git: openjdk/jdk: master: 2 new changesets

[Markus Grönlund]

Changeset: 955bfcd5
Branch: master
Author:    Markus Grönlund <mgronlun at openjdk.org>
Date:      2025-06-04 08:19:24 +0000
URL:       https://git.openjdk.org/jdk/commit/955bfcd5502b3555c2c91db876be8e7535f2289a

8357671: JFR: Remove JfrTraceIdEpoch synchronizing

Reviewed-by: egahlin

! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp
! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.hpp
! src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.cpp
! src/hotspot/share/jfr/recorder/checkpoint/types/traceid/jfrTraceIdEpoch.hpp
! src/hotspot/share/jfr/recorder/service/jfrRecorderService.cpp
! src/hotspot/share/jfr/recorder/stringpool/jfrStringPool.cpp
! src/jdk.jfr/share/classes/jdk/jfr/internal/StringPool.java

Changeset: b6d60280
Branch: master
Author:    Markus Grönlund <mgronlun at openjdk.org>
Date:      2025-06-04 08:20:48 +0000
URL:       https://git.openjdk.org/jdk/commit/b6d60280e789436c7f9e3cd1447c8f77b77e77b4

8358429: JFR: minimize the time the Threads_lock is held for sampling

Reviewed-by: egahlin

+ src/hotspot/share/jfr/periodic/sampling/jfrSampleMonitor.hpp
! src/hotspot/share/jfr/periodic/sampling/jfrSampleRequest.hpp
! src/hotspot/share/jfr/periodic/sampling/jfrThreadSampler.cpp
! src/hotspot/share/jfr/periodic/sampling/jfrThreadSampling.cpp