RFR: 8373429: gc/g1/TestCodeCacheUnloadDuringConcCycle fails on various platforms

[Matthias Baesken]

On Mon, 15 Dec 2025 11:34:55 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   this is hopefully the last fix attempt for the [gc/g1/TestCodeCacheUnloadDuringConcCycle.java](https://github.com/openjdk/jdk/pull/28822/files#diff-6ce99d53ba7ea02f2c7f0e878f937acecbd64f3c9a6edebcef79d10983cf3c28) test that proves to be fairly unstable across some platforms.
> 
> The change adds more classes/code to be compiled during the test to fill the code cache faster, and more consistently exercise the code cachec loading.
> 
> I also opted to revert the change from https://bugs.openjdk.org/browse/JDK-8372860 because it (unsuccessfully) tried the same method. There is no need to prolong the test any more.
> 
> Testing: gha
> 
> Thanks,
>   Thomas

Marked as reviewed by mbaesken (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/28822#pullrequestreview-3582181818