Re: [RFC][PATCH] sched: fix GENTLE_FAIR_SLEEPERS dependency

Mike Galbraith
2009-12-04T13:13:00Z

On Fri, 2009-12-04 at 17:12 +0530, Suresh Jayaraman wrote:
> On 12/04/2009 04:38 PM, Peter Zijlstra wrote:
> > On Fri, 2009-12-04 at 15:50 +0530, Suresh Jayaraman wrote:
> >>
> >> I think originally introduced as a development/debugging facility,
> >> sched_features is slowly transforming into a viable tool for System
> >> Administrators, by looking at the impact of turning on/off some of these
> >> features on some workloads (especially non-desktop workloads). And I
> >> think these benefits should be passed on to the end users perhaps in the
> >> form of documentation.
> >
> > This is really not meant to be used in that context. Its purely a debug
> > feature, with knobs coming and going as we see fit.
> >
>
> Does this also mean these features should not impact any specific
> workload much?

Not at all. Most loads will be heavily affected by one or more
features.

-Mike