Re: [RFC PATCH 00/32] Nohz cpusets (was: Nohz Tasks)

Avi Kivity
2011-08-17T16:37:54Z

On 08/15/2011 08:51 AM, Frederic Weisbecker wrote:
> = What's the interface =
>
> We use the cpuset interface by adding a nohz flag to it.
> As long as a CPU is part of a nohz cpuset, then this CPU will
> try to enter into adaptive nohz mode when it can, even if it is part
> of another cpuset that is not nohz.
>
>

Why not do it unconditionally? That is, if all the conditions are
fulfilled, disable the tick regardless of any cpuset settings.

--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.