8005875: G1: Kitchensink fails with ParallelGCThreads=0
Summary: Check that the concurrent marking worker gang exists in ConcurrentMark::print_worker_threads_on(). Changes were also reviewed by Vitaly Davidovich <vitalyd@gmail.com>.
Reviewed-by: brutisso
mikael [Fri, 01 Feb 2013 17:21:53 -0800] rev 15488
8007257: NPG: metaspace.cpp: Incorrect arguments in calls to err_msg
Summary: Fix size checks in assert and corrected some print formats. Also reviewed by vitalyd@gmail.com.
Reviewed-by: coleenp, sspitsyn