On Mon, Apr 30, 2012 at 2:46 PM, John Watlington <[email protected]> wrote: > > On Apr 30, 2012, at 9:28 AM, Peter Robinson wrote: > >> On Mon, Apr 30, 2012 at 2:23 PM, John Watlington <[email protected]> wrote: >>> >>> Can someone please enlighten me as to the current state >>> of Linux and asymmetric multiprocessing ? A number of >>> ARM SoCs on the market include both high performance >>> and low power cores. >>> >>> Does Linux have a strategy for scheduling to these >>> asymmetric processing units yet ? >> >> Presumable you're referring to the general cores like the Tegra3 and >> not some of the supplemental cores like on the OMAP devices for media >> processing? > > I'm referring to cores running the same instruction set, but with > widely varying processing speeds (OMAP 5, Marvell PXA2128, > i.e. ARM big.LITTLE).
Various links below, in fact yesterday Linaro I believe released a qemu image that allows big.LITTLE to be emulated for dev and testing. https://lwn.net/Articles/481055/ http://www.linaro.org/linaro-blog/2011/12/15/big-little-technology-two-usage-models/ https://wiki.linaro.org/WorkingGroups/Kernel/Big.Little.Switcher http://lists.linaro.org/mailman/listinfo/linaro-big-little http://git.linaro.org/gitweb?p=arm/big.LITTLE/switcher.git;a=summary http://www.linaro.org/linaro-blog/2012/04/26/linaro-12-04-released/ _______________________________________________ Devel mailing list [email protected] http://lists.laptop.org/listinfo/devel
