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Groups > linux.kernel > #1207612
| From | Morten Rasmussen <morten.rasmussen@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 6/6] sched/fair: Initialize task load and utilization before placing task on rq |
| Date | 2015-08-14 18:30 +0200 |
| Message-ID | <pXq1H-7le-15@gated-at.bofh.it> (permalink) |
| References | <pXq1H-7le-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Task load or utilization is not currently considered in select_task_rq_fair(), but if we want that in the future we should make sure it is not zero for new tasks. cc: Ingo Molnar <mingo@redhat.com> cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com> --- kernel/sched/core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index b11f624..ae9fca32 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2294,6 +2294,8 @@ void wake_up_new_task(struct task_struct *p) struct rq *rq; raw_spin_lock_irqsave(&p->pi_lock, flags); + /* Initialize new task's runnable average */ + init_entity_runnable_average(&p->se); #ifdef CONFIG_SMP /* * Fork balancing, do it here and not earlier because: @@ -2303,8 +2305,6 @@ void wake_up_new_task(struct task_struct *p) set_task_cpu(p, select_task_rq(p, task_cpu(p), SD_BALANCE_FORK, 0)); #endif - /* Initialize new task's runnable average */ - init_entity_runnable_average(&p->se); rq = __task_rq_lock(p); activate_task(rq, p, 0); p->on_rq = TASK_ON_RQ_QUEUED; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH 0/6] sched/fair: Compute capacity invariant load/utilization tracking Morten Rasmussen <morten.rasmussen@arm.com> - 2015-08-14 18:30 +0200
[PATCH 4/6] sched/fair: Name utilization related data and functions consistently Morten Rasmussen <morten.rasmussen@arm.com> - 2015-08-14 18:30 +0200
[PATCH 6/6] sched/fair: Initialize task load and utilization before placing task on rq Morten Rasmussen <morten.rasmussen@arm.com> - 2015-08-14 18:30 +0200
[PATCH 3/6] sched/fair: Make utilization tracking cpu scale-invariant Morten Rasmussen <morten.rasmussen@arm.com> - 2015-08-14 18:30 +0200
Re: [PATCH 3/6] sched/fair: Make utilization tracking cpu scale-invariant Dietmar Eggemann <dietmar.eggemann@arm.com> - 2015-08-15 01:10 +0200
Re: [PATCH 0/6] sched/fair: Compute capacity invariant load/utilization tracking Peter Zijlstra <peterz@infradead.org> - 2015-08-17 00:10 +0200
Re: [PATCH 0/6] sched/fair: Compute capacity invariant load/utilization tracking Morten Rasmussen <morten.rasmussen@arm.com> - 2015-08-17 13:30 +0200
Re: [PATCH 0/6] sched/fair: Compute capacity invariant load/utilization tracking Peter Zijlstra <peterz@infradead.org> - 2015-08-17 13:50 +0200
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