RFR: 8307057 JFR: Enable -XX:+DebugNonSafepoints when JFR starts

[Andrei Pangin]

On Thu, 25 May 2023 10:35:01 GMT, Erik Gahlin <egahlin at openjdk.org> wrote:

> Could I have review of a change that enables DebugNonSafepoints when JFR starts.
> 
> Testing: tier1, tier2, tier3, tier4
> 
> Thanks
> Erik

If the memory overhead is not too big, why not just making `DebugNonSafepoints=true` by default? This well help other tools like async-profiler and will eliminate the problem of missing debug info when attaching profiler or JFR at runtime.

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PR Comment: https://git.openjdk.org/jdk/pull/14147#issuecomment-1563106849