From owner-freebsd-current@FreeBSD.ORG Thu Jul 19 10:00:21 2007 Return-Path: X-Original-To: current@freebsd.org Delivered-To: freebsd-current@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id D698D16A401 for ; Thu, 19 Jul 2007 10:00:21 +0000 (UTC) (envelope-from marck@rinet.ru) Received: from woozle.rinet.ru (woozle.rinet.ru [195.54.192.68]) by mx1.freebsd.org (Postfix) with ESMTP id 5E68C13C481 for ; Thu, 19 Jul 2007 10:00:21 +0000 (UTC) (envelope-from marck@rinet.ru) Received: from localhost (localhost [127.0.0.1]) by woozle.rinet.ru (8.14.1/8.14.1) with ESMTP id l6JA0Brp007938; Thu, 19 Jul 2007 14:00:11 +0400 (MSD) (envelope-from marck@rinet.ru) Date: Thu, 19 Jul 2007 14:00:11 +0400 (MSD) From: Dmitry Morozovsky To: Jeff Roberson In-Reply-To: <20070719015335.Q561@10.0.0.1> Message-ID: <20070719135750.S67760@woozle.rinet.ru> References: <20070716233030.D92541@10.0.0.1> <20070718011332.A14574@woozle.rinet.ru> <20070718154306.R561@10.0.0.1> <20070719121201.P67760@woozle.rinet.ru> <20070719015335.Q561@10.0.0.1> X-NCC-RegID: ru.rinet X-OpenPGP-Key-ID: 6B691B03 MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-3.0 (woozle.rinet.ru [0.0.0.0]); Thu, 19 Jul 2007 14:00:11 +0400 (MSD) Cc: current@freebsd.org Subject: Re: ULE/SCHED_SMP diff for 7.0 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 19 Jul 2007 10:00:21 -0000 On Thu, 19 Jul 2007, Jeff Roberson wrote: JR> > JR> > N Min Max Median Avg JR> > JR> > x 5 36.33 36.77 36.45 36.486 JR> > JR> > + 5 38.87 39.23 39.03 39.042 JR> > JR> > Well, I'm a bit puzzled: with new sched_ule.c system+user time slightly JR> > decreases (within one minute), while real time goes up from 39 to 44 JR> > minutes! JR> > And most of the time I see 10-50% of idle in top. JR> JR> Please try setting sysctl kern.sched.steal_thresh=2 This is the setting I JR> intend to commit. I also was only testing buildkernel which tends to run JR> more processes concurrently as compared to buildworld. Much better! buildworld+buildkernel finished in 37:23, which is almost identical to SCHED_4BSD. user+sys is stable around 64 mins. Thanks for your hard work! Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------