Re: [PATCH 05/16] sched: SCHED_DEADLINE policy implementation.

From: Peter Zijlstra
Date: Mon Apr 23 2012 - 17:45:55 EST


On Mon, 2012-04-23 at 22:25 +0100, Tommaso Cucinotta wrote:
> I cannot get the real difference between rq->clock and rq->task_clock.

One runs at wall-time (rq->clock) the other excludes time in irq-context
and steal-time (rq->clock_task).

The idea is that ->clock_task gives the time as observed by schedulable
tasks and excludes other muck.
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