RHEL7.9: %sys CPU utilization is higher since 1160.80.1 as compared to 1160.76.1 kernel.
Issue
- %sys CPU utilization is doubled
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3.10.0-1160.80.1.el7.x86_64
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Average: CPU %usr %nice %sys %iowait %steal %irq %soft %guest %gnice %idle
Average: all 37.23 0.00 55.53 0.37 0.00 0.00 2.62 0.00 0.00 4.24
Average: 0 38.16 0.00 53.09 0.25 0.00 0.00 3.97 0.00 0.00 4.53
Average: 1 46.27 0.00 44.73 0.25 0.00 0.00 4.49 0.00 0.00 4.26
Average: 2 28.59 0.00 66.69 0.47 0.00 0.00 0.25 0.00 0.00 4.00
Average: 3 39.20 0.00 53.30 0.08 0.00 0.00 3.40 0.00 0.00 4.02
Average: 4 38.78 0.00 52.80 0.12 0.00 0.00 3.34 0.00 0.00 4.97
Average: 5 32.44 0.00 62.54 1.04 0.00 0.00 0.27 0.00 0.00 3.72
3.10.0-1160.76.1.el7.x86_64
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Average: CPU %usr %nice %sys %iowait %steal %irq %soft %guest %gnice %idle
Average: all 37.64 0.00 26.92 0.17 0.00 0.00 2.91 0.00 0.00 32.37
Average: 0 35.08 0.00 29.85 0.14 0.00 0.00 0.51 0.00 0.00 34.42
Average: 1 37.02 0.00 26.32 0.24 0.00 0.00 5.47 0.00 0.00 30.94
Average: 2 40.47 0.00 24.73 0.15 0.00 0.00 3.91 0.00 0.00 30.73
Average: 3 34.60 0.00 30.46 0.21 0.00 0.00 0.33 0.00 0.00 34.41
Average: 4 38.57 0.00 24.98 0.12 0.00 0.00 3.53 0.00 0.00 32.79
Average: 5 40.07 0.00 25.17 0.14 0.00 0.00 3.68 0.00 0.00 30.95
Environment
- Red Hat Enterprise Linux 7.9
- kernel-3.10.0-1160.80.1.el7 ~ kernel-3.10.0-1160.92.1.el7
- Vmware
- Intel(R) Xeon(R) CPU
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