HPE Gen9 Server CPU Utilization Will Display Incorrectly in API

[amirgilan]

Hi dear friends.
I think HPE Gen9 Server CPU Utilization Will Display Incorrectly in API request.

I use This API for checking CPU utilization on ILO4:

ILO4:
https://ilo_ip/redfish/v1/Chassis/1/Power/PowerMeter/   

        {
            "AmbTemp": 16,
            "Average": 282,
            "Cap": 0,
            "CpuAvgFreq": 1789,
            "CpuCapLim": 100,
            "CpuMax": 306,
            "CpuPwrSavLim": 73,
            "CpuUtil": 692,
            "Minimum": 259,
            "Peak": 348,
            "PrMode": "dyn",
            "PunCap": false,
            "Time": "2022-04-26T12:00:22Z",
            "UnachCap": false
        },

as you can see, I see a  "CpuUtil": 692, more than 100 percent!! How this generated, and why is this more than 100 percent? I check this for more than 30 gen9 servers. In gen10 servers I used the API below and it works correctly, 
ILO5:
https://ilo_ip /redfish/v1/systems/1/
Also, I see the difference CPU utilization consume in OneView and ILO 4 API
How this number generated in API? Should I change or calculated number with CPU core?

https://hewlettpackard.github.io/ilo-rest-api-docs/ilo4/#powerdetail-array-item-cpuutil
PowerDetail[array-item].CpuUtil

[support_s]

System recommended content:

1. Advisory: (Revision) HPE OneView - HPE Gen10 Server CPU Utilization and CPU Frequency Speed Will Display Incorrectly in OneView

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Thank you for being a HPE valuable community member.

[Suman_1978]

Hi,

If I am not wrong, this is the CPU Power Utilization metric.  Not the CPU Utilization/Performance as in Windows OS.

HP RESTful API Data Model Reference for iLO 4.  Page@128-130

Thank You!
I work with HPE but opinions expressed here are mine.
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[amirgilan]

Thank you Suman, 
I used this metric for ILO5 too and it's work correctly and HPE Oneview use these metric too.
As you can see in link bellow HPE use this api for cpu utlization:
https://support.hpe.com/hpesc/public/docDisplay?docId=a00046004en_us
But if  it is a different value, could you help me to distinguish how HPE oneview shows CPU utilization for ILO4?
which API they use? 

Thanks

[AmRa]

Hi

Use below API RestAPI calls to retrieves historical utilization data for the specified resource, metrics, and time span.

Get most recent 24-hour CPU Utilization & Frequency data for server USE7335NW3 (endDate should be present time):

Request
GET https://{appl}/rest/server-hardware/USE7335NW3/utilization?fields=CpuUtilization&fields=CpuAverageFreq&filter=endDate=20120403T113000.000Z

Auth: abcdefghijklmnopqrstuvwxyz012345
X-Api-Version: 2000

Get 24-hour data for server USE7335NW3 between two specified dates at one sample per hour resolution:

Request
GET https://{appl}/rest/server-hardware/USE7335NW3/utilization?fields=CpuUtilization&view=hour&filter=startDate=20120401T202800.000Z&filter=endDate=20120402T202800.000Z

Auth: abcdefghijklmnopqrstuvwxyz012345
X-Api-Version: 2000

[amirgilan]

Thanks AmRa, But I would like to use ILO4 API for cpu utilization, I would like to know how HPE Oneview use ILO API for getting cpu utlization.