On Wed, Oct 16, 2013 at 03:16:44PM -0700, Paul Turner wrote: > > Hurm.. this gives new groups a massive weight; nr_cpus * NICE_0. ISTR > > there being some issues with this; or was that on the wakeup path where > > a task woke on a cpu who's group entity had '0' load because it used to > > run on another cpu -- I can't remember. > > This could also arbitrarily be MIN_WEIGHT. > > I don't think it actually matters, in practice the set of conditions > for this weight to ever see use are very specific (e.g. the race > described above). Otherwise it's always going to be re-initialized (on > first actual enqueue) to the right value. (NICE_0_LOAD seemed to make > sense since this is what you'd "expect" for a new, single thread, > autogroup/group.)
Fair enough. Thanks! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
