Kernel Logging
Thursday, December 21st, 2006
While I usually write about programming in the land of milk and honey (i.e., Cocoa), I spent most of the previous ten years writing kernel-level code. Recently, I’ve ventured back into the kernel and was reminded of the challenge of logging from an I/O Kit driver. When writing code in the kernel for an I/O Kit driver, you can’t invoke
printf to log messages. Instead, you usually invoke IOLog. … 
