RFR 8232759: Remove or simplify GC.class_stats

[coleen.phillimore at oracle.com]

On 1/8/20 12:55 AM, David Holmes wrote:
> Hi Coleen,
>
> On 8/01/2020 10:23 am, coleen.phillimore at oracle.com wrote:
>> Summary: Make the GC.class_stats option obsolete
>>
>> open webrev at 
>> http://cr.openjdk.java.net/~coleenp/2019/8232759.01/webrev
>> bug link https://bugs.openjdk.java.net/browse/JDK-8232759
>
> The fan out from that was larger than I was expecting :)

Yes.  If we wanted such a thing to affect all metadata classes like 
this, there is metaspace_pointers_do() now that should be used instead.
>
> Change appears fine. May I suggest updating the bug to get rid of the 
> "or simplify" part.

Ok.
Thanks!
Coleen
>
> Thanks,
> David
>
>> Tested with tier1 on all Oracle platforms and tier2,3 on 
>> linux-x64-debug.
>>
>> Thanks,
>> Coleen
>>