Re: [PATCH 0/7] CPU controller - V1

Mike Galbraith
2006-08-21T08:34:17Z

On Sun, 2006-08-20 at 23:10 +0530, Srivatsa Vaddagiri wrote:
> Salient design points of this patch:
>
> - Each task-group gets its own runqueue on every cpu.
>
> - In addition, there is an active and expired array of
> task-groups themselves. Task-groups who have expired their
> quota are put into expired array.
>
> - Task-groups have priorities. Priority of a task-group is the
> same as the priority of the highest-priority runnable task it
> has. This I feel will retain interactiveness of the system
> as it is today.

WRT interactivity: Looking at try_to_wake_up(), it appears that wake-up
of a high priority group-a task will not result in preemption of a lower
priority current group-b task. True?

-Mike