[jdk21u-dev] RFR: 8343205: CompileBroker::possibly_add_compiler_threads excessively polls available memory

[Paul Hohensee]

On Mon, 4 Nov 2024 18:07:40 GMT, Martin Doerr <mdoerr at openjdk.org> wrote:

> Almost clean backport of [JDK-8343205](https://bugs.openjdk.org/browse/JDK-8343205). I have included `get_c1_thread_count()` and `get_c2_thread_count()` from [JDK-8317562](https://bugs.openjdk.org/browse/JDK-8317562) (see 2nd commit).

Marked as reviewed by phh (Reviewer).

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PR Review: https://git.openjdk.org/jdk21u-dev/pull/1123#pullrequestreview-2414315627