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kernel_samsung_sm7125/drivers/acpi/utilities/utalloc.c

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/******************************************************************************
*
* Module Name: utalloc - local cache and memory allocation routines
*
*****************************************************************************/
/*
* Copyright (C) 2000 - 2005, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#include <acpi/acpi.h>
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utalloc")
/* Local prototypes */
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
static struct acpi_debug_mem_block *
acpi_ut_find_allocation (
u32 list_id,
void *allocation);
static acpi_status
acpi_ut_track_allocation (
u32 list_id,
struct acpi_debug_mem_block *address,
acpi_size size,
u8 alloc_type,
u32 component,
char *module,
u32 line);
static acpi_status
acpi_ut_remove_allocation (
u32 list_id,
struct acpi_debug_mem_block *address,
u32 component,
char *module,
u32 line);
#endif /* ACPI_DBG_TRACK_ALLOCATIONS */
/*******************************************************************************
*
* FUNCTION: acpi_ut_release_to_cache
*
* PARAMETERS: list_id - Memory list/cache ID
* Object - The object to be released
*
* RETURN: None
*
* DESCRIPTION: Release an object to the specified cache. If cache is full,
* the object is deleted.
*
******************************************************************************/
void
acpi_ut_release_to_cache (
u32 list_id,
void *object)
{
struct acpi_memory_list *cache_info;
ACPI_FUNCTION_ENTRY ();
cache_info = &acpi_gbl_memory_lists[list_id];
#ifdef ACPI_ENABLE_OBJECT_CACHE
/* If walk cache is full, just free this wallkstate object */
if (cache_info->cache_depth >= cache_info->max_cache_depth) {
ACPI_MEM_FREE (object);
ACPI_MEM_TRACKING (cache_info->total_freed++);
}
/* Otherwise put this object back into the cache */
else {
if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
return;
}
/* Mark the object as cached */
ACPI_MEMSET (object, 0xCA, cache_info->object_size);
ACPI_SET_DESCRIPTOR_TYPE (object, ACPI_DESC_TYPE_CACHED);
/* Put the object at the head of the cache list */
* (ACPI_CAST_INDIRECT_PTR (char,
&(((char *) object)[cache_info->link_offset]))) = cache_info->list_head;
cache_info->list_head = object;
cache_info->cache_depth++;
(void) acpi_ut_release_mutex (ACPI_MTX_CACHES);
}
#else
/* Object cache is disabled; just free the object */
ACPI_MEM_FREE (object);
ACPI_MEM_TRACKING (cache_info->total_freed++);
#endif
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_acquire_from_cache
*
* PARAMETERS: list_id - Memory list ID
*
* RETURN: A requested object. NULL if the object could not be
* allocated.
*
* DESCRIPTION: Get an object from the specified cache. If cache is empty,
* the object is allocated.
*
******************************************************************************/
void *
acpi_ut_acquire_from_cache (
u32 list_id)
{
struct acpi_memory_list *cache_info;
void *object;
ACPI_FUNCTION_NAME ("ut_acquire_from_cache");
cache_info = &acpi_gbl_memory_lists[list_id];
#ifdef ACPI_ENABLE_OBJECT_CACHE
if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_CACHES))) {
return (NULL);
}
ACPI_MEM_TRACKING (cache_info->cache_requests++);
/* Check the cache first */
if (cache_info->list_head) {
/* There is an object available, use it */
object = cache_info->list_head;
cache_info->list_head = *(ACPI_CAST_INDIRECT_PTR (char,
&(((char *) object)[cache_info->link_offset])));
ACPI_MEM_TRACKING (cache_info->cache_hits++);
cache_info->cache_depth--;
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
ACPI_DEBUG_PRINT ((ACPI_DB_EXEC, "Object %p from %s\n",
object, acpi_gbl_memory_lists[list_id].list_name));
#endif
if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
return (NULL);
}
/* Clear (zero) the previously used Object */
ACPI_MEMSET (object, 0, cache_info->object_size);
}
else {
/* The cache is empty, create a new object */
/* Avoid deadlock with ACPI_MEM_CALLOCATE */
if (ACPI_FAILURE (acpi_ut_release_mutex (ACPI_MTX_CACHES))) {
return (NULL);
}
object = ACPI_MEM_CALLOCATE (cache_info->object_size);
ACPI_MEM_TRACKING (cache_info->total_allocated++);
}
#else
/* Object cache is disabled; just allocate the object */
object = ACPI_MEM_CALLOCATE (cache_info->object_size);
ACPI_MEM_TRACKING (cache_info->total_allocated++);
#endif
return (object);
}
#ifdef ACPI_ENABLE_OBJECT_CACHE
/*******************************************************************************
*
* FUNCTION: acpi_ut_delete_generic_cache
*
* PARAMETERS: list_id - Memory list ID
*
* RETURN: None
*
* DESCRIPTION: Free all objects within the requested cache.
*
******************************************************************************/
void
acpi_ut_delete_generic_cache (
u32 list_id)
{
struct acpi_memory_list *cache_info;
char *next;
ACPI_FUNCTION_ENTRY ();
cache_info = &acpi_gbl_memory_lists[list_id];
while (cache_info->list_head) {
/* Delete one cached state object */
next = *(ACPI_CAST_INDIRECT_PTR (char,
&(((char *) cache_info->list_head)[cache_info->link_offset])));
ACPI_MEM_FREE (cache_info->list_head);
cache_info->list_head = next;
cache_info->cache_depth--;
}
}
#endif
/*******************************************************************************
*
* FUNCTION: acpi_ut_validate_buffer
*
* PARAMETERS: Buffer - Buffer descriptor to be validated
*
* RETURN: Status
*
* DESCRIPTION: Perform parameter validation checks on an struct acpi_buffer
*
******************************************************************************/
acpi_status
acpi_ut_validate_buffer (
struct acpi_buffer *buffer)
{
/* Obviously, the structure pointer must be valid */
if (!buffer) {
return (AE_BAD_PARAMETER);
}
/* Special semantics for the length */
if ((buffer->length == ACPI_NO_BUFFER) ||
(buffer->length == ACPI_ALLOCATE_BUFFER) ||
(buffer->length == ACPI_ALLOCATE_LOCAL_BUFFER)) {
return (AE_OK);
}
/* Length is valid, the buffer pointer must be also */
if (!buffer->pointer) {
return (AE_BAD_PARAMETER);
}
return (AE_OK);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_initialize_buffer
*
* PARAMETERS: Buffer - Buffer to be validated
* required_length - Length needed
*
* RETURN: Status
*
* DESCRIPTION: Validate that the buffer is of the required length or
* allocate a new buffer. Returned buffer is always zeroed.
*
******************************************************************************/
acpi_status
acpi_ut_initialize_buffer (
struct acpi_buffer *buffer,
acpi_size required_length)
{
acpi_status status = AE_OK;
switch (buffer->length) {
case ACPI_NO_BUFFER:
/* Set the exception and returned the required length */
status = AE_BUFFER_OVERFLOW;
break;
case ACPI_ALLOCATE_BUFFER:
/* Allocate a new buffer */
buffer->pointer = acpi_os_allocate (required_length);
if (!buffer->pointer) {
return (AE_NO_MEMORY);
}
/* Clear the buffer */
ACPI_MEMSET (buffer->pointer, 0, required_length);
break;
case ACPI_ALLOCATE_LOCAL_BUFFER:
/* Allocate a new buffer with local interface to allow tracking */
buffer->pointer = ACPI_MEM_CALLOCATE (required_length);
if (!buffer->pointer) {
return (AE_NO_MEMORY);
}
break;
default:
/* Existing buffer: Validate the size of the buffer */
if (buffer->length < required_length) {
status = AE_BUFFER_OVERFLOW;
break;
}
/* Clear the buffer */
ACPI_MEMSET (buffer->pointer, 0, required_length);
break;
}
buffer->length = required_length;
return (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_allocate
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: The subsystem's equivalent of malloc.
*
******************************************************************************/
void *
acpi_ut_allocate (
acpi_size size,
u32 component,
char *module,
u32 line)
{
void *allocation;
ACPI_FUNCTION_TRACE_U32 ("ut_allocate", size);
/* Check for an inadvertent size of zero bytes */
if (!size) {
_ACPI_REPORT_ERROR (module, line, component,
("ut_allocate: Attempt to allocate zero bytes\n"));
size = 1;
}
allocation = acpi_os_allocate (size);
if (!allocation) {
/* Report allocation error */
_ACPI_REPORT_ERROR (module, line, component,
("ut_allocate: Could not allocate size %X\n", (u32) size));
return_PTR (NULL);
}
return_PTR (allocation);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_callocate
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: Subsystem equivalent of calloc.
*
******************************************************************************/
void *
acpi_ut_callocate (
acpi_size size,
u32 component,
char *module,
u32 line)
{
void *allocation;
ACPI_FUNCTION_TRACE_U32 ("ut_callocate", size);
/* Check for an inadvertent size of zero bytes */
if (!size) {
_ACPI_REPORT_ERROR (module, line, component,
("ut_callocate: Attempt to allocate zero bytes\n"));
return_PTR (NULL);
}
allocation = acpi_os_allocate (size);
if (!allocation) {
/* Report allocation error */
_ACPI_REPORT_ERROR (module, line, component,
("ut_callocate: Could not allocate size %X\n", (u32) size));
return_PTR (NULL);
}
/* Clear the memory block */
ACPI_MEMSET (allocation, 0, size);
return_PTR (allocation);
}
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
/*
* These procedures are used for tracking memory leaks in the subsystem, and
* they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
*
* Each memory allocation is tracked via a doubly linked list. Each
* element contains the caller's component, module name, function name, and
* line number. acpi_ut_allocate and acpi_ut_callocate call
* acpi_ut_track_allocation to add an element to the list; deletion
* occurs in the body of acpi_ut_free.
*/
/*******************************************************************************
*
* FUNCTION: acpi_ut_allocate_and_track
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: The subsystem's equivalent of malloc.
*
******************************************************************************/
void *
acpi_ut_allocate_and_track (
acpi_size size,
u32 component,
char *module,
u32 line)
{
struct acpi_debug_mem_block *allocation;
acpi_status status;
allocation = acpi_ut_allocate (size + sizeof (struct acpi_debug_mem_header),
component, module, line);
if (!allocation) {
return (NULL);
}
status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
ACPI_MEM_MALLOC, component, module, line);
if (ACPI_FAILURE (status)) {
acpi_os_free (allocation);
return (NULL);
}
acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
return ((void *) &allocation->user_space);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_callocate_and_track
*
* PARAMETERS: Size - Size of the allocation
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: Address of the allocated memory on success, NULL on failure.
*
* DESCRIPTION: Subsystem equivalent of calloc.
*
******************************************************************************/
void *
acpi_ut_callocate_and_track (
acpi_size size,
u32 component,
char *module,
u32 line)
{
struct acpi_debug_mem_block *allocation;
acpi_status status;
allocation = acpi_ut_callocate (size + sizeof (struct acpi_debug_mem_header),
component, module, line);
if (!allocation) {
/* Report allocation error */
_ACPI_REPORT_ERROR (module, line, component,
("ut_callocate: Could not allocate size %X\n", (u32) size));
return (NULL);
}
status = acpi_ut_track_allocation (ACPI_MEM_LIST_GLOBAL, allocation, size,
ACPI_MEM_CALLOC, component, module, line);
if (ACPI_FAILURE (status)) {
acpi_os_free (allocation);
return (NULL);
}
acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_allocated++;
acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size += (u32) size;
return ((void *) &allocation->user_space);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_free_and_track
*
* PARAMETERS: Allocation - Address of the memory to deallocate
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: None
*
* DESCRIPTION: Frees the memory at Allocation
*
******************************************************************************/
void
acpi_ut_free_and_track (
void *allocation,
u32 component,
char *module,
u32 line)
{
struct acpi_debug_mem_block *debug_block;
acpi_status status;
ACPI_FUNCTION_TRACE_PTR ("ut_free", allocation);
if (NULL == allocation) {
_ACPI_REPORT_ERROR (module, line, component,
("acpi_ut_free: Attempt to delete a NULL address\n"));
return_VOID;
}
debug_block = ACPI_CAST_PTR (struct acpi_debug_mem_block,
(((char *) allocation) - sizeof (struct acpi_debug_mem_header)));
acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].total_freed++;
acpi_gbl_memory_lists[ACPI_MEM_LIST_GLOBAL].current_total_size -= debug_block->size;
status = acpi_ut_remove_allocation (ACPI_MEM_LIST_GLOBAL, debug_block,
component, module, line);
if (ACPI_FAILURE (status)) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Could not free memory, %s\n",
acpi_format_exception (status)));
}
acpi_os_free (debug_block);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", allocation));
return_VOID;
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_find_allocation
*
* PARAMETERS: list_id - Memory list to search
* Allocation - Address of allocated memory
*
* RETURN: A list element if found; NULL otherwise.
*
* DESCRIPTION: Searches for an element in the global allocation tracking list.
*
******************************************************************************/
static struct acpi_debug_mem_block *
acpi_ut_find_allocation (
u32 list_id,
void *allocation)
{
struct acpi_debug_mem_block *element;
ACPI_FUNCTION_ENTRY ();
if (list_id > ACPI_MEM_LIST_MAX) {
return (NULL);
}
element = acpi_gbl_memory_lists[list_id].list_head;
/* Search for the address. */
while (element) {
if (element == allocation) {
return (element);
}
element = element->next;
}
return (NULL);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_track_allocation
*
* PARAMETERS: list_id - Memory list to search
* Allocation - Address of allocated memory
* Size - Size of the allocation
* alloc_type - MEM_MALLOC or MEM_CALLOC
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN: None.
*
* DESCRIPTION: Inserts an element into the global allocation tracking list.
*
******************************************************************************/
static acpi_status
acpi_ut_track_allocation (
u32 list_id,
struct acpi_debug_mem_block *allocation,
acpi_size size,
u8 alloc_type,
u32 component,
char *module,
u32 line)
{
struct acpi_memory_list *mem_list;
struct acpi_debug_mem_block *element;
acpi_status status = AE_OK;
ACPI_FUNCTION_TRACE_PTR ("ut_track_allocation", allocation);
if (list_id > ACPI_MEM_LIST_MAX) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
mem_list = &acpi_gbl_memory_lists[list_id];
status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
/*
* Search list for this address to make sure it is not already on the list.
* This will catch several kinds of problems.
*/
element = acpi_ut_find_allocation (list_id, allocation);
if (element) {
ACPI_REPORT_ERROR ((
"ut_track_allocation: Allocation already present in list! (%p)\n",
allocation));
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR, "Element %p Address %p\n",
element, allocation));
goto unlock_and_exit;
}
/* Fill in the instance data. */
allocation->size = (u32) size;
allocation->alloc_type = alloc_type;
allocation->component = component;
allocation->line = line;
ACPI_STRNCPY (allocation->module, module, ACPI_MAX_MODULE_NAME);
allocation->module[ACPI_MAX_MODULE_NAME-1] = 0;
/* Insert at list head */
if (mem_list->list_head) {
((struct acpi_debug_mem_block *)(mem_list->list_head))->previous = allocation;
}
allocation->next = mem_list->list_head;
allocation->previous = NULL;
mem_list->list_head = allocation;
unlock_and_exit:
status = acpi_ut_release_mutex (ACPI_MTX_MEMORY);
return_ACPI_STATUS (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_remove_allocation
*
* PARAMETERS: list_id - Memory list to search
* Allocation - Address of allocated memory
* Component - Component type of caller
* Module - Source file name of caller
* Line - Line number of caller
*
* RETURN:
*
* DESCRIPTION: Deletes an element from the global allocation tracking list.
*
******************************************************************************/
static acpi_status
acpi_ut_remove_allocation (
u32 list_id,
struct acpi_debug_mem_block *allocation,
u32 component,
char *module,
u32 line)
{
struct acpi_memory_list *mem_list;
acpi_status status;
ACPI_FUNCTION_TRACE ("ut_remove_allocation");
if (list_id > ACPI_MEM_LIST_MAX) {
return_ACPI_STATUS (AE_BAD_PARAMETER);
}
mem_list = &acpi_gbl_memory_lists[list_id];
if (NULL == mem_list->list_head) {
/* No allocations! */
_ACPI_REPORT_ERROR (module, line, component,
("ut_remove_allocation: Empty allocation list, nothing to free!\n"));
return_ACPI_STATUS (AE_OK);
}
status = acpi_ut_acquire_mutex (ACPI_MTX_MEMORY);
if (ACPI_FAILURE (status)) {
return_ACPI_STATUS (status);
}
/* Unlink */
if (allocation->previous) {
(allocation->previous)->next = allocation->next;
}
else {
mem_list->list_head = allocation->next;
}
if (allocation->next) {
(allocation->next)->previous = allocation->previous;
}
/* Mark the segment as deleted */
ACPI_MEMSET (&allocation->user_space, 0xEA, allocation->size);
ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
allocation->size));
status = acpi_ut_release_mutex (ACPI_MTX_MEMORY);
return_ACPI_STATUS (status);
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_dump_allocation_info
*
* PARAMETERS:
*
* RETURN: None
*
* DESCRIPTION: Print some info about the outstanding allocations.
*
******************************************************************************/
#ifdef ACPI_FUTURE_USAGE
void
acpi_ut_dump_allocation_info (
void)
{
/*
struct acpi_memory_list *mem_list;
*/
ACPI_FUNCTION_TRACE ("ut_dump_allocation_info");
/*
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Current allocations",
mem_list->current_count,
ROUND_UP_TO_1K (mem_list->current_size)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
mem_list->max_concurrent_count,
ROUND_UP_TO_1K (mem_list->max_concurrent_size)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
running_object_count,
ROUND_UP_TO_1K (running_object_size)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
running_alloc_count,
ROUND_UP_TO_1K (running_alloc_size)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Current Nodes",
acpi_gbl_current_node_count,
ROUND_UP_TO_1K (acpi_gbl_current_node_size)));
ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
("%30s: %4d (%3d Kb)\n", "Max Nodes",
acpi_gbl_max_concurrent_node_count,
ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count *
sizeof (struct acpi_namespace_node)))));
*/
return_VOID;
}
#endif /* ACPI_FUTURE_USAGE */
/*******************************************************************************
*
* FUNCTION: acpi_ut_dump_allocations
*
* PARAMETERS: Component - Component(s) to dump info for.
* Module - Module to dump info for. NULL means all.
*
* RETURN: None
*
* DESCRIPTION: Print a list of all outstanding allocations.
*
******************************************************************************/
void
acpi_ut_dump_allocations (
u32 component,
char *module)
{
struct acpi_debug_mem_block *element;
union acpi_descriptor *descriptor;
u32 num_outstanding = 0;
ACPI_FUNCTION_TRACE ("ut_dump_allocations");
/*
* Walk the allocation list.
*/
if (ACPI_FAILURE (acpi_ut_acquire_mutex (ACPI_MTX_MEMORY))) {
return;
}
element = acpi_gbl_memory_lists[0].list_head;
while (element) {
if ((element->component & component) &&
((module == NULL) || (0 == ACPI_STRCMP (module, element->module)))) {
/* Ignore allocated objects that are in a cache */
descriptor = ACPI_CAST_PTR (union acpi_descriptor, &element->user_space);
if (descriptor->descriptor_id != ACPI_DESC_TYPE_CACHED) {
acpi_os_printf ("%p Len %04X %9.9s-%d [%s] ",
descriptor, element->size, element->module,
element->line, acpi_ut_get_descriptor_name (descriptor));
/* Most of the elements will be Operand objects. */
switch (ACPI_GET_DESCRIPTOR_TYPE (descriptor)) {
case ACPI_DESC_TYPE_OPERAND:
acpi_os_printf ("%12.12s R%hd",
acpi_ut_get_type_name (descriptor->object.common.type),
descriptor->object.common.reference_count);
break;
case ACPI_DESC_TYPE_PARSER:
acpi_os_printf ("aml_opcode %04hX",
descriptor->op.asl.aml_opcode);
break;
case ACPI_DESC_TYPE_NAMED:
acpi_os_printf ("%4.4s",
acpi_ut_get_node_name (&descriptor->node));
break;
default:
break;
}
acpi_os_printf ( "\n");
num_outstanding++;
}
}
element = element->next;
}
(void) acpi_ut_release_mutex (ACPI_MTX_MEMORY);
/* Print summary */
if (!num_outstanding) {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"No outstanding allocations.\n"));
}
else {
ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
"%d(%X) Outstanding allocations\n",
num_outstanding, num_outstanding));
}
return_VOID;
}
#endif /* #ifdef ACPI_DBG_TRACK_ALLOCATIONS */