Hello,
I'm trying to implement a simple scheduling policy in the Linux kernel,
but I'm not sure if I correctly understand the sched_class interface.
Specifically, I would like to know more about the following functions:
* put_prev_task(struct rq *rq, struct task_struct *prev)
Q: It means the prev was preempted and I have to reschedule another
task? Or I have just to add prev to the running queue?
The code should look something like:
if (prev->se.on_rq)
{
enqueue_task(rq, prev);
}
or I'm wrong?
* task_tick(struct rq *rq, struct task_struct *p, int queued)
Q: Should I preempt the task p, by calling resched_task? What does
"queued" means?
Thanks,
--
LaurenÈiu DascÄlu
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