RFR: 8333290: NMT report should not print Metaspace info if Metaspace is not yet initialized

[Thomas Stuefe]

On Fri, 31 May 2024 15:42:57 GMT, Stefan Karlsson <stefank at openjdk.org> wrote:

>> Somewhat trivial fix to a small initialization problem ubsan uncovered. 
>> 
>> If hs-err file gets dumped after NMT initialization but before Metaspace initialization, we may see secondary crashes during error log writing, since NMT reports contain metaspace counters, and those are not ready yet. We should omit that info if metaspace has not yet been initialized.
>> 
>> (See prior discussions in https://github.com/openjdk/jdk/pull/19435)
>
> Thanks for fixing it this way. Looks good. A question about a nit below:

Thanks @stefank and @dholmes-ora !

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PR Comment: https://git.openjdk.org/jdk/pull/19493#issuecomment-2143356994