RFR (XS): 6733980 par compact - TraceGen1Time always shows 0.0000 seconds

[Thomas Schatzl]

Hi all,

  please review this change that fixes wrong output. If TraceGen1Time is
enabled and parallel compact is used, the output always shows 0.00
seconds.

It's a one-line change.

Webrev:
http://cr.openjdk.java.net/~tschatzl/6733980/webrev/


JIRA:
https://jbs.oracle.com/bugs/browse/JDK-6733980

CR:
http://bugs.sun.com/view_bug.do?bug_id=6733980


Test:
jprt, local runs of dacapo benchmarks with -XX:+TraceGen1Time and -XX:
+UseParallelOldGC and -XX:+UseParallelGC -XX:-UseParallelOldGC showing
nonzero gen1 times after this fix.