Enabling tickless kernel feature in ARM
vikram186 at gmail.com
Thu Apr 28 09:18:50 EDT 2011
On Wed, Apr 27, 2011 at 9:07 PM, Mulyadi Santosa
<mulyadi.santosa at gmail.com> wrote:
> Hi Vikram...
> On Wed, Apr 27, 2011 at 20:49, Vikram Narayanan <vikram186 at gmail.com> wrote:
>> Four 16-bit general purpose timers(which can also be used as 32 bit
>> counters), and an RTC (24-bit)
>> The max clock freq is 48 Mhz, which may be downscaled to any value
>> which will be fed as an input to these timers.
>> I guess hrtimers is impossible in these frequencies. What's your
>> opinion on this?
> hard to say, but I guess that "16 bit timer" is something that can be
> explored first.
Yes. I am planning to go with it.
> what you need to pay attention is actually the duration the timer
> needs to be reprogrammed. The longer it takes, the worse it is...thus
> you need to avoid it.
I am planning to have a tick of 10ms. i.e the HZ value as 100. Will
that be good enough?
> Mulyadi Santosa
> Freelance Linux trainer and consultant
> blog: the-hydra.blogspot.com
> training: mulyaditraining.blogspot.com
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