RFR: 8330577: If the JFR event jdk.G1HeapRegionTypeChange is enabled, it is also written without region type change

Fri Apr 26 10:40:32 UTC 2024

On Thu, 25 Apr 2024 10:47:39 GMT, Andreas Steiner <asteiner at openjdk.org> wrote:

> Avoid to report jdk.G1HeapRegionTypeChange event if G1 region type is set to free even it is of type free already.

The change is easy to understand. Though I wonder who is the caller that invokes this method on already-freed regions. Is it possible to avoid a call in the caller context so that there is no hidden logic inside this setter?

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PR Comment: https://git.openjdk.org/jdk/pull/18949#issuecomment-2079132775