On Mon, 21 Jan 2019 at 13:47, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > > Sorry guys, I seem to have messed this up :/ > > Valentin pointed me out that I missed v3 and v4 of these patches; v3 got I was about to sent an email about that too > lost in the x-mas pile and v4 was actually on my todo list for this > week, but I'd forgotten I'd already queued v2. > > I'll go queue delta patches. Thanks > > On Mon, Jan 21, 2019 at 03:33:53AM -0800, tip-bot for Vincent Guittot wrote: > > index 50aa2aba69bd..2ccd6e093326 100644 > > --- a/kernel/sched/fair.c > > +++ b/kernel/sched/fair.c > > @@ -8190,6 +8190,12 @@ static inline void update_sg_lb_stats(struct lb_env *env, > > /* Adjust by relative CPU capacity of the group */ > > sgs->group_capacity = group->sgc->capacity; > > sgs->avg_load = (sgs->group_load*SCHED_CAPACITY_SCALE) / sgs->group_capacity; > > + /* > > + * Prevent division rounding to make the computation of imbalance > > + * slightly less than original value and to prevent the rq to be then > > + * selected as busiest queue: > > + */ > > + sgs->avg_load += 1; > > > > if (sgs->sum_nr_running) > > sgs->load_per_task = sgs->sum_weighted_load / sgs->sum_nr_running; > >
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