The article is at embeddedrelated.com. The nice bit is, you save format string pointers to files, and you read the strings later directly from the executable, and then do the formatting. There are a few tricks related to scripting gdb in Python and other such things. The upshot is that you get to do free-form text logging from virtually any context – including things like interrupt handlers, etc.
Delayed printf for real-time logging
October 25th, 2013 | software