From owner-svn-src-head@FreeBSD.ORG Mon Jul 12 15:08:28 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 B74671065672; Mon, 12 Jul 2010 15:08:28 +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 883A48FC0A; Mon, 12 Jul 2010 15:08:28 +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 264F746B89; Mon, 12 Jul 2010 11:08:28 -0400 (EDT) Received: from jhbbsd.localnet (smtp.hudson-trading.com [209.249.190.9]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 53DB88A03C; Mon, 12 Jul 2010 11:08:27 -0400 (EDT) From: John Baldwin To: Alexander Motin Date: Mon, 12 Jul 2010 10:03:09 -0400 User-Agent: KMail/1.13.5 (FreeBSD/7.3-CBSD-20100217; KDE/4.4.5; amd64; ; ) References: <201007111647.o6BGlk0O033551@svn.freebsd.org> <201007120813.19223.jhb@freebsd.org> <4C3B0F63.6000905@FreeBSD.org> In-Reply-To: <4C3B0F63.6000905@FreeBSD.org> MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201007121003.09749.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.0.1 (bigwig.baldwin.cx); Mon, 12 Jul 2010 11:08:27 -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 15:08:28 -0000 On Monday, July 12, 2010 8:49:39 am Alexander Motin wrote: > John Baldwin wrote: > > 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? > > Yes. He agreed that code should be reconsidered. Ah, ok. I didn't recall any replies on the list. -- John Baldwin