URL https://opencores.org/ocsvn/or1k/or1k/trunk
Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [acpi/] [utilities/] [utalloc.c] - Blame information for rev 1774

Go to most recent revision | Details | Compare with Previous | View Log

/******************************************************************************
 *
 * Module Name: utalloc - local cache and memory allocation routines
 *
 *****************************************************************************/
 
/*
 * Copyright (C) 2000 - 2004, 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")
 
 
/******************************************************************************
 *
 * 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 ();
 
 
        /* If walk cache is full, just free this wallkstate object */
 
        cache_info = &acpi_gbl_memory_lists[list_id];
        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);
        }
}
 
 
/******************************************************************************
 *
 * 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];
        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++);
        }
 
        return (object);
}
 
 
/******************************************************************************
 *
 * 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--;
        }
}
 
 
/*******************************************************************************
 *
 * 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:  required_length     - Length needed
 *              Buffer              - Buffer to be validated
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Validate that the buffer is of the required length or
 *              allocate a new buffer.
 *
 ******************************************************************************/
 
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_ALLOCATE (required_length);
                if (!buffer->pointer) {
                        return (AE_NO_MEMORY);
                }
 
                /* Clear the buffer */
 
                ACPI_MEMSET (buffer->pointer, 0, required_length);
                break;
 
 
        default:
 
                /* Validate the size of the buffer */
 
                if (buffer->length < required_length) {
                        status = AE_BUFFER_OVERFLOW;
                }
                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_block), 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_block), 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:  Allocation             - Address of allocated memory
 *
 * RETURN:      A list element if found; NULL otherwise.
 *
 * DESCRIPTION: Searches for an element in the global allocation tracking list.
 *
 ******************************************************************************/
 
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:  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.
 *
 ******************************************************************************/
 
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);
 
        /* 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:  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.
 *
 ******************************************************************************/
 
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.
 *
 ******************************************************************************/
 
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;
}
 
 
/*******************************************************************************
 *
 * 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 */
 
Browse

Tools

Subversion Repositories or1k

[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [acpi/] [utilities/] [utalloc.c] - Blame information for rev 1774

Line No.	Rev	Author	Line
1	1275	phoenix	`/******************************************************************************`
2			`*`
3			`* Module Name: utalloc - local cache and memory allocation routines`
4			`*`
5			`*****************************************************************************/`
6
7			`/*`
8			`* Copyright (C) 2000 - 2004, R. Byron Moore`
9			`* All rights reserved.`
10			`*`
11			`* Redistribution and use in source and binary forms, with or without`
12			`* modification, are permitted provided that the following conditions`
13			`* are met:`
14			`* 1. Redistributions of source code must retain the above copyright`
15			`* notice, this list of conditions, and the following disclaimer,`
16			`* without modification.`
17			`* 2. Redistributions in binary form must reproduce at minimum a disclaimer`
18			`* substantially similar to the "NO WARRANTY" disclaimer below`
19			`* ("Disclaimer") and any redistribution must be conditioned upon`
20			`* including a substantially similar Disclaimer requirement for further`
21			`* binary redistribution.`
22			`* 3. Neither the names of the above-listed copyright holders nor the names`
23			`* of any contributors may be used to endorse or promote products derived`
24			`* from this software without specific prior written permission.`
25			`*`
26			`* Alternatively, this software may be distributed under the terms of the`
27			`* GNU General Public License ("GPL") version 2 as published by the Free`
28			`* Software Foundation.`
29			`*`
30			`* NO WARRANTY`
31			`* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS`
32			`* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT`
33			`* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR`
34			`* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT`
35			`* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL`
36			`* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS`
37			`* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)`
38			`* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,`
39			`* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING`
40			`* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE`