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

[Aleksey Shipilev]

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

>From the RFE description:

> Before committing a patch, we should measure how much additional native memory is being used. 

So, how much?

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PR Review: https://git.openjdk.org/jdk/pull/14147#pullrequestreview-1444070451