From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759522AbbIDPRu (ORCPT ); Fri, 4 Sep 2015 11:17:50 -0400 Received: from mail-wi0-f173.google.com ([209.85.212.173]:36008 "EHLO mail-wi0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752904AbbIDPRs (ORCPT ); Fri, 4 Sep 2015 11:17:48 -0400 Date: Fri, 4 Sep 2015 17:17:43 +0200 From: Richard Cochran To: Peter Zijlstra Cc: Thomas Gleixner , "Hall, Christopher S" , "Kirsher, Jeffrey T" , "hpa@zytor.com" , "mingo@redhat.com" , "john.stultz@linaro.org" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "netdev@vger.kernel.org" , "intel-wired-lan@lists.osuosl.org" Subject: Re: [PATCH v3 1/4] Add correlated clocksource deriving system time from an auxiliary clocksource Message-ID: <20150904151743.GB16862@localhost.localdomain> References: <1440183128-1384-1-git-send-email-christopher.s.hall@intel.com> <1440183128-1384-2-git-send-email-christopher.s.hall@intel.com> <20150904151021.GF18489@twins.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20150904151021.GF18489@twins.programming.kicks-ass.net> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Sep 04, 2015 at 05:10:21PM +0200, Peter Zijlstra wrote: > I think what they're getting at is asking if there's a rate limit to > time adjustments, without that, saving the last n transition points will > still not cover any given length of history. As if the ntp code isn't complex enough already - now we're adding sample histories and adjustment rating limiting? And all for some unknown DSP in a mythical sound card?? Thanks, Richard