RFR: 8366847: JFR reports incorrect number of cores on hybrid CPU [v3]

[Erik Gahlin]

On Thu, 2 Oct 2025 07:12:49 GMT, Yasumasa Suenaga <ysuenaga at openjdk.org> wrote:

> So I think it is the most reasonable to set `min_jlong` which already means "N/A".

I don't think using the min_jlong value is the problem, we do that for other event values, but promoting the field to a long value might be too disruptive. It's a value users are likely to extract programmatically.

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PR Comment: https://git.openjdk.org/jdk/pull/27080#issuecomment-3359711876