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org.jikesrvm.adaptive.measurements.organizers
Class Organizer

java.lang.Object
  extended by org.mmtk.plan.MutatorContext
      extended by org.mmtk.plan.SimpleMutator
          extended by org.mmtk.plan.StopTheWorldMutator
              extended by org.mmtk.plan.generational.GenMutator
                  extended by org.mmtk.plan.generational.immix.GenImmixMutator
                      extended by org.jikesrvm.mm.mminterface.Selected.Mutator
                          extended by org.jikesrvm.mm.mminterface.ThreadContext
                              extended by org.jikesrvm.scheduler.RVMThread
                                  extended by org.jikesrvm.adaptive.measurements.organizers.Organizer
All Implemented Interfaces:
Constants
Direct Known Subclasses:
AccumulatingMethodSampleOrganizer, DecayOrganizer, DynamicCallGraphOrganizer, MethodSampleOrganizer
public abstract class Organizer
extends RVMThread

An Organizer acts an an intermediary between the low level online measurements and the controller. An organizer may perform simple or complex tasks, but it is always simply following the instructions given by the controller.

Nested Class Summary
 
Nested classes/interfaces inherited from class org.jikesrvm.scheduler.RVMThread
RVMThread.BlockAdapter, RVMThread.GCBlockAdapter, RVMThread.HandshakeBlockAdapter, RVMThread.HardHandshakeVisitor, RVMThread.SoftHandshakeVisitor, RVMThread.SuspendBlockAdapter, RVMThread.Waiting
 
Field Summary
private  Latch latch
          A latch used for activate/passivate.
protected  Listener listener
          The listener associated with this organizer.
 
Fields inherited from class org.jikesrvm.scheduler.RVMThread
acctLock, activeMutatorContext, allButGC, ALWAYS_LOCK_ON_STATE_TRANSITION, asyncDebugRequestedForThisThread, BACKEDGE, barriersEntered, barriersExited, BLOCKED_IN_JNI, BLOCKED_IN_NATIVE, bootThread, bridgeInstructions, cachedFreeLock, codePatchSyncRequested, contextRegisters, contextRegistersSave, countdownCBSCall, countdownCBSMethod, daemon, debugLock, debugRequested, debugThreads, doProfileReport, dumpLock, dumpStackOnBlock, EPILOGUE, exitInProgress, feedlet, firstCBSCallSample, firstCBSMethodSample, flushRequested, fooFPOffset, gcBlockAdapter, handshakeBlockAdapter, handshakeLock, handshakeThreads, IN_JAVA, IN_JAVA_TO_BLOCK, IN_JNI, IN_NATIVE, inDumpStack, isWaitingForOsr, jniEnv, LAST_EXEC_STATUS, lockingId, LOG_MAX_THREADS, MAX_THREADS, NATIVE_EPILOGUE, NATIVE_PROLOGUE, NEW, nextSlot, numCBSCallSamples, numCBSMethodSamples, numProcessors, numThreads, onStackReplacementEvent, osr_done, OSROPT, PRIMORDIAL_THREAD_INDEX, PROLOGUE, pthread_id, requesting_osr, softHandshakeDataLock, softHandshakeLeft, softHandshakeRequested, stackLimit, suspendBlockAdapter, takeYieldpoint, TERMINATED, thread_cbs_counter, threadBySlot, threadingInitialized, threads, threadSlot, timerTicks, timeSliceExpired, trace, traceAboutToTerminate, traceAcct, traceBind, traceBlock, traceDetails, traceReallyBlock, tsFPOffset, waitCount, waiting, waitObject, yieldForCBSCall, yieldForCBSMethod, yieldToOSRRequested
 
Fields inherited from class org.jikesrvm.mm.mminterface.ThreadContext
collectorContext
 
Fields inherited from class org.mmtk.plan.generational.GenMutator
arrayRemset, nursery, remset
 
Fields inherited from class org.mmtk.plan.MutatorContext
immortal, lgcode, log, los, nonmove, smcode
 
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
Organizer()
          Constructor
 
Method Summary
 void activate()
          Called to activate the organizer thread (ie schedule it for execution).
protected abstract  void initialize()
          Organizer specific setup.
private  void passivate()
           
 void report()
          Last opportunity to say something.
 void run()
          Called when thread is scheduled.
(package private) abstract  void thresholdReached()
          Method that is called when the sampling threshold is reached
 
Methods inherited from class org.jikesrvm.scheduler.RVMThread
assertAcceptableStates, assertAcceptableStates, assertUnacceptableStates, assertUnacceptableStates, asyncBlock, attemptLeaveNativeNoBlock, beginPairHandshake, beginPairWith, beginPairWithCurrent, block, blockedFor, boot, checkDebugRequest, clearDisallowAllocationsByThisThread, clearEmergencyAllocation, clearInterrupted, clearOutOfMemoryError, clearPhysicalAllocationFailed, communicationLock, communicationLockForSlot, countStackFrames, disableYieldpoints, dump, dump, dump, dump, dumpAcct, dumpAll, dumpStack, dumpStack, dumpStack, dumpStackAndDie, dumpVirtualMachine, dumpWithPadding, emergencyAllocation, enableYieldpoints, endPairHandshake, endPairWith, endPairWithCurrent, enterJNIBlockedFromCallIntoNative, enterJNIBlockedFromJNIFunctionCall, enterJNIFromCallIntoNative, enterJNIFromJNIFunctionCall, enterNative, extDump, failIfYieldpointsDisabled, fixupMovedStack, gcEnabled, getCollectionAttempt, getContextRegisters, getCurrentFeedlet, getCurrentThread, getCurrentThreadSlot, getDisableGCDepth, getDisallowAllocationsByThisThread, getExceptionRegisters, getExecStatus, getIsAboutToTerminate, getJavaLangThread, getJNIEnv, getLockingId, getName, getOutOfMemoryError, getPriority, getStack, getStackLength, getState, getThreadForStackTrace, getThreadSlot, handleUncaughtException, hardHandshakeResume, hardHandshakeResume, hardHandshakeSuspend, hardHandshakeSuspend, hasNativeStackFrame, holdsLock, ignoreHandshakesAndGC, init, initializeJNIEnv, interrupt, isAlive, isBlocked, isBootThread, isDaemonThread, isGCThread, isInJava, isInterrupted, isSystemThread, join, leaveJNIBlockedFromCallIntoNative, leaveJNIFromCallIntoNative, leaveJNIFromJNIFunctionCall, leaveNative, makeDaemon, monitor, notify, notifyAll, notRunning, observeExecStatusAtSTW, park, physicalAllocationFailed, processAboutToTerminate, raiseIllegalMonitorStateException, reportCollectionAttempt, reportThreadTransitionCounts, resetCollectionAttempts, resizeCurrentStack, resume, safeAsyncBlock, safeBlock, safeToForceGCs, saveThreadState, setDisableGCDepth, setDisallowAllocationsByThisThread, setEmergencyAllocation, setName, setOutOfMemoryError, setPhysicalAllocationFailed, setPriority, setupBootJavaThread, setupBootThread, shouldBeSampled, sleep, sleep, snapshotHandshakeThreads, softHandshake, softRendezvous, softRendezvousCheckAndClear, softRendezvousCommit, start, stop, suspend, terminate, toString, trace, trace, trace, traceback, traceback, traceHex, unblock, unpark, wait, wait, waitAbsoluteNanos, worldStopped, yield, yieldpoint, yieldpointFromBackedge, yieldpointFromEpilogue, yieldpointFromPrologue, yieldpointsEnabled
 
Methods inherited from class org.jikesrvm.mm.mminterface.Selected.Mutator
get, getThread
 
Methods inherited from class org.mmtk.plan.generational.immix.GenImmixMutator
alloc, collectionPhase, getAllocatorFromSpace, postAlloc
 
Methods inherited from class org.mmtk.plan.generational.GenMutator
assertRemsetsFlushed, flushRememberedSets, objectReferenceBulkCopy, objectReferenceNonHeapWrite, objectReferenceTryCompareAndSwap, objectReferenceWrite
 
Methods inherited from class org.mmtk.plan.MutatorContext
addressBulkCopy, addressRead, addressTryCompareAndSwap, addressWrite, booleanBulkCopy, booleanRead, booleanWrite, byteBulkCopy, byteRead, byteWrite, charBulkCopy, charRead, charWrite, checkAllocator, deinitMutator, doubleBulkCopy, doubleRead, doubleWrite, extentBulkCopy, extentRead, extentWrite, floatBulkCopy, floatRead, floatWrite, flush, getId, getLog, initMutator, intBulkCopy, intRead, intTryCompareAndSwap, intWrite, javaLangReferenceReadBarrier, longBulkCopy, longRead, longTryCompareAndSwap, longWrite, objectReferenceNonHeapRead, objectReferenceRead, offsetBulkCopy, offsetRead, offsetWrite, shortBulkCopy, shortRead, shortWrite, wordBulkCopy, wordRead, wordTryCompareAndSwap, wordWrite
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Field Detail

listener

protected Listener listener
The listener associated with this organizer. May be null if the organizer has no associated listener.

latch

private final Latch latch
A latch used for activate/passivate.

Constructor Detail

Organizer

public Organizer()
Constructor

Method Detail

run

public void run()
Called when thread is scheduled.

Overrides:
run in class RVMThread

report

public void report()
Last opportunity to say something.

thresholdReached

abstract void thresholdReached()
Method that is called when the sampling threshold is reached

initialize

protected abstract void initialize()
Organizer specific setup. A good place to install and activate any listeners.

passivate

private void passivate()

activate

public void activate()
Called to activate the organizer thread (ie schedule it for execution).

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