RFR: 8277450: Record number of references into collection set during gc

[Ivan Walulya]

On Tue, 23 Nov 2021 13:55:41 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   could I have reviews for this change that adds logging for the number of heap roots found and pushed onto the task queues from the scanned cards? This can help with finding a good card size.
> 
> Thanks,
>   Thomas

lgtm!

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Marked as reviewed by iwalulya (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/6519