Messages in this thread | | | Date | Wed, 22 Jan 2014 17:09:01 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH 2/2] sched: add statistic for rq->max_idle_balance_cost |
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On Wed, Jan 22, 2014 at 04:24:13PM +0800, Alex Shi wrote: > From: Alex Shi <alex.shi@linaro.org> > Date: Tue, 21 Jan 2014 13:28:55 +0800 > Subject: [RFC PATCH] sched: add statistic for rq->max_idle_balance_cost > > It's useful to track this value in debug mode. > > Signed-off-by: Alex Shi <alex.shi@linaro.org> > --- > kernel/sched/debug.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c > index 1e43e70..f5c529a 100644 > --- a/kernel/sched/debug.c > +++ b/kernel/sched/debug.c > @@ -315,6 +315,7 @@ do { \ > P(sched_goidle); > #ifdef CONFIG_SMP > P64(avg_idle); > + P64(max_idle_balance_cost); > #endif > P(ttwu_count);
Not also the per-sd value in sd_alloc_ctl_domain_table() ?
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