Re: [PATCH v5 3/7] sched: set initial value of runnable avg for newforked task

[Alex Shi]

On 05/06/2013 06:22 PM, Paul Turner wrote:
>>> >> This is missing a scale_load() right?  Further: Why not put this in
>>> >> __sched_fork?
>> >
>> > scale_load is not working now. Anyway I can add this.
> I believe someone tracked down a plausible cause for this:
> A governor was examining the values and making a mess with the scaled
> ones.  I'm sorry, I don't have the post off hand.
> 
> You actually likely ideally want this _on_ for these patches; the
> available resolution with SCHED_LOAD_SHIFT=10 disappears really
> quickly and scaling by runnable_avg only further accelerates that.

Sorry for can not follow you. Do you mean the scaling by runnable_avg is
better than scale_load?

In fact, after think twice of scale_load, guess better to figure out a
good usage for it before enabling blindly.

> We should try to get this generally turned on by default again.
>> >
-- 
Thanks
    Alex
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