Re: [PATCH 15/32] nohz/cpuset: Restart tick when switching to idle task

Peter Zijlstra
2011-08-30T15:36:33Z

On Tue, 2011-08-30 at 17:04 +0200, Frederic Weisbecker wrote:
> > ... so basically you say:
> >
> > Restart the tick when we switch to idle.
> >
> > Now all that needs is an explanation of why..
>
> In the end we don't want to restart the tick when we switch to idle.
> But to support that I'll need to tweak various things on idle time
> accounting, otherwise the [cpu] time spent in idle is going to be
> accounted as system time.

Ok, so then the changelog should say so, preferably with a little bit
more detail on how exactly the idle time accounting would go tits-up.