Enabling tickless kernel feature in ARM

Haojian Zhuang haojian.zhuang at gmail.com
Tue Apr 26 12:34:03 EDT 2011

On Tue, Apr 26, 2011 at 9:55 PM, Vikram Narayanan <vikram186 at gmail.com> wrote:
> Hi,
> I want to enable the dynamic tick aka tickless kernel feature for the
> BSP which I am developing. What are all the architecture dependent
> changes that needs to be done for implementing it.
> There was one struct by the name dyn_tick_timer, which is located
> under linux/include/asm-arm/mach/time.h file. (which is removed from v
> 2.6.27)
> Now my question is that, are all the dyn_tick_timer functionalities
> are moved to a generic interface somewhere?
CONFIG_NO_HZ is used instead.

> Are the clock source and clockevent device timers enough to take care
> of the tickless feature?
There's no relationship between NOHZ and clocksource/clockevent.
> -
> Vikram
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