Package mbuffer

Measuring Buffer is an enhanced version of buffer

http://www.maier-komor.de/mbuffer.html

Measuring Buffer is an enhanced version of buffer. It features displayof
throughput, memory-mapped file I/O for huge buffers, and multithreading.

General Commands (Section 1)
mbuffer
mbuffer buffers I/O operations and displays the throughput rate. It is multi-threaded, supports network connections, and offers more options than the standard...