The Pinball Machine Reverse Engineering Kit (PMREK) includes source code for a Linux 2.6 kernel module and a user program to control Bally pinball machines manufactured between 1977 and 1985 via memory-mapped I/O.
MultiTCP is a benchmark environment for testing TCP congestion avoidance algorithms and other TCP enhancements. It uses the kernel logs to print out segments statistics and internal TCP variables, to analyze and understand Linux TCP behavior.