Solaris Performance and Tools(c) Dtrace and Mdb Techniques for Solaris 10 and Opensolaris

Solaris Performance and Tools: DTrace and MDB Techniques for Solaris 10 and OpenSolaris

ISBN: 0131568191
EAN: 2147483647

Year: 2007
Pages: 180

Authors: Richard McDougall, Jim Mauro, Brendan Gregg

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