RFR: 8275338: Add JFR events for notable serialization situations [v3]

[Roger Riggs]

On Tue, 19 Dec 2023 17:41:57 GMT, Raffaello Giulietti <rgiulietti at openjdk.org> wrote:

>> Users (not OpenJDK developers) don't know what the error code means. I think it's better to not have them. This is how other events work. If you want to guard against changes, I would export the package to the test.
>
> What about fixed `String`s rather than `int`s for the kind of error?
> Something like `"SUID_INEFFECTIVE_ON_ENUM"`, and so on?
> It would be nice to be able to use enums, but AFAIK that's not supported in JFR.

You could define them with an Enum but use the ordinal as the value for JFR.

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PR Review Comment: https://git.openjdk.org/jdk/pull/17129#discussion_r1431864329