53           "Allow Java threads to stall and wait for GC to complete "        \
  54           "instead of immediately throwing an OutOfMemoryError")            \
  55                                                                             \
  56   product(size_t, ZMarkStackSpaceLimit, 8*G,                                \
  57           "Maximum number of bytes allocated for mark stacks")              \
  58           range(32*M, 1024*G)                                               \
  59                                                                             \
  60   product(uint, ZCollectionInterval, 0,                                     \
  61           "Force GC at a fixed time interval (in seconds)")                 \
  62                                                                             \
  63   product(uint, ZStatisticsInterval, 10,                                    \
  64           "Time between statistics print outs (in seconds)")                \
  65           range(1, (uint)-1)                                                \
  66                                                                             \
  67   diagnostic(bool, ZStatisticsForceTrace, false,                            \
  68           "Force tracing of ZStats")                                        \
  69                                                                             \
  70   diagnostic(bool, ZProactive, true,                                        \
  71           "Enable proactive GC cycles")                                     \
  72                                                                             \
  73   diagnostic(bool, ZUnmapBadViews, false,                                   \
  74           "Unmap bad (inactive) heap views")                                \
  75                                                                             \
  76   diagnostic(bool, ZVerifyMarking, false,                                   \
  77           "Verify marking stacks")                                          \
  78                                                                             \
  79   diagnostic(bool, ZVerifyForwarding, false,                                \
  80           "Verify forwarding tables")                                       \
  81                                                                             \
  82   diagnostic(bool, ZOptimizeLoadBarriers, true,                             \
  83           "Apply load barrier optimizations")                               \
  84                                                                             \
  85   develop(bool, ZVerifyLoadBarriers, false,                                 \
  86           "Verify that reference loads are followed by barriers")
  87 
  88 #endif // SHARE_GC_Z_Z_GLOBALS_HPP

  53           "Allow Java threads to stall and wait for GC to complete "        \
  54           "instead of immediately throwing an OutOfMemoryError")            \
  55                                                                             \
  56   product(size_t, ZMarkStackSpaceLimit, 8*G,                                \
  57           "Maximum number of bytes allocated for mark stacks")              \
  58           range(32*M, 1024*G)                                               \
  59                                                                             \
  60   product(uint, ZCollectionInterval, 0,                                     \
  61           "Force GC at a fixed time interval (in seconds)")                 \
  62                                                                             \
  63   product(uint, ZStatisticsInterval, 10,                                    \
  64           "Time between statistics print outs (in seconds)")                \
  65           range(1, (uint)-1)                                                \
  66                                                                             \
  67   diagnostic(bool, ZStatisticsForceTrace, false,                            \
  68           "Force tracing of ZStats")                                        \
  69                                                                             \
  70   diagnostic(bool, ZProactive, true,                                        \
  71           "Enable proactive GC cycles")                                     \
  72                                                                             \
  73   diagnostic(bool, ZVerifyViews, false,                                     \
  74           "Verify heap view accesses")                                      \
  75                                                                             \
  76   diagnostic(bool, ZVerifyMarking, false,                                   \
  77           "Verify marking stacks")                                          \
  78                                                                             \
  79   diagnostic(bool, ZVerifyForwarding, false,                                \
  80           "Verify forwarding tables")                                       \
  81                                                                             \
  82   diagnostic(bool, ZOptimizeLoadBarriers, true,                             \
  83           "Apply load barrier optimizations")                               \
  84                                                                             \
  85   develop(bool, ZVerifyLoadBarriers, false,                                 \
  86           "Verify that reference loads are followed by barriers")
  87 
  88 #endif // SHARE_GC_Z_Z_GLOBALS_HPP