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Date:      Thu, 20 Sep 2007 10:08:25 -0700
From:      Marcel Moolenaar <xcllnt@mac.com>
To:        Alfred Perlstein <alfred@freebsd.org>
Cc:        arch@freebsd.org
Subject:   Re: Replacing/enhancing kernel printf()
Message-ID:  <F6298D8C-E5B1-42BE-8492-E9016741895A@mac.com>
In-Reply-To: <20070919193150.GM79417@elvis.mu.org>
References:  <96A863DB-3C0B-4AD0-B0A1-3C0A89B42C75@mac.com> <20070919193150.GM79417@elvis.mu.org>

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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





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