RFR: 8266936: Add a finalization JFR event [v18]

Markus Grönlund mgronlun at openjdk.java.net
Sat Oct 16 15:24:52 UTC 2021

> Greetings,
> Object.finalize() was deprecated in JDK9. There is an ongoing effort to replace and mitigate Object.finalize() uses in the JDK libraries; please see https://bugs.openjdk.java.net/browse/JDK-8253568 for more information. 
> We also like to assist users in replacing and mitigating uses in non-JDK code.
> Hence, this changeset adds a periodic JFR event to help identify which classes are overriding Object.finalize().
> Thanks
> Markus

Markus Grönlund has updated the pull request incrementally with one additional commit since the last revision:

  ThreadBlockInVM instead of ThreadToNativeFromVM for sampling exclusion


  - all: https://git.openjdk.java.net/jdk/pull/4731/files
  - new: https://git.openjdk.java.net/jdk/pull/4731/files/9b418149..d10eb309

 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=4731&range=17
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=4731&range=16-17

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4731.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4731/head:pull/4731

PR: https://git.openjdk.java.net/jdk/pull/4731

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