From owner-freebsd-stable@FreeBSD.ORG Wed Jan 9 10:23:31 2008 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 49DE416A419; Wed, 9 Jan 2008 10:23:31 +0000 (UTC) (envelope-from krassi@bulinfo.net) Received: from mx.bulinfo.net (mx.bulinfo.net [193.194.156.1]) by mx1.freebsd.org (Postfix) with ESMTP id 014B413C45B; Wed, 9 Jan 2008 10:23:30 +0000 (UTC) (envelope-from krassi@bulinfo.net) Received: from localhost (localhost [127.0.0.1]) by mx.bulinfo.net (Postfix) with ESMTP id E617520E0E; Wed, 9 Jan 2008 12:23:29 +0200 (EET) Received: from mx.bulinfo.net ([127.0.0.1]) by localhost (mx.bulinfo.net [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 50850-05-7; Wed, 9 Jan 2008 12:23:28 +0200 (EET) Received: from [192.168.2.188] (pythia.bulinfo.net [212.72.195.5]) by mx.bulinfo.net (Postfix) with ESMTP id 6709820DF4; Wed, 9 Jan 2008 12:23:26 +0200 (EET) Message-ID: <4784A09C.7070800@bulinfo.net> Date: Wed, 09 Jan 2008 12:23:24 +0200 From: Krassimir Slavchev User-Agent: Thunderbird 2.0.0.9 (X11/20071122) MIME-Version: 1.0 To: Kris Kennaway References: <476A5EE1.9000003@bulinfo.net> <476FF662.6050604@FreeBSD.org> <477BB7C0.3060603@bulinfo.net> <477C1FA3.2070904@FreeBSD.org> <477CC7DC.6060801@bulinfo.net> <47840D21.6060807@FreeBSD.org> <47840D44.9090106@FreeBSD.org> In-Reply-To: <47840D44.9090106@FreeBSD.org> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=windows-1250 Content-Transfer-Encoding: 7bit X-Virus-Scanned: amavisd-new at mx.bulinfo.net Cc: "freebsd-stable@freebsd.org" Subject: Re: Performance! 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: Wed, 09 Jan 2008 10:23:31 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello, Results with lock_manager and select patches and kern.hz=100 #threads #transactions/sec 1 582 5 2083 10 2030 20 2421 40 1739 60 1409 80 1124 100 1034 This is with the BETA4. May be I should upgrade to RC1? I will collect lock profiling statistics again. Best Regards Kris Kennaway wrote: > Kris Kennaway wrote: >> Krassimir Slavchev wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA1 >>> >>> Hello Kris, >>> >>> Here is the lock profiling results, see the attachment. >>> >>> Please, let me know if you want ssh access to this machine? >> >> Thanks, this is very interesting. The problem is already fixed in 8.0 >> but we were not seeing it being this much of a factor on our test >> hardware. Possibly it is due to your CPUs being moderately faster and >> causing a timing difference. Anyway, try this patch. If there is >> still a performance deficit then repeating the lock profiling will be >> useful. >> >> Kris >> >> > > Now with actual patch. > > Kris > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFHhKCcxJBWvpalMpkRAi4WAJ4/lbXTq/7/rGnURw5DMICRqKnFvQCeJKWc KxGflXbc3KfvyuyTRVzStEk= =aBqO -----END PGP SIGNATURE-----