ItemAllocator Class Reference

#include <item_mem.h>

Public Member Functions
	ItemAllocator ()
	~ItemAllocator ()
void *	Malloc (unsigned size)
void	Free (void *ptr)

Static Public Member Functions
static int64_t	total_allocated ()

Private Attributes
std::vector< MallocArena * >	malloc_arenas_
unsigned	idx_last_arena_
pthread_mutex_t	lock_

Static Private Attributes
static const unsigned	kArenaSize = 128 * 1024 * 1024
static atomic_int64	total_allocated_ = 0

Detailed Description

This file is part of the CernVM File System. To avoid memory fragmentation, allocate the data buffer inside the BlockItem with a separate allocator.

Definition at line 20 of file item_mem.h.

Constructor & Destructor Documentation

ItemAllocator::ItemAllocator

(

)

Definition at line 37 of file item_mem.cc.

Here is the call graph for this function:

ItemAllocator::~ItemAllocator

(

)

Definition at line 46 of file item_mem.cc.

Member Function Documentation

void ItemAllocator::Free

(

void *

ptr

)

Definition at line 16 of file item_mem.cc.

Referenced by BlockItem::Reset(), and BlockItem::~BlockItem().

Here is the call graph for this function:

Here is the caller graph for this function:

void * ItemAllocator::Malloc

(

unsigned

size

)

Definition at line 55 of file item_mem.cc.

Referenced by BlockItem::MakeData(), and BlockItem::MakeDataCopy().

Here is the call graph for this function:

Here is the caller graph for this function:

static int64_t ItemAllocator::total_allocated ( )

inlinestatic

Definition at line 28 of file item_mem.h.

Member Data Documentation

unsigned ItemAllocator::idx_last_arena_

private

Where the last successful allocation took place.

Definition at line 38 of file item_mem.h.

Referenced by Free(), and Malloc().

const unsigned ItemAllocator::kArenaSize = 128 * 1024 * 1024

staticprivate

Definition at line 31 of file item_mem.h.

Referenced by Free(), ItemAllocator(), Malloc(), and ~ItemAllocator().

pthread_mutex_t ItemAllocator::lock_

private

Definition at line 39 of file item_mem.h.

Referenced by Free(), ItemAllocator(), Malloc(), and ~ItemAllocator().

std::vector<MallocArena *> ItemAllocator::malloc_arenas_

private

Definition at line 34 of file item_mem.h.

Referenced by Free(), ItemAllocator(), Malloc(), and ~ItemAllocator().

atomic_int64 ItemAllocator::total_allocated_ = 0

staticprivate

This file is part of the CernVM File System.

Definition at line 32 of file item_mem.h.

Referenced by Free(), ItemAllocator(), Malloc(), total_allocated(), and ~ItemAllocator().

---

The documentation for this class was generated from the following files:

• /home/sftnight/jenkins/workspace/CvmfsDoxygen/label/docker-x86_64/cvmfs/cvmfs/ingestion/item_mem.h
• /home/sftnight/jenkins/workspace/CvmfsDoxygen/label/docker-x86_64/cvmfs/cvmfs/ingestion/item_mem.cc