FreeBSD/Linux Kernel Cross Reference
sys/contrib/dev/acpica/components/utilities/uttrack.c

     /******************************************************************************
      *
      * Module Name: uttrack - Memory allocation tracking routines (debug only)
      *
      *****************************************************************************/
     
     /******************************************************************************
      *
      * 1. Copyright Notice
     *
     * Some or all of this work - Copyright (c) 1999 - 2022, Intel Corp.
     * All rights reserved.
     *
     * 2. License
     *
     * 2.1. This is your license from Intel Corp. under its intellectual property
     * rights. You may have additional license terms from the party that provided
     * you this software, covering your right to use that party's intellectual
     * property rights.
     *
     * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
     * copy of the source code appearing in this file ("Covered Code") an
     * irrevocable, perpetual, worldwide license under Intel's copyrights in the
     * base code distributed originally by Intel ("Original Intel Code") to copy,
     * make derivatives, distribute, use and display any portion of the Covered
     * Code in any form, with the right to sublicense such rights; and
     *
     * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
     * license (with the right to sublicense), under only those claims of Intel
     * patents that are infringed by the Original Intel Code, to make, use, sell,
     * offer to sell, and import the Covered Code and derivative works thereof
     * solely to the minimum extent necessary to exercise the above copyright
     * license, and in no event shall the patent license extend to any additions
     * to or modifications of the Original Intel Code. No other license or right
     * is granted directly or by implication, estoppel or otherwise;
     *
     * The above copyright and patent license is granted only if the following
     * conditions are met:
     *
     * 3. Conditions
     *
     * 3.1. Redistribution of Source with Rights to Further Distribute Source.
     * Redistribution of source code of any substantial portion of the Covered
     * Code or modification with rights to further distribute source must include
     * the above Copyright Notice, the above License, this list of Conditions,
     * and the following Disclaimer and Export Compliance provision. In addition,
     * Licensee must cause all Covered Code to which Licensee contributes to
     * contain a file documenting the changes Licensee made to create that Covered
     * Code and the date of any change. Licensee must include in that file the
     * documentation of any changes made by any predecessor Licensee. Licensee
     * must include a prominent statement that the modification is derived,
     * directly or indirectly, from Original Intel Code.
     *
     * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
     * Redistribution of source code of any substantial portion of the Covered
     * Code or modification without rights to further distribute source must
     * include the following Disclaimer and Export Compliance provision in the
     * documentation and/or other materials provided with distribution. In
     * addition, Licensee may not authorize further sublicense of source of any
     * portion of the Covered Code, and must include terms to the effect that the
     * license from Licensee to its licensee is limited to the intellectual
     * property embodied in the software Licensee provides to its licensee, and
     * not to intellectual property embodied in modifications its licensee may
     * make.
     *
     * 3.3. Redistribution of Executable. Redistribution in executable form of any
     * substantial portion of the Covered Code or modification must reproduce the
     * above Copyright Notice, and the following Disclaimer and Export Compliance
     * provision in the documentation and/or other materials provided with the
     * distribution.
     *
     * 3.4. Intel retains all right, title, and interest in and to the Original
     * Intel Code.
     *
     * 3.5. Neither the name Intel nor any other trademark owned or controlled by
     * Intel shall be used in advertising or otherwise to promote the sale, use or
     * other dealings in products derived from or relating to the Covered Code
     * without prior written authorization from Intel.
     *
     * 4. Disclaimer and Export Compliance
     *
     * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
     * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
     * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
     * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
     * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
     * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
     * PARTICULAR PURPOSE.
     *
     * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
     * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
     * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
     * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
     * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
     * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
     * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
     * LIMITED REMEDY.
     *
     * 4.3. Licensee shall not export, either directly or indirectly, any of this
    * software or system incorporating such software without first obtaining any
    * required license or other approval from the U. S. Department of Commerce or
    * any other agency or department of the United States Government. In the
    * event Licensee exports any such software from the United States or
    * re-exports any such software from a foreign destination, Licensee shall
    * ensure that the distribution and export/re-export of the software is in
    * compliance with all laws, regulations, orders, or other restrictions of the
    * U.S. Export Administration Regulations. Licensee agrees that neither it nor
    * any of its subsidiaries will export/re-export any technical data, process,
    * software, or service, directly or indirectly, to any country for which the
    * United States government or any agency thereof requires an export license,
    * other governmental approval, or letter of assurance, without first obtaining
    * such license, approval or letter.
    *
    *****************************************************************************
    *
    * Alternatively, you may choose to be licensed under the terms of the
    * following license:
    *
    * 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.
    *
    * 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 MERCHANTABILITY AND FITNESS FOR
    * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    * 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 DAMAGE.
    *
    * Alternatively, you may choose to be licensed under the terms of the
    * GNU General Public License ("GPL") version 2 as published by the Free
    * Software Foundation.
    *
    *****************************************************************************/
   
   /*
    * 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. AcpiUtAllocate and AcpiUtAllocateZeroed call
    * AcpiUtTrackAllocation to add an element to the list; deletion
    * occurs in the body of AcpiUtFree.
    */
   
   #include <contrib/dev/acpica/include/acpi.h>
   #include <contrib/dev/acpica/include/accommon.h>
   
   #ifdef ACPI_DBG_TRACK_ALLOCATIONS
   
   #define _COMPONENT          ACPI_UTILITIES
           ACPI_MODULE_NAME    ("uttrack")
   
   
   /* Local prototypes */
   
   static ACPI_DEBUG_MEM_BLOCK *
   AcpiUtFindAllocation (
       ACPI_DEBUG_MEM_BLOCK    *Allocation);
   
   static ACPI_STATUS
   AcpiUtTrackAllocation (
       ACPI_DEBUG_MEM_BLOCK    *Address,
       ACPI_SIZE               Size,
       UINT8                   AllocType,
       UINT32                  Component,
       const char              *Module,
       UINT32                  Line);
   
   static ACPI_STATUS
   AcpiUtRemoveAllocation (
       ACPI_DEBUG_MEM_BLOCK    *Address,
       UINT32                  Component,
       const char              *Module,
       UINT32                  Line);
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtCreateList
    *
    * PARAMETERS:  CacheName       - Ascii name for the cache
    *              ObjectSize      - Size of each cached object
    *              ReturnCache     - Where the new cache object is returned
    *
    * RETURN:      Status
    *
    * DESCRIPTION: Create a local memory list for tracking purposed
    *
    ******************************************************************************/
   
   ACPI_STATUS
   AcpiUtCreateList (
       const char              *ListName,
       UINT16                  ObjectSize,
       ACPI_MEMORY_LIST        **ReturnCache)
   {
       ACPI_MEMORY_LIST        *Cache;
   
   
       Cache = AcpiOsAllocateZeroed (sizeof (ACPI_MEMORY_LIST));
       if (!Cache)
       {
           return (AE_NO_MEMORY);
       }
   
       Cache->ListName = ListName;
       Cache->ObjectSize = ObjectSize;
   
       *ReturnCache = Cache;
       return (AE_OK);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtAllocateAndTrack
    *
    * 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 *
   AcpiUtAllocateAndTrack (
       ACPI_SIZE               Size,
       UINT32                  Component,
       const char              *Module,
       UINT32                  Line)
   {
       ACPI_DEBUG_MEM_BLOCK    *Allocation;
       ACPI_STATUS             Status;
   
   
       /* Check for an inadvertent size of zero bytes */
   
       if (!Size)
       {
           ACPI_WARNING ((Module, Line,
               "Attempt to allocate zero bytes, allocating 1 byte"));
           Size = 1;
       }
   
       Allocation = AcpiOsAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER));
       if (!Allocation)
       {
           /* Report allocation error */
   
           ACPI_WARNING ((Module, Line,
               "Could not allocate size %u", (UINT32) Size));
   
           return (NULL);
       }
   
       Status = AcpiUtTrackAllocation (
           Allocation, Size, ACPI_MEM_MALLOC, Component, Module, Line);
       if (ACPI_FAILURE (Status))
       {
           AcpiOsFree (Allocation);
           return (NULL);
       }
   
       AcpiGbl_GlobalList->TotalAllocated++;
       AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
       AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
   
       if (AcpiGbl_GlobalList->CurrentTotalSize >
           AcpiGbl_GlobalList->MaxOccupied)
       {
           AcpiGbl_GlobalList->MaxOccupied =
               AcpiGbl_GlobalList->CurrentTotalSize;
       }
   
       return ((void *) &Allocation->UserSpace);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtAllocateZeroedAndTrack
    *
    * 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 *
   AcpiUtAllocateZeroedAndTrack (
       ACPI_SIZE               Size,
       UINT32                  Component,
       const char              *Module,
       UINT32                  Line)
   {
       ACPI_DEBUG_MEM_BLOCK    *Allocation;
       ACPI_STATUS             Status;
   
   
       /* Check for an inadvertent size of zero bytes */
   
       if (!Size)
       {
           ACPI_WARNING ((Module, Line,
               "Attempt to allocate zero bytes, allocating 1 byte"));
           Size = 1;
       }
   
       Allocation = AcpiOsAllocateZeroed (
           Size + sizeof (ACPI_DEBUG_MEM_HEADER));
       if (!Allocation)
       {
           /* Report allocation error */
   
           ACPI_ERROR ((Module, Line,
               "Could not allocate size %u", (UINT32) Size));
           return (NULL);
       }
   
       Status = AcpiUtTrackAllocation (Allocation, Size,
           ACPI_MEM_CALLOC, Component, Module, Line);
       if (ACPI_FAILURE (Status))
       {
           AcpiOsFree (Allocation);
           return (NULL);
       }
   
       AcpiGbl_GlobalList->TotalAllocated++;
       AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
       AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
   
       if (AcpiGbl_GlobalList->CurrentTotalSize >
           AcpiGbl_GlobalList->MaxOccupied)
       {
           AcpiGbl_GlobalList->MaxOccupied =
               AcpiGbl_GlobalList->CurrentTotalSize;
       }
   
       return ((void *) &Allocation->UserSpace);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtFreeAndTrack
    *
    * 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
   AcpiUtFreeAndTrack (
       void                    *Allocation,
       UINT32                  Component,
       const char              *Module,
       UINT32                  Line)
   {
       ACPI_DEBUG_MEM_BLOCK    *DebugBlock;
       ACPI_STATUS             Status;
   
   
       ACPI_FUNCTION_TRACE_PTR (UtFree, Allocation);
   
   
       if (NULL == Allocation)
       {
           ACPI_ERROR ((Module, Line,
               "Attempt to delete a NULL address"));
   
           return_VOID;
       }
   
       DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK,
           (((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER)));
   
       AcpiGbl_GlobalList->TotalFreed++;
       AcpiGbl_GlobalList->CurrentTotalSize -= DebugBlock->Size;
   
       Status = AcpiUtRemoveAllocation (DebugBlock, Component, Module, Line);
       if (ACPI_FAILURE (Status))
       {
           ACPI_EXCEPTION ((AE_INFO, Status, "Could not free memory"));
       }
   
       AcpiOsFree (DebugBlock);
       ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed (block %p)\n",
           Allocation, DebugBlock));
       return_VOID;
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtFindAllocation
    *
    * PARAMETERS:  Allocation              - Address of allocated memory
    *
    * RETURN:      Three cases:
    *              1) List is empty, NULL is returned.
    *              2) Element was found. Returns Allocation parameter.
    *              3) Element was not found. Returns position where it should be
    *                  inserted into the list.
    *
    * DESCRIPTION: Searches for an element in the global allocation tracking list.
    *              If the element is not found, returns the location within the
    *              list where the element should be inserted.
    *
    *              Note: The list is ordered by larger-to-smaller addresses.
    *
    *              This global list is used to detect memory leaks in ACPICA as
    *              well as other issues such as an attempt to release the same
    *              internal object more than once. Although expensive as far
    *              as cpu time, this list is much more helpful for finding these
    *              types of issues than using memory leak detectors outside of
    *              the ACPICA code.
    *
    ******************************************************************************/
   
   static ACPI_DEBUG_MEM_BLOCK *
   AcpiUtFindAllocation (
       ACPI_DEBUG_MEM_BLOCK    *Allocation)
   {
       ACPI_DEBUG_MEM_BLOCK    *Element;
   
   
       Element = AcpiGbl_GlobalList->ListHead;
       if (!Element)
       {
           return (NULL);
       }
   
       /*
        * Search for the address.
        *
        * Note: List is ordered by larger-to-smaller addresses, on the
        * assumption that a new allocation usually has a larger address
        * than previous allocations.
        */
       while (Element > Allocation)
       {
           /* Check for end-of-list */
   
           if (!Element->Next)
           {
               return (Element);
           }
   
           Element = Element->Next;
       }
   
       if (Element == Allocation)
       {
           return (Element);
       }
   
       return (Element->Previous);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtTrackAllocation
    *
    * PARAMETERS:  Allocation          - Address of allocated memory
    *              Size                - Size of the allocation
    *              AllocType           - MEM_MALLOC or MEM_CALLOC
    *              Component           - Component type of caller
    *              Module              - Source file name of caller
    *              Line                - Line number of caller
    *
    * RETURN:      Status
    *
    * DESCRIPTION: Inserts an element into the global allocation tracking list.
    *
    ******************************************************************************/
   
   static ACPI_STATUS
   AcpiUtTrackAllocation (
       ACPI_DEBUG_MEM_BLOCK    *Allocation,
       ACPI_SIZE               Size,
       UINT8                   AllocType,
       UINT32                  Component,
       const char              *Module,
       UINT32                  Line)
   {
       ACPI_MEMORY_LIST        *MemList;
       ACPI_DEBUG_MEM_BLOCK    *Element;
       ACPI_STATUS             Status = AE_OK;
   
   
       ACPI_FUNCTION_TRACE_PTR (UtTrackAllocation, Allocation);
   
   
       if (AcpiGbl_DisableMemTracking)
       {
           return_ACPI_STATUS (AE_OK);
       }
   
       MemList = AcpiGbl_GlobalList;
       Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
       if (ACPI_FAILURE (Status))
       {
           return_ACPI_STATUS (Status);
       }
   
       /*
        * Search the global list for this address to make sure it is not
        * already present. This will catch several kinds of problems.
        */
       Element = AcpiUtFindAllocation (Allocation);
       if (Element == Allocation)
       {
           ACPI_ERROR ((AE_INFO,
               "UtTrackAllocation: Allocation (%p) already present in global list!",
               Allocation));
           goto UnlockAndExit;
       }
   
       /* Fill in the instance data */
   
       Allocation->Size = (UINT32) Size;
       Allocation->AllocType = AllocType;
       Allocation->Component = Component;
       Allocation->Line = Line;
   
       AcpiUtSafeStrncpy (Allocation->Module, (char *) Module, ACPI_MAX_MODULE_NAME);
   
       if (!Element)
       {
           /* Insert at list head */
   
           if (MemList->ListHead)
           {
               ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous =
                   Allocation;
           }
   
           Allocation->Next = MemList->ListHead;
           Allocation->Previous = NULL;
   
           MemList->ListHead = Allocation;
       }
       else
       {
           /* Insert after element */
   
           Allocation->Next = Element->Next;
           Allocation->Previous = Element;
   
           if (Element->Next)
           {
               (Element->Next)->Previous = Allocation;
           }
   
           Element->Next = Allocation;
       }
   
   
   UnlockAndExit:
       Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
       return_ACPI_STATUS (Status);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtRemoveAllocation
    *
    * PARAMETERS:  Allocation          - Address of allocated memory
    *              Component           - Component type of caller
    *              Module              - Source file name of caller
    *              Line                - Line number of caller
    *
    * RETURN:      Status
    *
    * DESCRIPTION: Deletes an element from the global allocation tracking list.
    *
    ******************************************************************************/
   
   static ACPI_STATUS
   AcpiUtRemoveAllocation (
       ACPI_DEBUG_MEM_BLOCK    *Allocation,
       UINT32                  Component,
       const char              *Module,
       UINT32                  Line)
   {
       ACPI_MEMORY_LIST        *MemList;
       ACPI_STATUS             Status;
   
   
       ACPI_FUNCTION_NAME (UtRemoveAllocation);
   
   
       if (AcpiGbl_DisableMemTracking)
       {
           return (AE_OK);
       }
   
       MemList = AcpiGbl_GlobalList;
       if (NULL == MemList->ListHead)
       {
           /* No allocations! */
   
           ACPI_ERROR ((Module, Line,
               "Empty allocation list, nothing to free!"));
   
           return (AE_OK);
       }
   
       Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
       if (ACPI_FAILURE (Status))
       {
           return (Status);
       }
   
       /* Unlink */
   
       if (Allocation->Previous)
       {
           (Allocation->Previous)->Next = Allocation->Next;
       }
       else
       {
           MemList->ListHead = Allocation->Next;
       }
   
       if (Allocation->Next)
       {
           (Allocation->Next)->Previous = Allocation->Previous;
       }
   
       ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing %p, size 0%X\n",
           &Allocation->UserSpace, Allocation->Size));
   
       /* Mark the segment as deleted */
   
       memset (&Allocation->UserSpace, 0xEA, Allocation->Size);
   
       Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
       return (Status);
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtDumpAllocationInfo
    *
    * PARAMETERS:  None
    *
    * RETURN:      None
    *
    * DESCRIPTION: Print some info about the outstanding allocations.
    *
    ******************************************************************************/
   
   void
   AcpiUtDumpAllocationInfo (
       void)
   {
   /*
       ACPI_MEMORY_LIST        *MemList;
   */
   
       ACPI_FUNCTION_TRACE (UtDumpAllocationInfo);
   
   /*
       ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
           ("%30s: %4d (%3d Kb)\n", "Current allocations",
           MemList->CurrentCount,
           ROUND_UP_TO_1K (MemList->CurrentSize)));
   
       ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
           ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
           MemList->MaxConcurrentCount,
           ROUND_UP_TO_1K (MemList->MaxConcurrentSize)));
   
   
       ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
           ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
           RunningObjectCount,
           ROUND_UP_TO_1K (RunningObjectSize)));
   
       ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
           ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
           RunningAllocCount,
           ROUND_UP_TO_1K (RunningAllocSize)));
   
   
       ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
           ("%30s: %4d (%3d Kb)\n", "Current Nodes",
           AcpiGbl_CurrentNodeCount,
           ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize)));
   
       ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
           ("%30s: %4d (%3d Kb)\n", "Max Nodes",
           AcpiGbl_MaxConcurrentNodeCount,
           ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount *
               sizeof (ACPI_NAMESPACE_NODE)))));
   */
       return_VOID;
   }
   
   
   /*******************************************************************************
    *
    * FUNCTION:    AcpiUtDumpAllocations
    *
    * 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
   AcpiUtDumpAllocations (
       UINT32                  Component,
       const char              *Module)
   {
       ACPI_DEBUG_MEM_BLOCK    *Element;
       ACPI_DESCRIPTOR         *Descriptor;
       UINT32                  NumOutstanding = 0;
       UINT8                   DescriptorType;
   
   
       ACPI_FUNCTION_TRACE (UtDumpAllocations);
   
   
       if (AcpiGbl_DisableMemTracking)
       {
           return_VOID;
       }
   
       /*
        * Walk the allocation list.
        */
       if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY)))
       {
           return_VOID;
       }
   
       if (!AcpiGbl_GlobalList)
       {
           goto Exit;
       }
   
       Element = AcpiGbl_GlobalList->ListHead;
       while (Element)
       {
           if ((Element->Component & Component) &&
               ((Module == NULL) || (0 == strcmp (Module, Element->Module))))
           {
               Descriptor = ACPI_CAST_PTR (
                   ACPI_DESCRIPTOR, &Element->UserSpace);
   
               if (Element->Size < sizeof (ACPI_COMMON_DESCRIPTOR))
               {
                   AcpiOsPrintf ("%p Length 0x%04X %9.9s-%4.4u "
                       "[Not a Descriptor - too small]\n",
                       Descriptor, Element->Size, Element->Module,
                       Element->Line);
               }
               else
               {
                   /* Ignore allocated objects that are in a cache */
   
                   if (ACPI_GET_DESCRIPTOR_TYPE (Descriptor) !=
                       ACPI_DESC_TYPE_CACHED)
                   {
                       AcpiOsPrintf ("%p Length 0x%04X %9.9s-%4.4u [%s] ",
                           Descriptor, Element->Size, Element->Module,
                           Element->Line, AcpiUtGetDescriptorName (Descriptor));
   
                       /* Optional object hex dump */
   
                       if (AcpiGbl_VerboseLeakDump)
                       {
                           AcpiOsPrintf ("\n");
                           AcpiUtDumpBuffer ((UINT8 *) Descriptor, Element->Size,
                               DB_BYTE_DISPLAY, 0);
                       }
   
                       /* Validate the descriptor type using Type field and length */
   
                       DescriptorType = 0; /* Not a valid descriptor type */
   
                       switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor))
                       {
                       case ACPI_DESC_TYPE_OPERAND:
   
                           if (Element->Size == sizeof (ACPI_OPERAND_OBJECT))
                           {
                               DescriptorType = ACPI_DESC_TYPE_OPERAND;
                           }
                           break;
   
                       case ACPI_DESC_TYPE_PARSER:
   
                           if (Element->Size == sizeof (ACPI_PARSE_OBJECT))
                           {
                               DescriptorType = ACPI_DESC_TYPE_PARSER;
                           }
                           break;
   
                       case ACPI_DESC_TYPE_NAMED:
   
                           if (Element->Size == sizeof (ACPI_NAMESPACE_NODE))
                           {
                               DescriptorType = ACPI_DESC_TYPE_NAMED;
                           }
                           break;
   
                       default:
   
                           break;
                       }
   
                       /* Display additional info for the major descriptor types */
   
                       switch (DescriptorType)
                       {
                       case ACPI_DESC_TYPE_OPERAND:
   
                           AcpiOsPrintf ("%12.12s  RefCount 0x%04X\n",
                               AcpiUtGetTypeName (Descriptor->Object.Common.Type),
                               Descriptor->Object.Common.ReferenceCount);
                           break;
   
                       case ACPI_DESC_TYPE_PARSER:
   
                           AcpiOsPrintf ("AmlOpcode 0x%04X\n",
                               Descriptor->Op.Asl.AmlOpcode);
                           break;
   
                       case ACPI_DESC_TYPE_NAMED:
   
                           AcpiOsPrintf ("%4.4s\n",
                               AcpiUtGetNodeName (&Descriptor->Node));
                           break;
   
                       default:
   
                           AcpiOsPrintf ( "\n");
                           break;
                       }
                   }
               }
   
               NumOutstanding++;
           }
   
           Element = Element->Next;
       }
   
   Exit:
       (void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
   
       /* Print summary */
   
       if (!NumOutstanding)
       {
           ACPI_INFO (("No outstanding allocations"));
       }
       else
       {
           ACPI_ERROR ((AE_INFO, "%u (0x%X) Outstanding cache allocations",
               NumOutstanding, NumOutstanding));
       }
   
       return_VOID;
   }
   
   #endif  /* ACPI_DBG_TRACK_ALLOCATIONS */

Cache object: 7617633f1eed250690159aec95eeea6d