Integrated: 8330577: G1 sometimes sends jdk.G1HeapRegionTypeChange for non-changes

[Thomas Schatzl]

On Fri, 24 May 2024 11:26:57 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this change that avoids posting Free->Free and Old->Old region transitions in JFR.
> 
> The reason for these could have been:
>   * Free->Free: heap shrinking and full gc
>   * Old->Old: heap shrinking, full gc or evacuation failure in an old region
> 
> Parts of this change has been contributed by @ansteiner , crediting him for this (the first commit).
> 
> Testing: tier1-3, tier5, all "detailed" JFR test cases
> 
> Thanks,
>   Thomas

This pull request has now been integrated.

Changeset: 72fbfe18
Author:    Thomas Schatzl <tschatzl at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/72fbfe18cb20274bab2057f3d67920e0c86c5793
Stats:     112 lines in 2 files changed: 110 ins; 0 del; 2 mod

8330577: G1 sometimes sends jdk.G1HeapRegionTypeChange for non-changes

Co-authored-by: Andreas Steiner <asteiner at openjdk.org>
Reviewed-by: ayang, asteiner

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

PR: https://git.openjdk.org/jdk/pull/19389