I agree that we will have false alarms but this will not be a total waste of power since the load will be more than 50 (the default grad_up_threshold value).
So, I don't think there will be *significant* increase in power. Though, I don't know a way to prove this with numbers. Thanks, Stratos Viresh Kumar <viresh.ku...@linaro.org> wrote: >On 4 April 2013 12:17, stratosk <strat...@semaphore.gr> wrote: >> Why do you suspect significant increased power? With ondemand the CPU will >> go down to lowest freq as soon as the load will decreased. And the >> measurement shows that the CPU load will decrease faster (because of faster >> calculation). > >I suspect it because we are increasing freq based on the assumption: >"If increase in load from last calculation is more then threshold, then >we must use high freq".. > >So, this rise can be false alarm multiple times and we might not see >a load increase after moving to high freq and so we are running at >high/max freq without any need of it. And so more power.
