MOMENTAN AUSVERKAUFT
Über dieses Produkt
Product Information
The Oracle Solaris DTrace feature revolutionizes the way you debug operating systems and applications. Using DTrace, you can dynamically instrument software and quickly answer virtually any question about its behavior. Now, for the first time, there's a comprehensive, authoritative guide to making the most of DTrace in any supported UNIX environment--from Oracle Solaris to OpenSolaris, Mac OS X, and FreeBSD. Written by key contributors to the DTrace community, DTrace teaches by example, presenting scores of commands and easy-to-adapt, downloadable D scripts. These concise examples generate answers to real and useful questions, and serve as a starting point for building more complex scripts. Using them, you can start making practical use of DTrace immediately, whether you're an administrator, developer, analyst, architect, or support professional. The authors fully explain the goals, techniques, and output associated with each script or command. Drawing on their extensive experience, they provide strategy suggestions, checklists, and functional diagrams, as well as a chapter of advanced tips and tricks. You'll learn how to Write effective scripts using DTrace's D language Use DTrace to thoroughly understand system performance Expose functional areas of the operating system, including I/O, filesystems, and protocols Use DTrace in the application and database development process Identify and fix security problems with DTrace Analyze the operating system kernel Integrate DTrace into source code Extend DTrace with other tools This book will help you make the most of DTrace to solve problems more quickly and efficiently, and build systems that work faster and more reliably.Product Identifiers
PublisherPrentice Hall PTR
ISBN-100132091518
ISBN-139780132091510
eBay Product ID (ePID)81793952
Product Key Features
Number of Pages1152 Pages
Publication NameDtrace : Dynamic Tracing in Oracle Solaris, Mac OS X and Freebsd
LanguageEnglish
SubjectOperating Systems / General
Publication Year2011
TypeTextbook
AuthorBrendan Gregg, Jim Mauro, Chad Mynhier, Tariq Magdon-Ismail
Subject AreaComputers
FormatTrade Paperback
Dimensions
Item Height1.4 in
Item Weight49.9 Oz
Item Length9.2 in
Item Width7.1 in
Additional Product Features
LCCN2010-047609
Dewey Edition22
Target AudienceScholarly & Professional
IllustratedYes
Dewey Decimal005.14
Lc Classification NumberQa76.9.D43
Table of ContentForeword xxi Preface xxv Acknowledgments xxxi About the Authors xxxv Part I: Introduction Chapter 1: Introduction to DTrace 1 What Is DTrace? 1 Why Do You Need It? 1 Capabilities 2 Dynamic and Static Probes 4 DTrace Features 4 A First Look 6 Overview 8 Architecture 16 Summary 17 Chapter 2: D Language 19 D Language Components 20 Probes 23 Variables 26 Aggregations 33 Actions 37 Options 43 Example Programs 44 Summary 49 Part II: Using DTrace Chapter 3: System View 51 Start at the Beginning 52 Observing CPUs 56 Observing Memory 95 Observing Disk and Network I/O 125 Summary 148 Chapter 4: Disk I/O 151 Capabilities 152 Disk I/O Strategy 154 Checklist 155 Providers 156 Scripts 172 Case Studies 269 Summary 290 Chapter 5: File Systems 291 Capabilities 292 Strategy 295 Checklist 296 Providers 297 Scripts 313 Case Study 387 Summary 397 Chapter 6: Network Lower-Level Protocols 399 Capabilities 400 Strategy 402 Checklist 403 Providers 404 Scripts 445 Common Mistakes 548 Summary 555 Chapter 7: Application-Level Protocols 557 Capabilities 558 Strategy 558 Checklist 559 Providers 560 Scripts 574 Summary 668 Chapter 8: Languages 669 Capabilities 671 Strategy 672 Checklist 674 Providers 675 C 679 C++ 689 Java 691 JavaScript 705 Perl 719 PHP 731 Python 740 Ruby 751 Shell 764 Tcl 774 Summary 782 Chapter 9: Applications 783 Capabilities 784 Strategy 784 Checklist 786 Providers 787 Scripts 804 Case Studies 817 Summary 832 Chapter 10: Databases 833 Capabilities 834 Strategy 835 Providers 836 MySQL 837 PostgreSQL 851 Oracle 858 Summary 865 Part III: Additional User Topics Chapter 11: Security 867 Privileges, Detection, and Debugging 867 Scripts 875 Summary 892 Chapter 12: Kernel 893 Capabilities 894 Strategy 896 Checklist 897 Providers 897 Scripts 932 Summary 945 Chapter 13: Tools 947 The DTraceToolkit 948 Chime 962 DTrace GUI Plug-in for NetBeans and Sun Studio 966 DLight, Oracle Solaris Studio 12.2 966 Mac OS X Instruments 971 Analytics 973 Summary 985 Chapter 14: Tips and Tricks 987 Tip 1: Known Workloads 987 Tip 2: Write Target Software 989 Tip 3: Use grep to Search for Probes 991 Tip 4: Frequency Count 991 Tip 5: Time Stamp Column, Postsort 992 Tip 6: Use Perl to Postprocess 993 Tip 7: Learn Syscalls 994 Tip 8: timestamp vs. vtimestamp 995 Tip 9: profile:::profile-997 and Profiling 996 Tip 10: Variable Scope and Use 997 Tip 11: strlen() and strcmp() 999 Tip 12: Check Assumptions 1000 Tip 13: Keep It Simple 1001 Tip 14: Consider Performance Impact 1001 Tip 15: drops and dynvardrops 1003 Tip 16: Tail-Call Optimization 1003 Further Reading 1003 Appendix A: DTrace Tunable Variables 1005 Appendix B: D Language Reference 1011 Appendix C: Provider Arguments Reference 1025 Providers 1025 Arguments 1038 Appendix D: DTrace on FreeBSD 1045 Enabling DTrace on FreeBSD 7.1 and 8.0 1045 DTrace for FreeBSD: John Birrell 1047 Appendix E: USDT Example 1051 USDT Bourne Shell Provider 1052 Case Study: Implementing a Bourne Shell Provider 1057 Appendix F: DTrace Error Messages 1063 Privileges 1063 Drops 1064 Aggregation Drops 1065 Dynamic Variable Drops 1066 Invalid Address 1066 Maximum Program Size 1067 Not Enough Space 1068 Appendix G: DTrace Cheat Sheet 1069 Synopsis 1069 Finding Probes 1069 Finding Probe Arguments 1070 Probes 1070 Vars 1070 Actions 1071 Switches 1071 Pragmas 1071 One-Liners 1072 Bibliography 1073 Suggested Reading 1073 Vendor Manuals 1075 Index 1089
