RFR: 8307348 - Parallelize heap walk for ObjectCount(AfterGC) JFR event collection [v7]

[olivergillespie]

On Mon, 8 May 2023 08:18:46 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

>> Sorry, I don't think I understand the suggestion. Are you suggesting to use WithActiveWorkers only for the heap inspection VM op, and workers->active_workers() everywhere else (for the collector use-case)?
>> 
>>> The problem is that one heap inspection VM operation. Maybe put the WithActiveWorkers there
>> 
>> This area *is* that one heap inspection VM operation, isn't it?
>
> You are right, I misread the code. Ignore my comment :) Ship it.

Cool, thanks for reviewing :)

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

PR Review Comment: https://git.openjdk.org/jdk/pull/13774#discussion_r1187650940