Re: [PATCH v3 5/5] sched/deadline: Implement fallback mechanism for !fit case

2020-05-22 Thread Juri Lelli
On 20/05/20 15:42, Dietmar Eggemann wrote: > From: Luca Abeni > > When a task has a runtime that cannot be served within the scheduling > deadline by any of the idle CPU (later_mask) the task is doomed to miss > its deadline. > > This can happen since the SCHED_DEADLINE admission control guarant

[PATCH v3 5/5] sched/deadline: Implement fallback mechanism for !fit case

2020-05-20 Thread Dietmar Eggemann
From: Luca Abeni When a task has a runtime that cannot be served within the scheduling deadline by any of the idle CPU (later_mask) the task is doomed to miss its deadline. This can happen since the SCHED_DEADLINE admission control guarantees only bounded tardiness and not the hard respect of al