Watching serial port activity.

Grant Edwards grante at
Tue May 30 15:46:41 CEST 2006

On 2006-05-30, xkenneth <xkenneth at> wrote:

> I'm using linux.

[It's generally considered good practice to quote enough context
so that your post makes sense to people without access to older

Under Linux there isn't really anything.  IIRC, many years ago,
somebody had written a kernel module that inserted itself
between application and serial port and logged operations, but
the last time I tried to find it, I was unsuccessful.

If you feel like building a kernel, adding a few printk() calls
to either the low-level serial driver or the tty
line-discipline layer might do what you want.

Grant Edwards                   grante             Yow!  YOW!! Everybody out
                                  at               of the GENETIC POOL!

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