Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750975AbWHTRK6 (ORCPT ); Sun, 20 Aug 2006 13:10:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750989AbWHTRK6 (ORCPT ); Sun, 20 Aug 2006 13:10:58 -0400 Received: from scrub.xs4all.nl ([194.109.195.176]:25323 "EHLO scrub.xs4all.nl") by vger.kernel.org with ESMTP id S1750974AbWHTRK6 (ORCPT ); Sun, 20 Aug 2006 13:10:58 -0400 Date: Sun, 20 Aug 2006 19:10:39 +0200 (CEST) From: Roman Zippel X-X-Sender: roman@scrub.home To: john stultz cc: Ulrich Windl , linux-kernel@vger.kernel.org, Udo van den Heuvel Subject: Re: Linux time code In-Reply-To: <1155851917.31755.125.camel@cog.beaverton.ibm.com> Message-ID: References: <44E32B23.16949.BBB1EC4@Ulrich.Windl.rkdvmks1.ngate.uni-regensburg.de> <1155758034.5513.69.camel@localhost.localdomain> <1155851917.31755.125.camel@cog.beaverton.ibm.com> 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: 881 Lines: 22 Hi, On Thu, 17 Aug 2006, john stultz wrote: > > What is missing is the abiltity to map a clock to a posix clock, so that > > you would have CLOCK_REALTIME/CLOCK_MONOTONIC as NTP controlled clocks and > > other CLOCK_* as the raw clock. > > Is there a use case for this (wanting non-NTP corrected time on a system > running NTPd) you have in mind? Most are probably special cases, but a more general use would be to allow tracking the stability of multiple clocks, so you can check which is most suited for a time server. So far you can only do it for one clock at a time and you have to turn off NTP for calibration. bye, Roman - 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/