Uses of Class
org.vmutil.options.Option

Packages that use Option

Package	Description
org.jikesrvm.options
org.mmtk.utility.options
org.vmutil.options

Uses of Option in org.jikesrvm.options

Methods in org.jikesrvm.options with parameters of type Option

Modifier and Type	Method and Description
protected void	OptionSet.fail(Option o, String message)
protected void	OptionSet.logValue(Option o, boolean forXml)
protected void	OptionSet.warn(Option o, String message)

Uses of Option in org.mmtk.utility.options

Subclasses of Option in org.mmtk.utility.options

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

Uses of Option in org.vmutil.options

Subclasses of Option in org.vmutil.options

Modifier and Type	Class and Description
class	AddressOption An option with a simple integer value.
class	BooleanOption Base class for boolean options.
class	EnumOption An option that is a selection of several strings.
class	FloatOption An option that has a simple single precision floating point value.
class	IntOption An option with a simple integer value.
class	MicrosecondsOption A time option that stores values at a microsecond granularity.
class	PagesOption A memory option that stores values as a whole number of pages.
class	StringOption An option that has a simple string value.

Fields in org.vmutil.options declared as Option

Modifier and Type	Field and Description
private Option	OptionSet.head
private Option	Option.next
private Option	OptionSet.tail

Methods in org.vmutil.options that return Option

Modifier and Type	Method and Description
Option	OptionSet.getFirst() Return the first option.
Option	Option.getNext() Return the next option in the linked list.
Option	OptionSet.getOption(String key) Using the VM determined key, look up the corresponding option, or return null if an option can not be found.

Methods in org.vmutil.options with parameters of type Option

Modifier and Type	Method and Description
protected abstract void	OptionSet.fail(Option o, String message) A fatal error occurred during the setting of an option.
void	OptionSet.log(Option o) Log the option value in plain text.
void	OptionSet.logChange(Option o) Log an option change
protected abstract void	OptionSet.logValue(Option o, boolean forXml) Format and log an option value.
void	OptionSet.logXml(Option o) Log the option value in XML.
(package private) String	OptionSet.register(Option o, String name) Register the option to this set, computing its key in the process.
(package private) void	Option.setNext(Option o) Updates the next pointer in the Option chain.
protected abstract void	OptionSet.warn(Option o, String message) A non-fatal error occurred during the setting of an option.