1.1 --- a/src/share/vm/runtime/globals.hpp Thu May 12 16:24:44 2011 -0700
1.2 +++ b/src/share/vm/runtime/globals.hpp Thu May 12 19:39:58 2011 -0700
1.3 @@ -1460,8 +1460,10 @@
1.4 product(intx, ParallelGCBufferWastePct, 10, \
1.5 "wasted fraction of parallel allocation buffer.") \
1.6 \
1.7 - product(bool, ParallelGCRetainPLAB, true, \
1.8 - "Retain parallel allocation buffers across scavenges.") \
1.9 + diagnostic(bool, ParallelGCRetainPLAB, false, \
1.10 + "Retain parallel allocation buffers across scavenges; " \
1.11 + " -- disabled because this currently conflicts with " \
1.12 + " parallel card scanning under certain conditions ") \
1.13 \
1.14 product(intx, TargetPLABWastePct, 10, \
1.15 "target wasted space in last buffer as pct of overall allocation")\
1.16 @@ -1495,7 +1497,15 @@
1.17 product(uintx, ParGCDesiredObjsFromOverflowList, 20, \
1.18 "The desired number of objects to claim from the overflow list") \
1.19 \
1.20 - product(uintx, CMSParPromoteBlocksToClaim, 16, \
1.21 + diagnostic(intx, ParGCStridesPerThread, 2, \
1.22 + "The number of strides per worker thread that we divide up the " \
1.23 + "card table scanning work into") \
1.24 + \
1.25 + diagnostic(intx, ParGCCardsPerStrideChunk, 256, \
1.26 + "The number of cards in each chunk of the parallel chunks used " \
1.27 + "during card table scanning") \
1.28 + \
1.29 + product(uintx, CMSParPromoteBlocksToClaim, 16, \
1.30 "Number of blocks to attempt to claim when refilling CMS LAB for "\
1.31 "parallel GC.") \
1.32 \
