RFR: 8157023: Integrate NMT with JFR [v2]

[Thomas Stuefe]

On Fri, 2 Dec 2022 17:54:52 GMT, Jean-Philippe Bempel <jpbempel at openjdk.org> wrote:

> 
> Also some are so desperate to get NMT stats/metrics dynamically: https://github.com/mcabaj/nmt-metrics https://github.com/opentable/otj-jvm/blob/master/src/main/java/com/opentable/jvm/Nmt.java
> 
> I think I have also seen published as JMX MBean

SapMachine can generate it dynamically on low error situations. https://github.com/SAP/SapMachine/wiki/SapMachine-High-Memory-Reports

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