RFR: 8327450: The result of jfr view active-settings is invalid if jfr file is created by JDK 11 or JDK 8

[Long Yang]

On Thu, 7 Mar 2024 00:05:55 GMT, Erik Gahlin <egahlin at openjdk.org> wrote:

> There are no guarantees that values will be emitted within a second. Also, not sure the tool (generally) should support recordings from six year old releases.

Thanks for the review.

Indeed, if the values may not be emitted within a second, this patch is not solid enough. Besides this, there are a few other views can not work correctly if the jfr file is produced by JDK 8 or JDK 11. 

I will close this PR.

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PR Comment: https://git.openjdk.org/jdk/pull/18137#issuecomment-1982207506