Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 10 Jul 2002 17:58:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 10 Jul 2002 17:58:28 -0400 Received: from pD952AE71.dip.t-dialin.net ([217.82.174.113]:6275 "EHLO hawkeye.luckynet.adm") by vger.kernel.org with ESMTP id ; Wed, 10 Jul 2002 17:58:28 -0400 Date: Wed, 10 Jul 2002 16:01:08 -0600 (MDT) From: Thunder from the hill X-X-Sender: thunder@hawkeye.luckynet.adm To: Andrew Morton cc: "Grover, Andrew" , Linux Subject: Re: HZ, preferably as small as possible In-Reply-To: <3D2CA6E3.CB5BC420@zip.com.au> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1118 Lines: 34 Hi, On Wed, 10 Jul 2002, Andrew Morton wrote: > That makes a ton of sense. > > > But on the other hand, increasing HZ has perf/latency benefits, yes? Have > > these been quantified? > > Not that I'm aware of. And I'd regard any such claims with some > scepticism. > > > I'd either like to see a HZ that has balanced > > power/performance, or could we perhaps detect we are on a system that cares > > about power (aka a laptop) and tweak its value at runtime? Want a config option? Either int or bool (CONFIG_LOW_HZ). It's not too much effort. Regards, Thunder -- (Use http://www.ebb.org/ungeek if you can't decode) ------BEGIN GEEK CODE BLOCK------ Version: 3.12 GCS/E/G/S/AT d- s++:-- a? C++$ ULAVHI++++$ P++$ L++++(+++++)$ E W-$ N--- o? K? w-- O- M V$ PS+ PE- Y- PGP+ t+ 5+ X+ R- !tv b++ DI? !D G e++++ h* r--- y- ------END GEEK CODE BLOCK------ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/