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Oracle VM: 'ksoftirqd' Processes Utilizing High CPU on Oracle VM Server/dom0 (Doc ID 2571455.1)

Last updated on MARCH 05, 2020

Applies to:

Oracle VM - Version 3.4.5 and later
Linux x86-64

Symptoms

By running top on an Oracle VM Server Host various ksoftirqd processes with high cpu consumption can be found

zzz ***Wed May 22 16:00:05 AST 2019
top - 16:00:06 up 322 days, 16:28, 1 user, load average: 8.07, 8.12, 8.13
Tasks: 665 total, 9 running, 656 sleeping, 0 stopped, 0 zombie
Cpu(s): 0.1%us, 1.2%sy, 0.0%ni, 59.6%id, 0.0%wa, 0.0%hi, 39.0%si, 0.0%st
Mem: 2844996k total, 2674268k used, 170728k free, 259464k buffers
Swap: 4194300k total, 25036k used, 4169264k free, 1622348k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
3 root 20 0 0 0 0 R 100.0 0.0 78747:16 ksoftirqd/0
22 root 20 0 0 0 0 R 100.0 0.0 58298:43 ksoftirqd/2
29 root 20 0 0 0 0 R 100.0 0.0 69006:18 ksoftirqd/3
57 root 20 0 0 0 0 R 100.0 0.0 70446:25 ksoftirqd/7
92 root 20 0 0 0 0 R 100.0 0.0 65354:19 ksoftirqd/12
99 root 20 0 0 0 0 R 100.0 0.0 61364:46 ksoftirqd/13
141 root 20 0 0 0 0 R 100.0 0.0 176463:08 ksoftirqd/19
85 root 20 0 0 0 0 R 99.9 0.0 59535:43 ksoftirqd/11

 

Changes

No changes

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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