High Quality Content by WIKIPEDIA articles! Bonnie++ is a Free File System benchmarking tool for Linux, developed by Russell Coker. Bonnie++ is a benchmark suite that is aimed at performing a number of simple tests of hard drive and file system performance.This benchmark is named Bonnie++, it is based on the Bonnie benchmark written by Tim Bray. This benchmark is named Bonnie++, it is based on the Bonnie benchmark written by Tim Bray.