linux-kernel - Re: [discussion]sched: a rough proposal to enable power saving in scheduler

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 for Android: free password hash cracker in your pocket

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

Message-ID: <1345041548.31459.90.camel@twins>
Date:	Wed, 15 Aug 2012 16:39:08 +0200
From:	Peter Zijlstra <a.p.zijlstra@...llo.nl>
To:	Arjan van de Ven <arjan@...ux.intel.com>
Cc:	Alex Shi <alex.shi@...el.com>,
	Suresh Siddha <suresh.b.siddha@...el.com>,
	vincent.guittot@...aro.org, svaidy@...ux.vnet.ibm.com,
	Ingo Molnar <mingo@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Paul Turner <pjt@...gle.com>
Subject: Re: [discussion]sched: a rough proposal to enable power saving in
 scheduler

On Wed, 2012-08-15 at 06:45 -0700, Arjan van de Ven wrote:
> On 8/15/2012 4:05 AM, Peter Zijlstra wrote:
> > Yay, ideally we'd also provide a 3rd option: auto, which simply switches
> > between the two based on AC/BAT, UPS 
> 
> nooooooo!
> 
> anything but this.
> if anyone thinks that AC/Battery matters for power sensitivity... they
> need to go talk to a datacenter operator ;-)

Servers in a datacenter have battery?

> seriously, there are possibly many ways to have a power/performance
> preference..,. but AC/battery is a very very poor one.
> 
Do expand..
--
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/