After upgrading from RHEL 5 to RHEL 6, CPU usage is increased.
Issue
- A system running idle or at low load is showing higher CPU use under a RHEL 6 kernel than under a RHEL 5 kernel.
- Concerns about CPU load capacity of a RHEL 6 kernel versus a RHEL 5 kernel.
Environment
- Red Hat Enterprise Linux
- 5.x
- 6.x
- Applications originally benchmarked against Red Hat Enterprise Linux 5
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