On Mon, 19 Apr 2021 at 19:13, Valentin Schneider
wrote:
>
> On 16/04/21 15:51, Vincent Guittot wrote:
> > Le jeudi 15 avril 2021 � 18:58:46 (+0100), Valentin Schneider a �crit :
> >> +
> >> +/*
> >> + * What does migrating this task do to our capacity-aware scheduling
> >> criterion?
> >> + *
On Mon, Apr 19, 2021 at 06:17:47PM +0100 Valentin Schneider wrote:
> On 19/04/21 08:59, Phil Auld wrote:
> > On Fri, Apr 16, 2021 at 10:43:38AM +0100 Valentin Schneider wrote:
> >> On 15/04/21 16:39, Rik van Riel wrote:
> >> > On Thu, 2021-04-15 at 18:58 +0100, Valentin Schneider wrote:
> >> >> @@
On 19/04/21 08:59, Phil Auld wrote:
> On Fri, Apr 16, 2021 at 10:43:38AM +0100 Valentin Schneider wrote:
>> On 15/04/21 16:39, Rik van Riel wrote:
>> > On Thu, 2021-04-15 at 18:58 +0100, Valentin Schneider wrote:
>> >> @@ -7672,6 +7698,15 @@ int can_migrate_task(struct task_struct *p,
>> >> struct
On 16/04/21 15:51, Vincent Guittot wrote:
> Le jeudi 15 avril 2021 � 18:58:46 (+0100), Valentin Schneider a �crit :
>> +
>> +/*
>> + * What does migrating this task do to our capacity-aware scheduling
>> criterion?
>> + *
>> + * Returns 1, if the task needs more capacity than the dst CPU can p
On Fri, Apr 16, 2021 at 10:43:38AM +0100 Valentin Schneider wrote:
> On 15/04/21 16:39, Rik van Riel wrote:
> > On Thu, 2021-04-15 at 18:58 +0100, Valentin Schneider wrote:
> >> Consider the following topology:
> >>
> >> Long story short, preempted misfit tasks are affected by task_hot(),
> >> whil
Le jeudi 15 avril 2021 à 18:58:46 (+0100), Valentin Schneider a écrit :
> Consider the following topology:
>
> DIE [ ]
> MC [][]
>0 1 2 3
>
> capacity_orig_of(x \in {0-1}) < capacity_orig_of(x \in {2-3})
>
> w/ CPUs 2-3 idle and CPUs 0-1 running CPU hogs (util_
On 15/04/21 16:39, Rik van Riel wrote:
> On Thu, 2021-04-15 at 18:58 +0100, Valentin Schneider wrote:
>> Consider the following topology:
>>
>> Long story short, preempted misfit tasks are affected by task_hot(),
>> while
>> currently running misfit tasks are intentionally preempted by the
>> stopp
On Thu, 2021-04-15 at 18:58 +0100, Valentin Schneider wrote:
> Consider the following topology:
>
> Long story short, preempted misfit tasks are affected by task_hot(),
> while
> currently running misfit tasks are intentionally preempted by the
> stopper
> task to migrate them over to a higher-cap
Consider the following topology:
DIE [ ]
MC [][]
0 1 2 3
capacity_orig_of(x \in {0-1}) < capacity_orig_of(x \in {2-3})
w/ CPUs 2-3 idle and CPUs 0-1 running CPU hogs (util_avg=1024).
When CPU2 goes through load_balance() (via periodic / NOHZ balance), it
should
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