Tuning the scheduler? Desktop with a CPU-intensive task becomes rapidly unusable.

[Andriy Gapon]

on 06/09/2010 22:05 jhell said the following:
> On 09/03/2010 20:14, David Xu wrote:
>> I think sysctl kern.sched.preempt_thresh is too low, default is only
>> 64. I always tune it up to 200 on  my desktop machine which is
>> running gnome and other GUI applications, for a heavy GUI deskkop, I
>> would tune it up to 224 to get better result.
>>
> 
> For reference how did you arrive at 224 for a result ?

As Jeremy has already discovered, take a look at sys/sys/priority.h, especially
PRI_MIN_IDLE.


-- 
Andriy Gapon