Re: [PATCH] sched: update cpupri for runqueue when its prioritychanges

From: Steven Rostedt
Date: Fri Jun 17 2011 - 10:34:32 EST

On Fri, 2011-06-17 at 20:59 +0800, Hillf Danton wrote:

> > We do the calculation on queuing and dequeuing the task, we only care
> > about the highest priority task that is on the queue, not what is
> > actually running.
> >
> It is to capture the changes in CPU priority caused by re-queued task and
> throttled RQ.

If we throttled the rq, then the fix up should happen in the
(en,de)queue code, and not scattered around.

I'll look deeper into how throttling affects the cpupri.

-- Steve

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