# Re: \[PATCH, v10 3/3\] cgroups: introduce timer slack controller

- From: Peter Zijlstra \<hidden\>
- Date: 2011-10-17 16:34:25 
- List: linux-api
- Page: https://ratatoskr.run/linux-api/2011/10/3776120
- Thread: https://ratatoskr.run/linux-api/2011/10/3773687/t.md

```text
On Mon, 2011-10-17 at 16:48 +0100, Alan Cox wrote:
> > Hard enforcement is very much better than papering over because it makes
> > the individual developer instantly aware that he's got a problem.
> 
> Not always
> 
> If you do weird container crap with timers than app authors will simply
> point out that the weird container crap is buggy as it works properly in
> a normal environment.

Oh agreed. I never said the hard enforcement would/should rely on
container crap. I'm very much in favour of a machine that's fully
functional with a CGROUP=n kernel, thank you very much.

Sadly a number of (userspace) wankers (some included on this thread)
seem hell bent on making that impossible.
```