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SubjectRe: [PATCH] reduce syslog clutter (take 2)
On 09.03.2006 19:58, Jesper Juhl wrote:

> On 3/9/06, Tilman Schmidt <> wrote:
>>On 09.03.2006 17:34, Randy.Dunlap wrote:
>>>On Thu, 9 Mar 2006 03:02:57 -0800 Andrew Morton wrote:
>>>>Tilman Schmidt <> wrote:
>>>>>The current versions of the err() / info() / warn() syslog macros
>>>>>insert __FILE__ at the beginning of the message, which expands to
>>>>>the complete path name of the source file within the kernel tree.
>>>>>With the following patch, when used in a module, they'll insert the
>>>>>module name instead, which is significantly shorter and also tends to
>>>>>be more useful to users trying to make sense of a particular message.
>>>>Personally, I prefer to see filenames. Or function names. Sometimes it's
>>>>rather unobvious how to go from module name to filename, due to a) multiple
>>>>.o files being linked together, b) subsystems which insist on #including .c
>>>>files in .c files (usb...) and c) the module system's cute habit of
>>>>replacing underscores with dashes in module names.
>>>True, just using module->name or whatever means that we would
>>>(often?) have to do a lookup to see what source file it was in.
>>That would be a valid point for debugging messages. However, we are
>>talking about messages to users here. I maintain that the additional 20
>>characters in:
>>Feb 21 00:12:13 gx110 kernel: drivers/isdn/gigaset/i4l.c:
>>ISDN_CMD_SETL3: invalid protocol 42
>>as opposed to:
>>Feb 21 00:12:13 gx110 kernel: gigaset: ISDN_CMD_SETL3: invalid protocol 42
>>do not provide any useful information for that clientele. They just push
> The filename may not be useful to the user, but the instant the user decides to
> submit a bugreport to LKML or elsewhere it becomes useful.

Then why does the majority of kernel messages not include a filename?

Tilman Schmidt E-Mail:
Bonn, Germany
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