From owner-freebsd-arch@FreeBSD.ORG Fri Feb 7 12:51:29 2014 Return-Path: Delivered-To: freebsd-arch@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 52EBCB13 for ; Fri, 7 Feb 2014 12:51:29 +0000 (UTC) Received: from mail-wi0-x234.google.com (mail-wi0-x234.google.com [IPv6:2a00:1450:400c:c05::234]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id E26011875 for ; Fri, 7 Feb 2014 12:51:28 +0000 (UTC) Received: by mail-wi0-f180.google.com with SMTP id hm4so800776wib.7 for ; Fri, 07 Feb 2014 04:51:27 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:date:message-id:subject:from:to:content-type; bh=XE9VSP2WNgKuRt7DQbCtxfh1XUZURdhjmAkTuD8gKZo=; b=pLyQ+yqMLMU9JlPh5RpvJ5WIphNG6ABGtrS6jNu+6l2phMFlFA80YS1xnwwjndiaea PIo6eweD923/jo1pxEyIHfL1TpOzgHfFExYFGv4WsN2cH7XMQ7kCN9SjrnlSIl/EOkP9 +Tw1B8gAoSbIc51TEgm1WSbQDQ9osA5JxCmlfRpbm9RpQHUBSdJih36c+f4nQFXqqvnM pdJLu4jIip9aFNrsCSgc91jHVWY8C8qv1c7pYFMRFzvw4TV2od8BL5+Akof8+QFONadw 913P2aGo2o8w6Hm4nBVoDbO/qYpdAJHSm1i9Wcd/JZNHB5H9+b6U3jBz3BnKq3RJMe1i b8Ug== MIME-Version: 1.0 X-Received: by 10.180.13.33 with SMTP id e1mr3801843wic.38.1391777487255; Fri, 07 Feb 2014 04:51:27 -0800 (PST) Sender: fluca1978@gmail.com Received: by 10.194.79.136 with HTTP; Fri, 7 Feb 2014 04:51:27 -0800 (PST) Date: Fri, 7 Feb 2014 13:51:27 +0100 X-Google-Sender-Auth: AAEIsT2gIGRGrNeclB3sAyB3v_8 Message-ID: Subject: mbuf and uio From: Luca Ferrari To: freebsd-arch@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-BeenThere: freebsd-arch@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Discussion related to FreeBSD architecture List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 Feb 2014 12:51:29 -0000 Hi all, I'm just wondering why mbufs seems to be much more important from an administrator point of view than uio. I mean, both structures are used to move data thru a stack (network or i/o), but the mbufs get accounted by serveral tools (like netstat and so on) while uio does not. Am I totally wrong on this? Luca