On Thu, Jun 27, 2019 at 06:15:58PM +0100, Douglas RAILLARD wrote: > Make schedutil cpufreq governor energy-aware. > > - patch 1 introduces a function to retrieve a frequency given a base > frequency and an energy cost margin. > - patch 2 links Energy Model perf_domain to sugov_policy. > - patch 3 updates get_next_freq() to make use of the Energy Model.
> > 1) Selecting the highest possible frequency for a given cost. Some > platforms can have lower frequencies that are less efficient than > higher ones, in which case they should be skipped for most purposes. > They can still be useful to give more freedom to thermal throttling > mechanisms, but not under normal circumstances. > note: the EM framework will warn about such OPPs "hertz/watts ratio > non-monotonically decreasing" Humm, for some reason I was thinking we explicitly skipped those OPPs and they already weren't used. This isn't in fact so, and these first few patches make it so?
