Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [PATCH RFC 4/8] sched/cpufreq_schedutil: split utilization signals | Date | Wed, 24 May 2017 01:30:36 +0200 |
| |
On Tuesday, May 23, 2017 09:29:27 PM Peter Zijlstra wrote: > 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.
I'm totally unsure what you mean here.
cpufreq doesn't have a "guaranteed frequency" concept of any sort right now.
| |