Tools to help you analyse performance

The Phoronix Test Suite (PTS) is a free, open source benchmark software for Linux and other operating systems. It is the most comprehensive testing and benchmarking platform available and provides an extensible framework for testing.

Bootchart is a tool for performance analysis and visualisation of GNU/Linux.

This is a 100 per cent pure Java application for load and performance testing. Jmeter is designed to cover categories of tests like load, functional, performance, regression, etc, and requires JDK 5 or higher version.

This displays a listing of the most CPU-intensive tasks on the system, and can provide an interactive interface for manipulating processes. It can sort the tasks by CPU usage, memory usage and runtime.

IOzone is a file system benchmark tool. The benchmark generates and measures a variety of file operations. It has been ported to many machines and runs under many operating systems.