxxxx> 19.12.08 10:10 >>> >> I haven't seen any win on any real world setup. So I remain unconvinced, and >> it'll need more than you alone championing the patch to get it in. There >> have been no other general comments so far (Jan's have been about specific >> details). > > I think I'd generally welcome a change like this, but I'm not certain how far > I feel convinced that the submission meets one very basic criteria: > avoidance of mis-use of the feature by a domain (simply stating that a vCPU > will be de-scheduled after 1ms anyway doesn't seem sufficient to me). This > might need to include ways to differentiate between Dom0/DomU and/or > CPU- vs IO-bound vCPU-s. The most likely person to comment on that in the coming weeks would be George, who's kindly signed up to do some design work on the scheduler. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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