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uttrack.c revision 1.1
      1 /******************************************************************************
      2  *
      3  * Module Name: uttrack - Memory allocation tracking routines (debug only)
      4  *
      5  *****************************************************************************/
      6 
      7 /******************************************************************************
      8  *
      9  * 1. Copyright Notice
     10  *
     11  * Some or all of this work - Copyright (c) 1999 - 2010, Intel Corp.
     12  * All rights reserved.
     13  *
     14  * 2. License
     15  *
     16  * 2.1. This is your license from Intel Corp. under its intellectual property
     17  * rights.  You may have additional license terms from the party that provided
     18  * you this software, covering your right to use that party's intellectual
     19  * property rights.
     20  *
     21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
     22  * copy of the source code appearing in this file ("Covered Code") an
     23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
     24  * base code distributed originally by Intel ("Original Intel Code") to copy,
     25  * make derivatives, distribute, use and display any portion of the Covered
     26  * Code in any form, with the right to sublicense such rights; and
     27  *
     28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
     29  * license (with the right to sublicense), under only those claims of Intel
     30  * patents that are infringed by the Original Intel Code, to make, use, sell,
     31  * offer to sell, and import the Covered Code and derivative works thereof
     32  * solely to the minimum extent necessary to exercise the above copyright
     33  * license, and in no event shall the patent license extend to any additions
     34  * to or modifications of the Original Intel Code.  No other license or right
     35  * is granted directly or by implication, estoppel or otherwise;
     36  *
     37  * The above copyright and patent license is granted only if the following
     38  * conditions are met:
     39  *
     40  * 3. Conditions
     41  *
     42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
     43  * Redistribution of source code of any substantial portion of the Covered
     44  * Code or modification with rights to further distribute source must include
     45  * the above Copyright Notice, the above License, this list of Conditions,
     46  * and the following Disclaimer and Export Compliance provision.  In addition,
     47  * Licensee must cause all Covered Code to which Licensee contributes to
     48  * contain a file documenting the changes Licensee made to create that Covered
     49  * Code and the date of any change.  Licensee must include in that file the
     50  * documentation of any changes made by any predecessor Licensee.  Licensee
     51  * must include a prominent statement that the modification is derived,
     52  * directly or indirectly, from Original Intel Code.
     53  *
     54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
     55  * Redistribution of source code of any substantial portion of the Covered
     56  * Code or modification without rights to further distribute source must
     57  * include the following Disclaimer and Export Compliance provision in the
     58  * documentation and/or other materials provided with distribution.  In
     59  * addition, Licensee may not authorize further sublicense of source of any
     60  * portion of the Covered Code, and must include terms to the effect that the
     61  * license from Licensee to its licensee is limited to the intellectual
     62  * property embodied in the software Licensee provides to its licensee, and
     63  * not to intellectual property embodied in modifications its licensee may
     64  * make.
     65  *
     66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
     67  * substantial portion of the Covered Code or modification must reproduce the
     68  * above Copyright Notice, and the following Disclaimer and Export Compliance
     69  * provision in the documentation and/or other materials provided with the
     70  * distribution.
     71  *
     72  * 3.4. Intel retains all right, title, and interest in and to the Original
     73  * Intel Code.
     74  *
     75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
     76  * Intel shall be used in advertising or otherwise to promote the sale, use or
     77  * other dealings in products derived from or relating to the Covered Code
     78  * without prior written authorization from Intel.
     79  *
     80  * 4. Disclaimer and Export Compliance
     81  *
     82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
     83  * HERE.  ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
     84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT,  ASSISTANCE,
     85  * INSTALLATION, TRAINING OR OTHER SERVICES.  INTEL WILL NOT PROVIDE ANY
     86  * UPDATES, ENHANCEMENTS OR EXTENSIONS.  INTEL SPECIFICALLY DISCLAIMS ANY
     87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
     88  * PARTICULAR PURPOSE.
     89  *
     90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
     91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
     92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
     93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
     94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
     95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES.  THESE LIMITATIONS
     96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
     97  * LIMITED REMEDY.
     98  *
     99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
    100  * software or system incorporating such software without first obtaining any
    101  * required license or other approval from the U. S. Department of Commerce or
    102  * any other agency or department of the United States Government.  In the
    103  * event Licensee exports any such software from the United States or
    104  * re-exports any such software from a foreign destination, Licensee shall
    105  * ensure that the distribution and export/re-export of the software is in
    106  * compliance with all laws, regulations, orders, or other restrictions of the
    107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
    108  * any of its subsidiaries will export/re-export any technical data, process,
    109  * software, or service, directly or indirectly, to any country for which the
    110  * United States government or any agency thereof requires an export license,
    111  * other governmental approval, or letter of assurance, without first obtaining
    112  * such license, approval or letter.
    113  *
    114  *****************************************************************************/
    115 
    116 /*
    117  * These procedures are used for tracking memory leaks in the subsystem, and
    118  * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
    119  *
    120  * Each memory allocation is tracked via a doubly linked list.  Each
    121  * element contains the caller's component, module name, function name, and
    122  * line number.  AcpiUtAllocate and AcpiUtAllocateZeroed call
    123  * AcpiUtTrackAllocation to add an element to the list; deletion
    124  * occurs in the body of AcpiUtFree.
    125  */
    126 
    127 #define __UTTRACK_C__
    128 
    129 #include "acpi.h"
    130 #include "accommon.h"
    131 
    132 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
    133 
    134 #define _COMPONENT          ACPI_UTILITIES
    135         ACPI_MODULE_NAME    ("uttrack")
    136 
    137 /* Local prototypes */
    138 
    139 static ACPI_DEBUG_MEM_BLOCK *
    140 AcpiUtFindAllocation (
    141     void                    *Allocation);
    142 
    143 static ACPI_STATUS
    144 AcpiUtTrackAllocation (
    145     ACPI_DEBUG_MEM_BLOCK    *Address,
    146     ACPI_SIZE               Size,
    147     UINT8                   AllocType,
    148     UINT32                  Component,
    149     const char              *Module,
    150     UINT32                  Line);
    151 
    152 static ACPI_STATUS
    153 AcpiUtRemoveAllocation (
    154     ACPI_DEBUG_MEM_BLOCK    *Address,
    155     UINT32                  Component,
    156     const char              *Module,
    157     UINT32                  Line);
    158 
    159 
    160 /*******************************************************************************
    161  *
    162  * FUNCTION:    AcpiUtCreateList
    163  *
    164  * PARAMETERS:  CacheName       - Ascii name for the cache
    165  *              ObjectSize      - Size of each cached object
    166  *              ReturnCache     - Where the new cache object is returned
    167  *
    168  * RETURN:      Status
    169  *
    170  * DESCRIPTION: Create a local memory list for tracking purposed
    171  *
    172  ******************************************************************************/
    173 
    174 ACPI_STATUS
    175 AcpiUtCreateList (
    176     char                    *ListName,
    177     UINT16                  ObjectSize,
    178     ACPI_MEMORY_LIST        **ReturnCache)
    179 {
    180     ACPI_MEMORY_LIST        *Cache;
    181 
    182 
    183     Cache = AcpiOsAllocate (sizeof (ACPI_MEMORY_LIST));
    184     if (!Cache)
    185     {
    186         return (AE_NO_MEMORY);
    187     }
    188 
    189     ACPI_MEMSET (Cache, 0, sizeof (ACPI_MEMORY_LIST));
    190 
    191     Cache->ListName   = ListName;
    192     Cache->ObjectSize = ObjectSize;
    193 
    194     *ReturnCache = Cache;
    195     return (AE_OK);
    196 }
    197 
    198 
    199 /*******************************************************************************
    200  *
    201  * FUNCTION:    AcpiUtAllocateAndTrack
    202  *
    203  * PARAMETERS:  Size                - Size of the allocation
    204  *              Component           - Component type of caller
    205  *              Module              - Source file name of caller
    206  *              Line                - Line number of caller
    207  *
    208  * RETURN:      Address of the allocated memory on success, NULL on failure.
    209  *
    210  * DESCRIPTION: The subsystem's equivalent of malloc.
    211  *
    212  ******************************************************************************/
    213 
    214 void *
    215 AcpiUtAllocateAndTrack (
    216     ACPI_SIZE               Size,
    217     UINT32                  Component,
    218     const char              *Module,
    219     UINT32                  Line)
    220 {
    221     ACPI_DEBUG_MEM_BLOCK    *Allocation;
    222     ACPI_STATUS             Status;
    223 
    224 
    225     Allocation = AcpiUtAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER),
    226                     Component, Module, Line);
    227     if (!Allocation)
    228     {
    229         return (NULL);
    230     }
    231 
    232     Status = AcpiUtTrackAllocation (Allocation, Size,
    233                     ACPI_MEM_MALLOC, Component, Module, Line);
    234     if (ACPI_FAILURE (Status))
    235     {
    236         AcpiOsFree (Allocation);
    237         return (NULL);
    238     }
    239 
    240     AcpiGbl_GlobalList->TotalAllocated++;
    241     AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
    242     AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
    243     if (AcpiGbl_GlobalList->CurrentTotalSize > AcpiGbl_GlobalList->MaxOccupied)
    244     {
    245         AcpiGbl_GlobalList->MaxOccupied = AcpiGbl_GlobalList->CurrentTotalSize;
    246     }
    247 
    248     return ((void *) &Allocation->UserSpace);
    249 }
    250 
    251 
    252 /*******************************************************************************
    253  *
    254  * FUNCTION:    AcpiUtAllocateZeroedAndTrack
    255  *
    256  * PARAMETERS:  Size                - Size of the allocation
    257  *              Component           - Component type of caller
    258  *              Module              - Source file name of caller
    259  *              Line                - Line number of caller
    260  *
    261  * RETURN:      Address of the allocated memory on success, NULL on failure.
    262  *
    263  * DESCRIPTION: Subsystem equivalent of calloc.
    264  *
    265  ******************************************************************************/
    266 
    267 void *
    268 AcpiUtAllocateZeroedAndTrack (
    269     ACPI_SIZE               Size,
    270     UINT32                  Component,
    271     const char              *Module,
    272     UINT32                  Line)
    273 {
    274     ACPI_DEBUG_MEM_BLOCK    *Allocation;
    275     ACPI_STATUS             Status;
    276 
    277 
    278     Allocation = AcpiUtAllocateZeroed (Size + sizeof (ACPI_DEBUG_MEM_HEADER),
    279                     Component, Module, Line);
    280     if (!Allocation)
    281     {
    282         /* Report allocation error */
    283 
    284         ACPI_ERROR ((Module, Line,
    285             "Could not allocate size %u", (UINT32) Size));
    286         return (NULL);
    287     }
    288 
    289     Status = AcpiUtTrackAllocation (Allocation, Size,
    290                 ACPI_MEM_CALLOC, Component, Module, Line);
    291     if (ACPI_FAILURE (Status))
    292     {
    293         AcpiOsFree (Allocation);
    294         return (NULL);
    295     }
    296 
    297     AcpiGbl_GlobalList->TotalAllocated++;
    298     AcpiGbl_GlobalList->TotalSize += (UINT32) Size;
    299     AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size;
    300     if (AcpiGbl_GlobalList->CurrentTotalSize > AcpiGbl_GlobalList->MaxOccupied)
    301     {
    302         AcpiGbl_GlobalList->MaxOccupied = AcpiGbl_GlobalList->CurrentTotalSize;
    303     }
    304 
    305     return ((void *) &Allocation->UserSpace);
    306 }
    307 
    308 
    309 /*******************************************************************************
    310  *
    311  * FUNCTION:    AcpiUtFreeAndTrack
    312  *
    313  * PARAMETERS:  Allocation          - Address of the memory to deallocate
    314  *              Component           - Component type of caller
    315  *              Module              - Source file name of caller
    316  *              Line                - Line number of caller
    317  *
    318  * RETURN:      None
    319  *
    320  * DESCRIPTION: Frees the memory at Allocation
    321  *
    322  ******************************************************************************/
    323 
    324 void
    325 AcpiUtFreeAndTrack (
    326     void                    *Allocation,
    327     UINT32                  Component,
    328     const char              *Module,
    329     UINT32                  Line)
    330 {
    331     ACPI_DEBUG_MEM_BLOCK    *DebugBlock;
    332     ACPI_STATUS             Status;
    333 
    334 
    335     ACPI_FUNCTION_TRACE_PTR (UtFree, Allocation);
    336 
    337 
    338     if (NULL == Allocation)
    339     {
    340         ACPI_ERROR ((Module, Line,
    341             "Attempt to delete a NULL address"));
    342 
    343         return_VOID;
    344     }
    345 
    346     DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK,
    347                     (((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER)));
    348 
    349     AcpiGbl_GlobalList->TotalFreed++;
    350     AcpiGbl_GlobalList->CurrentTotalSize -= DebugBlock->Size;
    351 
    352     Status = AcpiUtRemoveAllocation (DebugBlock,
    353                     Component, Module, Line);
    354     if (ACPI_FAILURE (Status))
    355     {
    356         ACPI_EXCEPTION ((AE_INFO, Status, "Could not free memory"));
    357     }
    358 
    359     AcpiOsFree (DebugBlock);
    360     ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed\n", Allocation));
    361     return_VOID;
    362 }
    363 
    364 
    365 /*******************************************************************************
    366  *
    367  * FUNCTION:    AcpiUtFindAllocation
    368  *
    369  * PARAMETERS:  Allocation              - Address of allocated memory
    370  *
    371  * RETURN:      A list element if found; NULL otherwise.
    372  *
    373  * DESCRIPTION: Searches for an element in the global allocation tracking list.
    374  *
    375  ******************************************************************************/
    376 
    377 static ACPI_DEBUG_MEM_BLOCK *
    378 AcpiUtFindAllocation (
    379     void                    *Allocation)
    380 {
    381     ACPI_DEBUG_MEM_BLOCK    *Element;
    382 
    383 
    384     ACPI_FUNCTION_ENTRY ();
    385 
    386 
    387     Element = AcpiGbl_GlobalList->ListHead;
    388 
    389     /* Search for the address. */
    390 
    391     while (Element)
    392     {
    393         if (Element == Allocation)
    394         {
    395             return (Element);
    396         }
    397 
    398         Element = Element->Next;
    399     }
    400 
    401     return (NULL);
    402 }
    403 
    404 
    405 /*******************************************************************************
    406  *
    407  * FUNCTION:    AcpiUtTrackAllocation
    408  *
    409  * PARAMETERS:  Allocation          - Address of allocated memory
    410  *              Size                - Size of the allocation
    411  *              AllocType           - MEM_MALLOC or MEM_CALLOC
    412  *              Component           - Component type of caller
    413  *              Module              - Source file name of caller
    414  *              Line                - Line number of caller
    415  *
    416  * RETURN:      None.
    417  *
    418  * DESCRIPTION: Inserts an element into the global allocation tracking list.
    419  *
    420  ******************************************************************************/
    421 
    422 static ACPI_STATUS
    423 AcpiUtTrackAllocation (
    424     ACPI_DEBUG_MEM_BLOCK    *Allocation,
    425     ACPI_SIZE               Size,
    426     UINT8                   AllocType,
    427     UINT32                  Component,
    428     const char              *Module,
    429     UINT32                  Line)
    430 {
    431     ACPI_MEMORY_LIST        *MemList;
    432     ACPI_DEBUG_MEM_BLOCK    *Element;
    433     ACPI_STATUS             Status = AE_OK;
    434 
    435 
    436     ACPI_FUNCTION_TRACE_PTR (UtTrackAllocation, Allocation);
    437 
    438 
    439     if (AcpiGbl_DisableMemTracking)
    440     {
    441         return_ACPI_STATUS (AE_OK);
    442     }
    443 
    444     MemList = AcpiGbl_GlobalList;
    445     Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
    446     if (ACPI_FAILURE (Status))
    447     {
    448         return_ACPI_STATUS (Status);
    449     }
    450 
    451     /*
    452      * Search list for this address to make sure it is not already on the list.
    453      * This will catch several kinds of problems.
    454      */
    455     Element = AcpiUtFindAllocation (Allocation);
    456     if (Element)
    457     {
    458         ACPI_ERROR ((AE_INFO,
    459             "UtTrackAllocation: Allocation already present in list! (%p)",
    460             Allocation));
    461 
    462         ACPI_ERROR ((AE_INFO, "Element %p Address %p",
    463             Element, Allocation));
    464 
    465         goto UnlockAndExit;
    466     }
    467 
    468     /* Fill in the instance data. */
    469 
    470     Allocation->Size      = (UINT32) Size;
    471     Allocation->AllocType = AllocType;
    472     Allocation->Component = Component;
    473     Allocation->Line      = Line;
    474 
    475     ACPI_STRNCPY (Allocation->Module, Module, ACPI_MAX_MODULE_NAME);
    476     Allocation->Module[ACPI_MAX_MODULE_NAME-1] = 0;
    477 
    478     /* Insert at list head */
    479 
    480     if (MemList->ListHead)
    481     {
    482         ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = Allocation;
    483     }
    484 
    485     Allocation->Next = MemList->ListHead;
    486     Allocation->Previous = NULL;
    487 
    488     MemList->ListHead = Allocation;
    489 
    490 
    491 UnlockAndExit:
    492     Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
    493     return_ACPI_STATUS (Status);
    494 }
    495 
    496 
    497 /*******************************************************************************
    498  *
    499  * FUNCTION:    AcpiUtRemoveAllocation
    500  *
    501  * PARAMETERS:  Allocation          - Address of allocated memory
    502  *              Component           - Component type of caller
    503  *              Module              - Source file name of caller
    504  *              Line                - Line number of caller
    505  *
    506  * RETURN:
    507  *
    508  * DESCRIPTION: Deletes an element from the global allocation tracking list.
    509  *
    510  ******************************************************************************/
    511 
    512 static ACPI_STATUS
    513 AcpiUtRemoveAllocation (
    514     ACPI_DEBUG_MEM_BLOCK    *Allocation,
    515     UINT32                  Component,
    516     const char              *Module,
    517     UINT32                  Line)
    518 {
    519     ACPI_MEMORY_LIST        *MemList;
    520     ACPI_STATUS             Status;
    521 
    522 
    523     ACPI_FUNCTION_TRACE (UtRemoveAllocation);
    524 
    525 
    526     if (AcpiGbl_DisableMemTracking)
    527     {
    528         return_ACPI_STATUS (AE_OK);
    529     }
    530 
    531     MemList = AcpiGbl_GlobalList;
    532     if (NULL == MemList->ListHead)
    533     {
    534         /* No allocations! */
    535 
    536         ACPI_ERROR ((Module, Line,
    537             "Empty allocation list, nothing to free!"));
    538 
    539         return_ACPI_STATUS (AE_OK);
    540     }
    541 
    542     Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY);
    543     if (ACPI_FAILURE (Status))
    544     {
    545         return_ACPI_STATUS (Status);
    546     }
    547 
    548     /* Unlink */
    549 
    550     if (Allocation->Previous)
    551     {
    552         (Allocation->Previous)->Next = Allocation->Next;
    553     }
    554     else
    555     {
    556         MemList->ListHead = Allocation->Next;
    557     }
    558 
    559     if (Allocation->Next)
    560     {
    561         (Allocation->Next)->Previous = Allocation->Previous;
    562     }
    563 
    564     /* Mark the segment as deleted */
    565 
    566     ACPI_MEMSET (&Allocation->UserSpace, 0xEA, Allocation->Size);
    567 
    568     ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing size 0%X\n",
    569         Allocation->Size));
    570 
    571     Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
    572     return_ACPI_STATUS (Status);
    573 }
    574 
    575 
    576 /*******************************************************************************
    577  *
    578  * FUNCTION:    AcpiUtDumpAllocationInfo
    579  *
    580  * PARAMETERS:
    581  *
    582  * RETURN:      None
    583  *
    584  * DESCRIPTION: Print some info about the outstanding allocations.
    585  *
    586  ******************************************************************************/
    587 
    588 void
    589 AcpiUtDumpAllocationInfo (
    590     void)
    591 {
    592 /*
    593     ACPI_MEMORY_LIST        *MemList;
    594 */
    595 
    596     ACPI_FUNCTION_TRACE (UtDumpAllocationInfo);
    597 
    598 /*
    599     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
    600                     ("%30s: %4d (%3d Kb)\n", "Current allocations",
    601                     MemList->CurrentCount,
    602                     ROUND_UP_TO_1K (MemList->CurrentSize)));
    603 
    604     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
    605                     ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
    606                     MemList->MaxConcurrentCount,
    607                     ROUND_UP_TO_1K (MemList->MaxConcurrentSize)));
    608 
    609 
    610     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
    611                     ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
    612                     RunningObjectCount,
    613                     ROUND_UP_TO_1K (RunningObjectSize)));
    614 
    615     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
    616                     ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
    617                     RunningAllocCount,
    618                     ROUND_UP_TO_1K (RunningAllocSize)));
    619 
    620 
    621     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
    622                     ("%30s: %4d (%3d Kb)\n", "Current Nodes",
    623                     AcpiGbl_CurrentNodeCount,
    624                     ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize)));
    625 
    626     ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
    627                     ("%30s: %4d (%3d Kb)\n", "Max Nodes",
    628                     AcpiGbl_MaxConcurrentNodeCount,
    629                     ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount *
    630                         sizeof (ACPI_NAMESPACE_NODE)))));
    631 */
    632     return_VOID;
    633 }
    634 
    635 
    636 /*******************************************************************************
    637  *
    638  * FUNCTION:    AcpiUtDumpAllocations
    639  *
    640  * PARAMETERS:  Component           - Component(s) to dump info for.
    641  *              Module              - Module to dump info for.  NULL means all.
    642  *
    643  * RETURN:      None
    644  *
    645  * DESCRIPTION: Print a list of all outstanding allocations.
    646  *
    647  ******************************************************************************/
    648 
    649 void
    650 AcpiUtDumpAllocations (
    651     UINT32                  Component,
    652     const char              *Module)
    653 {
    654     ACPI_DEBUG_MEM_BLOCK    *Element;
    655     ACPI_DESCRIPTOR         *Descriptor;
    656     UINT32                  NumOutstanding = 0;
    657     UINT8                   DescriptorType;
    658 
    659 
    660     ACPI_FUNCTION_TRACE (UtDumpAllocations);
    661 
    662 
    663     if (AcpiGbl_DisableMemTracking)
    664     {
    665         return;
    666     }
    667 
    668     /*
    669      * Walk the allocation list.
    670      */
    671     if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY)))
    672     {
    673         return;
    674     }
    675 
    676     Element = AcpiGbl_GlobalList->ListHead;
    677     while (Element)
    678     {
    679         if ((Element->Component & Component) &&
    680             ((Module == NULL) || (0 == ACPI_STRCMP (Module, Element->Module))))
    681         {
    682             Descriptor = ACPI_CAST_PTR (ACPI_DESCRIPTOR, &Element->UserSpace);
    683 
    684             if (Element->Size < sizeof (ACPI_COMMON_DESCRIPTOR))
    685             {
    686                 AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u "
    687                     "[Not a Descriptor - too small]\n",
    688                     Descriptor, Element->Size, Element->Module,
    689                     Element->Line);
    690             }
    691             else
    692             {
    693                 /* Ignore allocated objects that are in a cache */
    694 
    695                 if (ACPI_GET_DESCRIPTOR_TYPE (Descriptor) != ACPI_DESC_TYPE_CACHED)
    696                 {
    697                     AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u [%s] ",
    698                         Descriptor, Element->Size, Element->Module,
    699                         Element->Line, AcpiUtGetDescriptorName (Descriptor));
    700 
    701                     /* Validate the descriptor type using Type field and length */
    702 
    703                     DescriptorType = 0; /* Not a valid descriptor type */
    704 
    705                     switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor))
    706                     {
    707                     case ACPI_DESC_TYPE_OPERAND:
    708                         if (Element->Size == sizeof (ACPI_DESC_TYPE_OPERAND))
    709                         {
    710                             DescriptorType = ACPI_DESC_TYPE_OPERAND;
    711                         }
    712                         break;
    713 
    714                     case ACPI_DESC_TYPE_PARSER:
    715                         if (Element->Size == sizeof (ACPI_DESC_TYPE_PARSER))
    716                         {
    717                             DescriptorType = ACPI_DESC_TYPE_PARSER;
    718                         }
    719                         break;
    720 
    721                     case ACPI_DESC_TYPE_NAMED:
    722                         if (Element->Size == sizeof (ACPI_DESC_TYPE_NAMED))
    723                         {
    724                             DescriptorType = ACPI_DESC_TYPE_NAMED;
    725                         }
    726                         break;
    727 
    728                     default:
    729                         break;
    730                     }
    731 
    732                     /* Display additional info for the major descriptor types */
    733 
    734                     switch (DescriptorType)
    735                     {
    736                     case ACPI_DESC_TYPE_OPERAND:
    737                         AcpiOsPrintf ("%12.12s  RefCount 0x%04X\n",
    738                             AcpiUtGetTypeName (Descriptor->Object.Common.Type),
    739                             Descriptor->Object.Common.ReferenceCount);
    740                         break;
    741 
    742                     case ACPI_DESC_TYPE_PARSER:
    743                         AcpiOsPrintf ("AmlOpcode 0x%04hX\n",
    744                             Descriptor->Op.Asl.AmlOpcode);
    745                         break;
    746 
    747                     case ACPI_DESC_TYPE_NAMED:
    748                         AcpiOsPrintf ("%4.4s\n",
    749                             AcpiUtGetNodeName (&Descriptor->Node));
    750                         break;
    751 
    752                     default:
    753                         AcpiOsPrintf ( "\n");
    754                         break;
    755                     }
    756                 }
    757             }
    758 
    759             NumOutstanding++;
    760         }
    761 
    762         Element = Element->Next;
    763     }
    764 
    765     (void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY);
    766 
    767     /* Print summary */
    768 
    769     if (!NumOutstanding)
    770     {
    771         ACPI_INFO ((AE_INFO, "No outstanding allocations"));
    772     }
    773     else
    774     {
    775         ACPI_ERROR ((AE_INFO, "%u(0x%X) Outstanding allocations",
    776             NumOutstanding, NumOutstanding));
    777     }
    778 
    779     return_VOID;
    780 }
    781 
    782 #endif  /* ACPI_DBG_TRACK_ALLOCATIONS */
    783 
    784