From owner-freebsd-arch@FreeBSD.ORG Fri Oct 1 18:31:56 2004 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 16D6E16A4CE for ; Fri, 1 Oct 2004 18:31:56 +0000 (GMT) Received: from duchess.speedfactory.net (duchess.speedfactory.net [66.23.201.84]) by mx1.FreeBSD.org (Postfix) with SMTP id A178343D46 for ; Fri, 1 Oct 2004 18:31:55 +0000 (GMT) (envelope-from ups@tree.com) Received: (qmail 23978 invoked by uid 89); 1 Oct 2004 18:31:54 -0000 Received: from duchess.speedfactory.net (66.23.201.84) by duchess.speedfactory.net with SMTP; 1 Oct 2004 18:31:54 -0000 Received: (qmail 23958 invoked by uid 89); 1 Oct 2004 18:31:54 -0000 Received: from unknown (HELO palm.tree.com) (66.23.216.49) by duchess.speedfactory.net with SMTP; 1 Oct 2004 18:31:54 -0000 Received: from [127.0.0.1] (localhost.tree.com [127.0.0.1]) by palm.tree.com (8.12.10/8.12.10) with ESMTP id i91IVrmt028646; Fri, 1 Oct 2004 14:31:53 -0400 (EDT) (envelope-from ups@tree.com) From: Stephan Uphoff To: Brian Fundakowski Feldman In-Reply-To: <20041001165151.GJ997@green.homeunix.org> References: <1095468747.31297.241.camel@palm.tree.com> <1096477932.3733.1471.camel@palm.tree.com> <1096489576.3733.1868.camel@palm.tree.com> <200409291652.29990.jhb@FreeBSD.org> <1096496057.3733.2163.camel@palm.tree.com> <1096603981.21577.195.camel@palm.tree.com> <1096608201.21577.203.camel@palm.tree.com> <20041001141040.GA1556@peter.osted.lan> <1096647194.27811.12.camel@palm.tree.com> <20041001165151.GJ997@green.homeunix.org> Content-Type: text/plain Message-Id: <1096655513.27811.66.camel@palm.tree.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Fri, 01 Oct 2004 14:31:53 -0400 Content-Transfer-Encoding: 7bit cc: Peter Holm cc: Julian Elischer cc: John Baldwin cc: "freebsd-arch@freebsd.org" Subject: Re: scheduler (sched_4bsd) questions X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 01 Oct 2004 18:31:56 -0000 On Fri, 2004-10-01 at 12:51, Brian Fundakowski Feldman wrote: > On Fri, Oct 01, 2004 at 12:13:14PM -0400, Stephan Uphoff wrote: > > On Fri, 2004-10-01 at 10:10, Peter Holm wrote: > > > On Fri, Oct 01, 2004 at 01:23:21AM -0400, Stephan Uphoff wrote: > > > > On Fri, 2004-10-01 at 00:13, Stephan Uphoff wrote: > > > > > > > > > I also had overlooked > > > > > http://www.holm.cc/stress/log/cons80.html > > > > > Showing that my patch for kern_switch.c (switch_patch) has a bug. > > > > > I will send an updated patch later today. > > > > > > > > OK - here is the promised patch. > > > > > > > > > > For once I'm the bearer of good news. The switch_patch_v2 + the > > > sched_4bsd patch ran the tests for more than one hour without > > > any freeze. The sched_4bsd alone did not stop the freezes. I'm > > > now testing the switch_patch_v2 alone and it's looking good for > > > 55+ minutes of testing. > > > > Great ! > > I guess I should roll a cleaned up cumulative patch soon. > > I suppose it might be a bit too hopeful, but is there any chance you're > taking a look at SCHED_ULE problems, too? I have to get some work done on my own project before I run out of funding :-( This means I need to avoid looking at SCHED_ULE for at least the next week. Stephan