8204163: Also detect concurrent GCs in MetaspaceBaseGC.java

[Erik Österlund]

Hi Stefan,

Looks good.

Thanks,
/Erik

On 2018-05-31 13:52, Stefan Karlsson wrote:
> Hi all,
>
> Please review this patch to allow MetaspaceBaseGC.java to detect 
> concurrent GC cycles that are started because of Metaspace allocations.
>
> http://cr.openjdk.java.net/~stefank/8204163/webrev.01/
> https://bugs.openjdk.java.net/browse/JDK-8204163
>
> The old code only checked for Full GCs, and now we also match 
> concurrent cycles.
>
> This has been tested with the vmTestbase/metaspace/gc tests with G1, 
> CMS, and Z.
>
> Thanks,
> StefanK