TTY task group scheduling

Bruce Cran bruce at
Thu Nov 18 20:12:00 UTC 2010

[removed current and stable from Cc list]

On Thu, 18 Nov 2010 19:55:05 +0100
Lucius Windschuh <lwindschuh at> wrote:

> Because currently, my machine is barely usable if a compile job with
> parallelism is running. Movies stutter, Firefox hangs. And even nice
> -n 20 doesn't do the job in every case, as +20 seems not to be the
> idle priority anymore?!?

Have you tried increasing kern.sched.preempt_thresh? According to
a good value for desktop use would be 224.

Bruce Cran

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