drivers/acpi/acpica/uttrack.c

   1 /******************************************************************************
   2  *
   3  * Module Name: uttrack - Memory allocation tracking routines (debug only)
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2016, Intel Corp.
   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
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 /*
  45  * These procedures are used for tracking memory leaks in the subsystem, and
  46  * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set.
  47  *
  48  * Each memory allocation is tracked via a doubly linked list. Each
  49  * element contains the caller's component, module name, function name, and
  50  * line number. acpi_ut_allocate and acpi_ut_allocate_zeroed call
  51  * acpi_ut_track_allocation to add an element to the list; deletion
  52  * occurs in the body of acpi_ut_free.
  53  */
  54
  55 #include <acpi/acpi.h>
  56 #include "accommon.h"
  57
  58 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
  59
  60 #define _COMPONENT          ACPI_UTILITIES
  61 ACPI_MODULE_NAME("uttrack")
  62
  63 /* Local prototypes */
  64 static struct acpi_debug_mem_block *acpi_ut_find_allocation(struct
  65                                                             acpi_debug_mem_block
  66                                                             *allocation);
  67
  68 static acpi_status
  69 acpi_ut_track_allocation(struct acpi_debug_mem_block *address,
  70                          acpi_size size,
  71                          u8 alloc_type,
  72                          u32 component, const char *module, u32 line);
  73
  74 static acpi_status
  75 acpi_ut_remove_allocation(struct acpi_debug_mem_block *address,
  76                           u32 component, const char *module, u32 line);
  77
  78 /*******************************************************************************
  79  *
  80  * FUNCTION:    acpi_ut_create_list
  81  *
  82  * PARAMETERS:  cache_name      - Ascii name for the cache
  83  *              object_size     - Size of each cached object
  84  *              return_cache    - Where the new cache object is returned
  85  *
  86  * RETURN:      Status
  87  *
  88  * DESCRIPTION: Create a local memory list for tracking purposed
  89  *
  90  ******************************************************************************/
  91
  92 acpi_status
  93 acpi_ut_create_list(const char *list_name,
  94                     u16 object_size, struct acpi_memory_list **return_cache)
  95 {
  96         struct acpi_memory_list *cache;
  97
  98         cache = acpi_os_allocate(sizeof(struct acpi_memory_list));
  99         if (!cache) {
 100                 return (AE_NO_MEMORY);
 101         }
 102
 103         memset(cache, 0, sizeof(struct acpi_memory_list));
 104
 105         cache->list_name = list_name;
 106         cache->object_size = object_size;
 107
 108         *return_cache = cache;
 109         return (AE_OK);
 110 }
 111
 112 /*******************************************************************************
 113  *
 114  * FUNCTION:    acpi_ut_allocate_and_track
 115  *
 116  * PARAMETERS:  size                - Size of the allocation
 117  *              component           - Component type of caller
 118  *              module              - Source file name of caller
 119  *              line                - Line number of caller
 120  *
 121  * RETURN:      Address of the allocated memory on success, NULL on failure.
 122  *
 123  * DESCRIPTION: The subsystem's equivalent of malloc.
 124  *
 125  ******************************************************************************/
 126
 127 void *acpi_ut_allocate_and_track(acpi_size size,
 128                                  u32 component, const char *module, u32 line)
 129 {
 130         struct acpi_debug_mem_block *allocation;
 131         acpi_status status;
 132
 133         /* Check for an inadvertent size of zero bytes */
 134
 135         if (!size) {
 136                 ACPI_WARNING((module, line,
 137                               "Attempt to allocate zero bytes, allocating 1 byte"));
 138                 size = 1;
 139         }
 140
 141         allocation =
 142             acpi_os_allocate(size + sizeof(struct acpi_debug_mem_header));
 143         if (!allocation) {
 144
 145                 /* Report allocation error */
 146
 147                 ACPI_WARNING((module, line,
 148                               "Could not allocate size %u", (u32)size));
 149
 150                 return (NULL);
 151         }
 152
 153         status =
 154             acpi_ut_track_allocation(allocation, size, ACPI_MEM_MALLOC,
 155                                      component, module, line);
 156         if (ACPI_FAILURE(status)) {
 157                 acpi_os_free(allocation);
 158                 return (NULL);
 159         }
 160
 161         acpi_gbl_global_list->total_allocated++;
 162         acpi_gbl_global_list->total_size += (u32)size;
 163         acpi_gbl_global_list->current_total_size += (u32)size;
 164
 165         if (acpi_gbl_global_list->current_total_size >
 166             acpi_gbl_global_list->max_occupied) {
 167                 acpi_gbl_global_list->max_occupied =
 168                     acpi_gbl_global_list->current_total_size;
 169         }
 170
 171         return ((void *)&allocation->user_space);
 172 }
 173
 174 /*******************************************************************************
 175  *
 176  * FUNCTION:    acpi_ut_allocate_zeroed_and_track
 177  *
 178  * PARAMETERS:  size                - Size of the allocation
 179  *              component           - Component type of caller
 180  *              module              - Source file name of caller
 181  *              line                - Line number of caller
 182  *
 183  * RETURN:      Address of the allocated memory on success, NULL on failure.
 184  *
 185  * DESCRIPTION: Subsystem equivalent of calloc.
 186  *
 187  ******************************************************************************/
 188
 189 void *acpi_ut_allocate_zeroed_and_track(acpi_size size,
 190                                         u32 component,
 191                                         const char *module, u32 line)
 192 {
 193         struct acpi_debug_mem_block *allocation;
 194         acpi_status status;
 195
 196         /* Check for an inadvertent size of zero bytes */
 197
 198         if (!size) {
 199                 ACPI_WARNING((module, line,
 200                               "Attempt to allocate zero bytes, allocating 1 byte"));
 201                 size = 1;
 202         }
 203
 204         allocation =
 205             acpi_os_allocate_zeroed(size +
 206                                     sizeof(struct acpi_debug_mem_header));
 207         if (!allocation) {
 208
 209                 /* Report allocation error */
 210
 211                 ACPI_ERROR((module, line,
 212                             "Could not allocate size %u", (u32)size));
 213                 return (NULL);
 214         }
 215
 216         status = acpi_ut_track_allocation(allocation, size,
 217                                           ACPI_MEM_CALLOC, component, module,
 218                                           line);
 219         if (ACPI_FAILURE(status)) {
 220                 acpi_os_free(allocation);
 221                 return (NULL);
 222         }
 223
 224         acpi_gbl_global_list->total_allocated++;
 225         acpi_gbl_global_list->total_size += (u32)size;
 226         acpi_gbl_global_list->current_total_size += (u32)size;
 227
 228         if (acpi_gbl_global_list->current_total_size >
 229             acpi_gbl_global_list->max_occupied) {
 230                 acpi_gbl_global_list->max_occupied =
 231                     acpi_gbl_global_list->current_total_size;
 232         }
 233
 234         return ((void *)&allocation->user_space);
 235 }
 236
 237 /*******************************************************************************
 238  *
 239  * FUNCTION:    acpi_ut_free_and_track
 240  *
 241  * PARAMETERS:  allocation          - Address of the memory to deallocate
 242  *              component           - Component type of caller
 243  *              module              - Source file name of caller
 244  *              line                - Line number of caller
 245  *
 246  * RETURN:      None
 247  *
 248  * DESCRIPTION: Frees the memory at Allocation
 249  *
 250  ******************************************************************************/
 251
 252 void
 253 acpi_ut_free_and_track(void *allocation,
 254                        u32 component, const char *module, u32 line)
 255 {
 256         struct acpi_debug_mem_block *debug_block;
 257         acpi_status status;
 258
 259         ACPI_FUNCTION_TRACE_PTR(ut_free, allocation);
 260
 261         if (NULL == allocation) {
 262                 ACPI_ERROR((module, line, "Attempt to delete a NULL address"));
 263
 264                 return_VOID;
 265         }
 266
 267         debug_block = ACPI_CAST_PTR(struct acpi_debug_mem_block,
 268                                     (((char *)allocation) -
 269                                      sizeof(struct acpi_debug_mem_header)));
 270
 271         acpi_gbl_global_list->total_freed++;
 272         acpi_gbl_global_list->current_total_size -= debug_block->size;
 273
 274         status =
 275             acpi_ut_remove_allocation(debug_block, component, module, line);
 276         if (ACPI_FAILURE(status)) {
 277                 ACPI_EXCEPTION((AE_INFO, status, "Could not free memory"));
 278         }
 279
 280         acpi_os_free(debug_block);
 281         ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p freed (block %p)\n",
 282                           allocation, debug_block));
 283         return_VOID;
 284 }
 285
 286 /*******************************************************************************
 287  *
 288  * FUNCTION:    acpi_ut_find_allocation
 289  *
 290  * PARAMETERS:  allocation              - Address of allocated memory
 291  *
 292  * RETURN:      Three cases:
 293  *              1) List is empty, NULL is returned.
 294  *              2) Element was found. Returns Allocation parameter.
 295  *              3) Element was not found. Returns position where it should be
 296  *                  inserted into the list.
 297  *
 298  * DESCRIPTION: Searches for an element in the global allocation tracking list.
 299  *              If the element is not found, returns the location within the
 300  *              list where the element should be inserted.
 301  *
 302  *              Note: The list is ordered by larger-to-smaller addresses.
 303  *
 304  *              This global list is used to detect memory leaks in ACPICA as
 305  *              well as other issues such as an attempt to release the same
 306  *              internal object more than once. Although expensive as far
 307  *              as cpu time, this list is much more helpful for finding these
 308  *              types of issues than using memory leak detectors outside of
 309  *              the ACPICA code.
 310  *
 311  ******************************************************************************/
 312
 313 static struct acpi_debug_mem_block *acpi_ut_find_allocation(struct
 314                                                             acpi_debug_mem_block
 315                                                             *allocation)
 316 {
 317         struct acpi_debug_mem_block *element;
 318
 319         element = acpi_gbl_global_list->list_head;
 320         if (!element) {
 321                 return (NULL);
 322         }
 323
 324         /*
 325          * Search for the address.
 326          *
 327          * Note: List is ordered by larger-to-smaller addresses, on the
 328          * assumption that a new allocation usually has a larger address
 329          * than previous allocations.
 330          */
 331         while (element > allocation) {
 332
 333                 /* Check for end-of-list */
 334
 335                 if (!element->next) {
 336                         return (element);
 337                 }
 338
 339                 element = element->next;
 340         }
 341
 342         if (element == allocation) {
 343                 return (element);
 344         }
 345
 346         return (element->previous);
 347 }
 348
 349 /*******************************************************************************
 350  *
 351  * FUNCTION:    acpi_ut_track_allocation
 352  *
 353  * PARAMETERS:  allocation          - Address of allocated memory
 354  *              size                - Size of the allocation
 355  *              alloc_type          - MEM_MALLOC or MEM_CALLOC
 356  *              component           - Component type of caller
 357  *              module              - Source file name of caller
 358  *              line                - Line number of caller
 359  *
 360  * RETURN:      Status
 361  *
 362  * DESCRIPTION: Inserts an element into the global allocation tracking list.
 363  *
 364  ******************************************************************************/
 365
 366 static acpi_status
 367 acpi_ut_track_allocation(struct acpi_debug_mem_block *allocation,
 368                          acpi_size size,
 369                          u8 alloc_type,
 370                          u32 component, const char *module, u32 line)
 371 {
 372         struct acpi_memory_list *mem_list;
 373         struct acpi_debug_mem_block *element;
 374         acpi_status status = AE_OK;
 375
 376         ACPI_FUNCTION_TRACE_PTR(ut_track_allocation, allocation);
 377
 378         if (acpi_gbl_disable_mem_tracking) {
 379                 return_ACPI_STATUS(AE_OK);
 380         }
 381
 382         mem_list = acpi_gbl_global_list;
 383         status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
 384         if (ACPI_FAILURE(status)) {
 385                 return_ACPI_STATUS(status);
 386         }
 387
 388         /*
 389          * Search the global list for this address to make sure it is not
 390          * already present. This will catch several kinds of problems.
 391          */
 392         element = acpi_ut_find_allocation(allocation);
 393         if (element == allocation) {
 394                 ACPI_ERROR((AE_INFO,
 395                             "UtTrackAllocation: Allocation (%p) already present in global list!",
 396                             allocation));
 397                 goto unlock_and_exit;
 398         }
 399
 400         /* Fill in the instance data */
 401
 402         allocation->size = (u32)size;
 403         allocation->alloc_type = alloc_type;
 404         allocation->component = component;
 405         allocation->line = line;
 406
 407         strncpy(allocation->module, module, ACPI_MAX_MODULE_NAME);
 408         allocation->module[ACPI_MAX_MODULE_NAME - 1] = 0;
 409
 410         if (!element) {
 411
 412                 /* Insert at list head */
 413
 414                 if (mem_list->list_head) {
 415                         ((struct acpi_debug_mem_block *)(mem_list->list_head))->
 416                             previous = allocation;
 417                 }
 418
 419                 allocation->next = mem_list->list_head;
 420                 allocation->previous = NULL;
 421
 422                 mem_list->list_head = allocation;
 423         } else {
 424                 /* Insert after element */
 425
 426                 allocation->next = element->next;
 427                 allocation->previous = element;
 428
 429                 if (element->next) {
 430                         (element->next)->previous = allocation;
 431                 }
 432
 433                 element->next = allocation;
 434         }
 435
 436 unlock_and_exit:
 437         status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
 438         return_ACPI_STATUS(status);
 439 }
 440
 441 /*******************************************************************************
 442  *
 443  * FUNCTION:    acpi_ut_remove_allocation
 444  *
 445  * PARAMETERS:  allocation          - Address of allocated memory
 446  *              component           - Component type of caller
 447  *              module              - Source file name of caller
 448  *              line                - Line number of caller
 449  *
 450  * RETURN:      Status
 451  *
 452  * DESCRIPTION: Deletes an element from the global allocation tracking list.
 453  *
 454  ******************************************************************************/
 455
 456 static acpi_status
 457 acpi_ut_remove_allocation(struct acpi_debug_mem_block *allocation,
 458                           u32 component, const char *module, u32 line)
 459 {
 460         struct acpi_memory_list *mem_list;
 461         acpi_status status;
 462
 463         ACPI_FUNCTION_NAME(ut_remove_allocation);
 464
 465         if (acpi_gbl_disable_mem_tracking) {
 466                 return (AE_OK);
 467         }
 468
 469         mem_list = acpi_gbl_global_list;
 470         if (NULL == mem_list->list_head) {
 471
 472                 /* No allocations! */
 473
 474                 ACPI_ERROR((module, line,
 475                             "Empty allocation list, nothing to free!"));
 476
 477                 return (AE_OK);
 478         }
 479
 480         status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY);
 481         if (ACPI_FAILURE(status)) {
 482                 return (status);
 483         }
 484
 485         /* Unlink */
 486
 487         if (allocation->previous) {
 488                 (allocation->previous)->next = allocation->next;
 489         } else {
 490                 mem_list->list_head = allocation->next;
 491         }
 492
 493         if (allocation->next) {
 494                 (allocation->next)->previous = allocation->previous;
 495         }
 496
 497         ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing %p, size 0%X\n",
 498                           &allocation->user_space, allocation->size));
 499
 500         /* Mark the segment as deleted */
 501
 502         memset(&allocation->user_space, 0xEA, allocation->size);
 503
 504         status = acpi_ut_release_mutex(ACPI_MTX_MEMORY);
 505         return (status);
 506 }
 507
 508 /*******************************************************************************
 509  *
 510  * FUNCTION:    acpi_ut_dump_allocation_info
 511  *
 512  * PARAMETERS:  None
 513  *
 514  * RETURN:      None
 515  *
 516  * DESCRIPTION: Print some info about the outstanding allocations.
 517  *
 518  ******************************************************************************/
 519
 520 void acpi_ut_dump_allocation_info(void)
 521 {
 522 /*
 523         struct acpi_memory_list         *mem_list;
 524 */
 525
 526         ACPI_FUNCTION_TRACE(ut_dump_allocation_info);
 527
 528 /*
 529         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 530                 ("%30s: %4d (%3d Kb)\n", "Current allocations",
 531                 mem_list->current_count,
 532                 ROUND_UP_TO_1K (mem_list->current_size)));
 533
 534         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 535                 ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations",
 536                 mem_list->max_concurrent_count,
 537                 ROUND_UP_TO_1K (mem_list->max_concurrent_size)));
 538
 539         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 540                 ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects",
 541                 running_object_count,
 542                 ROUND_UP_TO_1K (running_object_size)));
 543
 544         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 545                 ("%30s: %4d (%3d Kb)\n", "Total (all) allocations",
 546                 running_alloc_count,
 547                 ROUND_UP_TO_1K (running_alloc_size)));
 548
 549         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 550                 ("%30s: %4d (%3d Kb)\n", "Current Nodes",
 551                 acpi_gbl_current_node_count,
 552                 ROUND_UP_TO_1K (acpi_gbl_current_node_size)));
 553
 554         ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES,
 555                 ("%30s: %4d (%3d Kb)\n", "Max Nodes",
 556                 acpi_gbl_max_concurrent_node_count,
 557                 ROUND_UP_TO_1K ((acpi_gbl_max_concurrent_node_count *
 558                         sizeof (struct acpi_namespace_node)))));
 559 */
 560         return_VOID;
 561 }
 562
 563 /*******************************************************************************
 564  *
 565  * FUNCTION:    acpi_ut_dump_allocations
 566  *
 567  * PARAMETERS:  component           - Component(s) to dump info for.
 568  *              module              - Module to dump info for. NULL means all.
 569  *
 570  * RETURN:      None
 571  *
 572  * DESCRIPTION: Print a list of all outstanding allocations.
 573  *
 574  ******************************************************************************/
 575
 576 void acpi_ut_dump_allocations(u32 component, const char *module)
 577 {
 578         struct acpi_debug_mem_block *element;
 579         union acpi_descriptor *descriptor;
 580         u32 num_outstanding = 0;
 581         u8 descriptor_type;
 582
 583         ACPI_FUNCTION_TRACE(ut_dump_allocations);
 584
 585         if (acpi_gbl_disable_mem_tracking) {
 586                 return_VOID;
 587         }
 588
 589         /*
 590          * Walk the allocation list.
 591          */
 592         if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) {
 593                 return_VOID;
 594         }
 595
 596         element = acpi_gbl_global_list->list_head;
 597         while (element) {
 598                 if ((element->component & component) &&
 599                     ((module == NULL)
 600                      || (0 == strcmp(module, element->module)))) {
 601                         descriptor =
 602                             ACPI_CAST_PTR(union acpi_descriptor,
 603                                           &element->user_space);
 604
 605                         if (element->size <
 606                             sizeof(struct acpi_common_descriptor)) {
 607                                 acpi_os_printf("%p Length 0x%04X %9.9s-%u "
 608                                                "[Not a Descriptor - too small]\n",
 609                                                descriptor, element->size,
 610                                                element->module, element->line);
 611                         } else {
 612                                 /* Ignore allocated objects that are in a cache */
 613
 614                                 if (ACPI_GET_DESCRIPTOR_TYPE(descriptor) !=
 615                                     ACPI_DESC_TYPE_CACHED) {
 616                                         acpi_os_printf
 617                                             ("%p Length 0x%04X %9.9s-%u [%s] ",
 618                                              descriptor, element->size,
 619                                              element->module, element->line,
 620                                              acpi_ut_get_descriptor_name
 621                                              (descriptor));
 622
 623                                         /* Validate the descriptor type using Type field and length */
 624
 625                                         descriptor_type = 0;    /* Not a valid descriptor type */
 626
 627                                         switch (ACPI_GET_DESCRIPTOR_TYPE
 628                                                 (descriptor)) {
 629                                         case ACPI_DESC_TYPE_OPERAND:
 630
 631                                                 if (element->size ==
 632                                                     sizeof(union
 633                                                            acpi_operand_object))
 634                                                 {
 635                                                         descriptor_type =
 636                                                             ACPI_DESC_TYPE_OPERAND;
 637                                                 }
 638                                                 break;
 639
 640                                         case ACPI_DESC_TYPE_PARSER:
 641
 642                                                 if (element->size ==
 643                                                     sizeof(union
 644                                                            acpi_parse_object)) {
 645                                                         descriptor_type =
 646                                                             ACPI_DESC_TYPE_PARSER;
 647                                                 }
 648                                                 break;
 649
 650                                         case ACPI_DESC_TYPE_NAMED:
 651
 652                                                 if (element->size ==
 653                                                     sizeof(struct
 654                                                            acpi_namespace_node))
 655                                                 {
 656                                                         descriptor_type =
 657                                                             ACPI_DESC_TYPE_NAMED;
 658                                                 }
 659                                                 break;
 660
 661                                         default:
 662
 663                                                 break;
 664                                         }
 665
 666                                         /* Display additional info for the major descriptor types */
 667
 668                                         switch (descriptor_type) {
 669                                         case ACPI_DESC_TYPE_OPERAND:
 670
 671                                                 acpi_os_printf
 672                                                     ("%12.12s RefCount 0x%04X\n",
 673                                                      acpi_ut_get_type_name
 674                                                      (descriptor->object.common.
 675                                                       type),
 676                                                      descriptor->object.common.
 677                                                      reference_count);
 678                                                 break;
 679
 680                                         case ACPI_DESC_TYPE_PARSER:
 681
 682                                                 acpi_os_printf
 683                                                     ("AmlOpcode 0x%04hX\n",
 684                                                      descriptor->op.asl.
 685                                                      aml_opcode);
 686                                                 break;
 687
 688                                         case ACPI_DESC_TYPE_NAMED:
 689
 690                                                 acpi_os_printf("%4.4s\n",
 691                                                                acpi_ut_get_node_name
 692                                                                (&descriptor->
 693                                                                 node));
 694                                                 break;
 695
 696                                         default:
 697
 698                                                 acpi_os_printf("\n");
 699                                                 break;
 700                                         }
 701                                 }
 702                         }
 703
 704                         num_outstanding++;
 705                 }
 706
 707                 element = element->next;
 708         }
 709
 710         (void)acpi_ut_release_mutex(ACPI_MTX_MEMORY);
 711
 712         /* Print summary */
 713
 714         if (!num_outstanding) {
 715                 ACPI_INFO(("No outstanding allocations"));
 716         } else {
 717                 ACPI_ERROR((AE_INFO, "%u(0x%X) Outstanding allocations",
 718                             num_outstanding, num_outstanding));
 719         }
 720
 721         return_VOID;
 722 }
 723
 724 #endif                          /* ACPI_DBG_TRACK_ALLOCATIONS */