From owner-svn-src-head@FreeBSD.ORG Mon Jul 12 12:21:40 2010 Return-Path: Delivered-To: svn-src-head@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 769601065670; Mon, 12 Jul 2010 12:21:40 +0000 (UTC) (envelope-from jhb@freebsd.org) Received: from cyrus.watson.org (cyrus.watson.org [65.122.17.42]) by mx1.freebsd.org (Postfix) with ESMTP id 48E2F8FC1C; Mon, 12 Jul 2010 12:21:40 +0000 (UTC) Received: from bigwig.baldwin.cx (66.111.2.69.static.nyinternet.net [66.111.2.69]) by cyrus.watson.org (Postfix) with ESMTPSA id CA29946B8A; Mon, 12 Jul 2010 08:21:39 -0400 (EDT) Received: from jhbbsd.localnet (smtp.hudson-trading.com [209.249.190.9]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id CCC2C8A03C; Mon, 12 Jul 2010 08:21:38 -0400 (EDT) From: John Baldwin To: Alexander Motin Date: Mon, 12 Jul 2010 08:13:19 -0400 User-Agent: KMail/1.13.5 (FreeBSD/7.3-CBSD-20100217; KDE/4.4.5; amd64; ; ) References: <201007111647.o6BGlk0O033551@svn.freebsd.org> In-Reply-To: <201007111647.o6BGlk0O033551@svn.freebsd.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201007120813.19223.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Mon, 12 Jul 2010 08:21:38 -0400 (EDT) X-Virus-Scanned: clamav-milter 0.95.1 at bigwig.baldwin.cx X-Virus-Status: Clean X-Spam-Status: No, score=-2.6 required=4.2 tests=AWL,BAYES_00 autolearn=ham version=3.2.5 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on bigwig.baldwin.cx Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r209900 - head/sys/kern X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Jul 2010 12:21:40 -0000 On Sunday, July 11, 2010 12:47:46 pm Alexander Motin wrote: > Author: mav > Date: Sun Jul 11 16:47:45 2010 > New Revision: 209900 > URL: http://svn.freebsd.org/changeset/base/209900 > > Log: > Remove interval validation from cpu_tick_calibrate(). As I found, check > was needed at preliminary version of the patch, where number of CPU ticks > was divided strictly on 16 seconds. Final code instead uses real interval > duration, so precise interval should not be important. Same time aliasing > issues around second boundary causes false positives, periodically logging > useless "t_delta ... too long/short" messages when HZ set below 256. Hmm, did you ask phk@ about this? I notice that the printfs only trigger if you have bootverbose enabled, so they were not affecting normal users as most people do not run their systems with bootverbose enabled. -- John Baldwin