RFR: 8157023: Integrate NMT with JFR

[Stefan Johansson]

On Fri, 2 Dec 2022 10:51:15 GMT, Erik Gahlin <egahlin at openjdk.org> wrote:

> > I still would argue for leaving out reserved, but won't press the point. If you and other reviewers think its useful, lets report it.
> 
> If we feel the events or some fields are not mature, we could mark them experimental. For the events to be emitted, users will need to pass a command line flag, so I think 99% of all users will never enable them. I think these events will be mostly useful for Hotspot developers and support engineers.

For experimental events I think they are emitted as normal events, just not show by default in JMC, right?

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PR: https://git.openjdk.org/jdk/pull/11449