git: openjdk/jdk25u: master: 8365956: GenShen: Adaptive tenuring threshold algorithm may raise threshold prematurely

[Aleksey Shipilev]

Changeset: c66d45ab
Branch: master
Author:    William Kemper <wkemper at openjdk.org>
Committer: Aleksey Shipilev <shade at openjdk.org>
Date:      2025-10-07 06:01:53 +0000
URL:       https://git.openjdk.org/jdk25u/commit/c66d45ab91d3bdd1b30b75b3946e2d115dace88a

8365956: GenShen: Adaptive tenuring threshold algorithm may raise threshold prematurely

Reviewed-by: phh, kdnilsen
Backport-of: 7fcce27096605a27ca3b74349d1012bb0bd5963d

! src/hotspot/share/gc/shenandoah/heuristics/shenandoahGenerationalHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahGlobalHeuristics.cpp
! src/hotspot/share/gc/shenandoah/heuristics/shenandoahYoungHeuristics.cpp
! src/hotspot/share/gc/shenandoah/shenandoahAgeCensus.cpp
! src/hotspot/share/gc/shenandoah/shenandoahAgeCensus.hpp
! src/hotspot/share/gc/shenandoah/shenandoahCollectionSet.cpp
! src/hotspot/share/gc/shenandoah/shenandoahGeneration.cpp
! src/hotspot/share/gc/shenandoah/shenandoahGenerationalEvacuationTask.cpp
! src/hotspot/share/gc/shenandoah/shenandoahGenerationalEvacuationTask.hpp
! src/hotspot/share/gc/shenandoah/shenandoahGenerationalFullGC.cpp
! src/hotspot/share/gc/shenandoah/shenandoahGenerationalFullGC.hpp
! src/hotspot/share/gc/shenandoah/shenandoahGenerationalHeap.cpp
! src/hotspot/share/gc/shenandoah/shenandoahGenerationalHeap.hpp
+ src/hotspot/share/gc/shenandoah/shenandoahGenerationalHeap.inline.hpp
+ test/hotspot/gtest/gc/shenandoah/test_shenandoahAgeCensus.cpp