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Oracle Solaris Studio 12.2: Performance Analyzer
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Document Information


1.  Overview of the Performance Analyzer

2.  Performance Data

3.  Collecting Performance Data

4.  The Performance Analyzer Tool

5.  The er_print Command Line Performance Analysis Tool

6.  Understanding the Performance Analyzer and Its Data

7.  Understanding Annotated Source and Disassembly Data

8.  Manipulating Experiments

9.  Kernel Profiling

Kernel Experiments

Setting Up Your System for Kernel Profiling

Running the er_kernel Utility

Profiling the Kernel

Profiling Under Load

Profiling the Kernel and Load Together

Profiling a Specific Process or Kernel Thread

Analyzing a Kernel Profile


Setting Up Your System for Kernel Profiling

Before you can use the er_kernel utility for kernel profiling, you need to set up access to DTrace.

Normally, DTrace is restricted to user root. To run er_kernel utility as a user other than root, you must have specific privileges assigned, and be a member of group sys. To assign the necessary privileges, add the following line to the file /etc/user_attr:


To add yourself to the group sys, add your user name to the sys line in the file /etc/group.