Cyril Plisko wrote:
> Howdy,
>
> While browsing sources under usr/src/uts I noticed that many
> modules are reimplementing some sort of debug printf-like
> functionality all over again. In many cases it looks like one
> framework copying the defines from the other changing only
> a prefix. Wouldn't it be beneficial for the kernel to have some
> sort of generic DPRINTF/dprintf functionality, available to all
> the components ? IMHO, besides overall cleanness it will
> also allow developers to concentrate on their specific tasks
> instead of re-inventing the wheel again and again.
>
> May be there is something similar on the way already ?
>
It would be nice if we had some standard macros for this. The problem
is that developers want to turn on debugging in _their_ subsystem, and
nowhere else. Now the kernel could figure where the call came from, and
set up a table of kernel module -> debug tunable, which could be helpful.
Then you could use KPRINTF() calls, which evaluate to { } in a module
built without debug facilities.
-- Garrett
--
Garrett D'Amore, Principal Software Engineer
Tadpole Computer / Computing Technologies Division,
General Dynamics C4 Systems
http://www.tadpolecomputer.com/
Phone: 951 325-2134 Fax: 951 325-2191
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