Re: [RFC PATCH] sched: START_NICE feature (temporarily niced forks)(v3)

[Ingo Molnar]

* Mike Galbraith <efault@xxxxxx> wrote:

> Tangent: cgroups with classification user/pgid
>
> taskset -c 3 ./wakeup-latency& sleep 30 && killall wakeup-latency
> (taskset -c 3 make -j10 running)
> 
> maximum latency: 256.5 µs
> average latency: 25.7 µs
> missed timer events: 0
> 
> Rather spiffy for this case.

Ouch, nothing beats proper segregation of workloads.

It would be _really_ nice to get that automatically somehow, for make -j 
jobs. Perhaps a per tty auto-cgroup-classification kernel feature?

We cannot really rely on distros to pull this off.

Thanks,

	Ingo
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