Re: [PATCH, v10 3/3] cgroups: introduce timer slack controller
[Posted October 18, 2011 by corbet]
| From: |
| Matthew Garrett <mjg-H+wXaHxf7aLQT0dZR+AlfA-AT-public.gmane.org> |
| To: |
| Peter Zijlstra <peterz-wEGCiKHe2LqWVfeAwA7xHQ-AT-public.gmane.org> |
| Subject: |
| Re: [PATCH, v10 3/3] cgroups: introduce timer slack controller |
| Date: |
| Mon, 17 Oct 2011 17:49:29 +0100 |
| Message-ID: |
| <20111017164929.GA18620@srcf.ucam.org> |
| Cc: |
| Thomas Gleixner <tglx-hfZtesqFncYOwBW4kG4KsQ-AT-public.gmane.org>,
Arjan van de Ven <arjan-VuQAYsv1563Yd54FQh9/CA-AT-public.gmane.org>,
Lennart Poettering <mzxreary-uLTowLwuiw4b1SvskN2V4Q-AT-public.gmane.org>,
Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b-AT-public.gmane.org>,
"Kirill A. Shutemov" <kirill-oKw7cIdHH8eLwutG50LtGA-AT-public.gmane.org>,
Paul Menage <menage-hpIqsD4AKlfQT0dZR+AlfA-AT-public.gmane.org>,
Li Zefan <lizf-BthXqXjhjHXQFUHtdCDX3A-AT-public.gmane.org>,
containers-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA-AT-public.gmane.org,
jacob.jun.pan-VuQAYsv1563Yd54FQh9/CA-AT-public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA-AT-public.gmane.org,
Matt Helsley <matthltc-r/Jw6+rmf7HQT0dZR+AlfA-AT-public.gmane.org>, linux-api-u79uwXL29TY76Z2rM5mHXA-AT-public.gmane.org,
Kay Sievers <kay.sievers-tD+1rO4QERM-AT-public.gmane.org>, harald-H+wXaHxf7aLQT0dZR+AlfA-AT-public.gmane.org,
david-o55+BOBDEFg-AT-public.gmane.org, greg-U8xfFu+wG4EAvxtiuMwx3w-AT-public.gmane.org |
| Archive-link: |
| Article, Thread
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On Mon, Oct 17, 2011 at 06:36:44PM +0200, Peter Zijlstra wrote:
> On Mon, 2011-10-17 at 16:31 +0100, Matthew Garrett wrote:
> > On Mon, Oct 17, 2011 at 05:21:10PM +0200, Peter Zijlstra wrote:
> >
> > > Well what other cases are there? Can we enumerate them and come up
> > > with similar solutions?
> >
> > Javascript has timers. We execute rather a lot of javascript from
> > sources we can't influence at all.
>
> Which brings me to yet another gripe I've got with firefox, _WHY_ does
> it run javascript for tabs I can't see? Simply freeze the interpreter.
Because people expect gmail to provide them with status updates even if
it's not the foreground tab.
> Then again, what does JavaScript do with these timers? I don't really
> see how javascript/random-native-binary are really different, something
> needs doing. What something?
I agree that the thing that needs doing probably involves web developers
and threats of implied violence, but I suspect that web developers are
being created faster than we can reeducate them.
--
Matthew Garrett | mjg59-1xO5oi07KQx4cg9Nei1l7Q@public.gmane.org
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