From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932097AbVH3CzE (ORCPT ); Mon, 29 Aug 2005 22:55:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932098AbVH3CzE (ORCPT ); Mon, 29 Aug 2005 22:55:04 -0400 Received: from thunk.org ([69.25.196.29]:27276 "EHLO thunker.thunk.org") by vger.kernel.org with ESMTP id S932097AbVH3CzC (ORCPT ); Mon, 29 Aug 2005 22:55:02 -0400 Date: Mon, 29 Aug 2005 22:54:59 -0400 From: "Theodore Ts'o" To: Con Kolivas Cc: Christopher Friesen , Lee Revell , linux-kernel , Srivatsa Vaddagiri , Thomas Renninger Subject: Re: Dynamic tick for 2.6.14 - what's the plan? Message-ID: <20050830025459.GA16467@thunk.org> Mail-Followup-To: Theodore Ts'o , Con Kolivas , Christopher Friesen , Lee Revell , linux-kernel , Srivatsa Vaddagiri , Thomas Renninger References: <1125354385.4598.79.camel@mindpipe> <43138F3B.7010704@nortel.com> <200508301005.07353.kernel@kolivas.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200508301005.07353.kernel@kolivas.org> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Aug 30, 2005 at 10:05:06AM +1000, Con Kolivas wrote: > On Tue, 30 Aug 2005 08:42, Christopher Friesen wrote: > > Lee Revell wrote: > > > The controversy over the introduction of CONFIG_HZ demonstrated the > > > urgency of getting a dynamic tick solution merged before 2.6.14. > > > > > > Anyone care to give a status report? Con, do you feel that the last > > > version you posted is ready to go in? > > > > Last time I got interested in this, the management of the event queues > > was still a fairly major performance hit. > > > > Has this overhead been brought down to reasonable levels? > > Srivatsa is still working on the smp-aware scalable version, so it's back in > the development phase. Has there been an updated version of Thomas's C-state bus-mastering measurement patch? - Ted