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The cpustat utility could fail with "cannot access performance counters - Operation not applicable" (Doc ID 1432484.1)

Last updated on AUGUST 29, 2019

Applies to:

Solaris Operating System - Version 10 8/11 U10 to 10 8/11 U10 [Release 10.0]
Oracle Solaris on x86 (32-bit)
Oracle Solaris on x86-64 (64-bit)
Oracle Solaris on SPARC (64-bit)


On Solaris 10 update 10 (08/11 release), the cpustat utility could fail with error "cannot access performance counters - Operation not applicable", if /usr and / are two separate partitions.   


To verify the issue:

1.  Check cpustat output



The cpustat error can occur with these two conditions:

1. when you upgrade to Solaris 10 kernel update, such as KU 144500-19/147440-XX (Sparc) or KU 144501-19/147441-XX (X86), AND

2. when the /usr is mounted in a separate partition from /


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