RFR: 8298377: JfrVframeStream causes deadlocks in ZGC

[Stefan Karlsson]

On Mon, 12 Dec 2022 01:16:00 GMT, David Holmes <dholmes at openjdk.org> wrote:

> Any events triggered from the GC internals could potentially try to do things with Java objects that are not permitted given the current state of the GC. This seems like a general problem that the JFR event mechanism needs to resolve.

FWIW, we have had other problems when sending JFR events from GC internals. So far, the JFR team has found solutions to deal with those issues.

@pron @mgronlund @egahlin do you have a suggestion on how to move forward with this issue?

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PR: https://git.openjdk.org/jdk/pull/11586