Enabling tickless kernel feature in ARM

[Vikram Narayanan]

On Thu, Apr 28, 2011 at 8:38 PM, Mulyadi Santosa
<mulyadi.santosa at gmail.com> wrote:
> On 28/04/2011, Vikram Narayanan <vikram186 at gmail.com> wrote:
>> I am planning to have a tick of 10ms. i.e the HZ value as 100. Will
>> that be good enough?
>
> Sorry, you misunderstood me. What I meant was "how long it takes to
> reprogram the timer, so it ready to deliver another interupt". This is
> based on my rough info that some timers are quick to be reprogrammed,
> some are slow...the rest are damn slow. And since we deal with
> uncertainty (timers could be needed at any point), the fastest one is
> the best bet.
>
> Hopefully I explain it clearly now...
Yeah. Actually I didn't measure the timer reprogramming latency yet.
But I think it will be quite good. My assumption may go wrong.
Are there any other considerations to take care while implementing the
clocksource/clockevents?

Thanks,
Vikram
>
> --
> regards,
>
> Mulyadi Santosa
> Freelance Linux trainer and consultant
>
> blog: the-hydra.blogspot.com
> training: mulyaditraining.blogspot.com
>