> MonitoringSupport_lock is initialized only when UseG1GC is true, but > [JDK-8304074](https://bugs.openjdk.org/browse/JDK-8304074) uses it to > implement getTotalThreadAllocatedBytes, which is available for all garbage > collectors. While the current code sets UseG1GC regardless of which collector > is specified, see FLAG_SET_ERGO_IF_DEFAULT(UseG1GC, true) in gcConfig.cpp, if > G1 isn't included in the Hotspot build or Hotspot is not running on a server > class machine (unlikely these days), the lock will not be initialized. The > lock's initialization should be unconditional. > > I updated ThreadAllocatedMemory.java to run the test using both G1 and Serial > collectors.
Paul Hohensee has updated the pull request incrementally with one additional commit since the last revision: 8313081: MonitoringSupport_lock should be unconditionally initialized after 8304074 ------------- Changes: - all: https://git.openjdk.org/jdk/pull/15028/files - new: https://git.openjdk.org/jdk/pull/15028/files/e84cb69c..f83eccf7 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=15028&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15028&range=00-01 Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/15028.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/15028/head:pull/15028 PR: https://git.openjdk.org/jdk/pull/15028
