Program Performance Analysis Tools Author:Sun Microsystems Inc. This book describes the Sun[tm] ONE Studio tools that are available for analyzing program performance. The book explains how to collect performance data and analyze the data using either the Performance Analyzer GUI or the command-line interface, er_print. The tools collect timing data, thread synchronization data, memory allocation data, hardwa... more »re data, and data on MPI library calls and relate the data to the program structure. This book also describes the UNIX(R) tools prof, gprof, and tcov. This book is intended for programmers with a working knowledge of Sun ONE Studio software and some understanding of the Solaris[tm] operating environment and UNIX(R) commands. Some knowledge of performance analysis is helpful in understanding how to use the data that is derived from the tools, but is not required for using the tools.« less