RFR(S) 8212127: Cleanup TLAB fast refill statistics, perf counters and etc.

[zgu at redhat.com]

Thanks, Per.
> > Thanks for cleaning this up. GC changes look good. Just one minor
> > thing, 
> > please align the assignment here:
> > 
> > @@ -147,8 +145,7 @@
> > 
> >   void ThreadLocalAllocBuffer::reset_statistics() {
> >     _number_of_refills = 0;
> > -  _fast_refill_waste = 0;
> > -  _slow_refill_waste = 0;
> > +  _refill_waste = 0;
> >     _gc_waste          = 0;
> >     _slow_allocations  = 0;
> >     _allocated_size    = 0;
> > 
> > 
> 
> Updated: http://cr.openjdk.java.net/~zgu/JDK-8212127/webrev.01/
> 
> -Zhengyu
> 
> > 
> > I agree that Serviceability should ack the jstat change.
Ping, anyone from Serviceability!

Thanks,

-Zhengyu


> > 
> > cheers,
> > Per