From owner-svn-src-head@FreeBSD.ORG Tue Dec 29 21:41:39 2009 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 F389D1065694; Tue, 29 Dec 2009 21:41:38 +0000 (UTC) (envelope-from bms@incunabulum.net) Received: from out4.smtp.messagingengine.com (out4.smtp.messagingengine.com [66.111.4.28]) by mx1.freebsd.org (Postfix) with ESMTP id BF3B38FC0C; Tue, 29 Dec 2009 21:41:38 +0000 (UTC) Received: from compute2.internal (compute2.internal [10.202.2.42]) by gateway1.messagingengine.com (Postfix) with ESMTP id 1076AC9197; Tue, 29 Dec 2009 16:41:38 -0500 (EST) Received: from heartbeat2.messagingengine.com ([10.202.2.161]) by compute2.internal (MEProxy); Tue, 29 Dec 2009 16:41:38 -0500 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=messagingengine.com; h=message-id:date:from:mime-version:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding; s=smtpout; bh=BGi/qGbTtw1z5NN4ErZj81lDX3g=; b=fdfoOJumjKnjSGPbixiMdoOVmyplmLjyNAcTB1patMTNy/9ii/03eFIZjzIHq3i0zulfY4xcYvOf5QVzEx66RGi9LecQXQIK6N/HxyoegRaKF7E6fDrjv9TYcCGAnhgXpjqcwLoAIGyz5LHTod8JhepqZ6HU5cz+LL1rAMOkkIU= X-Sasl-enc: YkcGntdtBXSjozU6Qvi4Dth8da+7TvDdGTok7n45F426 1262122897 Received: from [192.168.123.18] (cpc2-dals7-0-0-cust253.hari.cable.virginmedia.com [82.35.112.254]) by mail.messagingengine.com (Postfix) with ESMTPSA id 6497539116; Tue, 29 Dec 2009 16:41:37 -0500 (EST) Message-ID: <4B3A778F.90508@incunabulum.net> Date: Tue, 29 Dec 2009 21:41:35 +0000 From: Bruce Simpson User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.2; en-GB; rv:1.9.1.5) Gecko/20091204 Thunderbird/3.0 MIME-Version: 1.0 To: Konstantin Belousov References: <200912291558.nBTFwAXE028924@svn.freebsd.org> In-Reply-To: <200912291558.nBTFwAXE028924@svn.freebsd.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r201204 - head/lib/libc/sys 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: Tue, 29 Dec 2009 21:41:39 -0000 On 29/12/2009 15:58, Konstantin Belousov wrote: > Author: kib > Date: Tue Dec 29 15:58:10 2009 > New Revision: 201204 > URL: http://svn.freebsd.org/changeset/base/201204 > > Log: > Document _FAST and _PRECISE clocks. > I saw a speed increase with CLOCK_MONOTONIC_FAST vs CLOCK_MONOTONIC during pmcstat and kcachegrind profiling of a process which makes a lot of calls to clock_gettime(). Thanks for doing this. best, BMS