Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 10 Jul 2002 17:33:11 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 10 Jul 2002 17:33:10 -0400 Received: from to-velocet.redhat.com ([216.138.202.10]:22261 "EHLO touchme.toronto.redhat.com") by vger.kernel.org with ESMTP id ; Wed, 10 Jul 2002 17:33:09 -0400 Date: Wed, 10 Jul 2002 17:35:55 -0400 From: Benjamin LaHaise To: Andrew Morton Cc: "Grover, Andrew" , Linux Subject: Re: HZ, preferably as small as possible Message-ID: <20020710173555.D2005@redhat.com> References: <59885C5E3098D511AD690002A5072D3C02AB7F88@orsmsx111.jf.intel.com> <3D2CA6E3.CB5BC420@zip.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <3D2CA6E3.CB5BC420@zip.com.au>; from akpm@zip.com.au on Wed, Jul 10, 2002 at 02:28:03PM -0700 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 646 Lines: 17 On Wed, Jul 10, 2002 at 02:28:03PM -0700, Andrew Morton wrote: > > 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. The most obvious one is the reduced latency of select/poll timeouts. -ben -- "You will be reincarnated as a toad; and you will be much happier." - 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/