Architecture specific implementations for tickless kernel

Vikram Narayanan vikram186 at
Tue Apr 19 14:24:56 EDT 2011

Yes. My question is pointed towards uClinux. I am sorry. I forgot to mention
that in the first post

On Tue, Apr 19, 2011 at 11:47 PM, Chaitannya Mahatme
<chaitannya at>wrote:

>  On Tuesday 19 April 2011 10:53 PM, Vikram Narayanan wrote:
> Hi,
> I am developing a BSP for a ARM Cortex-M3 (no MMU) based board. In order to
> have tickless kernel and deferrable timers, what are the architecture
> specific implementations. Is the clocksource and clockevent data structures
> enough? How to hook those timers to the tickless implementation of the
> kernel/timer.c. Can some one point out any examples that already have this
> feature enabled and also in the kernel tree.
> And also, are clocksoure and clockevents dependent on each other? I see in
> some platforms, that they have used 2 different timers for the above. If it
> can be used so, which ties up the clocksource and clockevent?
> Thanks in advance
> neo
> _______________________________________________
> Kernelnewbies mailing listKernelnewbies at kernelnewbies.org
>  Since you have mentioned that there is no MMU, you cannot port Linux
> kernel onto it. You would be mostly be looking forward to uclinux or bare
> metal programming.
> Is your question specific to uclinux ?
> --
> Cheers !!!
> Chaitannya
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