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Make capping happen after scale of the CPU usage in ResourceUtilization #5388

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merged 5 commits into from
Sep 4, 2024

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Weikai1997
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@Weikai1997 Weikai1997 commented Aug 28, 2024

Fixes: #5387
The range of cpuUtilization we calculated from Snapshot in the Calculator is [0, 100*request]. We shouldn't capping the value to 100 in this step.
Instead, we should have the capping after we scale the utilization value to [0,100] by divide GuaranteedCpuUnits in the ResourceUtilization constructor.

Microsoft Reviewers: Open in CodeFlow

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@dotnet-policy-service agree company="Microsoft"

@evgenyfedorov2
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@Weikai1997 thanks for taking care of this.

Could you please also add one or more tests such that they were failing before but won't be failing with your fix?

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@evgenyfedorov2 test added

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👍

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RussKie commented Aug 29, 2024

@Weikai1997 thanks for the submission.
Could you please add more details to the commit message itself as well as to the body of the first post explaining the nature of the changes. That information will go into git history.

@RussKie RussKie added the waiting-author-feedback 📭 The author of this issue needs to respond in order for us to continue investigating this issue. label Aug 29, 2024
@dotnet-policy-service dotnet-policy-service bot removed the waiting-author-feedback 📭 The author of this issue needs to respond in order for us to continue investigating this issue. label Aug 29, 2024
@Weikai1997 Weikai1997 changed the title Fix ResourceUtilization CpuUsedPercentage calculation Make capping happen after scale of the CPU usage in ResourceUtlization Aug 29, 2024
@Weikai1997 Weikai1997 changed the title Make capping happen after scale of the CPU usage in ResourceUtlization Make capping happen after scale of the CPU usage in ResourceUtilization Aug 29, 2024
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@RussKie Updated the PR title and the first post. Please tell me if more details need to add. Thanks

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LGTM

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RussKie commented Aug 29, 2024

We'll merge once the changes are validated and confirmed to have addressed the issue.

@RussKie RussKie added the waiting-author-feedback 📭 The author of this issue needs to respond in order for us to continue investigating this issue. label Sep 2, 2024
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RussKie commented Sep 4, 2024

The change was successfully verified.

@RussKie RussKie merged commit dc1ba70 into dotnet:main Sep 4, 2024
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@RussKie RussKie removed the waiting-author-feedback 📭 The author of this issue needs to respond in order for us to continue investigating this issue. label Sep 4, 2024
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Microsoft.Extensions.Diagnostics.ResourceMonitoring with version >= 8.5.0 has bug on Utilization calculation
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