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How to Analyze High CPU Utilization In Solaris (Doc ID 1008930.1)

Last updated on OCTOBER 19, 2024

Applies to:

Solaris Operating System - Version 8 and later
All Platforms

Purpose

High system (kernel) time can effect the system performance negatively.

When the cpu starts spending the majority of its time in running kernel code, it triggers performance problems ranging from slow interactive response, database time-outs, cluster fail-over due to heart beat detection failure or slow network etc. A number of events mainly responsible for triggering high kernel overhead are discussed in this document.

Troubleshooting Steps

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