From owner-freebsd-current@FreeBSD.ORG Tue Jul 29 18:00:47 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 94F239E3; Tue, 29 Jul 2014 18:00:47 +0000 (UTC) Received: from cell.glebius.int.ru (glebius.int.ru [81.19.69.10]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "cell.glebius.int.ru", Issuer "cell.glebius.int.ru" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 178952F5B; Tue, 29 Jul 2014 18:00:46 +0000 (UTC) Received: from cell.glebius.int.ru (localhost [127.0.0.1]) by cell.glebius.int.ru (8.14.9/8.14.9) with ESMTP id s6TI0hgP072844 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 29 Jul 2014 22:00:43 +0400 (MSK) (envelope-from glebius@FreeBSD.org) Received: (from glebius@localhost) by cell.glebius.int.ru (8.14.9/8.14.9/Submit) id s6TI0h5D072843; Tue, 29 Jul 2014 22:00:43 +0400 (MSK) (envelope-from glebius@FreeBSD.org) X-Authentication-Warning: cell.glebius.int.ru: glebius set sender to glebius@FreeBSD.org using -f Date: Tue, 29 Jul 2014 22:00:43 +0400 From: Gleb Smirnoff To: Michael Tuexen Subject: Re: [CFT/CFR] machine independent sf_bufs Message-ID: <20140729180043.GG89995@glebius.int.ru> References: <20140719062725.GB85917@FreeBSD.org> <20140729104156.GD89995@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Cc: kib@FreeBSD.org, 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: Tue, 29 Jul 2014 18:00:47 -0000 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. -- Totus tuus, Glebius.