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DTrace User Guide
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Document Information


1.  Introduction

DTrace Capabilities

Architecture overview

DTrace Providers

DTrace Probes

DTrace Predicates

DTrace Actions

D Scripting Language

2.  DTrace Basics

3.  Scripting With the D Language

4.  Using DTrace


Chapter 1


DTrace is a comprehensive dynamic tracing facility that is built into Solaris. DTrace can be used by administrators and developers, and can safely be used on live production systems. DTrace enables you to examine the behavior of user programs as well as the behavior of the operating system. Users of DTrace can create custom programs with the D scripting language. Custom programs provide the ability to dynamically instrument the system. Custom programs provide immediate, concise answers to specific questions about the behavior of particular applications.