lkml.org 
[lkml]   [2007]   [Mar]   [20]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    /
    Date
    From
    SubjectRe: RSDL v0.31
    Al Boldi wrote:
    > --- sched.bak.c 2007-03-16 23:07:23.000000000 +0300
    > +++ sched.c 2007-03-19 23:49:40.000000000 +0300
    > @@ -938,7 +938,11 @@ static void activate_task(struct task_st
    > (now - p->timestamp) >> 20);
    > }
    >
    > - p->quota = rr_quota(p);
    > + /*
    > + * boost factor hardcoded to 5; adjust to your liking
    > + * higher means more likely to DoS
    > + */
    > + p->quota = rr_quota(p) + (((now - p->timestamp) >> 20) * 5);
    > p->prio = effective_prio(p);
    > p->timestamp = now;
    > __activate_task(p, rq);

    i've tried this and it lasted only a few minutes -- i was seeing
    mouse cursor stalls lasting almost 1s. i/o bound tasks starving X?
    After reverting the patch everything is smooth again.

    artur

    -
    To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
    the body of a message to majordomo@vger.kernel.org
    More majordomo info at http://vger.kernel.org/majordomo-info.html
    Please read the FAQ at http://www.tux.org/lkml/

    \
     
     \ /
      Last update: 2007-03-20 20:53    [W:0.037 / U:0.060 seconds]
    ©2003-2016 Jasper Spaans. hosted at Digital OceanAdvertise on this site