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 - 2021, 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 * Alternatively, you may choose to be licensed under the terms of the 117 * following license: 118 * 119 * Redistribution and use in source and binary forms, with or without 120 * modification, are permitted provided that the following conditions 121 * are met: 122 * 1. Redistributions of source code must retain the above copyright 123 * notice, this list of conditions, and the following disclaimer, 124 * without modification. 125 * 2. Redistributions in binary form must reproduce at minimum a disclaimer 126 * substantially similar to the "NO WARRANTY" disclaimer below 127 * ("Disclaimer") and any redistribution must be conditioned upon 128 * including a substantially similar Disclaimer requirement for further 129 * binary redistribution. 130 * 3. Neither the names of the above-listed copyright holders nor the names 131 * of any contributors may be used to endorse or promote products derived 132 * from this software without specific prior written permission. 133 * 134 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 135 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 136 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 137 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 138 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 139 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 140 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 141 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 142 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 143 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 144 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 145 * 146 * Alternatively, you may choose to be licensed under the terms of the 147 * GNU General Public License ("GPL") version 2 as published by the Free 148 * Software Foundation. 149 * 150 *****************************************************************************/ 151 152 /* 153 * These procedures are used for tracking memory leaks in the subsystem, and 154 * they get compiled out when the ACPI_DBG_TRACK_ALLOCATIONS is not set. 155 * 156 * Each memory allocation is tracked via a doubly linked list. Each 157 * element contains the caller's component, module name, function name, and 158 * line number. AcpiUtAllocate and AcpiUtAllocateZeroed call 159 * AcpiUtTrackAllocation to add an element to the list; deletion 160 * occurs in the body of AcpiUtFree. 161 */ 162 163 #include <contrib/dev/acpica/include/acpi.h> 164 #include <contrib/dev/acpica/include/accommon.h> 165 166 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 167 168 #define _COMPONENT ACPI_UTILITIES 169 ACPI_MODULE_NAME ("uttrack") 170 171 172 /* Local prototypes */ 173 174 static ACPI_DEBUG_MEM_BLOCK * 175 AcpiUtFindAllocation ( 176 ACPI_DEBUG_MEM_BLOCK *Allocation); 177 178 static ACPI_STATUS 179 AcpiUtTrackAllocation ( 180 ACPI_DEBUG_MEM_BLOCK *Address, 181 ACPI_SIZE Size, 182 UINT8 AllocType, 183 UINT32 Component, 184 const char *Module, 185 UINT32 Line); 186 187 static ACPI_STATUS 188 AcpiUtRemoveAllocation ( 189 ACPI_DEBUG_MEM_BLOCK *Address, 190 UINT32 Component, 191 const char *Module, 192 UINT32 Line); 193 194 195 /******************************************************************************* 196 * 197 * FUNCTION: AcpiUtCreateList 198 * 199 * PARAMETERS: CacheName - Ascii name for the cache 200 * ObjectSize - Size of each cached object 201 * ReturnCache - Where the new cache object is returned 202 * 203 * RETURN: Status 204 * 205 * DESCRIPTION: Create a local memory list for tracking purposed 206 * 207 ******************************************************************************/ 208 209 ACPI_STATUS 210 AcpiUtCreateList ( 211 const char *ListName, 212 UINT16 ObjectSize, 213 ACPI_MEMORY_LIST **ReturnCache) 214 { 215 ACPI_MEMORY_LIST *Cache; 216 217 218 Cache = AcpiOsAllocateZeroed (sizeof (ACPI_MEMORY_LIST)); 219 if (!Cache) 220 { 221 return (AE_NO_MEMORY); 222 } 223 224 Cache->ListName = ListName; 225 Cache->ObjectSize = ObjectSize; 226 227 *ReturnCache = Cache; 228 return (AE_OK); 229 } 230 231 232 /******************************************************************************* 233 * 234 * FUNCTION: AcpiUtAllocateAndTrack 235 * 236 * PARAMETERS: Size - Size of the allocation 237 * Component - Component type of caller 238 * Module - Source file name of caller 239 * Line - Line number of caller 240 * 241 * RETURN: Address of the allocated memory on success, NULL on failure. 242 * 243 * DESCRIPTION: The subsystem's equivalent of malloc. 244 * 245 ******************************************************************************/ 246 247 void * 248 AcpiUtAllocateAndTrack ( 249 ACPI_SIZE Size, 250 UINT32 Component, 251 const char *Module, 252 UINT32 Line) 253 { 254 ACPI_DEBUG_MEM_BLOCK *Allocation; 255 ACPI_STATUS Status; 256 257 258 /* Check for an inadvertent size of zero bytes */ 259 260 if (!Size) 261 { 262 ACPI_WARNING ((Module, Line, 263 "Attempt to allocate zero bytes, allocating 1 byte")); 264 Size = 1; 265 } 266 267 Allocation = AcpiOsAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER)); 268 if (!Allocation) 269 { 270 /* Report allocation error */ 271 272 ACPI_WARNING ((Module, Line, 273 "Could not allocate size %u", (UINT32) Size)); 274 275 return (NULL); 276 } 277 278 Status = AcpiUtTrackAllocation ( 279 Allocation, Size, ACPI_MEM_MALLOC, Component, Module, Line); 280 if (ACPI_FAILURE (Status)) 281 { 282 AcpiOsFree (Allocation); 283 return (NULL); 284 } 285 286 AcpiGbl_GlobalList->TotalAllocated++; 287 AcpiGbl_GlobalList->TotalSize += (UINT32) Size; 288 AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size; 289 290 if (AcpiGbl_GlobalList->CurrentTotalSize > 291 AcpiGbl_GlobalList->MaxOccupied) 292 { 293 AcpiGbl_GlobalList->MaxOccupied = 294 AcpiGbl_GlobalList->CurrentTotalSize; 295 } 296 297 return ((void *) &Allocation->UserSpace); 298 } 299 300 301 /******************************************************************************* 302 * 303 * FUNCTION: AcpiUtAllocateZeroedAndTrack 304 * 305 * PARAMETERS: Size - Size of the allocation 306 * Component - Component type of caller 307 * Module - Source file name of caller 308 * Line - Line number of caller 309 * 310 * RETURN: Address of the allocated memory on success, NULL on failure. 311 * 312 * DESCRIPTION: Subsystem equivalent of calloc. 313 * 314 ******************************************************************************/ 315 316 void * 317 AcpiUtAllocateZeroedAndTrack ( 318 ACPI_SIZE Size, 319 UINT32 Component, 320 const char *Module, 321 UINT32 Line) 322 { 323 ACPI_DEBUG_MEM_BLOCK *Allocation; 324 ACPI_STATUS Status; 325 326 327 /* Check for an inadvertent size of zero bytes */ 328 329 if (!Size) 330 { 331 ACPI_WARNING ((Module, Line, 332 "Attempt to allocate zero bytes, allocating 1 byte")); 333 Size = 1; 334 } 335 336 Allocation = AcpiOsAllocateZeroed ( 337 Size + sizeof (ACPI_DEBUG_MEM_HEADER)); 338 if (!Allocation) 339 { 340 /* Report allocation error */ 341 342 ACPI_ERROR ((Module, Line, 343 "Could not allocate size %u", (UINT32) Size)); 344 return (NULL); 345 } 346 347 Status = AcpiUtTrackAllocation (Allocation, Size, 348 ACPI_MEM_CALLOC, Component, Module, Line); 349 if (ACPI_FAILURE (Status)) 350 { 351 AcpiOsFree (Allocation); 352 return (NULL); 353 } 354 355 AcpiGbl_GlobalList->TotalAllocated++; 356 AcpiGbl_GlobalList->TotalSize += (UINT32) Size; 357 AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size; 358 359 if (AcpiGbl_GlobalList->CurrentTotalSize > 360 AcpiGbl_GlobalList->MaxOccupied) 361 { 362 AcpiGbl_GlobalList->MaxOccupied = 363 AcpiGbl_GlobalList->CurrentTotalSize; 364 } 365 366 return ((void *) &Allocation->UserSpace); 367 } 368 369 370 /******************************************************************************* 371 * 372 * FUNCTION: AcpiUtFreeAndTrack 373 * 374 * PARAMETERS: Allocation - Address of the memory to deallocate 375 * Component - Component type of caller 376 * Module - Source file name of caller 377 * Line - Line number of caller 378 * 379 * RETURN: None 380 * 381 * DESCRIPTION: Frees the memory at Allocation 382 * 383 ******************************************************************************/ 384 385 void 386 AcpiUtFreeAndTrack ( 387 void *Allocation, 388 UINT32 Component, 389 const char *Module, 390 UINT32 Line) 391 { 392 ACPI_DEBUG_MEM_BLOCK *DebugBlock; 393 ACPI_STATUS Status; 394 395 396 ACPI_FUNCTION_TRACE_PTR (UtFree, Allocation); 397 398 399 if (NULL == Allocation) 400 { 401 ACPI_ERROR ((Module, Line, 402 "Attempt to delete a NULL address")); 403 404 return_VOID; 405 } 406 407 DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK, 408 (((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER))); 409 410 AcpiGbl_GlobalList->TotalFreed++; 411 AcpiGbl_GlobalList->CurrentTotalSize -= DebugBlock->Size; 412 413 Status = AcpiUtRemoveAllocation (DebugBlock, Component, Module, Line); 414 if (ACPI_FAILURE (Status)) 415 { 416 ACPI_EXCEPTION ((AE_INFO, Status, "Could not free memory")); 417 } 418 419 AcpiOsFree (DebugBlock); 420 ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed (block %p)\n", 421 Allocation, DebugBlock)); 422 return_VOID; 423 } 424 425 426 /******************************************************************************* 427 * 428 * FUNCTION: AcpiUtFindAllocation 429 * 430 * PARAMETERS: Allocation - Address of allocated memory 431 * 432 * RETURN: Three cases: 433 * 1) List is empty, NULL is returned. 434 * 2) Element was found. Returns Allocation parameter. 435 * 3) Element was not found. Returns position where it should be 436 * inserted into the list. 437 * 438 * DESCRIPTION: Searches for an element in the global allocation tracking list. 439 * If the element is not found, returns the location within the 440 * list where the element should be inserted. 441 * 442 * Note: The list is ordered by larger-to-smaller addresses. 443 * 444 * This global list is used to detect memory leaks in ACPICA as 445 * well as other issues such as an attempt to release the same 446 * internal object more than once. Although expensive as far 447 * as cpu time, this list is much more helpful for finding these 448 * types of issues than using memory leak detectors outside of 449 * the ACPICA code. 450 * 451 ******************************************************************************/ 452 453 static ACPI_DEBUG_MEM_BLOCK * 454 AcpiUtFindAllocation ( 455 ACPI_DEBUG_MEM_BLOCK *Allocation) 456 { 457 ACPI_DEBUG_MEM_BLOCK *Element; 458 459 460 Element = AcpiGbl_GlobalList->ListHead; 461 if (!Element) 462 { 463 return (NULL); 464 } 465 466 /* 467 * Search for the address. 468 * 469 * Note: List is ordered by larger-to-smaller addresses, on the 470 * assumption that a new allocation usually has a larger address 471 * than previous allocations. 472 */ 473 while (Element > Allocation) 474 { 475 /* Check for end-of-list */ 476 477 if (!Element->Next) 478 { 479 return (Element); 480 } 481 482 Element = Element->Next; 483 } 484 485 if (Element == Allocation) 486 { 487 return (Element); 488 } 489 490 return (Element->Previous); 491 } 492 493 494 /******************************************************************************* 495 * 496 * FUNCTION: AcpiUtTrackAllocation 497 * 498 * PARAMETERS: Allocation - Address of allocated memory 499 * Size - Size of the allocation 500 * AllocType - MEM_MALLOC or MEM_CALLOC 501 * Component - Component type of caller 502 * Module - Source file name of caller 503 * Line - Line number of caller 504 * 505 * RETURN: Status 506 * 507 * DESCRIPTION: Inserts an element into the global allocation tracking list. 508 * 509 ******************************************************************************/ 510 511 static ACPI_STATUS 512 AcpiUtTrackAllocation ( 513 ACPI_DEBUG_MEM_BLOCK *Allocation, 514 ACPI_SIZE Size, 515 UINT8 AllocType, 516 UINT32 Component, 517 const char *Module, 518 UINT32 Line) 519 { 520 ACPI_MEMORY_LIST *MemList; 521 ACPI_DEBUG_MEM_BLOCK *Element; 522 ACPI_STATUS Status = AE_OK; 523 524 525 ACPI_FUNCTION_TRACE_PTR (UtTrackAllocation, Allocation); 526 527 528 if (AcpiGbl_DisableMemTracking) 529 { 530 return_ACPI_STATUS (AE_OK); 531 } 532 533 MemList = AcpiGbl_GlobalList; 534 Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY); 535 if (ACPI_FAILURE (Status)) 536 { 537 return_ACPI_STATUS (Status); 538 } 539 540 /* 541 * Search the global list for this address to make sure it is not 542 * already present. This will catch several kinds of problems. 543 */ 544 Element = AcpiUtFindAllocation (Allocation); 545 if (Element == Allocation) 546 { 547 ACPI_ERROR ((AE_INFO, 548 "UtTrackAllocation: Allocation (%p) already present in global list!", 549 Allocation)); 550 goto UnlockAndExit; 551 } 552 553 /* Fill in the instance data */ 554 555 Allocation->Size = (UINT32) Size; 556 Allocation->AllocType = AllocType; 557 Allocation->Component = Component; 558 Allocation->Line = Line; 559 560 AcpiUtSafeStrncpy (Allocation->Module, (char *) Module, ACPI_MAX_MODULE_NAME); 561 562 if (!Element) 563 { 564 /* Insert at list head */ 565 566 if (MemList->ListHead) 567 { 568 ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = 569 Allocation; 570 } 571 572 Allocation->Next = MemList->ListHead; 573 Allocation->Previous = NULL; 574 575 MemList->ListHead = Allocation; 576 } 577 else 578 { 579 /* Insert after element */ 580 581 Allocation->Next = Element->Next; 582 Allocation->Previous = Element; 583 584 if (Element->Next) 585 { 586 (Element->Next)->Previous = Allocation; 587 } 588 589 Element->Next = Allocation; 590 } 591 592 593 UnlockAndExit: 594 Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY); 595 return_ACPI_STATUS (Status); 596 } 597 598 599 /******************************************************************************* 600 * 601 * FUNCTION: AcpiUtRemoveAllocation 602 * 603 * PARAMETERS: Allocation - Address of allocated memory 604 * Component - Component type of caller 605 * Module - Source file name of caller 606 * Line - Line number of caller 607 * 608 * RETURN: Status 609 * 610 * DESCRIPTION: Deletes an element from the global allocation tracking list. 611 * 612 ******************************************************************************/ 613 614 static ACPI_STATUS 615 AcpiUtRemoveAllocation ( 616 ACPI_DEBUG_MEM_BLOCK *Allocation, 617 UINT32 Component, 618 const char *Module, 619 UINT32 Line) 620 { 621 ACPI_MEMORY_LIST *MemList; 622 ACPI_STATUS Status; 623 624 625 ACPI_FUNCTION_NAME (UtRemoveAllocation); 626 627 628 if (AcpiGbl_DisableMemTracking) 629 { 630 return (AE_OK); 631 } 632 633 MemList = AcpiGbl_GlobalList; 634 if (NULL == MemList->ListHead) 635 { 636 /* No allocations! */ 637 638 ACPI_ERROR ((Module, Line, 639 "Empty allocation list, nothing to free!")); 640 641 return (AE_OK); 642 } 643 644 Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY); 645 if (ACPI_FAILURE (Status)) 646 { 647 return (Status); 648 } 649 650 /* Unlink */ 651 652 if (Allocation->Previous) 653 { 654 (Allocation->Previous)->Next = Allocation->Next; 655 } 656 else 657 { 658 MemList->ListHead = Allocation->Next; 659 } 660 661 if (Allocation->Next) 662 { 663 (Allocation->Next)->Previous = Allocation->Previous; 664 } 665 666 ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing %p, size 0%X\n", 667 &Allocation->UserSpace, Allocation->Size)); 668 669 /* Mark the segment as deleted */ 670 671 memset (&Allocation->UserSpace, 0xEA, Allocation->Size); 672 673 Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY); 674 return (Status); 675 } 676 677 678 /******************************************************************************* 679 * 680 * FUNCTION: AcpiUtDumpAllocationInfo 681 * 682 * PARAMETERS: None 683 * 684 * RETURN: None 685 * 686 * DESCRIPTION: Print some info about the outstanding allocations. 687 * 688 ******************************************************************************/ 689 690 void 691 AcpiUtDumpAllocationInfo ( 692 void) 693 { 694 /* 695 ACPI_MEMORY_LIST *MemList; 696 */ 697 698 ACPI_FUNCTION_TRACE (UtDumpAllocationInfo); 699 700 /* 701 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, 702 ("%30s: %4d (%3d Kb)\n", "Current allocations", 703 MemList->CurrentCount, 704 ROUND_UP_TO_1K (MemList->CurrentSize))); 705 706 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, 707 ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", 708 MemList->MaxConcurrentCount, 709 ROUND_UP_TO_1K (MemList->MaxConcurrentSize))); 710 711 712 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, 713 ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", 714 RunningObjectCount, 715 ROUND_UP_TO_1K (RunningObjectSize))); 716 717 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, 718 ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", 719 RunningAllocCount, 720 ROUND_UP_TO_1K (RunningAllocSize))); 721 722 723 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, 724 ("%30s: %4d (%3d Kb)\n", "Current Nodes", 725 AcpiGbl_CurrentNodeCount, 726 ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize))); 727 728 ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, 729 ("%30s: %4d (%3d Kb)\n", "Max Nodes", 730 AcpiGbl_MaxConcurrentNodeCount, 731 ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount * 732 sizeof (ACPI_NAMESPACE_NODE))))); 733 */ 734 return_VOID; 735 } 736 737 738 /******************************************************************************* 739 * 740 * FUNCTION: AcpiUtDumpAllocations 741 * 742 * PARAMETERS: Component - Component(s) to dump info for. 743 * Module - Module to dump info for. NULL means all. 744 * 745 * RETURN: None 746 * 747 * DESCRIPTION: Print a list of all outstanding allocations. 748 * 749 ******************************************************************************/ 750 751 void 752 AcpiUtDumpAllocations ( 753 UINT32 Component, 754 const char *Module) 755 { 756 ACPI_DEBUG_MEM_BLOCK *Element; 757 ACPI_DESCRIPTOR *Descriptor; 758 UINT32 NumOutstanding = 0; 759 UINT8 DescriptorType; 760 761 762 ACPI_FUNCTION_TRACE (UtDumpAllocations); 763 764 765 if (AcpiGbl_DisableMemTracking) 766 { 767 return_VOID; 768 } 769 770 /* 771 * Walk the allocation list. 772 */ 773 if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY))) 774 { 775 return_VOID; 776 } 777 778 if (!AcpiGbl_GlobalList) 779 { 780 goto Exit; 781 } 782 783 Element = AcpiGbl_GlobalList->ListHead; 784 while (Element) 785 { 786 if ((Element->Component & Component) && 787 ((Module == NULL) || (0 == strcmp (Module, Element->Module)))) 788 { 789 Descriptor = ACPI_CAST_PTR ( 790 ACPI_DESCRIPTOR, &Element->UserSpace); 791 792 if (Element->Size < sizeof (ACPI_COMMON_DESCRIPTOR)) 793 { 794 AcpiOsPrintf ("%p Length 0x%04X %9.9s-%4.4u " 795 "[Not a Descriptor - too small]\n", 796 Descriptor, Element->Size, Element->Module, 797 Element->Line); 798 } 799 else 800 { 801 /* Ignore allocated objects that are in a cache */ 802 803 if (ACPI_GET_DESCRIPTOR_TYPE (Descriptor) != 804 ACPI_DESC_TYPE_CACHED) 805 { 806 AcpiOsPrintf ("%p Length 0x%04X %9.9s-%4.4u [%s] ", 807 Descriptor, Element->Size, Element->Module, 808 Element->Line, AcpiUtGetDescriptorName (Descriptor)); 809 810 /* Optional object hex dump */ 811 812 if (AcpiGbl_VerboseLeakDump) 813 { 814 AcpiOsPrintf ("\n"); 815 AcpiUtDumpBuffer ((UINT8 *) Descriptor, Element->Size, 816 DB_BYTE_DISPLAY, 0); 817 } 818 819 /* Validate the descriptor type using Type field and length */ 820 821 DescriptorType = 0; /* Not a valid descriptor type */ 822 823 switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor)) 824 { 825 case ACPI_DESC_TYPE_OPERAND: 826 827 if (Element->Size == sizeof (ACPI_OPERAND_OBJECT)) 828 { 829 DescriptorType = ACPI_DESC_TYPE_OPERAND; 830 } 831 break; 832 833 case ACPI_DESC_TYPE_PARSER: 834 835 if (Element->Size == sizeof (ACPI_PARSE_OBJECT)) 836 { 837 DescriptorType = ACPI_DESC_TYPE_PARSER; 838 } 839 break; 840 841 case ACPI_DESC_TYPE_NAMED: 842 843 if (Element->Size == sizeof (ACPI_NAMESPACE_NODE)) 844 { 845 DescriptorType = ACPI_DESC_TYPE_NAMED; 846 } 847 break; 848 849 default: 850 851 break; 852 } 853 854 /* Display additional info for the major descriptor types */ 855 856 switch (DescriptorType) 857 { 858 case ACPI_DESC_TYPE_OPERAND: 859 860 AcpiOsPrintf ("%12.12s RefCount 0x%04X\n", 861 AcpiUtGetTypeName (Descriptor->Object.Common.Type), 862 Descriptor->Object.Common.ReferenceCount); 863 break; 864 865 case ACPI_DESC_TYPE_PARSER: 866 867 AcpiOsPrintf ("AmlOpcode 0x%04X\n", 868 Descriptor->Op.Asl.AmlOpcode); 869 break; 870 871 case ACPI_DESC_TYPE_NAMED: 872 873 AcpiOsPrintf ("%4.4s\n", 874 AcpiUtGetNodeName (&Descriptor->Node)); 875 break; 876 877 default: 878 879 AcpiOsPrintf ( "\n"); 880 break; 881 } 882 } 883 } 884 885 NumOutstanding++; 886 } 887 888 Element = Element->Next; 889 } 890 891 Exit: 892 (void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY); 893 894 /* Print summary */ 895 896 if (!NumOutstanding) 897 { 898 ACPI_INFO (("No outstanding allocations")); 899 } 900 else 901 { 902 ACPI_ERROR ((AE_INFO, "%u (0x%X) Outstanding cache allocations", 903 NumOutstanding, NumOutstanding)); 904 } 905 906 return_VOID; 907 } 908 909 #endif /* ACPI_DBG_TRACK_ALLOCATIONS */ 910