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    SubjectRe: [PATCH 05/16] sched: SCHED_DEADLINE policy implementation.
    Il 23/04/2012 22:45, Peter Zijlstra ha scritto:
    > 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.

    so clock_task might be better to compute the consumed budget at task
    deschedule, but for setting deadlines one period ahead in the future
    guess the regular wall-time rq->clock is the one to be used?

    Thx,

    T.

    --
    Tommaso Cucinotta, Computer Engineering PhD, Researcher
    ReTiS Lab, Scuola Superiore Sant'Anna, Pisa, Italy
    Tel +39 050 882 024, Fax +39 050 882 003
    http://retis.sssup.it/people/tommaso



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