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Exadata 19.3 - CPU Steal Time High In KVM (Doc ID 2742923.1)

Last updated on FEBRUARY 10, 2022

Applies to:

Oracle Exadata Storage Server Software - Version 19.3.0.0.0 and later
Information in this document applies to any platform.

Symptoms

CPU Steal time high in KVM but we don't see high CPU wait event in dom0.

top - 20:02:47 up 13 days, 9:22, 4 users, load average: 11.65, 10.81, 10.98
Tasks: 848 total, 1 running, 298 sleeping, 0 stopped, 0 zombie
%Cpu0 : 70.6 us, 5.9 sy, 0.0 ni, 23.5 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu1 : 5.9 us, 0.0 sy, 0.0 ni, 94.1 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu2 : 0.0 us, 5.9 sy, 0.0 ni, 94.1 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu3 : 5.3 us, 5.3 sy, 0.0 ni, 89.5 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu4 : 11.1 us, 5.6 sy, 0.0 ni, 83.3 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu5 : 5.6 us, 0.0 sy, 0.0 ni, 94.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu6 : 5.6 us, 0.0 sy, 0.0 ni, 94.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu7 :100.0 us, 0.0 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu8 : 5.6 us, 0.0 sy, 0.0 ni, 94.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu9 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu10 : 0.0 us, 5.6 sy, 0.0 ni, 94.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu11 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu12 : 0.0 us, 5.9 sy, 0.0 ni, 94.1 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu13 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu14 : 77.8 us, 5.6 sy, 0.0 ni, 16.7 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu15 : 0.0 us, 5.6 sy, 0.0 ni, 94.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu16 : 0.0 us, 5.6 sy, 0.0 ni, 94.4 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu17 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu18 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu19 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu20 : 0.0 us, 0.0 sy, 0.0 ni,100.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st
%Cpu21 : 94.4 us, 5.6 sy, 0.0 ni, 0.0 id, 0.0 wa, 0.0 hi, 0.0 si, 0.0 st

Changes

Customer claim issue started after upgrade from 19.3.3 to 19.3.5

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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