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Hyper-V CPU utilization jumps every 2 hours by System interrupts

Hello

I would like to ask anybody to help me with my issue.

I have four Hyper-V host (Lenovo ThinkSystem SN550 Server 7X16)
with very strange CPU behavior. Every 2-hour CPU on every of them jump up from 3% to 50% by process which called “system interrupts”. It goes on about 2 minutes then CPU utilization became to normal. How can I find out the reason of this strange CPU behavior?

Technical details:

Lenovo ThinkSystem SN550 Server 7X16

Windows 2016

2x Xeon(R) Gold 5120 CPU @ 2.20GHz 

Window and every driver are up to date.

 

As I understood by searching internet “system interrupts” can be anything in my hosts (hardware driver, hardware errors, etc.). When I request support from ibmlenovo they just forward me to Microsoft. But Windows don’t have any tool with can help me trace
this issue.

 

Does anybody know how to investigate this CPU utilization in windows?

 

I will appreciate any help

Denis.

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