Re: [PATCH 0/8] Suspend block api (version 8)

Alan Cox
2010-06-02T11:58:11Z

On Wed, 02 Jun 2010 11:10:51 +0200
Peter Zijlstra <peterz@infradead.org> wrote:

> On Wed, 2010-06-02 at 10:29 +0200, Thomas Gleixner wrote:
>
>
> > If I understood you correctly then you can shutdown the CPU in idle
> > completelty already, but that's not enough due to:
> >
> > 1) crappy applications keeping the cpu away from idle
> > 2) timers firing
> >
> > Would solving those two issues be sufficient for you or am I missing
> > something ?
>
> Aren't the container snapshot/resume people fighting the same set of
> problems here?

And virtualisation - its a big one for virtualisation because if you've
got 1000 misbehaving guests generating 100 wakeups a second you've got a
problem ....

Alan