malloc_count.cpp File Reference

#include <cstdlib>
#include <cstring>
#include <cstdio>
#include <clocale>
#include <dlfcn.h>
#include <stxxl/bits/config.h>
#include <stxxl/bits/utils/malloc_count.h>

Go to the source code of this file.

Macros
#define	_GNU_SOURCE
#define	INIT_HEAP_SIZE   1024 * 1024
#define	PPREFIX   "malloc_count ### "
#define	THREAD_SAFE_GCC_INTRINSICS   STXXL_HAVE_SYNC_ADD_AND_FETCH

Typedefs
typedef void(*	free_type )(void *)
typedef void *(*	malloc_type )(size_t)
typedef void *(*	realloc_type )(void *, size_t)

Functions
static	__attribute__ ((constructor)) void init(void)
static	__attribute__ ((destructor)) void finish(void)
void *	calloc (size_t nmemb, size_t size) throw ()
static void	dec_count (size_t dec)
void	free (void *ptr) throw ()
static void	inc_count (size_t inc)
void *	malloc (size_t size) throw ()
size_t	malloc_count_current (void)
size_t	malloc_count_peak (void)
void	malloc_count_print_status (void)
void	malloc_count_reset_peak (void)
void	malloc_count_set_callback (malloc_count_callback_type cb, void *cookie)
void *	realloc (void *ptr, size_t size) throw ()

Variables
static const size_t	alignment = 16
static malloc_count_callback_type	callback = NULL
static void *	callback_cookie = NULL
static long long	curr = 0
static char	init_heap [1024 *1024]
static size_t	init_heap_use = 0
static const int	log_operations = 1
static const int	log_operations_init_heap = 0
static const size_t	log_operations_threshold = 1024 * 1024
static long long	peak = 0
static free_type	real_free = NULL
static malloc_type	real_malloc = NULL
static realloc_type	real_realloc = NULL
static const size_t	sentinel = 0xDEADC0DE
static long long	total = 0

Macro Definition Documentation

#define _GNU_SOURCE

Definition at line 19 of file malloc_count.cpp.

#define INIT_HEAP_SIZE   1024 * 1024

Definition at line 55 of file malloc_count.cpp.

Referenced by malloc().

#define PPREFIX   "malloc_count ### "

Definition at line 61 of file malloc_count.cpp.

Referenced by __attribute__(), free(), malloc(), malloc_count_print_status(), and realloc().

#define THREAD_SAFE_GCC_INTRINSICS   STXXL_HAVE_SYNC_ADD_AND_FETCH

Definition at line 36 of file malloc_count.cpp.

Typedef Documentation

typedef void(* free_type)(void *)

Definition at line 44 of file malloc_count.cpp.

typedef void*(* malloc_type)(size_t)

Definition at line 43 of file malloc_count.cpp.

typedef void*(* realloc_type)(void *, size_t)

Definition at line 45 of file malloc_count.cpp.

Function Documentation

static __attribute__ ( (constructor)  )

static

Definition at line 313 of file malloc_count.cpp.

References PPREFIX, real_free, real_malloc, and real_realloc.

static __attribute__ ( (destructor)  )

static

Definition at line 340 of file malloc_count.cpp.

References curr, peak, PPREFIX, and total.

void* calloc	(	size_t	nmemb,
		size_t	size
	)
throw	(
	)

Definition at line 225 of file malloc_count.cpp.

References malloc().

static void dec_count ( size_t  dec )

static

Definition at line 88 of file malloc_count.cpp.

References callback, callback_cookie, and curr.

Referenced by free(), and realloc().

void free	(	void *	ptr	)
throw	(
	)

Definition at line 184 of file malloc_count.cpp.

References alignment, curr, dec_count(), init_heap, init_heap_use, log_operations, log_operations_init_heap, log_operations_threshold, PPREFIX, real_free, and sentinel.

Referenced by stxxl::aligned_alloc(), stxxl::aligned_dealloc(), stxxl::binary_buffer::dealloc(), stxxl::mem_file::discard(), stxxl::print_stacktrace(), realloc(), and stxxl::mem_file::~mem_file().

static void inc_count ( size_t  inc )

static

Definition at line 73 of file malloc_count.cpp.

References callback, callback_cookie, curr, peak, and total.

Referenced by malloc(), and realloc().

void* malloc	(	size_t	size	)
throw	(
	)

Definition at line 137 of file malloc_count.cpp.

References alignment, curr, inc_count(), init_heap, INIT_HEAP_SIZE, init_heap_use, log_operations, log_operations_init_heap, log_operations_threshold, PPREFIX, real_malloc, and sentinel.

Referenced by stxxl::aligned_alloc(), calloc(), stxxl::mem_file::discard(), stxxl::print_stacktrace(), and realloc().

size_t malloc_count_current

(

void

)

Definition at line 100 of file malloc_count.cpp.

References curr.

size_t malloc_count_peak

(

void

)

Definition at line 106 of file malloc_count.cpp.

References peak.

void malloc_count_print_status

(

void

)

Definition at line 118 of file malloc_count.cpp.

References curr, peak, and PPREFIX.

void malloc_count_reset_peak

(

void

)

Definition at line 112 of file malloc_count.cpp.

References curr, and peak.

void malloc_count_set_callback	(	malloc_count_callback_type	cb,
		void *	cookie
	)

Definition at line 125 of file malloc_count.cpp.

References callback, and callback_cookie.

void* realloc	(	void *	ptr,
		size_t	size
	)
throw	(
	)

Definition at line 236 of file malloc_count.cpp.

References alignment, curr, dec_count(), free(), inc_count(), init_heap, init_heap_use, log_operations, log_operations_init_heap, log_operations_threshold, malloc(), PPREFIX, and sentinel.

Referenced by stxxl::aligned_alloc(), stxxl::binary_buffer::alloc(), and stxxl::mem_file::set_size().

Variable Documentation

const size_t alignment = 16

static

Definition at line 40 of file malloc_count.cpp.

Referenced by free(), malloc(), and realloc().

malloc_count_callback_type callback = NULL

static

Definition at line 69 of file malloc_count.cpp.

Referenced by dec_count(), inc_count(), and malloc_count_set_callback().

void* callback_cookie = NULL

static

Definition at line 70 of file malloc_count.cpp.

Referenced by dec_count(), inc_count(), and malloc_count_set_callback().

long long curr = 0

static

Examples:

examples/applications/skew3.cpp.

Definition at line 67 of file malloc_count.cpp.

Referenced by __attribute__(), stxxl::hash_map::hash_map< KeyType, MappedType, HashType, CompareType, SubBlockSize, SubBlocksPerBlock, AllocType >::_erase_nodes(), stxxl::hash_map::hash_map< KeyType, MappedType, HashType, CompareType, SubBlockSize, SubBlocksPerBlock, AllocType >::_find_key_internal(), dec_count(), stxxl::stream::basic_runs_creator< stream::use_push< ValueType >, cmp_type, BlockSize, alloc_strategy_type >::fill_with_max_value(), stxxl::stream::runs_creator< use_push< ValueType >, CompareType, BlockSize, AllocStr >::fill_with_max_value(), free(), inc_count(), malloc(), malloc_count_current(), malloc_count_print_status(), malloc_count_reset_peak(), realloc(), and stxxl::vector_bufreader< VectorIteratorType >::rewind().

char init_heap[1024 *1024]

static

Definition at line 56 of file malloc_count.cpp.

Referenced by free(), malloc(), and realloc().

size_t init_heap_use = 0

static

Definition at line 57 of file malloc_count.cpp.

Referenced by free(), malloc(), and realloc().

const int log_operations = 1

static

Definition at line 32 of file malloc_count.cpp.

Referenced by free(), malloc(), and realloc().

const int log_operations_init_heap = 0

static

Definition at line 58 of file malloc_count.cpp.

Referenced by free(), malloc(), and realloc().

const size_t log_operations_threshold = 1024 * 1024

static

Definition at line 33 of file malloc_count.cpp.

Referenced by free(), malloc(), and realloc().

long long peak = 0

static

Definition at line 67 of file malloc_count.cpp.

Referenced by __attribute__(), inc_count(), malloc_count_peak(), malloc_count_print_status(), and malloc_count_reset_peak().

free_type real_free = NULL

static

Definition at line 48 of file malloc_count.cpp.

Referenced by __attribute__(), and free().

malloc_type real_malloc = NULL

static

Definition at line 47 of file malloc_count.cpp.

Referenced by __attribute__(), and malloc().

realloc_type real_realloc = NULL

static

Definition at line 49 of file malloc_count.cpp.

Referenced by __attribute__().

const size_t sentinel = 0xDEADC0DE

static

Definition at line 52 of file malloc_count.cpp.

Referenced by stxxl::priority_queue_local::int_merger< value_type, comparator_type, IntKMAX >::append_array(), stxxl::priority_queue_local::loser_tree< ValueType, CompareType, MaxArity >::compactTree(), stxxl::priority_queue_local::loser_tree< ValueType, CompareType, MaxArity >::deallocate_segment(), stxxl::priority_queue_local::loser_tree< ValueType, CompareType, MaxArity >::doubleK(), free(), stxxl::priority_queue_local::int_merger< value_type, comparator_type, IntKMAX >::free_array(), stxxl::priority_queue< ConfigType >::init(), stxxl::priority_queue_local::loser_tree< ValueType, CompareType, MaxArity >::init(), stxxl::priority_queue_local::int_merger< value_type, comparator_type, IntKMAX >::is_array_allocated(), stxxl::priority_queue_local::loser_tree< ValueType, CompareType, MaxArity >::is_segment_empty(), stxxl::priority_queue_local::int_merger< value_type, comparator_type, IntKMAX >::m_size(), stxxl::priority_queue_local::int_merger< value_type, comparator_type, IntKMAX >::make_array_sentinel(), malloc(), realloc(), stxxl::priority_queue_local::loser_tree< self_type, CompareType, MaxArity >::swap(), and stxxl::priority_queue_local::int_merger< value_type, comparator_type, IntKMAX >::swap().

long long total = 0

static

Definition at line 67 of file malloc_count.cpp.

Referenced by __attribute__(), stxxl::disk_allocator::dump(), stxxl::block_manager::get_free_bytes(), stxxl::block_manager::get_total_bytes(), and inc_count().