On 12-Apr 14:48, Peter Zijlstra wrote: > On Tue, Apr 11, 2017 at 06:58:33PM +0100, Patrick Bellasi wrote: > > > illustrated per your above points in that it affects both, while in > > > fact it actually modifies another metric, namely util_avg. > > > > I don't see it modifying in any direct way util_avg. > > The point is that clamps called 'capacity' are applied to util. So while > you don't modify util directly, you do modify the util signal (for one > consumer).
Right, but this consumer (i.e. schedutil) it's already translating the util_avg into a next_freq (which ultimately it's a capacity). Thus, I don't see a big misfit in that code path to "filter" this translation with a capacity clamp. -- #include <best/regards.h> Patrick Bellasi

