git: openjdk/jdk15u-dev: 8257621: JFR StringPool misses cached items across consecutive recordings

[Ekaterina Vergizova]

Changeset: 9691c4e8
Author:    Ekaterina Vergizova <evergizova at openjdk.org>
Date:      2021-06-04 11:46:51 +0000
URL:       https://git.openjdk.java.net/jdk15u-dev/commit/9691c4e86beb8bab2f3ee6c1c963c34e1d29fc13

8257621: JFR StringPool misses cached items across consecutive recordings

Reviewed-by: yan
Backport-of: 7aac4dc17573b7df2af8aa3d1f01add56b30ad02

! src/hotspot/share/jfr/jni/jfrJniMethod.cpp
! src/hotspot/share/jfr/jni/jfrJniMethod.hpp
! src/hotspot/share/jfr/jni/jfrJniMethodRegistration.cpp
! src/hotspot/share/jfr/recorder/checkpoint/jfrCheckpointManager.cpp
! 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/hotspot/share/jfr/recorder/stringpool/jfrStringPool.hpp
+ src/hotspot/share/jfr/utilities/jfrSignal.hpp
! src/jdk.jfr/share/classes/jdk/jfr/internal/EventWriter.java
! src/jdk.jfr/share/classes/jdk/jfr/internal/JVM.java
! src/jdk.jfr/share/classes/jdk/jfr/internal/StringPool.java