On Wed, 2006-06-07 at 10:15 -0600, Christopher Friesen wrote: > Is anyone aware of any implementations (or even research) for accurate > cpu controllers on SMP systems?
Christopher, Have you tried the f-series CPU controller ? How does it fair in the cases you describe below ? > > I'd like to be able to control the cpu allocated to classes (aka > resource groups) with long-term (1-minute) accuracy better than .1%, > and short-term (2-second) accuracy of .6% or so. I do not think we have these goals. Maeda can elaborate more. > > I want to set the guarantees on a per-cpu basis. I need to handle the > case where there are fewer tasks in a class than there are cpus--the > performance hit of forced load balancing and task migration is less > important than cpu share accuracy. > > Anyone have any pointers? Research papers? We've got the older version > of ckrm working reasonably well on UP, but it pretty much fell apart on SMP. I presume by old you mean the e-series CPU controller (or the version in SLES9 ?). Can you try f-series ? > > Thanks, > > Chris > > > _______________________________________________ > ckrm-tech mailing list > https://lists.sourceforge.net/lists/listinfo/ckrm-tech -- ---------------------------------------------------------------------- Chandra Seetharaman | Be careful what you choose.... - [EMAIL PROTECTED] | .......you may get it. ---------------------------------------------------------------------- _______________________________________________ ckrm-tech mailing list https://lists.sourceforge.net/lists/listinfo/ckrm-tech