Messages in this thread |  | | | From | Marc-Christian Petersen <> | | Subject | Re: [BENCHMARK] scheduler tunables with contest - prio_bonus_ratio | | Date | Fri, 20 Dec 2002 12:17:07 +0100 |
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On Friday 20 December 2002 00:53, Robert Love wrote:
Hi Robert,
> You would probably get the same effect or better by setting > prio_bonus_ratio lower (or off). > Setting it lower will also give less priority bonus/penalty and not > reinsert the tasks so readily into the active array. > Something like the attached patch may help...
> --- linux-2.5.52/kernel/sched.c 2002-12-19 18:47:53.000000000 -0500 > +++ linux/kernel/sched.c 2002-12-19 18:48:05.000000000 -0500 > @@ -66,8 +66,8 @@ > int child_penalty = 95; > int parent_penalty = 100; > int exit_weight = 3; > -int prio_bonus_ratio = 25; > -int interactive_delta = 2; > +int prio_bonus_ratio = 5; > +int interactive_delta = 1; > int max_sleep_avg = 2 * HZ; > int starvation_limit = 2 * HZ; FYI: These changes are a horrible slowdown of all apps while kernel compilation.
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