RFR: Control loop should wait before starting another GC cycle

[Zhengyu Gu]

Okay.

-Zhengyu

On 10/30/2017 07:26 AM, Aleksey Shipilev wrote:
> http://cr.openjdk.java.net/~shade/shenandoah/concthread-wait/webrev.01/
> 
> Following up on some test timeouts on our large test servers. It seems that running with
> "aggressive" on lots of CPUs and small heap occupancy stalls single-threaded workloads enough for
> them to timeout. So, it makes sense to make the interval between successive GC cycles. We currently
> have one, but it only applies to idle phases. The change above does it on all paths.
> 
> Testing: hotspot_gc_shenandoah {fastdebug|release}
> 
> Thanks,
> -Aleksey
>