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src/share/vm/runtime/globals.hpp

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1604           "Simulate work queue overflow in ParNew")                         \
1605                                                                             \
1606   notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000,                   \
1607           "An `interval' counter that determines how frequently "           \
1608           "we simulate overflow; a smaller number increases frequency")     \
1609                                                                             \
1610   product(uintx, ParGCDesiredObjsFromOverflowList, 20,                      \
1611           "The desired number of objects to claim from the overflow list")  \
1612           range(0, max_uintx)                                               \
1613                                                                             \
1614   diagnostic(uintx, ParGCStridesPerThread, 2,                               \
1615           "The number of strides per worker thread that we divide up the "  \
1616           "card table scanning work into")                                  \
1617           range(1, max_uintx)                                               \
1618           constraint(ParGCStridesPerThreadConstraintFunc,AfterErgo)         \
1619                                                                             \
1620   diagnostic(intx, ParGCCardsPerStrideChunk, 256,                           \
1621           "The number of cards in each chunk of the parallel chunks used "  \
1622           "during card table scanning")                                     \
1623           range(1, max_intx)                                                \

1624                                                                             \
1625   product(uintx, OldPLABWeight, 50,                                         \
1626           "Percentage (0-100) used to weight the current sample when "      \
1627           "computing exponentially decaying average for resizing "          \
1628           "OldPLABSize")                                                    \
1629           range(0, 100)                                                     \
1630                                                                             \
1631   product(bool, ResizeOldPLAB, true,                                        \
1632           "Dynamically resize (old gen) promotion LAB's")                   \
1633                                                                             \
1634   product(size_t, CMSOldPLABMax, 1024,                                      \
1635           "Maximum size of CMS gen promotion LAB caches per worker "        \
1636           "per block size")                                                 \
1637           range(1, max_uintx)                                               \
1638           constraint(CMSOldPLABMaxConstraintFunc,AfterMemoryInit)           \
1639                                                                             \
1640   product(size_t, CMSOldPLABMin, 16,                                        \
1641           "Minimum size of CMS gen promotion LAB caches per worker "        \
1642           "per block size")                                                 \
1643           range(1, max_uintx)                                               \




1604           "Simulate work queue overflow in ParNew")                         \
1605                                                                             \
1606   notproduct(uintx, ParGCWorkQueueOverflowInterval, 1000,                   \
1607           "An `interval' counter that determines how frequently "           \
1608           "we simulate overflow; a smaller number increases frequency")     \
1609                                                                             \
1610   product(uintx, ParGCDesiredObjsFromOverflowList, 20,                      \
1611           "The desired number of objects to claim from the overflow list")  \
1612           range(0, max_uintx)                                               \
1613                                                                             \
1614   diagnostic(uintx, ParGCStridesPerThread, 2,                               \
1615           "The number of strides per worker thread that we divide up the "  \
1616           "card table scanning work into")                                  \
1617           range(1, max_uintx)                                               \
1618           constraint(ParGCStridesPerThreadConstraintFunc,AfterErgo)         \
1619                                                                             \
1620   diagnostic(intx, ParGCCardsPerStrideChunk, 256,                           \
1621           "The number of cards in each chunk of the parallel chunks used "  \
1622           "during card table scanning")                                     \
1623           range(1, max_intx)                                                \
1624           constraint(ParGCCardsPerStrideChunkConstraintFunc,AfterMemoryInit)\
1625                                                                             \
1626   product(uintx, OldPLABWeight, 50,                                         \
1627           "Percentage (0-100) used to weight the current sample when "      \
1628           "computing exponentially decaying average for resizing "          \
1629           "OldPLABSize")                                                    \
1630           range(0, 100)                                                     \
1631                                                                             \
1632   product(bool, ResizeOldPLAB, true,                                        \
1633           "Dynamically resize (old gen) promotion LAB's")                   \
1634                                                                             \
1635   product(size_t, CMSOldPLABMax, 1024,                                      \
1636           "Maximum size of CMS gen promotion LAB caches per worker "        \
1637           "per block size")                                                 \
1638           range(1, max_uintx)                                               \
1639           constraint(CMSOldPLABMaxConstraintFunc,AfterMemoryInit)           \
1640                                                                             \
1641   product(size_t, CMSOldPLABMin, 16,                                        \
1642           "Minimum size of CMS gen promotion LAB caches per worker "        \
1643           "per block size")                                                 \
1644           range(1, max_uintx)                                               \


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