RFR (S/M): 8155094: Add logging for long lasting methods found in JDK-8152948

[Kim Barrett]

> On Mar 6, 2017, at 8:52 AM, Thomas Schatzl <thomas.schatzl at oracle.com> wrote:
> 
> Hi,
> 
> On Mon, 2017-03-06 at 14:46 +0100, Thomas Schatzl wrote:
>>  Hi Kim,
>>  
>>    thanks for your review.
> [...]
> 
> 
>   I forgot to add the links to the new webrevs:
> 
> http://cr.openjdk.java.net/~tschatzl/8155094/webrev.0_to_1/ (incrementa
> l)
> 
> http://cr.openjdk.java.net/~tschatzl/8155094/webrev.1/ (full)
> 
> Thanks,
>   Thomas

I take it you decided not to undo (some of) the start_new_collection_set() change?

Assuming that was intentional, looks good.