On 11 September 2014 12:07, Peter Zijlstra <[email protected]> wrote: > On Tue, Aug 26, 2014 at 01:06:51PM +0200, Vincent Guittot wrote: > >> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c >> index 18db43e..60ae1ce 100644 >> --- a/kernel/sched/fair.c >> +++ b/kernel/sched/fair.c >> @@ -6049,6 +6049,14 @@ static bool update_sd_pick_busiest(struct lb_env *env, >> return true; >> } >> >> + /* >> + * The group capacity is reduced probably because of activity from >> other >> + * sched class or interrupts which use part of the available capacity >> + */ >> + if ((sg->sgc->capacity_orig * 100) > (sgs->group_capacity * >> + env->sd->imbalance_pct)) >> + return true; >> + >> return false; >> } > > This is unlikely to have worked as intended. You will never reach this, > except on PowerPC >= 7. All other machines will have bailed at the > !ASYM_PACKING check above this.
Ah yes, i miss that change while rebasing on rik patches. My use case fall in this wider test now that we always select a busiest group -- 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/

