[jdk21u-dev] Integrated: 8319048: Monitor deflation unlink phase prolongs time to safepoint

[Aleksey Shipilev]

On Mon, 18 Mar 2024 09:15:14 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to improve TTSP under heavy monitor deflation, and provide better parity.
> 
> Additional testing:
>  - [x] Ad-hoc benchmarks show TTSP improvements
>  - [x] MacOS AArch64 server fastdebug, `runtime/Monitor` passes
>  - [x] Linux x86_64 server fastdebug, `all`

This pull request has now been integrated.

Changeset: cc918abe
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk21u-dev/commit/cc918abe2f6e6a95c956d4f2a37e77d2f53eab36
Stats:     235 lines in 4 files changed: 221 ins; 0 del; 14 mod

8319048: Monitor deflation unlink phase prolongs time to safepoint

Backport-of: efc392259c64986bbbe880259e95b09058b9076a

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PR: https://git.openjdk.org/jdk21u-dev/pull/369