From owner-freebsd-stable@FreeBSD.ORG Thu Nov 22 21:42:23 2007 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B943B16A468 for ; Thu, 22 Nov 2007 21:42:23 +0000 (UTC) (envelope-from ivoras@gmail.com) Received: from rv-out-0910.google.com (rv-out-0910.google.com [209.85.198.185]) by mx1.freebsd.org (Postfix) with ESMTP id ACA3E13C4CC for ; Thu, 22 Nov 2007 21:42:23 +0000 (UTC) (envelope-from ivoras@gmail.com) Received: by rv-out-0910.google.com with SMTP id l15so2519997rvb for ; Thu, 22 Nov 2007 13:42:23 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; bh=THZQ/d5YG3dJD5k2RisaDhOdwUJj0/6gECy4fKucYmw=; b=IYirXR6F0olXQATQphy5fjcBxnoFQ4RODn1V9XOeLjEg5A6Mk/+f3lgsgZkcBYoKvrFm1PKdGonn3UzxmILqUfmqJRaV5QHWWB9WWZJIZDxtRQxiakZ1Ooe/Od0b3uvC+SeSsMMxRYwlb74vxi2XDntKw0N7LyXEjpfb6r3fI24= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=aFuEoPe3Bi6lt2xXHcfwg4mN4RSXb0kjcerbcgCuwVEiMQDwYzJtwcwxmE5t3M3xWoizO8rnq/0Sd7sKSH4mdqXiKl8AeXu+RVsCJgIq1IKo/yjaFeGJD6oDEFmv8RFBd4IgxDHErG3YO/kKgXLW1KbmH+XKCsovp9ySPbZvRGI= Received: by 10.140.251.1 with SMTP id y1mr4167988rvh.1195767743095; Thu, 22 Nov 2007 13:42:23 -0800 (PST) Received: by 10.141.211.5 with HTTP; Thu, 22 Nov 2007 13:42:23 -0800 (PST) Message-ID: <9bbcef730711221342y5223f0cfuca1826c8f203e9b8@mail.gmail.com> Date: Thu, 22 Nov 2007 22:42:23 +0100 From: "Ivan Voras" Sender: ivoras@gmail.com To: "Kris Kennaway" In-Reply-To: <4745ED27.6060401@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <4741905E.8050300@chistydom.ru> <4743629B.9090408@FreeBSD.org> <47440C10.5060608@FreeBSD.org> <47440E55.3060909@FreeBSD.org> <9bbcef730711210320s73c0625bh25ba2561b270f237@mail.gmail.com> <47448CC2.7030100@FreeBSD.org> <4745ED27.6060401@FreeBSD.org> X-Google-Sender-Auth: b489d03a38377c51 Cc: freebsd-stable@freebsd.org Subject: Re: 2 x quad-core system is slower that 2 x dual core on FreeBSD X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 22 Nov 2007 21:42:23 -0000 On 22/11/2007, Kris Kennaway wrote: > Ivan Voras wrote: > > Kris Kennaway wrote: > >> OK, let's take a step back here. Did you obtain the lock profiling > >> trace and verify that you're seeing the same problem as Alexey? Can I > >> see the trace? > > > > Here it is: > > > > http://ivoras.sharanet.org/stuff/lock_profile.txt > > > > This is without your patch. > > > > Your reading of the lock profile will be appreciated. > > OK, how about with? The machine is going into production and I can't do such interventions on it any more. Based on the lock trace, do you think It's the same problem as Alexeys?