Integrated: 8357581: [JVMCI] Add HotSpotProfilingInfo

[Doug Simon]

On Thu, 22 May 2025 17:12:34 GMT, Doug Simon <dnsimon at openjdk.org> wrote:

> Graal is adding enhanced logic to detect deoptimization cycles and needs to be able to query a method's decompilation counter (i.e. `MethodData::_compiler_counters._nof_decompiles`).
> This PR adds the `HotSpotProfilingInfo` interface so that such HotSpot-specific profiling info can be accessed.
> The change looks bigger in the GitHub review UI than it really is. I have simply renamed the pre-existing `HotSpotProfilingInfo` private class as `HotSpotProfilingInfoImpl` and repurposed the `HotSpotProfilingInfo` name for the *new* public interface.

This pull request has now been integrated.

Changeset: 2b6b7661
Author:    Doug Simon <dnsimon at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/2b6b7661b949971fe776714795d7dd46ed343cde
Stats:     235 lines in 5 files changed: 17 ins; 194 del; 24 mod

8357581: [JVMCI] Add HotSpotProfilingInfo

Reviewed-by: kvn, never

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PR: https://git.openjdk.org/jdk/pull/25397