Examples with J9PoolPuddlePointer com.ibm.j9ddr.vm29.pointer.generated.J9PoolPuddlePointer used on opensource projects

Example 1 with J9PoolPuddlePointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9PoolPuddlePointer in project openj9 by eclipse.

the class Pool_29_V0 method capacity.

@Override
public long capacity() {
    long numElements = 0;
    try {
        J9PoolPuddleListPointer puddleList = J9PoolPuddleListPointer.cast(pool.puddleList());
        J9PoolPuddlePointer walk = puddleList.nextPuddle();
        while (!walk.isNull()) {
            numElements += pool.elementsPerPuddle().longValue();
            walk = walk.nextPuddle();
        }
    } catch (CorruptDataException e) {
        return 0;
    }
    return numElements;
}

Example 2 with J9PoolPuddlePointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9PoolPuddlePointer in project openj9 by eclipse.

the class Pool_29_V0 method poolPuddle_startDo.

private VoidPointer poolPuddle_startDo(J9PoolPuddlePointer currentPuddle, boolean followNextPointers) throws CorruptDataException {
    UDATAPointer currAddr = null;
    if (pool.isNull() || currentPuddle.isNull()) {
        return null;
    }
    if (currentPuddle.usedElements().longValue() == 0) {
        if ((currentPuddle.nextPuddle().notNull()) && followNextPointers) {
            return poolPuddle_startDo(currentPuddle.nextPuddle(), followNextPointers);
        } else {
            return null;
        }
    }
    while (isPuddleSlotFree(currentPuddle)) {
        slot++;
    }
    currAddr = UDATAPointer.cast(currentPuddle.firstElementAddress().getAddress() + (elementSize * slot));
    state.currentPuddle = currentPuddle;
    state.lastSlot = slot;
    state.leftToDo = currentPuddle.usedElements().intValue() - 1;
    state.flags = 0;
    if (followNextPointers) {
        // TODO find out where this is set
        state.flags |= POOLSTATE_FOLLOW_NEXT_POINTERS;
    }
    if (state.leftToDo == 0) {
        if (followNextPointers) {
            state.currentPuddle = state.currentPuddle.nextPuddle();
            state.lastSlot = -1;
        } else {
            state.currentPuddle = null;
        }
    }
    logger.fine(String.format("Next pool item 0x%016x", currAddr.getAddress()));
    if (logger.isLoggable(Level.FINER)) {
        logger.finer(state.toString());
    }
    return VoidPointer.cast(currAddr);
}

Example 3 with J9PoolPuddlePointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9PoolPuddlePointer in project openj9 by eclipse.

the class Pool_29_V0 method isPuddleSlotFree.

// PUDDLE_SLOT_FREE
private boolean isPuddleSlotFree(J9PoolPuddlePointer currentPuddle) throws CorruptDataException {
    U32Pointer ptr = U32Pointer.cast(currentPuddle.add(1));
    ptr = ptr.add(slot / 32);
    long value = ptr.at(0).longValue();
    int bitmask = (1 << (31 - slot % 32));
    return (value & bitmask) != 0;
}

Example 4 with J9PoolPuddlePointer

use of com.ibm.j9ddr.vm29.pointer.generated.J9PoolPuddlePointer in project openj9 by eclipse.

the class DumpAllClassloadersCommand method run.

/**
 * Run method for !dumpallclassloaders extension.
 *
 * @param command  !dumpallclassloaders
 * @param args	!dumpallclassloaders extension accepts no args
 * @param context Context
 * @param out PrintStream
 * @throws DDRInteractiveCommandException
 */
public void run(String command, String[] args, Context context, PrintStream out) throws DDRInteractiveCommandException {
    if (args.length != 0) {
        printUsage(out);
        return;
    }
    try {
        if (J9BuildFlags.env_data64) {
            out.append("+------------------------------------------------------------------------- \n");
            out.append("|    ClassLoader    | SharedLibraries | ClassHashTable  |   jniIDs Pool   |\n");
            out.append("|                   |      Pool       |                 |                 |\n");
            out.append("|                   |-----------------+-----------------+-----------------| \n");
            out.append("|      Address      | used | capacity | used | capacity | used | capacity |\n");
            out.append("+-------------------+-----------------+-----------------+----------------- \n");
        } else {
            out.append("+----------------------------------------------------------------- \n");
            out.append("|ClassLoader| SharedLibraries | ClassHashTable  |   jniIDs Pool   |\n");
            out.append("|           |      Pool       |                 |                 |\n");
            out.append("|           |-----------------+-----------------+-----------------| \n");
            out.append("| Address   | used | capacity | used | capacity | used | capacity |\n");
            out.append("+-----------+-----------------+-----------------+----------------- \n");
        }
        GCClassLoaderIterator iterator = GCClassLoaderIterator.from();
        J9ClassLoaderPointer classLoaderPointer;
        String classLoaderAddress;
        long sharedLibPoolNumOfelements;
        long sharedLibPoolCapacity;
        long classHashTableNumOfelements;
        long classHashTableCapacity;
        long jniIDsPoolNumOfelements;
        long jniIDsPoolCapacity;
        while (iterator.hasNext()) {
            classLoaderPointer = iterator.next();
            classLoaderAddress = classLoaderPointer.getHexAddress();
            J9PoolPointer sharedLibraries = classLoaderPointer.sharedLibraries();
            if (!sharedLibraries.isNull()) {
                Pool<J9PoolPuddlePointer> pool = Pool.fromJ9Pool(sharedLibraries, J9PoolPuddlePointer.class);
                sharedLibPoolNumOfelements = pool.numElements();
                sharedLibPoolCapacity = pool.capacity();
            } else {
                sharedLibPoolNumOfelements = 0;
                sharedLibPoolCapacity = 0;
            }
            J9HashTablePointer classHashTable = classLoaderPointer.classHashTable();
            if (!classHashTable.isNull()) {
                if (!classHashTable.listNodePool().isNull()) {
                    J9PoolPointer listNodePool = classHashTable.listNodePool();
                    Pool<J9PoolPuddlePointer> pool = Pool.fromJ9Pool(listNodePool, J9PoolPuddlePointer.class);
                    classHashTableNumOfelements = pool.numElements();
                    classHashTableCapacity = pool.capacity();
                } else {
                    classHashTableNumOfelements = classHashTable.numberOfNodes().longValue();
                    classHashTableCapacity = classHashTable.tableSize().longValue();
                }
            } else {
                classHashTableNumOfelements = 0;
                classHashTableCapacity = 0;
            }
            J9PoolPointer jniIDs = classLoaderPointer.jniIDs();
            if (!jniIDs.isNull()) {
                Pool<J9PoolPuddlePointer> pool = Pool.fromJ9Pool(jniIDs, J9PoolPuddlePointer.class);
                jniIDsPoolNumOfelements = pool.numElements();
                jniIDsPoolCapacity = pool.capacity();
            } else {
                jniIDsPoolNumOfelements = 0;
                jniIDsPoolCapacity = 0;
            }
            String output = format(classLoaderAddress, sharedLibPoolNumOfelements, sharedLibPoolCapacity, classHashTableNumOfelements, classHashTableCapacity, jniIDsPoolNumOfelements, jniIDsPoolCapacity);
            out.println(output);
        }
    } catch (CorruptDataException e) {
        throw new DDRInteractiveCommandException(e);
    }
}