RFR (S) 8135152: Create a G1ParScanThreadStateSet class for managing G1 GC per thread states

[Mikael Gerdin]

All,

On 2015-09-07 17:08, Mikael Gerdin wrote:
> Hi all,
>
> I'd like to move management of the G1ParScanThreadState instances into a
> ParScanThreadStateSet class, similar to how ParNew works.
>
> This first change simply moves the code for allocation/deallocation
> and flushing of stats from the par scan thread state to the state set
> object.
>
> There is another change coming (8135154) where some additional stats and
> counters are moved from other ad-hoc locations to the par scan thread
> state set.
>
> Webrev: http://cr.openjdk.java.net/~mgerdin/8135152/webrev.0/

I got some feedback that moving all the flushing code to the pss set was 
not particularly pretty, I agree with that statement and I've created a 
flush method on the per thread state which is then called from the pss 
set flush method to make the flushing process more explicit.

Incremental webrev: 
http://cr.openjdk.java.net/~mgerdin/8135152/webrev.0_to_1/
Full webrev: http://cr.openjdk.java.net/~mgerdin/8135152/webrev.1/

/Mikael


> Bug: https://bugs.openjdk.java.net/browse/JDK-8135152
>
> Testing: JPRT
>
> /Mikael