Re: figuring out which ioctl's a system needs?

[SL Baur]

> I'm trying to figure out what is the subset of ioctl's a system needs
> to run. I figure the best way is sticking a printk in sys_ioctl, and
> having it printk the number, so that syslog can pick it up, and then
> go through the list. This way I can use the system normally for a
> week to collect the information I need.

> Is there an easier way, or is there a way that I can make my life
> easier (i.e. going from printk'd number to header file include).

Install the Linux Trace Toolkit and enable tracing for ioctls.
See http://www.opersys.com/LTT for details.