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-rw-r--r--storage/xtradb/mem/mem0dbg.cc1050
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diff --git a/storage/xtradb/mem/mem0dbg.cc b/storage/xtradb/mem/mem0dbg.cc
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-/*****************************************************************************
-
-Copyright (c) 1994, 2016, Oracle and/or its affiliates. All Rights Reserved.
-
-This program is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free Software
-Foundation; version 2 of the License.
-
-This program is distributed in the hope that it will be useful, but WITHOUT
-ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
-FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License along with
-this program; if not, write to the Free Software Foundation, Inc.,
-51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA
-
-*****************************************************************************/
-
-/********************************************************************//**
-@file mem/mem0dbg.cc
-The memory management: the debug code. This is not a compilation module,
-but is included in mem0mem.* !
-
-Created 6/9/1994 Heikki Tuuri
-*************************************************************************/
-
-#ifdef UNIV_MEM_DEBUG
-# ifndef UNIV_HOTBACKUP
-# include "ha_prototypes.h"
-/* The mutex which protects in the debug version the hash table
-containing the list of live memory heaps, and also the global
-variables below. */
-UNIV_INTERN ib_mutex_t mem_hash_mutex;
-
-#ifdef UNIV_PFS_MUTEX
-/* Key to register mem_hash_mutex with performance schema */
-UNIV_INTERN mysql_pfs_key_t mem_hash_mutex_key;
-#endif /* UNIV_PFS_MUTEX */
-
-# endif /* !UNIV_HOTBACKUP */
-
-/* The following variables contain information about the
-extent of memory allocations. Only used in the debug version.
-Protected by mem_hash_mutex above. */
-
-static ulint mem_n_created_heaps = 0;
-static ulint mem_n_allocations = 0;
-static ulint mem_total_allocated_memory = 0;
-UNIV_INTERN ulint mem_current_allocated_memory = 0;
-static ulint mem_max_allocated_memory = 0;
-# ifndef UNIV_HOTBACKUP
-static ulint mem_last_print_info = 0;
-static ibool mem_hash_initialized = FALSE;
-# endif /* !UNIV_HOTBACKUP */
-
-/* Size of the hash table for memory management tracking */
-#define MEM_HASH_SIZE 997
-
-/* The node of the list containing currently allocated memory heaps */
-
-struct mem_hash_node_t {
- UT_LIST_NODE_T(mem_hash_node_t)
- list; /*!< hash list node */
- mem_heap_t* heap; /*!< memory heap */
- const char* file_name;/* file where heap was created*/
- ulint line; /*!< file line of creation */
- ulint nth_heap;/* this is the nth heap created */
- UT_LIST_NODE_T(mem_hash_node_t)
- all_list;/* list of all created heaps */
-};
-
-typedef UT_LIST_BASE_NODE_T(mem_hash_node_t) mem_hash_cell_t;
-
-/* The hash table of allocated heaps */
-static mem_hash_cell_t mem_hash_table[MEM_HASH_SIZE];
-
-/* The base node of the list of all allocated heaps */
-static mem_hash_cell_t mem_all_list_base;
-
-
-
-UNIV_INLINE
-mem_hash_cell_t*
-mem_hash_get_nth_cell(ulint i);
-
-/* Accessor function for the hash table. Returns a pointer to the
-table cell. */
-UNIV_INLINE
-mem_hash_cell_t*
-mem_hash_get_nth_cell(ulint i)
-{
- ut_a(i < MEM_HASH_SIZE);
-
- return(&(mem_hash_table[i]));
-}
-
-/* Accessor functions for a memory field in the debug version */
-UNIV_INTERN
-void
-mem_field_header_set_len(byte* field, ulint len)
-{
- mach_write_to_4(field - 2 * sizeof(ulint), len);
-}
-
-UNIV_INTERN
-ulint
-mem_field_header_get_len(byte* field)
-{
- return(mach_read_from_4(field - 2 * sizeof(ulint)));
-}
-
-UNIV_INTERN
-void
-mem_field_header_set_check(byte* field, ulint check)
-{
- mach_write_to_4(field - sizeof(ulint), check);
-}
-
-UNIV_INTERN
-ulint
-mem_field_header_get_check(byte* field)
-{
- return(mach_read_from_4(field - sizeof(ulint)));
-}
-
-UNIV_INTERN
-void
-mem_field_trailer_set_check(byte* field, ulint check)
-{
- mach_write_to_4(field + mem_field_header_get_len(field), check);
-}
-
-UNIV_INTERN
-ulint
-mem_field_trailer_get_check(byte* field)
-{
- return(mach_read_from_4(field
- + mem_field_header_get_len(field)));
-}
-#endif /* UNIV_MEM_DEBUG */
-
-#ifndef UNIV_HOTBACKUP
-/******************************************************************//**
-Initializes the memory system. */
-UNIV_INTERN
-void
-mem_init(
-/*=====*/
- ulint size) /*!< in: common pool size in bytes */
-{
-#ifdef UNIV_MEM_DEBUG
-
- ulint i;
-
- /* Initialize the hash table */
- ut_a(FALSE == mem_hash_initialized);
-
- mutex_create(mem_hash_mutex_key, &mem_hash_mutex, SYNC_MEM_HASH);
-
- for (i = 0; i < MEM_HASH_SIZE; i++) {
- UT_LIST_INIT(*mem_hash_get_nth_cell(i));
- }
-
- UT_LIST_INIT(mem_all_list_base);
-
- mem_hash_initialized = TRUE;
-#endif
-
- if (UNIV_LIKELY(srv_use_sys_malloc)) {
- /* When innodb_use_sys_malloc is set, the
- mem_comm_pool won't be used for any allocations. We
- create a dummy mem_comm_pool, because some statistics
- and debugging code relies on it being initialized. */
- size = 1;
- }
-
- mem_comm_pool = mem_pool_create(size);
-}
-
-/******************************************************************//**
-Closes the memory system. */
-UNIV_INTERN
-void
-mem_close(void)
-/*===========*/
-{
- mem_pool_free(mem_comm_pool);
- mem_comm_pool = NULL;
-#ifdef UNIV_MEM_DEBUG
- mutex_free(&mem_hash_mutex);
- mem_hash_initialized = FALSE;
-#endif /* UNIV_MEM_DEBUG */
-}
-#endif /* !UNIV_HOTBACKUP */
-
-#ifdef UNIV_MEM_DEBUG
-/******************************************************************//**
-Initializes an allocated memory field in the debug version. */
-UNIV_INTERN
-void
-mem_field_init(
-/*===========*/
- byte* buf, /*!< in: memory field */
- ulint n) /*!< in: how many bytes the user requested */
-{
- ulint rnd;
- byte* usr_buf;
-
- usr_buf = buf + MEM_FIELD_HEADER_SIZE;
-
- /* In the debug version write the length field and the
- check fields to the start and the end of the allocated storage.
- The field header consists of a length field and
- a random number field, in this order. The field trailer contains
- the same random number as a check field. */
-
- mem_field_header_set_len(usr_buf, n);
-
- rnd = ut_rnd_gen_ulint();
-
- mem_field_header_set_check(usr_buf, rnd);
- mem_field_trailer_set_check(usr_buf, rnd);
-
- /* Update the memory allocation information */
-
- mutex_enter(&mem_hash_mutex);
-
- mem_total_allocated_memory += n;
- mem_current_allocated_memory += n;
- mem_n_allocations++;
-
- if (mem_current_allocated_memory > mem_max_allocated_memory) {
- mem_max_allocated_memory = mem_current_allocated_memory;
- }
-
- mutex_exit(&mem_hash_mutex);
-
- /* In the debug version set the buffer to a random
- combination of 0xBA and 0xBE */
-
- mem_init_buf(usr_buf, n);
-}
-
-/******************************************************************//**
-Erases an allocated memory field in the debug version. */
-UNIV_INTERN
-void
-mem_field_erase(
-/*============*/
- byte* buf, /*!< in: memory field */
- ulint n MY_ATTRIBUTE((unused)))
- /*!< in: how many bytes the user requested */
-{
- byte* usr_buf;
-
- usr_buf = buf + MEM_FIELD_HEADER_SIZE;
-
- mutex_enter(&mem_hash_mutex);
- mem_current_allocated_memory -= n;
- mutex_exit(&mem_hash_mutex);
-
- /* Check that the field lengths agree */
- ut_ad(n == (ulint) mem_field_header_get_len(usr_buf));
-
- /* In the debug version, set the freed space to a random
- combination of 0xDE and 0xAD */
-
- mem_erase_buf(buf, MEM_SPACE_NEEDED(n));
-}
-
-/***************************************************************//**
-Initializes a buffer to a random combination of hex BA and BE.
-Used to initialize allocated memory. */
-UNIV_INTERN
-void
-mem_init_buf(
-/*=========*/
- byte* buf, /*!< in: pointer to buffer */
- ulint n) /*!< in: length of buffer */
-{
- byte* ptr;
-
- UNIV_MEM_ASSERT_W(buf, n);
-
- for (ptr = buf; ptr < buf + n; ptr++) {
-
- if (ut_rnd_gen_ibool()) {
- *ptr = 0xBA;
- } else {
- *ptr = 0xBE;
- }
- }
-
- UNIV_MEM_INVALID(buf, n);
-}
-
-/***************************************************************//**
-Initializes a buffer to a random combination of hex DE and AD.
-Used to erase freed memory. */
-UNIV_INTERN
-void
-mem_erase_buf(
-/*==========*/
- byte* buf, /*!< in: pointer to buffer */
- ulint n) /*!< in: length of buffer */
-{
- byte* ptr;
-
- UNIV_MEM_ASSERT_W(buf, n);
-
- for (ptr = buf; ptr < buf + n; ptr++) {
- if (ut_rnd_gen_ibool()) {
- *ptr = 0xDE;
- } else {
- *ptr = 0xAD;
- }
- }
-
- UNIV_MEM_FREE(buf, n);
-}
-
-/***************************************************************//**
-Inserts a created memory heap to the hash table of current allocated
-memory heaps. */
-UNIV_INTERN
-void
-mem_hash_insert(
-/*============*/
- mem_heap_t* heap, /*!< in: the created heap */
- const char* file_name, /*!< in: file name of creation */
- ulint line) /*!< in: line where created */
-{
- mem_hash_node_t* new_node;
- ulint cell_no ;
-
- ut_ad(mem_heap_check(heap));
-
- mutex_enter(&mem_hash_mutex);
-
- cell_no = ut_hash_ulint((ulint) heap, MEM_HASH_SIZE);
-
- /* Allocate a new node to the list */
- new_node = static_cast<mem_hash_node_t*>(ut_malloc(sizeof(*new_node)));
-
- new_node->heap = heap;
- new_node->file_name = file_name;
- new_node->line = line;
- new_node->nth_heap = mem_n_created_heaps;
-
- /* Insert into lists */
- UT_LIST_ADD_FIRST(list, *mem_hash_get_nth_cell(cell_no), new_node);
-
- UT_LIST_ADD_LAST(all_list, mem_all_list_base, new_node);
-
- mem_n_created_heaps++;
-
- mutex_exit(&mem_hash_mutex);
-}
-
-/***************************************************************//**
-Removes a memory heap (which is going to be freed by the caller)
-from the list of live memory heaps. Returns the size of the heap
-in terms of how much memory in bytes was allocated for the user of
-the heap (not the total space occupied by the heap).
-Also validates the heap.
-NOTE: This function does not free the storage occupied by the
-heap itself, only the node in the list of heaps. */
-UNIV_INTERN
-void
-mem_hash_remove(
-/*============*/
- mem_heap_t* heap, /*!< in: the heap to be freed */
- const char* file_name, /*!< in: file name of freeing */
- ulint line) /*!< in: line where freed */
-{
- mem_hash_node_t* node;
- ulint cell_no;
- ibool error;
- ulint size;
-
- ut_ad(mem_heap_check(heap));
-
- mutex_enter(&mem_hash_mutex);
-
- cell_no = ut_hash_ulint((ulint) heap, MEM_HASH_SIZE);
-
- /* Look for the heap in the hash table list */
- node = UT_LIST_GET_FIRST(*mem_hash_get_nth_cell(cell_no));
-
- while (node != NULL) {
- if (node->heap == heap) {
-
- break;
- }
-
- node = UT_LIST_GET_NEXT(list, node);
- }
-
- if (node == NULL) {
- fprintf(stderr,
- "Memory heap or buffer freed in %s line %lu"
- " did not exist.\n",
- innobase_basename(file_name), (ulong) line);
- ut_error;
- }
-
- /* Remove from lists */
- UT_LIST_REMOVE(list, *mem_hash_get_nth_cell(cell_no), node);
-
- UT_LIST_REMOVE(all_list, mem_all_list_base, node);
-
- /* Validate the heap which will be freed */
- mem_heap_validate_or_print(node->heap, NULL, FALSE, &error, &size,
- NULL, NULL);
- if (error) {
- fprintf(stderr,
- "Inconsistency in memory heap or"
- " buffer n:o %lu created\n"
- "in %s line %lu and tried to free in %s line %lu.\n"
- "Hex dump of 400 bytes around memory heap"
- " first block start:\n",
- node->nth_heap,
- innobase_basename(node->file_name), (ulong) node->line,
- innobase_basename(file_name), (ulong) line);
- ut_print_buf(stderr, (byte*) node->heap - 200, 400);
- fputs("\nDump of the mem heap:\n", stderr);
- mem_heap_validate_or_print(node->heap, NULL, TRUE, &error,
- &size, NULL, NULL);
- ut_error;
- }
-
- /* Free the memory occupied by the node struct */
- ut_free(node);
-
- mem_current_allocated_memory -= size;
-
- mutex_exit(&mem_hash_mutex);
-}
-#endif /* UNIV_MEM_DEBUG */
-
-#if defined UNIV_MEM_DEBUG || defined UNIV_DEBUG
-/***************************************************************//**
-Checks a memory heap for consistency and prints the contents if requested.
-Outputs the sum of sizes of buffers given to the user (only in
-the debug version), the physical size of the heap and the number of
-blocks in the heap. In case of error returns 0 as sizes and number
-of blocks. */
-UNIV_INTERN
-void
-mem_heap_validate_or_print(
-/*=======================*/
- mem_heap_t* heap, /*!< in: memory heap */
- byte* top MY_ATTRIBUTE((unused)),
- /*!< in: calculate and validate only until
- this top pointer in the heap is reached,
- if this pointer is NULL, ignored */
- ibool print, /*!< in: if TRUE, prints the contents
- of the heap; works only in
- the debug version */
- ibool* error, /*!< out: TRUE if error */
- ulint* us_size,/*!< out: allocated memory
- (for the user) in the heap,
- if a NULL pointer is passed as this
- argument, it is ignored; in the
- non-debug version this is always -1 */
- ulint* ph_size,/*!< out: physical size of the heap,
- if a NULL pointer is passed as this
- argument, it is ignored */
- ulint* n_blocks) /*!< out: number of blocks in the heap,
- if a NULL pointer is passed as this
- argument, it is ignored */
-{
- mem_block_t* block;
- ulint total_len = 0;
- ulint block_count = 0;
- ulint phys_len = 0;
-#ifdef UNIV_MEM_DEBUG
- ulint len;
- byte* field;
- byte* user_field;
- ulint check_field;
-#endif
-
- /* Pessimistically, we set the parameters to error values */
- if (us_size != NULL) {
- *us_size = 0;
- }
- if (ph_size != NULL) {
- *ph_size = 0;
- }
- if (n_blocks != NULL) {
- *n_blocks = 0;
- }
- *error = TRUE;
-
- block = heap;
-
- if (block->magic_n != MEM_BLOCK_MAGIC_N) {
- return;
- }
-
- if (print) {
- fputs("Memory heap:", stderr);
- }
-
- while (block != NULL) {
- phys_len += mem_block_get_len(block);
-
- if ((block->type == MEM_HEAP_BUFFER)
- && (mem_block_get_len(block) > UNIV_PAGE_SIZE)) {
-
- fprintf(stderr,
- "InnoDB: Error: mem block %p"
- " length %lu > UNIV_PAGE_SIZE\n",
- (void*) block,
- (ulong) mem_block_get_len(block));
- /* error */
-
- return;
- }
-
-#ifdef UNIV_MEM_DEBUG
- /* We can trace the fields of the block only in the debug
- version */
- if (print) {
- fprintf(stderr, " Block %ld:", block_count);
- }
-
- field = (byte*) block + mem_block_get_start(block);
-
- if (top && (field == top)) {
-
- goto completed;
- }
-
- while (field < (byte*) block + mem_block_get_free(block)) {
-
- /* Calculate the pointer to the storage
- which was given to the user */
-
- user_field = field + MEM_FIELD_HEADER_SIZE;
-
- len = mem_field_header_get_len(user_field);
-
- if (print) {
- ut_print_buf(stderr, user_field, len);
- putc('\n', stderr);
- }
-
- total_len += len;
- check_field = mem_field_header_get_check(user_field);
-
- if (check_field
- != mem_field_trailer_get_check(user_field)) {
- /* error */
-
- fprintf(stderr,
- "InnoDB: Error: block %lx mem"
- " field %lx len %lu\n"
- "InnoDB: header check field is"
- " %lx but trailer %lx\n",
- (ulint) block,
- (ulint) field, len, check_field,
- mem_field_trailer_get_check(
- user_field));
-
- return;
- }
-
- /* Move to next field */
- field = field + MEM_SPACE_NEEDED(len);
-
- if (top && (field == top)) {
-
- goto completed;
- }
-
- }
-
- /* At the end check that we have arrived to the first free
- position */
-
- if (field != (byte*) block + mem_block_get_free(block)) {
- /* error */
-
- fprintf(stderr,
- "InnoDB: Error: block %lx end of"
- " mem fields %lx\n"
- "InnoDB: but block free at %lx\n",
- (ulint) block, (ulint) field,
- (ulint)((byte*) block
- + mem_block_get_free(block)));
-
- return;
- }
-
-#endif
-
- block = UT_LIST_GET_NEXT(list, block);
- block_count++;
- }
-#ifdef UNIV_MEM_DEBUG
-completed:
-#endif
- if (us_size != NULL) {
- *us_size = total_len;
- }
- if (ph_size != NULL) {
- *ph_size = phys_len;
- }
- if (n_blocks != NULL) {
- *n_blocks = block_count;
- }
- *error = FALSE;
-}
-
-/**************************************************************//**
-Prints the contents of a memory heap. */
-static
-void
-mem_heap_print(
-/*===========*/
- mem_heap_t* heap) /*!< in: memory heap */
-{
- ibool error;
- ulint us_size;
- ulint phys_size;
- ulint n_blocks;
-
- ut_ad(mem_heap_check(heap));
-
- mem_heap_validate_or_print(heap, NULL, TRUE, &error,
- &us_size, &phys_size, &n_blocks);
- fprintf(stderr,
- "\nheap type: %lu; size: user size %lu;"
- " physical size %lu; blocks %lu.\n",
- (ulong) heap->type, (ulong) us_size,
- (ulong) phys_size, (ulong) n_blocks);
- ut_a(!error);
-}
-
-/**************************************************************//**
-Validates the contents of a memory heap.
-@return TRUE if ok */
-UNIV_INTERN
-ibool
-mem_heap_validate(
-/*==============*/
- mem_heap_t* heap) /*!< in: memory heap */
-{
- ibool error;
- ulint us_size;
- ulint phys_size;
- ulint n_blocks;
-
- ut_ad(mem_heap_check(heap));
-
- mem_heap_validate_or_print(heap, NULL, FALSE, &error, &us_size,
- &phys_size, &n_blocks);
- if (error) {
- mem_heap_print(heap);
- }
-
- ut_a(!error);
-
- return(TRUE);
-}
-#endif /* UNIV_MEM_DEBUG || UNIV_DEBUG */
-
-#ifdef UNIV_DEBUG
-/**************************************************************//**
-Checks that an object is a memory heap (or a block of it).
-@return TRUE if ok */
-UNIV_INTERN
-ibool
-mem_heap_check(
-/*===========*/
- mem_heap_t* heap) /*!< in: memory heap */
-{
- ut_a(heap->magic_n == MEM_BLOCK_MAGIC_N);
-
- return(TRUE);
-}
-#endif /* UNIV_DEBUG */
-
-#ifdef UNIV_MEM_DEBUG
-/*****************************************************************//**
-TRUE if no memory is currently allocated.
-@return TRUE if no heaps exist */
-UNIV_INTERN
-ibool
-mem_all_freed(void)
-/*===============*/
-{
- mem_hash_node_t* node;
- ulint heap_count = 0;
- ulint i;
-
- mem_validate();
-
- mutex_enter(&mem_hash_mutex);
-
- for (i = 0; i < MEM_HASH_SIZE; i++) {
-
- node = UT_LIST_GET_FIRST(*mem_hash_get_nth_cell(i));
- while (node != NULL) {
- heap_count++;
- node = UT_LIST_GET_NEXT(list, node);
- }
- }
-
- mutex_exit(&mem_hash_mutex);
-
- if (heap_count == 0) {
-# ifndef UNIV_HOTBACKUP
- ut_a(mem_pool_get_reserved(mem_comm_pool) == 0);
-# endif /* !UNIV_HOTBACKUP */
-
- return(TRUE);
- } else {
- return(FALSE);
- }
-}
-
-/*****************************************************************//**
-Validates the dynamic memory allocation system.
-@return TRUE if error */
-UNIV_INTERN
-ibool
-mem_validate_no_assert(void)
-/*========================*/
-{
- mem_hash_node_t* node;
- ulint n_heaps = 0;
- ulint allocated_mem;
- ulint ph_size;
- ulint total_allocated_mem = 0;
- ibool error = FALSE;
- ulint n_blocks;
- ulint i;
-
-# ifndef UNIV_HOTBACKUP
- mem_pool_validate(mem_comm_pool);
-# endif /* !UNIV_HOTBACKUP */
-
- mutex_enter(&mem_hash_mutex);
-
- for (i = 0; i < MEM_HASH_SIZE; i++) {
-
- node = UT_LIST_GET_FIRST(*mem_hash_get_nth_cell(i));
-
- while (node != NULL) {
- n_heaps++;
-
- mem_heap_validate_or_print(node->heap, NULL,
- FALSE, &error,
- &allocated_mem,
- &ph_size, &n_blocks);
-
- if (error) {
- fprintf(stderr,
- "\nERROR!!!!!!!!!!!!!!!!!!!"
- "!!!!!!!!!!!!!!!!!!!!!!!\n\n"
- "Inconsistency in memory heap"
- " or buffer created\n"
- "in %s line %lu.\n",
- innobase_basename(node->file_name),
- node->line);
-
- mutex_exit(&mem_hash_mutex);
-
- return(TRUE);
- }
-
- total_allocated_mem += allocated_mem;
- node = UT_LIST_GET_NEXT(list, node);
- }
- }
-
- if ((n_heaps == 0) && (mem_current_allocated_memory != 0)) {
- error = TRUE;
- }
-
- if (mem_total_allocated_memory < mem_current_allocated_memory) {
- error = TRUE;
- }
-
- if (mem_max_allocated_memory > mem_total_allocated_memory) {
- error = TRUE;
- }
-
- if (mem_n_created_heaps < n_heaps) {
- error = TRUE;
- }
-
- mutex_exit(&mem_hash_mutex);
-
- return(error);
-}
-
-/************************************************************//**
-Validates the dynamic memory
-@return TRUE if ok */
-UNIV_INTERN
-ibool
-mem_validate(void)
-/*==============*/
-{
- ut_a(!mem_validate_no_assert());
-
- return(TRUE);
-}
-#endif /* UNIV_MEM_DEBUG */
-
-/************************************************************//**
-Tries to find neigboring memory allocation blocks and dumps to stderr
-the neighborhood of a given pointer. */
-UNIV_INTERN
-void
-mem_analyze_corruption(
-/*===================*/
- void* ptr) /*!< in: pointer to place of possible corruption */
-{
- byte* p;
- ulint i;
- ulint dist;
-
- fputs("InnoDB: Apparent memory corruption: mem dump ", stderr);
- ut_print_buf(stderr, (byte*) ptr - 250, 500);
-
- fputs("\nInnoDB: Scanning backward trying to find"
- " previous allocated mem blocks\n", stderr);
-
- p = (byte*) ptr;
- dist = 0;
-
- for (i = 0; i < 10; i++) {
- for (;;) {
- if (((ulint) p) % 4 == 0) {
-
- if (*((ulint*) p) == MEM_BLOCK_MAGIC_N) {
- fprintf(stderr,
- "Mem block at - %lu,"
- " file %s, line %lu\n",
- (ulong) dist,
- (p + sizeof(ulint)),
- (ulong)
- (*(ulint*)(p + 8
- + sizeof(ulint))));
-
- break;
- }
-
- if (*((ulint*) p) == MEM_FREED_BLOCK_MAGIC_N) {
- fprintf(stderr,
- "Freed mem block at - %lu,"
- " file %s, line %lu\n",
- (ulong) dist,
- (p + sizeof(ulint)),
- (ulong)
- (*(ulint*)(p + 8
- + sizeof(ulint))));
-
- break;
- }
- }
-
- p--;
- dist++;
- }
-
- p--;
- dist++;
- }
-
- fprintf(stderr,
- "InnoDB: Scanning forward trying to find next"
- " allocated mem blocks\n");
-
- p = (byte*) ptr;
- dist = 0;
-
- for (i = 0; i < 10; i++) {
- for (;;) {
- if (((ulint) p) % 4 == 0) {
-
- if (*((ulint*) p) == MEM_BLOCK_MAGIC_N) {
- fprintf(stderr,
- "Mem block at + %lu, file %s,"
- " line %lu\n",
- (ulong) dist,
- (p + sizeof(ulint)),
- (ulong)
- (*(ulint*)(p + 8
- + sizeof(ulint))));
-
- break;
- }
-
- if (*((ulint*) p) == MEM_FREED_BLOCK_MAGIC_N) {
- fprintf(stderr,
- "Freed mem block at + %lu,"
- " file %s, line %lu\n",
- (ulong) dist,
- (p + sizeof(ulint)),
- (ulong)
- (*(ulint*)(p + 8
- + sizeof(ulint))));
-
- break;
- }
- }
-
- p++;
- dist++;
- }
-
- p++;
- dist++;
- }
-}
-
-#ifndef UNIV_HOTBACKUP
-/*****************************************************************//**
-Prints information of dynamic memory usage and currently allocated
-memory heaps or buffers. Can only be used in the debug version. */
-static
-void
-mem_print_info_low(
-/*===============*/
- ibool print_all) /*!< in: if TRUE, all heaps are printed,
- else only the heaps allocated after the
- previous call of this function */
-{
-#ifdef UNIV_MEM_DEBUG
- mem_hash_node_t* node;
- ulint n_heaps = 0;
- ulint allocated_mem;
- ulint ph_size;
- ulint total_allocated_mem = 0;
- ibool error;
- ulint n_blocks;
-#endif
- FILE* outfile;
-
- /* outfile = fopen("ibdebug", "a"); */
-
- outfile = stdout;
-
- fprintf(outfile, "\n");
- fprintf(outfile,
- "________________________________________________________\n");
- fprintf(outfile, "MEMORY ALLOCATION INFORMATION\n\n");
-
-#ifndef UNIV_MEM_DEBUG
-
- UT_NOT_USED(print_all);
-
- mem_pool_print_info(outfile, mem_comm_pool);
-
- fprintf(outfile,
- "Sorry, non-debug version cannot give more memory info\n");
-
- /* fclose(outfile); */
-
- return;
-#else
- mutex_enter(&mem_hash_mutex);
-
- fprintf(outfile, "LIST OF CREATED HEAPS AND ALLOCATED BUFFERS: \n\n");
-
- if (!print_all) {
- fprintf(outfile, "AFTER THE LAST PRINT INFO\n");
- }
-
- node = UT_LIST_GET_FIRST(mem_all_list_base);
-
- while (node != NULL) {
- n_heaps++;
-
- if (!print_all && node->nth_heap < mem_last_print_info) {
-
- goto next_heap;
- }
-
- mem_heap_validate_or_print(node->heap, NULL,
- FALSE, &error, &allocated_mem,
- &ph_size, &n_blocks);
- total_allocated_mem += allocated_mem;
-
- fprintf(outfile,
- "%lu: file %s line %lu of size %lu phys.size %lu"
- " with %lu blocks, type %lu\n",
- node->nth_heap,
- innobase_basename(node->file_name), node->line,
- allocated_mem, ph_size, n_blocks,
- (node->heap)->type);
-next_heap:
- node = UT_LIST_GET_NEXT(all_list, node);
- }
-
- fprintf(outfile, "\n");
-
- fprintf(outfile, "Current allocated memory : %lu\n",
- mem_current_allocated_memory);
- fprintf(outfile, "Current allocated heaps and buffers : %lu\n",
- n_heaps);
- fprintf(outfile, "Cumulative allocated memory : %lu\n",
- mem_total_allocated_memory);
- fprintf(outfile, "Maximum allocated memory : %lu\n",
- mem_max_allocated_memory);
- fprintf(outfile, "Cumulative created heaps and buffers : %lu\n",
- mem_n_created_heaps);
- fprintf(outfile, "Cumulative number of allocations : %lu\n",
- mem_n_allocations);
-
- mem_last_print_info = mem_n_created_heaps;
-
- mutex_exit(&mem_hash_mutex);
-
- mem_pool_print_info(outfile, mem_comm_pool);
-
- /* mem_validate(); */
-
- /* fclose(outfile); */
-#endif
-}
-
-/*****************************************************************//**
-Prints information of dynamic memory usage and currently allocated memory
-heaps or buffers. Can only be used in the debug version. */
-UNIV_INTERN
-void
-mem_print_info(void)
-/*================*/
-{
- mem_print_info_low(TRUE);
-}
-
-/*****************************************************************//**
-Prints information of dynamic memory usage and currently allocated memory
-heaps or buffers since the last ..._print_info or..._print_new_info. */
-UNIV_INTERN
-void
-mem_print_new_info(void)
-/*====================*/
-{
- mem_print_info_low(FALSE);
-}
-#endif /* !UNIV_HOTBACKUP */