RFR: 8358619: Fix interval recomputation in CPU Time Profiler

[Johannes Bechberger]

On Thu, 12 Jun 2025 09:27:30 GMT, Johannes Bechberger <jbechberger at openjdk.org> wrote:

> Fixes the recomputation issue by passing either the rate or the period directly to the sampler (instead of just the rate value with the period value converted into a rate). This prevents issues when the number of cores changes during the JFR recording.

I totally forgot the old reasoning on the name. I dropped the renaming of the class.

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PR Comment: https://git.openjdk.org/jdk/pull/25775#issuecomment-3056693663