This book presents a major survey of practical developments in the field of computer performance evaluation. It reports on the tools available for performance evaluation and reviews research results in performance analysis. Areas covered include visualization, integrated environments, measurement/monitoring and new concepts relating performance analysis to software engineering. The emphasis throughout the book is on practical techniques. It should be of use to software managers in the computing and telecommunications industries; researchers and university lecturers in performance, modelling and software engineering; and students on postgraduate courses.