RFR: 8355003: Implement JEP 515: Ahead-of-Time Method Profiling [v25]

[Vladimir Kozlov]

On Tue, 27 May 2025 21:57:11 GMT, Igor Veresov <iveresov at openjdk.org> wrote:

>> Improve warm-up time by making profile data from a previous run of an application instantly available, when the HotSpot Java Virtual Machine starts. Specifically, enhance the [AOT cache](https://openjdk.org/jeps/483) to store method execution profiles from training runs, reducing profiling delays in subsequent production runs.
>> 
>> More details in the JEP: https://bugs.openjdk.org/browse/JDK-8325147
>
> Igor Veresov has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 90 commits:
> 
>  - Merge branch 'master' into pp2
>  - Missing part of the merge
>  - Merge branch 'master' into pp2
>  - Merge branch 'master' into pp2
>  - 8357284: runtime/cds/appcds/aotProfile/AOTProfileFlags.java fails on non-debug platform
>  - 8357283: compiler/debug/TestStressBailout.java hangs when running with AOT cache
>  - Merge branch 'master' into pp2
>  - Address Ioi's comments
>  - Merge branch 'master' into pp2
>  - Address Ioi's comments
>  - ... and 80 more: https://git.openjdk.org/jdk/compare/2e8b195a...ed213368

Re-approved

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Marked as reviewed by kvn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/24886#pullrequestreview-2875268813