RFR: 8326205: Grouping frequently called C2 nmethods in CodeCache

[Chad Rakoczy]

On Thu, 11 Dec 2025 15:08:19 GMT, Andrew Haley <aph at openjdk.org> wrote:

> Thanks.
> 
> I need to stress test this code, especially by moving nmethods as much as possible while many threads are executing. Is one of the stress tests here suitable for that?

I created `test/hotspot/jtreg/compiler/hotcodegrouper/StressHotCodeGrouper.java`. It generates many nmethods and calls them while the grouper continuously runs.

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PR Comment: https://git.openjdk.org/jdk/pull/27858#issuecomment-3648439296