本书全面介绍了Solaris 10和OpenSolaris中的强大工具，包括Solaris动态跟踪工具、DTrace和MDB(模块调试器)。书中提供了理解性能和行为的系统方法，包括：
● 分析内核和应用程序的CPU利用率，包括读取和理解硬件计数器。
● 进程级资源使用和概要描述。
● 磁盘IO行为和分析。
● 系统和应用程序级的内存使用。
● 网络性能。
● 内核监视和概要描述，以及收集内核统计数据。
● 使用DTrace提供者和聚集。
● MDB命令和完整的MDB指南。
对任何水平的Solaris 10和OpenSolaris用户来说，本书和《Solaris内核结构》都极具参考价值。

Richard McDougall，Sun公司杰出工程师，专门从事OS技术和系统性能的研究。

Foreword xxi
Preface
About the Authors
Acknowledgments
PART ONE: Observability Methods
　Chapter 1　Introduction to Observability Tools
　　1.1 Observability Tools
　　1.2 Drill-Down Analysis
　　1.3 About Part One
　Chapter 2: CPUs
　　2.1 Tools for CPU Analysis
　　2.2 vmstat Tool
　　2.3 CPU Utilization
　　2.4 CPU Saturation
　　2.5 psrinfo Command
　　2.6 uptime Command 　
　　2.7 sar Command
　　2.8 Clock Tick Woes
　　2.9 mpstat Command
　　2.10 Who Is Using the CPU?
　　2.11 CPU Run Queue Latency
　　2.12 CPU Statistics Internals
　　2.13 Using DTrace to Explain Events from Performance Tools
　　2.14 DTrace Versions of runq-sz, %runocc
　　2.15 DTrace Probes for CPU States
　Chapter 3: Processes 　
　　3.1 Tools for Process Analysis
　　3.2 Process Statistics Summary: prstat
　　3.3 Process Status: ps
　　3.4 Tools for Listing and Controlling Processes
　　3.5 Process Introspection Commands 　
　　3.6 Examining User-Level Locks in a Process
　　3.7 Tracing Processes
　　3.8 Java Processes
　Chapter 4: Disk Behavior and Analysis
　　4.1 Terms for Disk Analysis
　　4.2 Random vs. Sequential I/O
　　4.3 Storage Arrays
　　4.4 Sector Zoning
　　4.5 Max I/O Size
　　4.6 iostat Utility
　　4.7 Disk Utilization
　　4.8 Disk Saturation
　　4.9 Disk Throughput
　　4.10 iostat Reference
　　4.11 Reading iostat
　　4.12 iostat Internals
　　4.13 sar -d
　　4.14 Trace Normal Form (TNF) Tracing for I/O
　　4.15 DTrace for I/O
　　4.16 Disk I/O Time
　　4.17 DTraceToolkit Commands
　　4.18 DTraceTazTool
　Chapter 5: File Systems
　　5.1 Layers of File System and I/O 　
　　5.2 Observing Physical I/O
　　5.3 File System Latency
　　5.4 Causes of Read/Write File System Latency
　　5.5 Observing File System “Top End” Activity
　　5.6 File System Caches
　　5.7 NFS Statistics
　Chapter 6: Memory
　　6.1 Tools for Memory Analysis
　　6.2 vmstat(1M) Command
　　6.3 Types of Paging
　　6.4 Physical Memory Allocation
　　6.5 Relieving Memory Pressure
　　6.6 Scan Rate as a Memory Health Indicator
　　6.7 Process Virtual and Resident Set Size
　　6.8 Using pmap to Inspect Process Memory Usage
　　6.9 Calculating Process Memory Usage with ps and pmap
　　6.10 Displaying Page-Size Information with pmap
　　6.11 Using DTrace for Memory Analysis
　　6.12 Obtaining Memory Kstats
　　6.13 Using the Perl Kstat API to Look at Memory Statistics
　　6.14 System Memory Allocation Kstats
　　6.15 Kernel Memory with kstat
　　6.16 System Paging Kstats
　　6.17 Observing MMU Performance Impact with trapstat
　　6.18 Swap Space
　Chapter 7: Networks
　　7.1 Terms for Network Analysis
　　7.2 Packets Are Not Bytes
　　7.3 Network Utilization
　　7.4 Network Saturation
　　7.5 Network Errors
　　7.6 Misconfigurations
　　7.7 Systemwide Statistics
　　7.8 Per-Process Network Statistics
　　7.9 TCP Statistics
　　7.10 IP Statistics
　　7.11 ICMP Statistics
　Chapter 8: Performance Counters
　　8.1 Introducing CPU Caches
　　8.2 cpustat Command
　　8.3 cputrack Command
　　8.4 busstat Command
　Chapter 9: Kernel Monitoring
　　9.1 Tools for Kernel Monitoring
　　9.2 Profiling the Kernel and Drivers
　　9.3 Analyzing Kernel Locks
　　9.4 DTrace lockstat Provider
　　9.5 DTrace Kernel Profiling
　　9.6 Interrupt Statistics: vmstat -i
　　9.7 Interrupt Analysis: intrstat
PART TWO: Observability Infrastructure
　Chapter 10: Dynamic Tracing
　　10.1 Introduction to DTrace
　　10.2 The Basics
　　10.3 Inspecting Java Applications with DTrace
　　10.4 DTrace Architecture
　　10.5 Summary 　
　　10.6 Probe Reference
　　10.7 MDB Reference
　Chapter 11: Kernel Statistics
　　11.1 C-Level Kstat Interface
　　11.2 Command-Line Interface
　　11.3 Using Perl to Access kstats
　　11.4 Snooping a Program’s kstat Use with DTrace
　　11.5 Adding Statistics to the Solaris Kernel
　　11.6 Additional Information
PART THREE: Debugging
　Chapter 12: The Modular Debugger
　　12.1 Introduction to the Modular Debugger
　　12.2 MDB Concepts
　Chapter 13: An MDB Tutorial 335 　
　　13.1 Invoking MDB 335
　　13.2 MDB Command Syntax 336
　　13.3 Working with Debugging Targets
　　13.4 GDB-to-MDB Reference
　　13.5 dcmd and Walker Reference
　Chapter 14: Debugging Kernels
　　14.1 Working with Kernel Cores
　　14.2 Examining User Process Stacks within a Kernel Image
　　14.3 Switching MDB to Debug a Specific Process
　　14.4 kmdb, the Kernel Modular Debugger
　 14.5 Kernel Built-In MDB dcmds
APPENDICES
Appendix A Tunables and Settings
Appendix B DTrace One-Liners
Appendix C Java DTrace Scripts
Appendix D Sample Perl Kstat Utilities
Bibliography
Index