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DTrace: Dynamic Tracing in Oracle Solaris, Mac OS X and FreeBSD (Englisch) Taschenbuch – 1. April 2011

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Brendan Gregg is a performance specialist at Joyent and is known worldwide in the field of DTrace. Brendan created and developed the DTraceToolkit and is the coauthor of SolarisTM 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 SolarisTM Performance and Tools and the first and second editions of SolarisTM Internals (Sun Microsystems Press, 2000, and Prentice Hall, 2006).

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16 von 19 Kunden fanden die folgende Rezension hilfreich
HASH(0x90683df8) von 5 Sternen Essential Solaris Companion 18. April 2011
Von B. Rockwood - Veröffentlicht auf
Format: Taschenbuch
Its finally here, the great masterpiece. This books completes what "Solaris Performance & Tools" started. This new book focuses entirely on DTrace and is really several books rolled into one.

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.
4 von 4 Kunden fanden die folgende Rezension hilfreich
HASH(0x906871ec) von 5 Sternen Good Introduction, Content Out-of-Date 14. Januar 2014
Von Amazon Customer - Veröffentlicht auf
Format: Kindle Edition Verifizierter Kauf
This is a good way to get started using DTrace on Solaris or FreeBSD. (I haven't tried the Linux version.) The book does a good job describing the overall structure of a DTrace script, including providers, probes, conditions, and actions. It also has a number of good examples, although perhaps 25% of the example no longer work because DTrace is evolving rapidly. That DTrace has rapidly evolved beyond what it was when this book was publish is the reason the book gets 4 stars instead of 5.

The book is well worth the purchase as a learning tool albeit less useful as a reference.
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HASH(0x906866cc) von 5 Sternen Excellent book about performance analysis in general and DTrace details 26. September 2011
Von Peter B. Galvin - Veröffentlicht auf
Format: Taschenbuch
B Rockwood provides an excellent review of the book and there is not much to add beyond that. If you are interested in the state-of-the-art of system analysis / performance analysis and the DTrace tool that provides unprecedented levels of information available in these areas, then this is a must-have book. Highly recommended!
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HASH(0x906863c0) von 5 Sternen Essential Addition to the Performance Bookshelf 11. April 2011
Von MR DOMINIC A KAY - Veröffentlicht auf
Format: Taschenbuch
Any jobbing performance analyst, system administrator or developer who wishes to move to the next level should get this book and write their name on it in thick marker - or else it will walk.
Although the book is aimed at the professional, the student and teacher of operating systems are also firmly in its sights. Expect this book to appear on CS courses, twinned with the appropriate - MacOS X, BSD or Solaris, Internals book. The latter not un-coincidentally comes from the hand of one of the co-authors of this work.
There is sufficient introductory material in here that the reader can grasp the language of Dtrace without Reading The Fine Manuals but the real value of this text lies in the examples and especially the one-liners. Anyone who has read the original AWK book - an old masterpiece that crescendos from workaday one-line tools to complete compilers and graph generators - will have the flavor of this work. Each OS subsystem is examined in turn by way of one-liner triage and then subjected to more involved analysis.
The other great strength of the book is that it dispels the myth that Dtrace is just for systems folks and not application developers. There are several chapters dealing with the inspection of running applications - both those for which you have the source and those you don't. The words "hackers bible" never passed my lips ;-)
Its evident from reading it that this book was a work of passion for its authors, distilled from their daily concerns as systems performance experts and evangelists. I am grateful they have spread the Good News.
18 von 26 Kunden fanden die folgende Rezension hilfreich
HASH(0x90686a38) von 5 Sternen The raw power of DTrace and the social grace of engineers, together at last. 21. Juli 2011
Von Michael Ernest - Veröffentlicht auf
Format: Taschenbuch
The last book I tried to use while at my computer was the first edition of the O'Reilly behemoth UNIX Power Tools, a small phone book in both page count and page quality. Working through a very large book of very many items front to back, as I did, might seem like a fool's errand. But Power Tools was, and in its third edition must still be, a tirelessly, relentlessly cross-referenced work. I was impressed by the vigor and care its contributors applied to relate so many points of information to each other. Moreover, I was struck by the implication that I could follow suit. It was a breath of encouragement I was grateful to receive, as I wanted to grow into power user status myself. It was also a gift I think about paying forward when I teach. Like when someone again runs off with my current copy, but in a way that doesn't stress the trust I place in my colleagues.

This book on DTrace, a technology for tracing process and operating system behavior, is also quite thick, and filled with many bits of information, hard-won from examining many dark areas of system and process code. The book is, in turns, a meandering journal, a breathless mash-up of contributions, a collection of clipped, man page-style narratives, and a dry series of code and output blocks the authors sometimes deem self-evident. Some clues, such as an oft-repeated warning that the fbt provider is unstable, suggest the book was built by force of compilation alone, with little interest in supporting a read-through, much less a systematic view of the content.

It is however a formidable cache, quite possibly including every DTrace program of general consequence written in the last few years. Despite protests to the contrary, it is also partly a tribute-to-self and tour de force of its lead author, and what he has done and can do with this technology. (I agree with another reviewer who found the preening on the back cover and introduction a bit too much.) The biggest benefit the reader receives from this work, then, are the products of that facility: scripts, recipes, power tools. Call them what you like.

But an 1100-page book of any construction needs some figurative handle to manage it. Unix Power Tools provided one with a display of cross-referencing heroics I doubt we will see again. After several attempts at cutting my own path, I downloaded the scripts and just started working through them, treating the book as a resource to clarify what I couldn't divine on my own. My results with that strategy so far amount to a coin-toss. To make full use of this book, I suspect most readers will have to meet the material more than half way, providing perhaps an uncommon passion, or considerable expertise. It would be better to bring both, and a continuous caffeine feed, to succeed.
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