sar -u command is reporting 0% idle in Red Hat Enterprise Linux 4

Solution Verified - Updated -

Issue

sar -u command is reporting 0% idle in Red Hat Enterprise Linux 4 while top and iostat are showing 98% idle

sar -u 
Linux 2.6.9-42.ELsmp (XXXXXX)         05/24/10 

04:41:26          CPU     %user     %nice   %system   %iowait     %idle 
04:41:28          all      0.00      0.00      0.00      0.00      0.00 
04:41:30          all    100.00      0.00      0.00      0.00      0.00 
04:41:32          all      8.74      0.00     78.64     12.62      0.00 
04:41:34          all      1.97      0.00     98.03      0.00      0.00 
04:41:36          all      1.97      0.00     95.57      2.46      0.00 
Average:          all      3.53      0.00     92.94      3.53      0.00 

Environment

  • Red Hat Enterprise Linux 4
  • Sysstat-5.0.5-11.rhel4

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.