linux-kernel - Re: suspend blockers & Android integration

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Sat, 5 Jun 2010 16:34:11 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Arve Hjønnevåg <arve@...roid.com>
Cc:	Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>,
	tytso@....edu, Brian Swetland <swetland@...gle.com>,
	Neil Brown <neilb@...e.de>,
	Thomas Gleixner <tglx@...utronix.de>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Alan Stern <stern@...land.harvard.edu>,
	Felipe Balbi <felipe.balbi@...ia.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Florian Mickler <florian@...kler.org>,
	Linux OMAP Mailing List <linux-omap@...r.kernel.org>,
	Linux PM <linux-pm@...ts.linux-foundation.org>,
	Alan Cox <alan@...rguk.ukuu.org.uk>,
	James Bottomley <James.Bottomley@...e.de>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Kevin Hilman <khilman@...prootsystems.com>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: suspend blockers & Android integration

On Sat, 5 Jun 2010 15:39:44 -0700
Arve Hjønnevåg <arve@...roid.com> wrote:

> >
> > For example if the Adobe Flash player puts a timer every 10
> > milliseconds (yes it does that), and you give it a 3.99 seconds
> > range, it will fire its timers every 4 seconds.... unless other
> > activity happens independently, at which point it'll align with
> > that instead.
> >
> 
> If you do that what you are delivering is nowhere close to what the
> app asked for. 

yeah it feels a little bit suspended 

> You don't need range timers for this, you could just as
> well add 4 seconds to all normal timers.

.. with the difference that with range timers, you naturally align with
other activity, so if there's system level activity, the AVERAGE service
the app gets is better by a LOT than just adding 4 seconds always.

but you knew that.... just doesn't help your case.



-- 
Arjan van de Ven 	Intel Open Source Technology Centre
For development, discussion and tips for power savings, 
visit http://www.lesswatts.org
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/