* Arjan van de Ven <[email protected]> wrote:
> > > > Firstly, we dont need the 'offset' anymore because cpu_clock()
> > > > maintains offsets itself.
> > >
> > > Yes, but a lower quality one. __update_rq_clock tries to
> > > compensate large jumping clocks with a jiffy resolution, while my
> > > offset arranges for a very smooth frequency transition.
> >
> > yes, but that would be easy to fix up via calling
> > sched_clock_idle_wakeup_event(0) when doing a frequency transition,
> > without burdening the normal sched_clock() codepath with the offset.
> > See the attached latest version.
>
> can this deal with dual/quad core where the frequency of one core
> changes if the sofware changes the frequency of the other core?
doesnt the notifier still get run on the target CPU?
Ingo
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