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Oracle Solaris Dynamic Tracing Guide     Oracle Solaris 11 Information Library
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Document Information


1.  About DTrace

2.  D Programming Language

3.  Aggregations

4.  Actions and Subroutines

5.  Buffers and Buffering

6.  Output Formatting

7.  Speculative Tracing

8.  dtrace(1M) Utility

9.  Scripting

10.  Options and Tunables

11.  Providers

12.  User Process Tracing

copyin and copyinstr Subroutines

Avoiding Errors

Eliminating dtrace(1M) Interference

syscall Provider

ustack Action

uregs[] Array

pid Provider

User Function Boundary Tracing

Tracing Arbitrary Instructions

13.  Statically Defined Tracing for User Applications

14.  Security

15.  Anonymous Tracing

16.  Postmortem Tracing

17.  Performance Considerations

18.  Stability

19.  Translators

20.  Versioning

Chapter 12

User Process Tracing

DTrace is an extremely powerful tool for understanding the behavior of user processes. DTrace can be invaluable when debugging, analyzing performance problems, or simply understanding the behavior of a complex application. This chapter focuses on the DTrace facilities relevant for tracing user process activity and provides examples to illustrate their use.