From owner-freebsd-current@FreeBSD.ORG Wed Jul 30 05:34:58 2014 Return-Path: Delivered-To: current@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B6CA23FE; Wed, 30 Jul 2014 05:34:58 +0000 (UTC) Received: from ns.kevlo.org (220-135-115-6.HINET-IP.hinet.net [220.135.115.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "ns.kevlo.org", Issuer "ns.kevlo.org" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 5B3AC2AE2; Wed, 30 Jul 2014 05:34:57 +0000 (UTC) Received: from ns.kevlo.org (localhost [127.0.0.1]) by ns.kevlo.org (8.14.8/8.14.8) with ESMTP id s6U5Yla7044021 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Wed, 30 Jul 2014 13:34:47 +0800 (CST) (envelope-from kevlo@ns.kevlo.org) Received: (from kevlo@localhost) by ns.kevlo.org (8.14.8/8.14.8/Submit) id s6U5YlmT044020; Wed, 30 Jul 2014 13:34:47 +0800 (CST) (envelope-from kevlo) Date: Wed, 30 Jul 2014 13:34:46 +0800 From: Kevin Lo To: Gleb Smirnoff Subject: Re: [CFT/CFR] machine independent sf_bufs Message-ID: <20140730053446.GA44008@ns.kevlo.org> References: <20140719062725.GB85917@FreeBSD.org> <20140729104156.GD89995@FreeBSD.org> <20140729180043.GG89995@glebius.int.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20140729180043.GG89995@glebius.int.ru> User-Agent: Mutt/1.5.22 (2013-10-16) Cc: kib@FreeBSD.org, Michael Tuexen , current@FreeBSD.org X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.18 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: Wed, 30 Jul 2014 05:34:58 -0000 On Tue, Jul 29, 2014 at 10:00:43PM +0400, Gleb Smirnoff wrote: > > On Tue, Jul 29, 2014 at 07:29:43PM +0200, Michael Tuexen wrote: > M> > Sorry for top quoting, this is to annoy you :) I got zero > M> > replies on the below email during a week. I'd really appreciate > M> > testing on different platforms. Any takers? > M> OK, it works on an Raspberry pi running r269231 with your patch. > M> The only suspicious thing I observed was that the number of > M> 'requests for I/O initiated by sendfile' in netstat -m doesn't > M> always increase. I would expect that. However, I'm not sure if > M> this is ARM related (I would not think so) or is related to your > M> patch at all. > > Thanks a lot, Michael! > > The observation on number of I/Os is absolutely okay, since VM > cashes pages. Hi Gleb, I tested your patch on FreeBSD/arm (OpenBlocks AX3), it seems to be working fine. > -- > Totus tuus, Glebius. Kevin