hg: jdk/submit: 8244733: Add ResourceHashtable::compute_if_absent; ...

[thomas.stuefe at gmail.com]

Changeset: 1beec26c022d
Author:    stuefe
Date:      2020-05-16 13:54 +0200
URL:       https://hg.openjdk.java.net/jdk/submit/rev/1beec26c022d

8244733: Add ResourceHashtable::compute_if_absent
* * *
8244777: Reduce ClassLoaderStats VM Operation runtime

! src/hotspot/share/classfile/bytecodeAssembler.cpp
! src/hotspot/share/classfile/classLoaderStats.cpp
! src/hotspot/share/classfile/classLoaderStats.hpp
! src/hotspot/share/classfile/systemDictionaryShared.cpp
! src/hotspot/share/jfr/periodic/jfrPeriodic.cpp
! src/hotspot/share/utilities/resourceHash.hpp
! test/hotspot/gtest/utilities/test_resourceHash.cpp