On 07-11-16, 19:27, Stratos Karafotis wrote: > Yes, it could be done only when we decrease frequency. But I thought that > maybe > this is against conservative governor principle. > > I initially observed this issue on a Snapdragon 808 using conservative on the > big cluster (A57). The CPU seemed to remain in high frequencies for > long time (even 10 seconds) before it returns to min. > > So, most probably the load after the deferred period is completely unrelated > to > the previous one. If we apply this heuristic only when the frequency will be > decreased (and having in mind that we copy the load value from the previous > period), IMHO I'm afraid that the conservative will be still more aggressive > even > from ondemand governor.
The deferred period here is actually the time for which the CPU was idle and not doing anything. And I am not sure why we should be worrying about increasing the frequency steps for the period for which the CPU was idle. -- viresh
