Re: [PATCH RFC 4/8] sched/cpufreq_schedutil: split utilization signals

[Peter Zijlstra]

On Tue, May 23, 2017 at 09:53:47AM +0100, Juri Lelli wrote:
> To be able to treat utilization signals of different scheduling classes
> in different ways (e.g., CFS signal might be stale while DEADLINE signal
> is never stale by design) we need to split sugov_cpu::util signal in two:
> util_cfs and util_dl.
> 
> This patch does that by also changing sugov_get_util() parameter list.
> After this change aggregation of the different signals has to be performed
> by sugov_get_util() users (so that they can decide what to do with the
> different signals).

So what I don't see this patch doing; and I don't remember if cpufreq is
ready for this at all, is set the util_dl as min/guaranteed freq and
util_cfs+util_dl as requested freq.