| Package | Description |
|---|---|
| org.mmtk.utility.options |
| Class and Description |
|---|
| BoundedNursery
Provide an upper bound on nursery size.
|
| ConcurrentTrigger
Concurrent trigger percentage
|
| CycleFilterThreshold
Trigger cycle buffer filtering if the space available falls below this threshold.
|
| CycleMetaDataLimit
Trigger cycle detection if the meta data volume grows to this limit.
|
| CycleTriggerThreshold
Trigger cycle detection if the space available falls below this threshold.
|
| DebugAddress
Allow an address to be specified on the command line for use in debugging.
|
| DefragFreeHeadroom |
| DefragFreeHeadroomFraction |
| DefragHeadroom |
| DefragHeadroomFraction |
| DefragLineReuseRatio |
| DefragSimpleSpillThreshold |
| DefragStress
Should we force degfrag every time the immix space is collected?
|
| DummyEnum
A sample enumeration for testing.
|
| EagerCompleteSweep
Should we eagerly finish sweeping at the start of a collection
|
| EagerMmapSpaces
Should spaces be eagerly demand zero mmapped?
|
| FixedNursery
Provide an lower and upper bound on nursery size.
|
| FragmentationStats
Option to print fragmentation information for the free list.
|
| FullHeapSystemGC
Should a major GC be performed when a system GC is triggered?
|
| GCspyPort
Port number for GCSpy server to connect with visualiser.
|
| GCspyTileSize
GCspy Tile Size.
|
| GCspyWait
Should the VM wait for the visualiser to connect?
|
| GCTimeCap
Try to limit reference counting collections to this time cap.
|
| GenCycleDetection
Should we use a generational approach to cycle detection?
|
| HarnessAll
Should we wrap the entire execution with a harnessBegin/harnessEnd?
|
| IgnoreSystemGC
Should we ignore calls to java.lang.System.gc?
|
| LineReuseRatio |
| MarkSweepMarkBits
Number of bits to use for the header cycle of mark sweep spaces.
|
| MetaDataLimit
Provide a bound on how much metadata is allowed before a GC is triggered.
|
| NoFinalizer
Should finalization be disabled?
|
| NoReferenceTypes
Should reference type processing be disabled?
|
| NurserySize
A composite option that provides a min/max interface to MMTk,
and a fixed/bounded option interface to the VM/user.
|
| NurseryZeroing
The zeroing approach to use for new object allocations.
|
| PerfEvents
Performance counter options.
|
| PretenureThresholdFraction |
| PrintPhaseStats
When printing statistics, should statistics for each
gc-mutator phase be printed?
|
| ProtectOnRelease
Should memory be protected on release?
|
| SanityCheck
Should a major GC be performed when a system GC is triggered?
|
| StressFactor
Force frequent collections after amounts of allocation.
|
| Threads
The number of GC threads to use for parallel collection.
|
| TraceRate
The granularity of the trace being produced.
|
| UseReturnBarrier
Should we enable a return barrier?
|
| UseShortStackScans
Option to enable an optimization that only scans the part of the stack that has changed since the last GC.
|
| VariableSizeHeap
Should we shrink/grow the heap to adjust to application working set?
|
| Verbose
GC verbosity level.
|
| VerboseFragmentationStats
Should we print verbose fragmentation statistics for the free list allocator?
|
| VerboseTiming
Should we display detailed breakdown of where GC time is spent?
|
| XmlStats
Display statistics and options in XML rather than human-readable
format.
|