Netty 4.1.107.Final · io.netty.buffer.PoolArena

Modifier and Type	Class and Description
pack-priv static class	PoolArena.DirectArena
pack-priv static class	PoolArena.HeapArena
pack-priv static enum	PoolArena.SizeClass

Modifier and Type	Field and Description
private final LongCounter	activeBytesHuge
private final LongCounter	allocationsHuge
private long	allocationsNormal
private final LongCounter	allocationsSmall
private final List<PoolChunkListMetric>	chunkListMetrics
private final LongCounter	deallocationsHuge
private long	deallocationsNormal
private long	deallocationsSmall
private static final boolean	HAS_UNSAFE
private final ReentrantLock	lock
pack-priv final AtomicInteger	numThreadCaches
pack-priv final PooledByteBufAllocator	parent
private final PoolChunkList<T>	q000
private final PoolChunkList<T>	q025
private final PoolChunkList<T>	q050
private final PoolChunkList<T>	q075
private final PoolChunkList<T>	q100
private final PoolChunkList<T>	qInit
pack-priv final SizeClasses	sizeClass
pack-priv final PoolSubpage<T>[]	smallSubpagePools

Access	Constructor and Description
protected	PoolArena(PooledByteBufAllocator parent, SizeClasses sizeClass)

Method Summary

Modifier and Type	Method and Description
pack-priv PooledByteBuf<T>	allocate(PoolThreadCache cache, int reqCapacity, int maxCapacity)
private void	allocate(PoolThreadCache cache, PooledByteBuf<T> buf, final int reqCapacity)
private void	allocateHuge(PooledByteBuf<T> buf, int reqCapacity)
private void	allocateNormal(PooledByteBuf<T> buf, int reqCapacity, int sizeIdx, PoolThreadCache threadCache)
private static void	appendPoolSubPages(StringBuilder buf, PoolSubpage<?>[] subpages)
public List<PoolChunkListMetric>	chunkLists() Implements io.netty.buffer.PoolArenaMetric.chunkLists. Returns an unmodifiable `List` which holds `PoolChunkListMetric`s.
protected abstract void	destroyChunk(PoolChunk<T> chunk)
private void	destroyPoolChunkLists(PoolChunkList<T>... chunkLists)
private static void	destroyPoolSubPages(PoolSubpage<?>[] pages)
protected final void	finalize() Overrides java.lang.Object.finalize. Called by the garbage collector on an object when garbage collection determines that there are no more references to the object.
pack-priv void	free(PoolChunk<T> chunk, ByteBuffer nioBuffer, long handle, int normCapacity, PoolThreadCache cache)
pack-priv void	freeChunk(PoolChunk<T> chunk, long handle, int normCapacity, PoolArena.SizeClass sizeClass, ByteBuffer nioBuffer, boolean finalizer)
private void	incSmallAllocation()
pack-priv abstract boolean	isDirect()
pack-priv void	lock()
protected abstract void	memoryCopy(T src, int srcOffset, PooledByteBuf<T> dst, int length)
protected abstract PooledByteBuf<T>	newByteBuf(int maxCapacity)
protected abstract PoolChunk<T>	newChunk(int pageSize, int maxPageIdx, int pageShifts, int chunkSize)
private PoolSubpage<T>[]	newSubpagePoolArray(int size)
private PoolSubpage<T>	newSubpagePoolHead(int index)
protected abstract PoolChunk<T>	newUnpooledChunk(int capacity)
public int	normalizeSize(int request size size) Implements io.netty.buffer.SizeClassesMetric.normalizeSize. Normalizes usable size that would result from allocating an object with the specified size and alignment.
public long	numActiveAllocations() Implements io.netty.buffer.PoolArenaMetric.numActiveAllocations. Return the number of currently active allocations.
public long	numActiveBytes() Implements io.netty.buffer.PoolArenaMetric.numActiveBytes. Return the number of active bytes that are currently allocated by the arena.
public long	numActiveHugeAllocations() Implements io.netty.buffer.PoolArenaMetric.numActiveHugeAllocations. Return the number of currently active huge allocations.
public long	numActiveNormalAllocations() Implements io.netty.buffer.PoolArenaMetric.numActiveNormalAllocations. Return the number of currently active normal allocations.
public long	numActiveSmallAllocations() Implements io.netty.buffer.PoolArenaMetric.numActiveSmallAllocations. Return the number of currently active small allocations.
public long	numActiveTinyAllocations() Implements io.netty.buffer.PoolArenaMetric.numActiveTinyAllocations. Return the number of currently active tiny allocations.
public long	numAllocations() Implements io.netty.buffer.PoolArenaMetric.numAllocations. Return the number of allocations done via the arena.
public int	numChunkLists() Implements io.netty.buffer.PoolArenaMetric.numChunkLists. Returns the number of chunk lists for the arena.
public long	numDeallocations() Implements io.netty.buffer.PoolArenaMetric.numDeallocations. Return the number of deallocations done via the arena.
public long	numHugeAllocations() Implements io.netty.buffer.PoolArenaMetric.numHugeAllocations. Return the number of huge allocations done via the arena.
public long	numHugeDeallocations() Implements io.netty.buffer.PoolArenaMetric.numHugeDeallocations. Return the number of huge deallocations done via the arena.
public long	numNormalAllocations() Implements io.netty.buffer.PoolArenaMetric.numNormalAllocations. Return the number of normal allocations done via the arena.
public long	numNormalDeallocations() Implements io.netty.buffer.PoolArenaMetric.numNormalDeallocations. Return the number of normal deallocations done via the arena.
public long	numPinnedBytes() Return the number of bytes that are currently pinned to buffer instances, by the arena.
public long	numSmallAllocations() Implements io.netty.buffer.PoolArenaMetric.numSmallAllocations. Return the number of small allocations done via the arena.
public long	numSmallDeallocations() Implements io.netty.buffer.PoolArenaMetric.numSmallDeallocations. Return the number of small deallocations done via the arena.
public int	numSmallSubpages() Implements io.netty.buffer.PoolArenaMetric.numSmallSubpages. Returns the number of small sub-pages for the arena.
public int	numThreadCaches() Implements io.netty.buffer.PoolArenaMetric.numThreadCaches. Returns the number of thread caches backed by this arena.
public long	numTinyAllocations() Implements io.netty.buffer.PoolArenaMetric.numTinyAllocations. Return the number of tiny allocations done via the arena.
public long	numTinyDeallocations() Implements io.netty.buffer.PoolArenaMetric.numTinyDeallocations. Return the number of tiny deallocations done via the arena.
public int	numTinySubpages() Implements io.netty.buffer.PoolArenaMetric.numTinySubpages. Returns the number of tiny sub-pages for the arena.
public long	pageIdx2size(int pageIdx) Implements io.netty.buffer.SizeClassesMetric.pageIdx2size. Computes size from lookup table according to pageIdx.
public long	pageIdx2sizeCompute(int pageIdx) Implements io.netty.buffer.SizeClassesMetric.pageIdx2sizeCompute. Computes size according to pageIdx.
public int	pages2pageIdx(int multiples of pageSizes pages) Implements io.netty.buffer.SizeClassesMetric.pages2pageIdx. Normalizes request size up to the nearest pageSize class.
public int	pages2pageIdxFloor(int multiples of pageSizes pages) Implements io.netty.buffer.SizeClassesMetric.pages2pageIdxFloor. Normalizes request size down to the nearest pageSize class.
pack-priv void	reallocate(PooledByteBuf<T> buf, int newCapacity)
public int	size2SizeIdx(int request size size) Implements io.netty.buffer.SizeClassesMetric.size2SizeIdx. Normalizes request size up to the nearest size class.
private static PoolArena.SizeClass	sizeClass(long handle)
public int	sizeIdx2size(int sizeIdx) Implements io.netty.buffer.SizeClassesMetric.sizeIdx2size. Computes size from lookup table according to sizeIdx.
public int	sizeIdx2sizeCompute(int sizeIdx) Implements io.netty.buffer.SizeClassesMetric.sizeIdx2sizeCompute. Computes size according to sizeIdx.
public List<PoolSubpageMetric>	smallSubpages() Implements io.netty.buffer.PoolArenaMetric.smallSubpages. Returns an unmodifiable `List` which holds `PoolSubpageMetric`s for small sub-pages.
private static List<PoolSubpageMetric>	subPageMetricList(PoolSubpage<?>[] pages)
private void	tcacheAllocateNormal(PoolThreadCache cache, PooledByteBuf<T> buf, final int reqCapacity, final int sizeIdx)
private void	tcacheAllocateSmall(PoolThreadCache cache, PooledByteBuf<T> buf, final int reqCapacity, final int sizeIdx)
public List<PoolSubpageMetric>	tinySubpages() Implements io.netty.buffer.PoolArenaMetric.tinySubpages. Returns an unmodifiable `List` which holds `PoolSubpageMetric`s for tiny sub-pages.
public String	toString() Overrides java.lang.Object.toString. Returns a string representation of the object.
pack-priv void	unlock()

Inherited from java.lang.Object:: clone equals getClass hashCode notify notifyAll wait wait wait

pack-priv abstract Class PoolArena<T>

Nested and Inner Type Summary

Field Summary

Constructor Summary

Method Summary