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Dtrace: Dynamic Tracing in Oracle Solaris, Mac OS X and Freebsd (Englisch) Taschenbuch – 1. April 2011
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The first guide to DTrace: the breakthrough debugging tool for Mac OS X, Unix, Solaris, and OpenSolaris operating systems and applications
Über den Autor und weitere Mitwirkende
Brendan Gregg is a performance specialist at |oyent and is known worldwide in the field of DTrace. Brendan created and developed the DTraceToolkit and is the coauthor of Solaris™ Performance and Tools (Prentice Hall, 2006) as well as numerous articles about DTrace. Many of Brendan's DTrace scripts are shipped by default in Mac OS X.
Jim Mauro is a senior software engineer for Oracle Corporation, working in the Systems group with a primary focus on systems performance. Jim has 30 years of experience in the computer industry and coauthored Solaris™ Performance and Tools and the first and second editions of Solaris™ Internals (Sun Microsystems Press, 2000, and Prentice Hall, 2006).
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The book is well worth the purchase as a learning tool albeit less useful as a reference.
Part I gives you a complete DTrace Textbook. It breaks down the language and introduces you all the foundational concepts. It is brisk and every concept has an example making it extremely accessable.
Part II is the combination of several runbooks and a collection of cookbooks. For CPU, I/O, network, etc there is the same methodical systematic approach to exposing problems that we got in "Performance & Tools" but vastly expanded. After hitting all the fundamental resources it breaks down into various programming languages, databases, applications and daemons.
The true value of this book is here in Part II. You may know that you have a certain kind of problem, and you know that DTrace can probly find it for you, but you don't know where to start and in what order to proceed. If you do it on your own you may quickly find yourself overwhelmed and lost in the labyrinth that is the Solaris kernel. This is why the methodical approach Jim and Brendan take is so important, you really don't need to know anything more than you need to dig into some broad problem and the text leads you down the path of elimination and analysis step-by-step.
Part III hits tools, tips, and security. Learn how to spy on users, audit activity, use Apple Instruments or DTrace in NetBeans and lots more. Chapter 13 on tools is a great way to learn about all those tools out there that you may have heard of but aren't familiar with, or even introduce you to new toys you didn't know existed.
But thats not all... there are 7 Appendix, including a complete language reference, error message reference, and cheat sheet.
The important thing about this book is that it will actually help you solve real-world problems. A hardworking sysadmin doesn't have the time it takes to learn all the ins-and-outs of Solaris's kernel and learning all of DTrace's power can take years. The book is full of examples, I think have the page count has to be just code examples that you can actually use. This book is practical, accessible and will turn any Solaris administrator into an instant rock star.