On Mon, 2021-04-19 at 12:22 +0100, Valentin Schneider wrote:
> On 18/04/21 22:17, Rik van Riel wrote:
> > @@ -10661,7 +10669,8 @@ static int newidle_balance(struct rq
> > *this_rq, struct rq_flags *rf)
> >* Stop searching for tasks to pull if there are
> >* now runna
On Mon, 19 Apr 2021 at 04:18, Rik van Riel wrote:
>
> The try_to_wake_up function has an optimization where it can queue
> a task for wakeup on its previous CPU, if the task is still in the
> middle of going to sleep inside schedule().
>
> Once schedule() re-enables IRQs, the task will be woken up
On 18/04/21 22:17, Rik van Riel wrote:
> @@ -10661,7 +10669,8 @@ static int newidle_balance(struct rq *this_rq, struct
> rq_flags *rf)
>* Stop searching for tasks to pull if there are
>* now runnable tasks on this rq.
>*/
> - if (pulled_t
On Sun, Apr 18, 2021 at 10:17:51PM -0400, Rik van Riel wrote:
> The try_to_wake_up function has an optimization where it can queue
> a task for wakeup on its previous CPU, if the task is still in the
> middle of going to sleep inside schedule().
>
> Once schedule() re-enables IRQs, the task will b
Hi Rik,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/sched/core]
[also build test ERROR on linux/master linus/master v5.12-rc8 next-20210416]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '-
The try_to_wake_up function has an optimization where it can queue
a task for wakeup on its previous CPU, if the task is still in the
middle of going to sleep inside schedule().
Once schedule() re-enables IRQs, the task will be woken up with an
IPI, and placed back on the runqueue.
If we have suc
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