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Overview:

A key step in performance tuning is identifying bottlenecks using monitoring and measuring tools. This sample chapter from Linux Debugging and Performance Tuning: Tips and Techniques focuses on measuring from the timing aspect, covering five methods of timing programs or functions inside of programs. The first three methods, stopwatch, date, and time, are ways to measure the total time that the program takes to execute and require no modifications to the program to measure the time spent by the program. The clock and gettimeofday routines can be added to parts of a program to measure the time spent doing a section of the program. Finally, the gprof profiler and kprof can be used to profile sample programs.



Title: Linux Debugging and Performance Tuning: Tips and Techniques
ISBN: 0131492470
Published: October 2005
Author: Steve Best
Chapter: Chapter 1: Profiling
Published by Prentice Hall

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Format:PDFSize:1,495 KB
Date:May 2006Version: 1.0
License: copyright
System Req: Adobe Acrobat 5.0 or later

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