StickyMSCollector (Jikes RVM API)

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org.mmtk.plan.stickyms
Class StickyMSCollector

java.lang.Object
  org.mmtk.plan.CollectorContext
      org.mmtk.plan.SimpleCollector
          org.mmtk.plan.StopTheWorldCollector
              org.mmtk.plan.marksweep.MSCollector
                  org.mmtk.plan.stickyms.StickyMSCollector

All Implemented Interfaces:: Constants

public class StickyMSCollector
extends MSCollector
extends MSCollector

This class implements per-collector thread behavior and state for the StickMS plan, which implements a generational sticky mark bits mark-sweep collector.

Specifically, this class defines StickyMS collection behavior (through trace and the collectionPhase method).

See Also:: for an overview of the algorithm.
, StickyMSMutator, StopTheWorldCollector, CollectorContext, Phase

Field Summary
`private StickyMSNurseryTraceLocal`	`nurseryTrace` Instance fields

Fields inherited from class org.mmtk.plan.marksweep.MSCollector
`currentTrace, fullTrace`

Fields inherited from class org.mmtk.plan.CollectorContext
`immortal, resetConcurrentWork, sanityLocal`

Fields inherited from interface org.mmtk.utility.Constants
ALIGNMENT_VALUE, ARRAY_ELEMENT, BITS_IN_ADDRESS, BITS_IN_BYTE, BITS_IN_CHAR, BITS_IN_INT, BITS_IN_PAGE, BITS_IN_SHORT, BITS_IN_WORD, BYTES_IN_ADDRESS, BYTES_IN_BYTE, BYTES_IN_CHAR, BYTES_IN_INT, BYTES_IN_KBYTE, BYTES_IN_MBYTE, BYTES_IN_PAGE, BYTES_IN_SHORT, BYTES_IN_WORD, CARD_MASK, CARD_META_PAGES_PER_REGION, INSTANCE_FIELD, LOG_BITS_IN_ADDRESS, LOG_BITS_IN_BYTE, LOG_BITS_IN_CHAR, LOG_BITS_IN_INT, LOG_BITS_IN_PAGE, LOG_BITS_IN_SHORT, LOG_BITS_IN_WORD, LOG_BYTES_IN_ADDRESS, LOG_BYTES_IN_ADDRESS_SPACE, LOG_BYTES_IN_BYTE, LOG_BYTES_IN_CHAR, LOG_BYTES_IN_INT, LOG_BYTES_IN_KBYTE, LOG_BYTES_IN_MBYTE, LOG_BYTES_IN_PAGE, LOG_BYTES_IN_SHORT, LOG_BYTES_IN_WORD, LOG_CARD_BYTES, LOG_CARD_GRAIN, LOG_CARD_META_BYTES, LOG_CARD_META_PAGES, LOG_CARD_META_SIZE, LOG_CARD_UNITS, LOG_MIN_ALIGNMENT, MAX_ALIGNMENT, MAX_BYTES_PADDING, MAX_INT, MIN_ALIGNMENT, MIN_INT, SUPPORT_CARD_SCANNING

Fields inherited from interface org.mmtk.utility.Constants

ALIGNMENT_VALUE, ARRAY_ELEMENT, BITS_IN_ADDRESS, BITS_IN_BYTE, BITS_IN_CHAR, BITS_IN_INT, BITS_IN_PAGE, BITS_IN_SHORT, BITS_IN_WORD, BYTES_IN_ADDRESS, BYTES_IN_BYTE, BYTES_IN_CHAR, BYTES_IN_INT, BYTES_IN_KBYTE, BYTES_IN_MBYTE, BYTES_IN_PAGE, BYTES_IN_SHORT, BYTES_IN_WORD, CARD_MASK, CARD_META_PAGES_PER_REGION, INSTANCE_FIELD, LOG_BITS_IN_ADDRESS, LOG_BITS_IN_BYTE, LOG_BITS_IN_CHAR, LOG_BITS_IN_INT, LOG_BITS_IN_PAGE, LOG_BITS_IN_SHORT, LOG_BITS_IN_WORD, LOG_BYTES_IN_ADDRESS, LOG_BYTES_IN_ADDRESS_SPACE, LOG_BYTES_IN_BYTE, LOG_BYTES_IN_CHAR, LOG_BYTES_IN_INT, LOG_BYTES_IN_KBYTE, LOG_BYTES_IN_MBYTE, LOG_BYTES_IN_PAGE, LOG_BYTES_IN_SHORT, LOG_BYTES_IN_WORD, LOG_CARD_BYTES, LOG_CARD_GRAIN, LOG_CARD_META_BYTES, LOG_CARD_META_PAGES, LOG_CARD_META_SIZE, LOG_CARD_UNITS, LOG_MIN_ALIGNMENT, MAX_ALIGNMENT, MAX_BYTES_PADDING, MAX_INT, MIN_ALIGNMENT, MIN_INT, SUPPORT_CARD_SCANNING

Constructor Summary
`StickyMSCollector()` Constructor

Method Summary
`void`	`collectionPhase(short phaseId, boolean primary)` Perform a per-collector collection phase.
`private static StickyMS`	`global()`

Methods inherited from class org.mmtk.plan.marksweep.MSCollector
`getCurrentTrace`

Methods inherited from class org.mmtk.plan.StopTheWorldCollector
`collect, concurrentCollect, concurrentCollectionPhase`

Methods inherited from class org.mmtk.plan.CollectorContext
`allocCopy, clearResetConcurrentWork, copyCheckAllocator, getId, initCollector, postCopy, resetConcurrentWork`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

nurseryTrace

private StickyMSNurseryTraceLocal nurseryTrace

Instance fields

Constructor Detail

StickyMSCollector

public StickyMSCollector()

Constructor

Method Detail

collectionPhase

public final void collectionPhase(short phaseId,
                                  boolean primary)

Perform a per-collector collection phase.

Overrides:: collectionPhase in class MSCollector

Parameters:: phaseId - The collection phase to perform; primary - Perform any single-threaded activities using this thread.

global

private static StickyMS global()

Returns:: The active global plan as an MS instance.