From owner-freebsd-threads@FreeBSD.ORG Wed Jun 16 04:10:59 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 3D0CA16A4CE for ; Wed, 16 Jun 2004 04:10:59 +0000 (GMT) Received: from ojoink.com (center.ojoink.com [216.65.123.180]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1C40043D39 for ; Wed, 16 Jun 2004 04:10:59 +0000 (GMT) (envelope-from amd64list@jpgsworld.com) Received: (qmail 57643 invoked by uid 89); 16 Jun 2004 04:10:07 -0000 Received: from unknown (HELO MAINBX.jpgsworld.com) (amd64list@jpgsworld.com@24.10.96.33) by center.ojoink.com with SMTP; 16 Jun 2004 04:10:07 -0000 Message-Id: <5.2.0.9.2.20040615210919.01574ec8@mail.ojoink.com> X-Sender: amd64list@jpgsworld.com@mail.ojoink.com X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Tue, 15 Jun 2004 21:10:12 -0700 To: freebsd-threads@freebsd.org From: JG In-Reply-To: References: <5.2.0.9.2.20040614183523.015cdaa0@mail.ojoink.com> 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: Wed, 16 Jun 2004 04:10:59 -0000 > >As I suggested elsewhere: >----- quoted---- > >To check this you should try running systat -vmstat >while noticing the slowdown and try see what is at 100%. >if it turns out that you are NOT seeing disk or CPU limitted >then the next step would be to take a snapshot of operations using >ktrace -d -p (pid) for 20 second followe by krtace -C to turn it off >again. But actually that doesn't sound too rough.... I'll try it tomorrow evening and give a report. - Jeremy