[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [Xen-devel] RFC: Still TODO for 4.2? xl domain numa memory allocation vs xm/xend
On Fri, 2012-01-20 at 09:47 +0000, Dario Faggioli wrote: > On Fri, 2012-01-20 at 09:01 +0000, Ian Campbell wrote: > > > See this thread: > > > http://old-list-archives.xen.org/archives/html/xen-devel/2011-07/msg01423.html > > > > > > where Stefano wrote: > > > "I think we forgot about this feature but it is important and hopefully > > > somebody will write a patch for it before 4.2 is out." > > > > Is anyone looking into this? > > > Hi, > > Actually, I'll be investigating how we could gradually introduce some > NUMA support in both the Xen scheduler and memory allocator! > > I already have some ideas and I'm looking at the code to better > understand it and find out what's the best strategy and from where it's > better to start. I can give some more details, here or on separate > thread, in a few days, if you're interested. > > The only thing is that I'm not sure how far I'll be able to get before > 4.2. I really think I'll have _something_ but maybe not a full-fledged > NUMA-aware patchset! :-P Sure, For 4.2 we should make sure that the toolstack does something vaguely sensible. > > Does cpupool-numa-split solve this same problem? > > > I'm looking right into that, and indeed I think it does a lot in this > direction. The idea was to try doing something similar in a sort of > automatic fashion, so that everyone can benefit from at least some > NUMA-awareness, even without having to bother with cpupools. > > It that what you were asking? Yes, thanks! Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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