From owner-freebsd-threads@FreeBSD.ORG Thu Jun 17 14:45:50 2004 Return-Path: Delivered-To: freebsd-threads@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 4EC2116A4CE for ; Thu, 17 Jun 2004 14:45:50 +0000 (GMT) Received: from ojoink.com (center.ojoink.com [216.65.123.180]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1D38543D48 for ; Thu, 17 Jun 2004 14:45:50 +0000 (GMT) (envelope-from amd64list@jpgsworld.com) Received: (qmail 27760 invoked by uid 89); 17 Jun 2004 14:45:26 -0000 Received: from unknown (HELO MAINBX.jpgsworld.com) (amd64list@jpgsworld.com@24.10.96.33) by center.ojoink.com with SMTP; 17 Jun 2004 14:45:26 -0000 Message-Id: <5.2.0.9.2.20040617071734.03251a28@mail.ojoink.com> X-Sender: amd64list@jpgsworld.com@mail.ojoink.com X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Thu, 17 Jun 2004 07:45:20 -0700 To: freebsd-threads@freebsd.org From: JG In-Reply-To: <40D13BB6.3020709@alumni.rice.edu> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Subject: Re: Possible Threading problem with -CURRENT / MySQL? X-BeenThere: freebsd-threads@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Threading on FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jun 2004 14:45:50 -0000 On FreeBSD-AMD64.... I've just confirmed that a kernel compiled with ULE will cause performance locks during the super-smack mysql benchmarks. ("locks" being - resulting in highly erratic q/ps results for the same test... from 50qps to 3000qps and anywhere in between)