From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751112AbVH3DqQ (ORCPT ); Mon, 29 Aug 2005 23:46:16 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750862AbVH3DqQ (ORCPT ); Mon, 29 Aug 2005 23:46:16 -0400 Received: from mail05.syd.optusnet.com.au ([211.29.132.186]:48789 "EHLO mail05.syd.optusnet.com.au") by vger.kernel.org with ESMTP id S1750822AbVH3DqQ (ORCPT ); Mon, 29 Aug 2005 23:46:16 -0400 From: Con Kolivas To: "Theodore Ts'o" Subject: Re: Dynamic tick for 2.6.14 - what's the plan? Date: Tue, 30 Aug 2005 13:48:59 +1000 User-Agent: KMail/1.8.2 Cc: Christopher Friesen , Lee Revell , linux-kernel , Srivatsa Vaddagiri , Thomas Renninger References: <1125354385.4598.79.camel@mindpipe> <200508301005.07353.kernel@kolivas.org> <20050830025459.GA16467@thunk.org> In-Reply-To: <20050830025459.GA16467@thunk.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200508301348.59357.kernel@kolivas.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 30 Aug 2005 12:54 pm, Theodore Ts'o wrote: > 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? Same issue, it's waiting on dynticks before being reworked. Cheers, Con