hg: jdk9/hs/hotspot: 8165292: The gc+task logging is repeated a lot, decreasing the usefulness of -Xlog:gc*=info

[thomas.schatzl at oracle.com]

Changeset: 6d3c44100184
Author:    tschatzl
Date:      2016-09-07 09:20 +0200
URL:       http://hg.openjdk.java.net/jdk9/hs/hotspot/rev/6d3c44100184

8165292: The gc+task logging is repeated a lot, decreasing the usefulness of -Xlog:gc*=info
Summary: Separate number of workers used debugging information from adaptive worker sizing log messages.
Reviewed-by: ehelin, sjohanss, jmasa

! src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp
! src/share/vm/gc/cms/parNewGeneration.cpp
! src/share/vm/gc/g1/g1CollectedHeap.cpp
! src/share/vm/gc/g1/g1ConcurrentMark.cpp
! src/share/vm/gc/shared/workgroup.hpp
+ test/gc/TestNumWorkerOutput.java