7903510: JMH: Add core performance checking tests

[shipilev]

In JMH Core benchmarks, we would like to make sure that every core on the machine is symmetric. This is important for single-threaded benchmarks to make sense.

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Progress

• Change must not contain extraneous whitespace
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Issue

• CODETOOLS-7903510: JMH: Add core performance checking tests (Enhancement - P4)

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