Re: [PATCH 1/1] psi: do not require setsched permission from the trigger creator

[Peter Zijlstra]

On Thu, Aug 01, 2019 at 11:28:30AM -0700, Suren Baghdasaryan wrote:
> > By marking it FIFO-99 you're in effect saying that your stupid
> > statistics gathering is more important than your life. It will preempt
> > the task that's in control of the band-saw emergency break, it will
> > preempt the task that's adjusting the electromagnetic field containing
> > this plasma flow.
> >
> > That's insane.
> 
> IMHO an opt-in feature stops being "stupid" as soon as the user opted
> in to use it, therefore explicitly indicating interest in it. However
> I assume you are using "stupid" here to indicate that it's "less
> important" rather than it's "useless".

Quite; PSI does have its uses. RT just isn't one of them.