* Mike Galbraith <[EMAIL PROTECTED]> wrote: > Actually, the numbers are an interesting curiosity point, but not as > interesting as the fact that the deadline mechanism isn't kicking in.
it's not just the scheduling accounting being off, RSDL also seems to be accessing stale data here: > >From pull_task(): > /* > * If this task has already been running on src_rq this priority > * cycle, make the new runqueue think it has been on its cycle > */ > if (p->rotation == src_rq->prio_rotation) > p->rotation = this_rq->prio_rotation; > > The intent here is clearly that this task continue on the new cpu as > if nothing has happened. However, when the task was dequeued, > p->array was left as it was, points to the last place it was queued. > Stale data. it might point to a hot-unplugged CPU's runqueue as well. Which might work accidentally, but we want this fixed nevertheless. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/