Re: [Update][PATCH v7 7/7] cpufreq: schedutil: New governor based on scheduler utilization data
From: Peter Zijlstra
Date: Thu Mar 31 2016 - 08:42:15 EST
On Thu, Mar 31, 2016 at 02:18:33PM +0200, Rafael J. Wysocki wrote:
> On Thu, Mar 31, 2016 at 2:12 PM, Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote:
> > Ingo reminded me that the schedutil governor is part of the scheduler
> > proper and can access scheduler data because of that.
> > This allows us to remove the util and max arguments since only the
> > schedutil governor will use those, which leads to some further text
> > reduction:
> > 43595 1226 24 44845 af2d defconfig-build/kernel/sched/fair.o.pre
> > 42907 1226 24 44157 ac7d defconfig-build/kernel/sched/fair.o.post
> > Of course, we get more text in schedutil in return, but the below also
> > shows how we can benefit from not being tied to those two parameters by
> > doing a very coarse deadline reservation.
> Do you want this to go into the series or be folded into the schedutil
> patch or on top of it?
We can do it on top; no need to rush this.