RFR: JDK-8289524: Add JFR JIT restart event [v2]

Tue Jul 5 18:07:20 UTC 2022

On Tue, 5 Jul 2022 13:47:31 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> The JIT compiler restarts (see restart_compiler in NMethodSweeper::sweep_code_cache) would be a helpful addition to the JFR events. Currently we log the JIT stop operations in JFR (EventCodeCacheFull) but no restart.
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Incorporate JIT compiler restart into EventSweepCodeCache

Looks good.

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Marked as reviewed by kvn (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9334