On Mon, Jun 06, 2016 at 03:40:18PM +0200, Vincent Guittot wrote:
> > What about when tasks are moved between groups on CONFIG_SMP=n ?
> > Doesn't this change fail to age the load in that case?
>
> The load average stuff is only enable for SMP system but it's not used
> for UP system.
> To be hones
On Mon, 06 Jun, at 03:40:18PM, Vincent Guittot wrote:
>
> The load average stuff is only enable for SMP system but it's not used
> for UP system.
Duh, right. My bad.
Hi Matt,
On 6 June 2016 at 15:30, Matt Fleming wrote:
> On Mon, 06 Jun, at 08:20:37AM, Yuyang Du wrote:
>> attach_entity_load_avg() is called (indirectly) from:
>>
>> - switched_to_fair(): switch between classes to fair
>> - task_move_group_fair(): move between task groups
>> - enqueue_entity_
On Mon, 06 Jun, at 08:20:37AM, Yuyang Du wrote:
> attach_entity_load_avg() is called (indirectly) from:
>
> - switched_to_fair(): switch between classes to fair
> - task_move_group_fair(): move between task groups
> - enqueue_entity_load_avg(): enqueue entity
>
> Only in switched_to_fair() is
attach_entity_load_avg() is called (indirectly) from:
- switched_to_fair(): switch between classes to fair
- task_move_group_fair(): move between task groups
- enqueue_entity_load_avg(): enqueue entity
Only in switched_to_fair() is it possible that the task's last_update_time
is not 0 and ther
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