From owner-cvs-src@FreeBSD.ORG Mon Dec 12 05:09:38 2005 Return-Path: X-Original-To: cvs-src@FreeBSD.org Delivered-To: cvs-src@FreeBSD.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 19F9516A420; Mon, 12 Dec 2005 05:09:38 +0000 (GMT) (envelope-from cperciva@freebsd.org) Received: from pd3mo2so.prod.shaw.ca (shawidc-mo1.cg.shawcable.net [24.71.223.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id 813CB43D75; Mon, 12 Dec 2005 05:09:37 +0000 (GMT) (envelope-from cperciva@freebsd.org) Received: from pd5mr3so.prod.shaw.ca (pd5mr3so-qfe3.prod.shaw.ca [10.0.141.144]) by l-daemon (Sun ONE Messaging Server 6.0 HotFix 1.01 (built Mar 15 2004)) with ESMTP id <0IRD00DBACZPJCE0@l-daemon>; Sun, 11 Dec 2005 22:09:26 -0700 (MST) Received: from pn2ml8so.prod.shaw.ca ([10.0.121.152]) by pd5mr3so.prod.shaw.ca (Sun ONE Messaging Server 6.0 HotFix 1.01 (built Mar 15 2004)) with ESMTP id <0IRD007DWCZPUM80@pd5mr3so.prod.shaw.ca>; Sun, 11 Dec 2005 22:09:25 -0700 (MST) Received: from [192.168.0.60] ([24.87.209.6]) by l-daemon (Sun ONE Messaging Server 6.0 HotFix 1.01 (built Mar 15 2004)) with ESMTP id <0IRD004U1CZPZ0H0@l-daemon>; Sun, 11 Dec 2005 22:09:25 -0700 (MST) Date: Sun, 11 Dec 2005 21:09:24 -0800 From: Colin Percival In-reply-to: <200512120504.jBC54vx3096451@repoman.freebsd.org> To: David Xu Message-id: <439D0604.2080800@freebsd.org> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-1 Content-transfer-encoding: 7bit X-Accept-Language: en-us, en X-Enigmail-Version: 0.93.0.0 References: <200512120504.jBC54vx3096451@repoman.freebsd.org> User-Agent: Mozilla Thunderbird 1.0.7 (X11/20051001) Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern uipc_mqueue.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Dec 2005 05:09:38 -0000 David Xu wrote: > Modified files: > sys/kern uipc_mqueue.c > Log: > Stop fiddling thread priority with msleep, eliminating unnecessary > context switching. This improves performance about 30% on UP machine. A 30% improvement is great, but... on what benchmark? Colin Percival