SCHED_ULE should not be the default

[George Mitchell]

On 12/13/11 18:02, Marcus Reid wrote:
> [...]
> The issues that I've seen with ULE on the desktop seem to be caused by X
> taking up a steady amount of CPU, and being demoted from being an
> "interactive" process.  X then becomes the bottleneck for other
> processes that would otherwise be "interactive".  Try 'renice -20
> <pid_of_X>' and see if that makes your problems go away.
>
> Marcus
> [...]

renice on X has no effect.  Stopping my compute-bound dnetc process
immediately speeds everything up; restarting it slows it back down.


On 12/13/11 19:01, mdf at freebsd.org wrote:
 > [...]
 > Has anyone experiencing problems tried to set sysctl 
kern.sched.steal_thresh=1 ?
 > [...]

1 appears to be the default value for kern.sched.steal_thresh.

-- George Mitchell