RFR: 8322489 : 22-b27: Up to 7% regression in all Footprint3-*-G1/ZGC

[Erik Gahlin]

On Thu, 21 Dec 2023 20:11:42 GMT, Markus Grönlund <mgronlun at openjdk.org> wrote:

> Greetings,
> 
> A footprint regression was accidentally introduced with [JDK-8211238](https://bugs.openjdk.org/browse/JDK-8211238).
> 
> A small part of the JFR system had to be initialized early to support the functionality. We later decided that we only support this functionality iff the system is started with -XX:StartFlightRecording on the command-line.
> 
> This PR will adjust to only perform early initialization under this premise.
> 
> Testing: jdk_jfr
> 
> Thanks
> Markus

Marked as reviewed by egahlin (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/17179#pullrequestreview-1793687339