On Tue, 18 May 2021 20:55:10 GMT, Brent Christian <bchri...@openjdk.org> wrote:
> Please review this enhancement to add a new JFR event, generated whenever a > finalizer is run. > (The makeup is similar to the Deserialization event, > [JDK-8261160](https://bugs.openjdk.java.net/browse/JDK-8261160).) > > The event's only datum (beyond those common to all jfr events) is the class > of the object that was finalized. > > The Category for the event: > `"Java Virtual Machine" / "GC" / "Finalization"` > is what made sense to me, even though the event is generated from library > code. > > Along with the new regtest, I added a run mode to the basic finalizer test to > enable jfr. > Automated testing looks good so far. > > Thanks, > -Brent test/jdk/jdk/jfr/event/gc/finalization/TestFinalizerEvent.java line 48: > 46: > 47: public class TestFinalizerEvent { > 48: static boolean finalizerRun = false; Should not this be a `volatile` field? (Or alternatively, using `AtomicBoolean`). As the `finalize` is invoked on the finalizer thread, the other thread executing the test might not see the change. ------------- PR: https://git.openjdk.java.net/jdk/pull/4101