Messages in this thread | | | Date | Mon, 06 May 2013 23:26:06 +0800 | From | Alex Shi <> | Subject | Re: [PATCH v5 3/7] sched: set initial value of runnable avg for new forked task |
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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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