Who Should Use This Book

DTrace is a comprehensive dynamic tracing facility that is built into Solaris. You can use the DTrace facility can be used to examine the behavior of user programs or the behavior of the operating system. DTrace can be used by system administrators or application developers on live production systems.

DTrace allows Solaris developers and administrators to:

• Implement custom scripts that use the DTrace facility

• Implement layered tools that use DTrace to retrieve trace data

This book is not a comprehensive guide to DTrace or the D scripting language. Please refer to the Solaris Dynamic Tracing Guide for in-depth reference information.