Integrated: 8365400: Enhance JFR to emit file and module metadata for class loading

[Markus Grönlund]

On Wed, 26 Nov 2025 12:10:55 GMT, Markus Grönlund <mgronlun at openjdk.org> wrote:

> Greetings,
> 
> this enhancement adds a "source" field, label "Source" to the jdk.ClassDefine event.
> 
> To enable this functionality, JFR needs a concurrent symbol table. We can build a simpler version of a concurrent hash table, taking advantage of the JFR epoch system. This will be useful also for planned future enhancements.
> 
> Extensions are made to AOT to consistently report identical canonical paths for classes as non-AOT code paths.
> 
> Testing: jdk_jfr, manual AOT verification, stress testing
> 
> Thanks
> Markus

This pull request has now been integrated.

Changeset: e93b10d0
Author:    Markus Grönlund <mgronlun at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/e93b10d08456f720e303771a882e79660911e1eb
Stats:     1372 lines in 33 files changed: 1035 ins; 162 del; 175 mod

8365400: Enhance JFR to emit file and module metadata for class loading

Reviewed-by: coleenp, egahlin

-------------

PR: https://git.openjdk.org/jdk/pull/28505