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[Jikesrvm-commits] SF.net SVN: jikesrvm: [13172] rvmroot/trunk/MMTk/src/org/mmtk/utility/ options
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From: <dfr...@us...> - 2007-07-26 01:20:51
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Revision: 13172
http://jikesrvm.svn.sourceforge.net/jikesrvm/?rev=13172&view=rev
Author: dframpton-oss
Date: 2007-07-25 18:20:49 -0700 (Wed, 25 Jul 2007)
Log Message:
-----------
Make MMTk Option classes final to improve codegen. Removes yieldPointForOSR in CollectorContext.collectionPhase.
Modified Paths:
--------------
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/BoundedNursery.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleFilterThreshold.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleMetaDataLimit.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleTriggerThreshold.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/DebugAddress.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EagerCompleteSweep.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EagerMmapSpaces.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EchoOptions.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FixedNursery.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FragmentationStats.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FullHeapSystemGC.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCTimeCap.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyPort.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyTileSize.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyWait.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GenCycleDetection.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/IgnoreSystemGC.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/MarkSweepMarkBits.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/MetaDataLimit.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NoFinalizer.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NoReferenceTypes.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NurserySize.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/PrintPhaseStats.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/ProtectOnRelease.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/SanityCheck.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/StressFactor.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/TraceRate.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VariableSizeHeap.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/Verbose.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VerboseFragmentationStats.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VerboseTiming.java
rvmroot/trunk/MMTk/src/org/mmtk/utility/options/XmlStats.java
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/BoundedNursery.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/BoundedNursery.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/BoundedNursery.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -18,7 +18,7 @@
* Provide an upper bound on nursery size. This option is not intended to
* be created directly, but via NurserySize.
*/
-public class BoundedNursery extends PagesOption {
+public final class BoundedNursery extends PagesOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleFilterThreshold.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleFilterThreshold.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleFilterThreshold.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Trigger cycle buffer filtering if the space available falls below this threshold.
*/
-public class CycleFilterThreshold extends PagesOption {
+public final class CycleFilterThreshold extends PagesOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleMetaDataLimit.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleMetaDataLimit.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleMetaDataLimit.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Trigger cycle detection if the meta data volume grows to this limit.
*/
-public class CycleMetaDataLimit extends PagesOption {
+public final class CycleMetaDataLimit extends PagesOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleTriggerThreshold.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleTriggerThreshold.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/CycleTriggerThreshold.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Trigger cycle detection if the space available falls below this threshold.
*/
-public class CycleTriggerThreshold extends PagesOption {
+public final class CycleTriggerThreshold extends PagesOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/DebugAddress.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/DebugAddress.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/DebugAddress.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -17,7 +17,7 @@
/**
* Allow an address to be specified on the command line for use in debugging.
*/
-public class DebugAddress extends AddressOption {
+public final class DebugAddress extends AddressOption {
/**
* Create the option
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EagerCompleteSweep.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EagerCompleteSweep.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EagerCompleteSweep.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should we eagerly finish sweeping at the start of a collection
*/
-public class EagerCompleteSweep extends BooleanOption {
+public final class EagerCompleteSweep extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EagerMmapSpaces.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EagerMmapSpaces.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EagerMmapSpaces.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should spaces be eagerly demand zero mmapped?
*/
-public class EagerMmapSpaces extends BooleanOption {
+public final class EagerMmapSpaces extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EchoOptions.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EchoOptions.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/EchoOptions.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Echo when options are set?
*/
-public class EchoOptions extends BooleanOption {
+public final class EchoOptions extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FixedNursery.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FixedNursery.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FixedNursery.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -19,7 +19,7 @@
*
* This option is not intended to be created directly, but via NurserySize.
*/
-public class FixedNursery extends PagesOption {
+public final class FixedNursery extends PagesOption {
// values
BoundedNursery boundedNursery;
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FragmentationStats.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FragmentationStats.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FragmentationStats.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Option to print fragmentation information for the free list.
*/
-public class FragmentationStats extends BooleanOption {
+public final class FragmentationStats extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FullHeapSystemGC.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FullHeapSystemGC.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/FullHeapSystemGC.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should a major GC be performed when a system GC is triggered?
*/
-public class FullHeapSystemGC extends BooleanOption {
+public final class FullHeapSystemGC extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCTimeCap.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCTimeCap.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCTimeCap.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Try to limit reference counting collections to this time cap.
*/
-public class GCTimeCap extends MicrosecondsOption {
+public final class GCTimeCap extends MicrosecondsOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyPort.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyPort.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyPort.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Port number for GCSpy server to connect with visualiser.
*/
-public class GCspyPort extends IntOption {
+public final class GCspyPort extends IntOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyTileSize.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyTileSize.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyTileSize.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* GCspy Tile Size.
*/
-public class GCspyTileSize extends IntOption {
+public final class GCspyTileSize extends IntOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyWait.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyWait.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GCspyWait.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should the VM wait for the visualiser to connect?
*/
-public class GCspyWait extends BooleanOption {
+public final class GCspyWait extends BooleanOption {
/**
* Create the option
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GenCycleDetection.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GenCycleDetection.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/GenCycleDetection.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should we use a generational approach to cycle detection?
*/
-public class GenCycleDetection extends BooleanOption {
+public final class GenCycleDetection extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/IgnoreSystemGC.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/IgnoreSystemGC.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/IgnoreSystemGC.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should we ignore calls to java.lang.System.gc?
*/
-public class IgnoreSystemGC extends BooleanOption {
+public final class IgnoreSystemGC extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/MarkSweepMarkBits.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/MarkSweepMarkBits.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/MarkSweepMarkBits.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -17,7 +17,7 @@
/**
* Number of bits to use for the header cycle of mark sweep spaces.
*/
-public class MarkSweepMarkBits extends IntOption {
+public final class MarkSweepMarkBits extends IntOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/MetaDataLimit.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/MetaDataLimit.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/MetaDataLimit.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Provide a bound on how much metadata is allowed before a GC is triggered.
*/
-public class MetaDataLimit extends PagesOption {
+public final class MetaDataLimit extends PagesOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NoFinalizer.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NoFinalizer.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NoFinalizer.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should finalization be disabled?
*/
-public class NoFinalizer extends BooleanOption {
+public final class NoFinalizer extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NoReferenceTypes.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NoReferenceTypes.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NoReferenceTypes.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should reference type processing be disabled?
*/
-public class NoReferenceTypes extends BooleanOption {
+public final class NoReferenceTypes extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NurserySize.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NurserySize.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/NurserySize.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -18,7 +18,7 @@
* A composite option that provides a min/max interface to MMTk,
* and a fixed/bounded option interface to the VM/user.
*/
-public class NurserySize {
+public final class NurserySize {
// values
private FixedNursery fixedNursery;
private BoundedNursery boundedNursery;
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/PrintPhaseStats.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/PrintPhaseStats.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/PrintPhaseStats.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -16,7 +16,7 @@
* When printing statistics, should statistics for each
* gc-mutator phase be printed?
*/
-public class PrintPhaseStats extends BooleanOption {
+public final class PrintPhaseStats extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/ProtectOnRelease.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/ProtectOnRelease.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/ProtectOnRelease.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should memory be protected on release?
*/
-public class ProtectOnRelease extends BooleanOption {
+public final class ProtectOnRelease extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/SanityCheck.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/SanityCheck.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/SanityCheck.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -16,7 +16,7 @@
/**
* Should a major GC be performed when a system GC is triggered?
*/
-public class SanityCheck extends BooleanOption {
+public final class SanityCheck extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/StressFactor.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/StressFactor.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/StressFactor.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -18,7 +18,7 @@
/**
* Force frequent collections after amounts of allocation.
*/
-public class StressFactor extends PagesOption {
+public final class StressFactor extends PagesOption {
/**
* Create the option, defaulting to the maximum possible value.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/TraceRate.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/TraceRate.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/TraceRate.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -17,7 +17,7 @@
/**
* The granularity of the trace being produced.
*/
-public class TraceRate extends IntOption
+public final class TraceRate extends IntOption
implements org.mmtk.utility.Constants {
/**
* Create the option.
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VariableSizeHeap.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VariableSizeHeap.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VariableSizeHeap.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should we shrink/grow the heap to adjust to application working set?
*/
-public class VariableSizeHeap extends BooleanOption {
+public final class VariableSizeHeap extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/Verbose.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/Verbose.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/Verbose.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* GC verbosity level.
*/
-public class Verbose extends IntOption {
+public final class Verbose extends IntOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VerboseFragmentationStats.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VerboseFragmentationStats.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VerboseFragmentationStats.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should we print verbose fragmentation statistics for the free list allocator?
*/
-public class VerboseFragmentationStats extends BooleanOption {
+public final class VerboseFragmentationStats extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VerboseTiming.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VerboseTiming.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/VerboseTiming.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -15,7 +15,7 @@
/**
* Should we display detailed breakdown of where GC time is spent?
*/
-public class VerboseTiming extends BooleanOption {
+public final class VerboseTiming extends BooleanOption {
/**
* Create the option.
*/
Modified: rvmroot/trunk/MMTk/src/org/mmtk/utility/options/XmlStats.java
===================================================================
--- rvmroot/trunk/MMTk/src/org/mmtk/utility/options/XmlStats.java 2007-07-25 18:01:16 UTC (rev 13171)
+++ rvmroot/trunk/MMTk/src/org/mmtk/utility/options/XmlStats.java 2007-07-26 01:20:49 UTC (rev 13172)
@@ -16,7 +16,7 @@
* Display statistics and options in XML rather than himan-readable
* format.
*/
-public class XmlStats extends BooleanOption {
+public final class XmlStats extends BooleanOption {
/**
* Create the option.
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