On 12/06/2018 19:35, Peter Zijlstra wrote: [ ... ]
>>>> Yes, drifting is not an issue if that happens. This scheme is simpler >>>> and safer than setting the timer ahead before waking up the tasks with >>>> the risk it expires before all the tasks ended their idle cycles. >>> >>> sloppy though.. >> >> Ok, do you prefer to see the timer set in the wakeup function and thus >> having a periodic tick for the idle injection ? > > I think having a HRTIMER_RESTART handler that does hrtimer_forward() is > the most sensible. You will end up having to deal with threads not being > ready, but I think that's not a real problem. Thanks for the restartable timer suggestion. I'm finishing polishing the code and definitively the result is much more nicer. -- <http://www.linaro.org/> Linaro.org │ Open source software for ARM SoCs Follow Linaro: <http://www.facebook.com/pages/Linaro> Facebook | <http://twitter.com/#!/linaroorg> Twitter | <http://www.linaro.org/linaro-blog/> Blog

