From owner-freebsd-arch@FreeBSD.ORG  Thu Sep 20 21:22:13 2007
Return-Path: <owner-freebsd-arch@FreeBSD.ORG>
Delivered-To: arch@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 6CD9016A54B;
	Thu, 20 Sep 2007 21:22:13 +0000 (UTC) (envelope-from xcllnt@mac.com)
Received: from smtpoutm.mac.com (smtpoutm.mac.com [17.148.16.74])
	by mx1.freebsd.org (Postfix) with ESMTP id F351013C632;
	Thu, 20 Sep 2007 21:22:04 +0000 (UTC) (envelope-from xcllnt@mac.com)
Received: from mac.com (smtpin04-en2 [10.13.10.149])
	by smtpoutm.mac.com (Xserve/smtpout011/MantshX 4.0) with ESMTP id
	l8KH9f1P015961; Thu, 20 Sep 2007 10:09:41 -0700 (PDT)
Received: from [172.24.104.188] (natint3.juniper.net [66.129.224.36])
	(authenticated bits=0)
	by mac.com (Xserve/smtpin04/MantshX 4.0) with ESMTP id l8KH9bPp020929
	(version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NO);
	Thu, 20 Sep 2007 10:09:38 -0700 (PDT)
In-Reply-To: <20070919193150.GM79417@elvis.mu.org>
References: <96A863DB-3C0B-4AD0-B0A1-3C0A89B42C75@mac.com>
	<20070919193150.GM79417@elvis.mu.org>
Mime-Version: 1.0 (Apple Message framework v752.3)
Content-Type: text/plain; charset=US-ASCII; format=flowed
Message-Id: <F6298D8C-E5B1-42BE-8492-E9016741895A@mac.com>
Content-Transfer-Encoding: 7bit
From: Marcel Moolenaar <xcllnt@mac.com>
Date: Thu, 20 Sep 2007 10:08:25 -0700
To: Alfred Perlstein <alfred@freebsd.org>
X-Mailer: Apple Mail (2.752.3)
Cc: arch@freebsd.org
Subject: Re: Replacing/enhancing kernel printf()
X-BeenThere: freebsd-arch@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Discussion related to FreeBSD architecture <freebsd-arch.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-arch>
List-Post: <mailto:freebsd-arch@freebsd.org>
List-Help: <mailto:freebsd-arch-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-arch>,
	<mailto:freebsd-arch-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 20 Sep 2007 21:22:13 -0000

On Sep 19, 2007, at 12:31 PM, Alfred Perlstein wrote:

	...
> In effect one could define a tree, akin to sysctl that provided
> all these layers.
	...
> Effectively a description file like this:
>
>   all
>   all.kern
>   all.kern.dev
>   all.kern.dev.fxp
>   all.kern.dev.fxp.rx
>   all.kern.dev.fxp.tx
>   ..
	...
> Then inside the program one would simply write:
>
> alfred_printf(all_kern_dev_fxp, 1, "Fxp initialized");
>
> then maybe in the rx routine:
>
> alfred_printf(all_kern_dev_fxp_rx, 2, "Fxp got packet");


For some reason this struck a note. While this was done
for debug levels and may not directly apply to generic
console output and redirection, it did put a seed in my
head relating to device_printf(). Nothing concrete and
it may not be anything, but still :-)

-- 
Marcel Moolenaar
xcllnt@mac.com