RFR: JDK-8153187: Convert TraceWorkGang to use unified logging

[Thomas Schatzl]

Hi Bengt,

On Thu, 2016-03-31 at 14:30 +0200, Bengt Rutisson wrote:
> Hi everyone,
> 
> Could I have a couple of reviews for this change?
> 
> http://cr.openjdk.java.net/~brutisso/8153187/webrev.00/
> https://bugs.openjdk.java.net/browse/JDK-8153187
> 
> The logging guarded by TraceWorkGang should be converted to use the 
> unified logging framework.
> 
> The logging now has this format:
> 
[...]

- workgroup.cpp: if you care, please update the copyright.

- workgroup.cpp:43:
  43   log_develop_trace(gc, workgang)("Constructing work gang %s with
%d threads", name(), total_workers());


%d should be %u (pre-existing).

I do not need a re-review for these changes.

Thanks,
  Thomas