Solaris Training : Solaris 10 Dynamic Systems Analysis Kernel Statistics Framework (KSTATs) / Dynamic Tracing (DTrace)

The Solaris 10 Dynamic Systems Analysis course introduces participants to the new facilities: DTrace and KSTATS. Using these tools, a systems administrator / systems programmer / systems analyst is able to watch kernel and systems level activity as they are occurring.

Systems: Solaris 10 09/10 UPD 9, SPARC or x86/x64 hardware platforms.

Solaris Training Prerequisites

It is assumed that the participant has successfully completed the System Administration for the Solaris 10 OS Part 1 course, or has equivalent system time as a user, and is comfortable with basic systems administration functions and scripting, preferably with either Korn shell, awk/nawk and Perl

Solaris Training Course duration

This course normally requires three (3) days, approximately 60% lecture, and 40% lab time.

Solaris Training Course Objectives

On completion of this course, the participant should be able to:

Describe system troubleshooting fundamentals
Understand the components in Dynamic Tracing (DTrace)
Learn the basics of the D scripting language
Write DTrace one-line and scripted procedures
Monitor system level activity
Look at the modules that comprise the Kernel Statics Framework
Write C programs to access the KSTATS cells
Build system monitors using KSTATS with shell and Perl script

Solaris Training Course outline

Dynamic Tracing (DTrace) Architecture

DTrace Components
- Providers
- Probes
- Functions
- Built-in variables
Required privileges
Zone considerations

DTrace Procedures

The D Scripting Language
- Components
- Techniques
Writing D based scripts
- one - liners
- programmatic

DTrace Kernel Level Tracing

Commonly traced areas
- system calls
- TCP/IP
- kernel variables
- open files
Writing D based scripts
- one - liners
- programmatic

DTrace Application Level Tracing

Commonly traced process areas
- system calls
- environment variables
- open files

DTrace Impact Considerations

Anonymous tracing
Speculative tracing
Performance impact of DTrace
Use and size DTrace buffers

Kernel Statistics Framework (KSTATs) Architecture

C library functions (from Sun)
kstat command interface
shell scripting interface
Perl module interface

KSTATs Procedures

Accessing system areas
- CPU
- virtual memory
- disk I/O
- network I/O

Case Studies

DTrace
KSTATs

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