RFR: JDK-8298035: Provide better descriptions for JIT compiler JFR events [v4]

[Matthias Baesken]

On Wed, 7 Dec 2022 08:12:23 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> Most Compiler related JFR events lack descriptions, see
>> https://sap.github.io/SapMachine/jfrevents/20.html#jvm-compiler
>> 
>> We should add some helpful description texts for these JFR events.
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   adjust description of CompilationFailure

Thanks for the reviews !

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PR: https://git.openjdk.org/jdk/pull/11506