RFR: 8191861: Move and refactor hSpaceCounters

[Stefan Karlsson]

Thanks, Per!

StefanK

On 2017-11-24 15:05, Per Liden wrote:
> Looks good!
> 
> /Per
> 
> On 2017-11-24 14:38, Stefan Karlsson wrote:
>> Hi all,
>>
>> Please review this patch to move and refactor HSpaceCounters.
>>
>> http://cr.openjdk.java.net/~stefank/8191861/webrev.01
>> https://bugs.openjdk.java.net/browse/JDK-8191861
>>
>> The patch moves hSpaceCounters.hpp/cpp out from gc/g1 into gc/shared, so
>> that it can be reused by other GCs.
>>
>> The patch also removes the dependency between HSpaceCounters and
>> GenerationCounters. The passed in GenerationCounters object was only
>> used to provide the name_space of the perf counter. This patch changes
>> G1 to explicitly pass in the name_space string instead of the
>> GenerationCounters.
>>
>> This patch builds upon these two patches:
>>
>> http://mail.openjdk.java.net/pipermail/hotspot-dev/2017-November/029267.html 
>>
>>
>>
>> http://mail.openjdk.java.net/pipermail/hotspot-dev/2017-November/029268.html 
>>
>>
>>
>> Thanks,
>> StefanK