Regression Detected in Kepler or kube-apiserver CPU Utilization Performance

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Regression detected from the following reports:

Report: https://sustainable-computing-io.github.io/kepler-metal-ci/kepler-stress-test-metrics.html

Details:
Significant Regression Detected

The test results from the last two days, specifically on 2024-07-31, show a significant increase in both the Mean Kepler CPU Utilization and the Standard Deviation (Std Dev) percentages. Here are the details:

• On 2024-07-31 at 18:18:00Z, the Mean Kepler CPU Utilization was recorded at 0.3280331034%, which is a substantial increase from the previous day's value of 0.0597766338% recorded at 18:15:51Z. This represents an increase of approximately 448% in CPU utilization.
• Additionally, the Std Dev on 2024-07-31 at 18:18:00Z was 0.2598348881%, up from 0.0362022150% on the previous day. This is an increase of over 617% in variability, indicating a less stable CPU performance.

This sharp rise in both CPU utilization and variability suggests a performance regression that could impact the stability and efficiency of the system under test. Further investigation into the causes of this regression is recommended to identify and mitigate any underlying issues.