| 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. AcpiUtAllocate and AcpiUtAllocateZeroed call |
| 51 | * AcpiUtTrackAllocation to add an element to the list; deletion |
| 52 | * occurs in the body of AcpiUtFree. |
| 53 | */ |
| 54 | |
| 55 | #include "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 | |
| 64 | /* Local prototypes */ |
| 65 | |
| 66 | static ACPI_DEBUG_MEM_BLOCK * |
| 67 | AcpiUtFindAllocation ( |
| 68 | ACPI_DEBUG_MEM_BLOCK *Allocation); |
| 69 | |
| 70 | static ACPI_STATUS |
| 71 | AcpiUtTrackAllocation ( |
| 72 | ACPI_DEBUG_MEM_BLOCK *Address, |
| 73 | ACPI_SIZE Size, |
| 74 | UINT8 AllocType, |
| 75 | UINT32 Component, |
| 76 | const char *Module, |
| 77 | UINT32 Line); |
| 78 | |
| 79 | static ACPI_STATUS |
| 80 | AcpiUtRemoveAllocation ( |
| 81 | ACPI_DEBUG_MEM_BLOCK *Address, |
| 82 | UINT32 Component, |
| 83 | const char *Module, |
| 84 | UINT32 Line); |
| 85 | |
| 86 | |
| 87 | /******************************************************************************* |
| 88 | * |
| 89 | * FUNCTION: AcpiUtCreateList |
| 90 | * |
| 91 | * PARAMETERS: CacheName - Ascii name for the cache |
| 92 | * ObjectSize - Size of each cached object |
| 93 | * ReturnCache - Where the new cache object is returned |
| 94 | * |
| 95 | * RETURN: Status |
| 96 | * |
| 97 | * DESCRIPTION: Create a local memory list for tracking purposed |
| 98 | * |
| 99 | ******************************************************************************/ |
| 100 | |
| 101 | ACPI_STATUS |
| 102 | AcpiUtCreateList ( |
| 103 | const char *ListName, |
| 104 | UINT16 ObjectSize, |
| 105 | ACPI_MEMORY_LIST **ReturnCache) |
| 106 | { |
| 107 | ACPI_MEMORY_LIST *Cache; |
| 108 | |
| 109 | |
| 110 | Cache = AcpiOsAllocateZeroed (sizeof (ACPI_MEMORY_LIST)); |
| 111 | if (!Cache) |
| 112 | { |
| 113 | return (AE_NO_MEMORY); |
| 114 | } |
| 115 | |
| 116 | Cache->ListName = ListName; |
| 117 | Cache->ObjectSize = ObjectSize; |
| 118 | |
| 119 | *ReturnCache = Cache; |
| 120 | return (AE_OK); |
| 121 | } |
| 122 | |
| 123 | |
| 124 | /******************************************************************************* |
| 125 | * |
| 126 | * FUNCTION: AcpiUtAllocateAndTrack |
| 127 | * |
| 128 | * PARAMETERS: Size - Size of the allocation |
| 129 | * Component - Component type of caller |
| 130 | * Module - Source file name of caller |
| 131 | * Line - Line number of caller |
| 132 | * |
| 133 | * RETURN: Address of the allocated memory on success, NULL on failure. |
| 134 | * |
| 135 | * DESCRIPTION: The subsystem's equivalent of malloc. |
| 136 | * |
| 137 | ******************************************************************************/ |
| 138 | |
| 139 | void * |
| 140 | AcpiUtAllocateAndTrack ( |
| 141 | ACPI_SIZE Size, |
| 142 | UINT32 Component, |
| 143 | const char *Module, |
| 144 | UINT32 Line) |
| 145 | { |
| 146 | ACPI_DEBUG_MEM_BLOCK *Allocation; |
| 147 | ACPI_STATUS Status; |
| 148 | |
| 149 | |
| 150 | /* Check for an inadvertent size of zero bytes */ |
| 151 | |
| 152 | if (!Size) |
| 153 | { |
| 154 | ACPI_WARNING ((Module, Line, |
| 155 | "Attempt to allocate zero bytes, allocating 1 byte" )); |
| 156 | Size = 1; |
| 157 | } |
| 158 | |
| 159 | Allocation = AcpiOsAllocate (Size + sizeof (ACPI_DEBUG_MEM_HEADER)); |
| 160 | if (!Allocation) |
| 161 | { |
| 162 | /* Report allocation error */ |
| 163 | |
| 164 | ACPI_WARNING ((Module, Line, |
| 165 | "Could not allocate size %u" , (UINT32) Size)); |
| 166 | |
| 167 | return (NULL); |
| 168 | } |
| 169 | |
| 170 | Status = AcpiUtTrackAllocation ( |
| 171 | Allocation, Size, ACPI_MEM_MALLOC, Component, Module, Line); |
| 172 | if (ACPI_FAILURE (Status)) |
| 173 | { |
| 174 | AcpiOsFree (Allocation); |
| 175 | return (NULL); |
| 176 | } |
| 177 | |
| 178 | AcpiGbl_GlobalList->TotalAllocated++; |
| 179 | AcpiGbl_GlobalList->TotalSize += (UINT32) Size; |
| 180 | AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size; |
| 181 | |
| 182 | if (AcpiGbl_GlobalList->CurrentTotalSize > |
| 183 | AcpiGbl_GlobalList->MaxOccupied) |
| 184 | { |
| 185 | AcpiGbl_GlobalList->MaxOccupied = |
| 186 | AcpiGbl_GlobalList->CurrentTotalSize; |
| 187 | } |
| 188 | |
| 189 | return ((void *) &Allocation->UserSpace); |
| 190 | } |
| 191 | |
| 192 | |
| 193 | /******************************************************************************* |
| 194 | * |
| 195 | * FUNCTION: AcpiUtAllocateZeroedAndTrack |
| 196 | * |
| 197 | * PARAMETERS: Size - Size of the allocation |
| 198 | * Component - Component type of caller |
| 199 | * Module - Source file name of caller |
| 200 | * Line - Line number of caller |
| 201 | * |
| 202 | * RETURN: Address of the allocated memory on success, NULL on failure. |
| 203 | * |
| 204 | * DESCRIPTION: Subsystem equivalent of calloc. |
| 205 | * |
| 206 | ******************************************************************************/ |
| 207 | |
| 208 | void * |
| 209 | AcpiUtAllocateZeroedAndTrack ( |
| 210 | ACPI_SIZE Size, |
| 211 | UINT32 Component, |
| 212 | const char *Module, |
| 213 | UINT32 Line) |
| 214 | { |
| 215 | ACPI_DEBUG_MEM_BLOCK *Allocation; |
| 216 | ACPI_STATUS Status; |
| 217 | |
| 218 | |
| 219 | /* Check for an inadvertent size of zero bytes */ |
| 220 | |
| 221 | if (!Size) |
| 222 | { |
| 223 | ACPI_WARNING ((Module, Line, |
| 224 | "Attempt to allocate zero bytes, allocating 1 byte" )); |
| 225 | Size = 1; |
| 226 | } |
| 227 | |
| 228 | Allocation = AcpiOsAllocateZeroed ( |
| 229 | Size + sizeof (ACPI_DEBUG_MEM_HEADER)); |
| 230 | if (!Allocation) |
| 231 | { |
| 232 | /* Report allocation error */ |
| 233 | |
| 234 | ACPI_ERROR ((Module, Line, |
| 235 | "Could not allocate size %u" , (UINT32) Size)); |
| 236 | return (NULL); |
| 237 | } |
| 238 | |
| 239 | Status = AcpiUtTrackAllocation (Allocation, Size, |
| 240 | ACPI_MEM_CALLOC, Component, Module, Line); |
| 241 | if (ACPI_FAILURE (Status)) |
| 242 | { |
| 243 | AcpiOsFree (Allocation); |
| 244 | return (NULL); |
| 245 | } |
| 246 | |
| 247 | AcpiGbl_GlobalList->TotalAllocated++; |
| 248 | AcpiGbl_GlobalList->TotalSize += (UINT32) Size; |
| 249 | AcpiGbl_GlobalList->CurrentTotalSize += (UINT32) Size; |
| 250 | |
| 251 | if (AcpiGbl_GlobalList->CurrentTotalSize > |
| 252 | AcpiGbl_GlobalList->MaxOccupied) |
| 253 | { |
| 254 | AcpiGbl_GlobalList->MaxOccupied = |
| 255 | AcpiGbl_GlobalList->CurrentTotalSize; |
| 256 | } |
| 257 | |
| 258 | return ((void *) &Allocation->UserSpace); |
| 259 | } |
| 260 | |
| 261 | |
| 262 | /******************************************************************************* |
| 263 | * |
| 264 | * FUNCTION: AcpiUtFreeAndTrack |
| 265 | * |
| 266 | * PARAMETERS: Allocation - Address of the memory to deallocate |
| 267 | * Component - Component type of caller |
| 268 | * Module - Source file name of caller |
| 269 | * Line - Line number of caller |
| 270 | * |
| 271 | * RETURN: None |
| 272 | * |
| 273 | * DESCRIPTION: Frees the memory at Allocation |
| 274 | * |
| 275 | ******************************************************************************/ |
| 276 | |
| 277 | void |
| 278 | AcpiUtFreeAndTrack ( |
| 279 | void *Allocation, |
| 280 | UINT32 Component, |
| 281 | const char *Module, |
| 282 | UINT32 Line) |
| 283 | { |
| 284 | ACPI_DEBUG_MEM_BLOCK *DebugBlock; |
| 285 | ACPI_STATUS Status; |
| 286 | |
| 287 | |
| 288 | ACPI_FUNCTION_TRACE_PTR (UtFree, Allocation); |
| 289 | |
| 290 | |
| 291 | if (NULL == Allocation) |
| 292 | { |
| 293 | ACPI_ERROR ((Module, Line, |
| 294 | "Attempt to delete a NULL address" )); |
| 295 | |
| 296 | return_VOID; |
| 297 | } |
| 298 | |
| 299 | DebugBlock = ACPI_CAST_PTR (ACPI_DEBUG_MEM_BLOCK, |
| 300 | (((char *) Allocation) - sizeof (ACPI_DEBUG_MEM_HEADER))); |
| 301 | |
| 302 | AcpiGbl_GlobalList->TotalFreed++; |
| 303 | AcpiGbl_GlobalList->CurrentTotalSize -= DebugBlock->Size; |
| 304 | |
| 305 | Status = AcpiUtRemoveAllocation (DebugBlock, Component, Module, Line); |
| 306 | if (ACPI_FAILURE (Status)) |
| 307 | { |
| 308 | ACPI_EXCEPTION ((AE_INFO, Status, "Could not free memory" )); |
| 309 | } |
| 310 | |
| 311 | AcpiOsFree (DebugBlock); |
| 312 | ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "%p freed (block %p)\n" , |
| 313 | Allocation, DebugBlock)); |
| 314 | return_VOID; |
| 315 | } |
| 316 | |
| 317 | |
| 318 | /******************************************************************************* |
| 319 | * |
| 320 | * FUNCTION: AcpiUtFindAllocation |
| 321 | * |
| 322 | * PARAMETERS: Allocation - Address of allocated memory |
| 323 | * |
| 324 | * RETURN: Three cases: |
| 325 | * 1) List is empty, NULL is returned. |
| 326 | * 2) Element was found. Returns Allocation parameter. |
| 327 | * 3) Element was not found. Returns position where it should be |
| 328 | * inserted into the list. |
| 329 | * |
| 330 | * DESCRIPTION: Searches for an element in the global allocation tracking list. |
| 331 | * If the element is not found, returns the location within the |
| 332 | * list where the element should be inserted. |
| 333 | * |
| 334 | * Note: The list is ordered by larger-to-smaller addresses. |
| 335 | * |
| 336 | * This global list is used to detect memory leaks in ACPICA as |
| 337 | * well as other issues such as an attempt to release the same |
| 338 | * internal object more than once. Although expensive as far |
| 339 | * as cpu time, this list is much more helpful for finding these |
| 340 | * types of issues than using memory leak detectors outside of |
| 341 | * the ACPICA code. |
| 342 | * |
| 343 | ******************************************************************************/ |
| 344 | |
| 345 | static ACPI_DEBUG_MEM_BLOCK * |
| 346 | AcpiUtFindAllocation ( |
| 347 | ACPI_DEBUG_MEM_BLOCK *Allocation) |
| 348 | { |
| 349 | ACPI_DEBUG_MEM_BLOCK *Element; |
| 350 | |
| 351 | |
| 352 | Element = AcpiGbl_GlobalList->ListHead; |
| 353 | if (!Element) |
| 354 | { |
| 355 | return (NULL); |
| 356 | } |
| 357 | |
| 358 | /* |
| 359 | * Search for the address. |
| 360 | * |
| 361 | * Note: List is ordered by larger-to-smaller addresses, on the |
| 362 | * assumption that a new allocation usually has a larger address |
| 363 | * than previous allocations. |
| 364 | */ |
| 365 | while (Element > Allocation) |
| 366 | { |
| 367 | /* Check for end-of-list */ |
| 368 | |
| 369 | if (!Element->Next) |
| 370 | { |
| 371 | return (Element); |
| 372 | } |
| 373 | |
| 374 | Element = Element->Next; |
| 375 | } |
| 376 | |
| 377 | if (Element == Allocation) |
| 378 | { |
| 379 | return (Element); |
| 380 | } |
| 381 | |
| 382 | return (Element->Previous); |
| 383 | } |
| 384 | |
| 385 | |
| 386 | /******************************************************************************* |
| 387 | * |
| 388 | * FUNCTION: AcpiUtTrackAllocation |
| 389 | * |
| 390 | * PARAMETERS: Allocation - Address of allocated memory |
| 391 | * Size - Size of the allocation |
| 392 | * AllocType - MEM_MALLOC or MEM_CALLOC |
| 393 | * Component - Component type of caller |
| 394 | * Module - Source file name of caller |
| 395 | * Line - Line number of caller |
| 396 | * |
| 397 | * RETURN: Status |
| 398 | * |
| 399 | * DESCRIPTION: Inserts an element into the global allocation tracking list. |
| 400 | * |
| 401 | ******************************************************************************/ |
| 402 | |
| 403 | static ACPI_STATUS |
| 404 | AcpiUtTrackAllocation ( |
| 405 | ACPI_DEBUG_MEM_BLOCK *Allocation, |
| 406 | ACPI_SIZE Size, |
| 407 | UINT8 AllocType, |
| 408 | UINT32 Component, |
| 409 | const char *Module, |
| 410 | UINT32 Line) |
| 411 | { |
| 412 | ACPI_MEMORY_LIST *MemList; |
| 413 | ACPI_DEBUG_MEM_BLOCK *Element; |
| 414 | ACPI_STATUS Status = AE_OK; |
| 415 | |
| 416 | |
| 417 | ACPI_FUNCTION_TRACE_PTR (UtTrackAllocation, Allocation); |
| 418 | |
| 419 | |
| 420 | if (AcpiGbl_DisableMemTracking) |
| 421 | { |
| 422 | return_ACPI_STATUS (AE_OK); |
| 423 | } |
| 424 | |
| 425 | MemList = AcpiGbl_GlobalList; |
| 426 | Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY); |
| 427 | if (ACPI_FAILURE (Status)) |
| 428 | { |
| 429 | return_ACPI_STATUS (Status); |
| 430 | } |
| 431 | |
| 432 | /* |
| 433 | * Search the global list for this address to make sure it is not |
| 434 | * already present. This will catch several kinds of problems. |
| 435 | */ |
| 436 | Element = AcpiUtFindAllocation (Allocation); |
| 437 | if (Element == Allocation) |
| 438 | { |
| 439 | ACPI_ERROR ((AE_INFO, |
| 440 | "UtTrackAllocation: Allocation (%p) already present in global list!" , |
| 441 | Allocation)); |
| 442 | goto UnlockAndExit; |
| 443 | } |
| 444 | |
| 445 | /* Fill in the instance data */ |
| 446 | |
| 447 | Allocation->Size = (UINT32) Size; |
| 448 | Allocation->AllocType = AllocType; |
| 449 | Allocation->Component = Component; |
| 450 | Allocation->Line = Line; |
| 451 | |
| 452 | strncpy (Allocation->Module, Module, ACPI_MAX_MODULE_NAME); |
| 453 | Allocation->Module[ACPI_MAX_MODULE_NAME-1] = 0; |
| 454 | |
| 455 | if (!Element) |
| 456 | { |
| 457 | /* Insert at list head */ |
| 458 | |
| 459 | if (MemList->ListHead) |
| 460 | { |
| 461 | ((ACPI_DEBUG_MEM_BLOCK *)(MemList->ListHead))->Previous = |
| 462 | Allocation; |
| 463 | } |
| 464 | |
| 465 | Allocation->Next = MemList->ListHead; |
| 466 | Allocation->Previous = NULL; |
| 467 | |
| 468 | MemList->ListHead = Allocation; |
| 469 | } |
| 470 | else |
| 471 | { |
| 472 | /* Insert after element */ |
| 473 | |
| 474 | Allocation->Next = Element->Next; |
| 475 | Allocation->Previous = Element; |
| 476 | |
| 477 | if (Element->Next) |
| 478 | { |
| 479 | (Element->Next)->Previous = Allocation; |
| 480 | } |
| 481 | |
| 482 | Element->Next = Allocation; |
| 483 | } |
| 484 | |
| 485 | |
| 486 | UnlockAndExit: |
| 487 | Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY); |
| 488 | return_ACPI_STATUS (Status); |
| 489 | } |
| 490 | |
| 491 | |
| 492 | /******************************************************************************* |
| 493 | * |
| 494 | * FUNCTION: AcpiUtRemoveAllocation |
| 495 | * |
| 496 | * PARAMETERS: Allocation - Address of allocated memory |
| 497 | * Component - Component type of caller |
| 498 | * Module - Source file name of caller |
| 499 | * Line - Line number of caller |
| 500 | * |
| 501 | * RETURN: Status |
| 502 | * |
| 503 | * DESCRIPTION: Deletes an element from the global allocation tracking list. |
| 504 | * |
| 505 | ******************************************************************************/ |
| 506 | |
| 507 | static ACPI_STATUS |
| 508 | AcpiUtRemoveAllocation ( |
| 509 | ACPI_DEBUG_MEM_BLOCK *Allocation, |
| 510 | UINT32 Component, |
| 511 | const char *Module, |
| 512 | UINT32 Line) |
| 513 | { |
| 514 | ACPI_MEMORY_LIST *MemList; |
| 515 | ACPI_STATUS Status; |
| 516 | |
| 517 | |
| 518 | ACPI_FUNCTION_NAME (UtRemoveAllocation); |
| 519 | |
| 520 | |
| 521 | if (AcpiGbl_DisableMemTracking) |
| 522 | { |
| 523 | return (AE_OK); |
| 524 | } |
| 525 | |
| 526 | MemList = AcpiGbl_GlobalList; |
| 527 | if (NULL == MemList->ListHead) |
| 528 | { |
| 529 | /* No allocations! */ |
| 530 | |
| 531 | ACPI_ERROR ((Module, Line, |
| 532 | "Empty allocation list, nothing to free!" )); |
| 533 | |
| 534 | return (AE_OK); |
| 535 | } |
| 536 | |
| 537 | Status = AcpiUtAcquireMutex (ACPI_MTX_MEMORY); |
| 538 | if (ACPI_FAILURE (Status)) |
| 539 | { |
| 540 | return (Status); |
| 541 | } |
| 542 | |
| 543 | /* Unlink */ |
| 544 | |
| 545 | if (Allocation->Previous) |
| 546 | { |
| 547 | (Allocation->Previous)->Next = Allocation->Next; |
| 548 | } |
| 549 | else |
| 550 | { |
| 551 | MemList->ListHead = Allocation->Next; |
| 552 | } |
| 553 | |
| 554 | if (Allocation->Next) |
| 555 | { |
| 556 | (Allocation->Next)->Previous = Allocation->Previous; |
| 557 | } |
| 558 | |
| 559 | ACPI_DEBUG_PRINT ((ACPI_DB_ALLOCATIONS, "Freeing %p, size 0%X\n" , |
| 560 | &Allocation->UserSpace, Allocation->Size)); |
| 561 | |
| 562 | /* Mark the segment as deleted */ |
| 563 | |
| 564 | memset (&Allocation->UserSpace, 0xEA, Allocation->Size); |
| 565 | |
| 566 | Status = AcpiUtReleaseMutex (ACPI_MTX_MEMORY); |
| 567 | return (Status); |
| 568 | } |
| 569 | |
| 570 | |
| 571 | /******************************************************************************* |
| 572 | * |
| 573 | * FUNCTION: AcpiUtDumpAllocationInfo |
| 574 | * |
| 575 | * PARAMETERS: None |
| 576 | * |
| 577 | * RETURN: None |
| 578 | * |
| 579 | * DESCRIPTION: Print some info about the outstanding allocations. |
| 580 | * |
| 581 | ******************************************************************************/ |
| 582 | |
| 583 | void |
| 584 | AcpiUtDumpAllocationInfo ( |
| 585 | void) |
| 586 | { |
| 587 | /* |
| 588 | ACPI_MEMORY_LIST *MemList; |
| 589 | */ |
| 590 | |
| 591 | ACPI_FUNCTION_TRACE (UtDumpAllocationInfo); |
| 592 | |
| 593 | /* |
| 594 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, |
| 595 | ("%30s: %4d (%3d Kb)\n", "Current allocations", |
| 596 | MemList->CurrentCount, |
| 597 | ROUND_UP_TO_1K (MemList->CurrentSize))); |
| 598 | |
| 599 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, |
| 600 | ("%30s: %4d (%3d Kb)\n", "Max concurrent allocations", |
| 601 | MemList->MaxConcurrentCount, |
| 602 | ROUND_UP_TO_1K (MemList->MaxConcurrentSize))); |
| 603 | |
| 604 | |
| 605 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, |
| 606 | ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", |
| 607 | RunningObjectCount, |
| 608 | ROUND_UP_TO_1K (RunningObjectSize))); |
| 609 | |
| 610 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, |
| 611 | ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", |
| 612 | RunningAllocCount, |
| 613 | ROUND_UP_TO_1K (RunningAllocSize))); |
| 614 | |
| 615 | |
| 616 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, |
| 617 | ("%30s: %4d (%3d Kb)\n", "Current Nodes", |
| 618 | AcpiGbl_CurrentNodeCount, |
| 619 | ROUND_UP_TO_1K (AcpiGbl_CurrentNodeSize))); |
| 620 | |
| 621 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, |
| 622 | ("%30s: %4d (%3d Kb)\n", "Max Nodes", |
| 623 | AcpiGbl_MaxConcurrentNodeCount, |
| 624 | ROUND_UP_TO_1K ((AcpiGbl_MaxConcurrentNodeCount * |
| 625 | sizeof (ACPI_NAMESPACE_NODE))))); |
| 626 | */ |
| 627 | return_VOID; |
| 628 | } |
| 629 | |
| 630 | |
| 631 | /******************************************************************************* |
| 632 | * |
| 633 | * FUNCTION: AcpiUtDumpAllocations |
| 634 | * |
| 635 | * PARAMETERS: Component - Component(s) to dump info for. |
| 636 | * Module - Module to dump info for. NULL means all. |
| 637 | * |
| 638 | * RETURN: None |
| 639 | * |
| 640 | * DESCRIPTION: Print a list of all outstanding allocations. |
| 641 | * |
| 642 | ******************************************************************************/ |
| 643 | |
| 644 | void |
| 645 | AcpiUtDumpAllocations ( |
| 646 | UINT32 Component, |
| 647 | const char *Module) |
| 648 | { |
| 649 | ACPI_DEBUG_MEM_BLOCK *Element; |
| 650 | ACPI_DESCRIPTOR *Descriptor; |
| 651 | UINT32 NumOutstanding = 0; |
| 652 | UINT8 DescriptorType; |
| 653 | |
| 654 | |
| 655 | ACPI_FUNCTION_TRACE (UtDumpAllocations); |
| 656 | |
| 657 | |
| 658 | if (AcpiGbl_DisableMemTracking) |
| 659 | { |
| 660 | return_VOID; |
| 661 | } |
| 662 | |
| 663 | /* |
| 664 | * Walk the allocation list. |
| 665 | */ |
| 666 | if (ACPI_FAILURE (AcpiUtAcquireMutex (ACPI_MTX_MEMORY))) |
| 667 | { |
| 668 | return_VOID; |
| 669 | } |
| 670 | |
| 671 | Element = AcpiGbl_GlobalList->ListHead; |
| 672 | while (Element) |
| 673 | { |
| 674 | if ((Element->Component & Component) && |
| 675 | ((Module == NULL) || (0 == strcmp (Module, Element->Module)))) |
| 676 | { |
| 677 | Descriptor = ACPI_CAST_PTR ( |
| 678 | ACPI_DESCRIPTOR, &Element->UserSpace); |
| 679 | |
| 680 | if (Element->Size < sizeof (ACPI_COMMON_DESCRIPTOR)) |
| 681 | { |
| 682 | AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u " |
| 683 | "[Not a Descriptor - too small]\n" , |
| 684 | Descriptor, Element->Size, Element->Module, |
| 685 | Element->Line); |
| 686 | } |
| 687 | else |
| 688 | { |
| 689 | /* Ignore allocated objects that are in a cache */ |
| 690 | |
| 691 | if (ACPI_GET_DESCRIPTOR_TYPE (Descriptor) != |
| 692 | ACPI_DESC_TYPE_CACHED) |
| 693 | { |
| 694 | AcpiOsPrintf ("%p Length 0x%04X %9.9s-%u [%s] " , |
| 695 | Descriptor, Element->Size, Element->Module, |
| 696 | Element->Line, AcpiUtGetDescriptorName (Descriptor)); |
| 697 | |
| 698 | /* Validate the descriptor type using Type field and length */ |
| 699 | |
| 700 | DescriptorType = 0; /* Not a valid descriptor type */ |
| 701 | |
| 702 | switch (ACPI_GET_DESCRIPTOR_TYPE (Descriptor)) |
| 703 | { |
| 704 | case ACPI_DESC_TYPE_OPERAND: |
| 705 | |
| 706 | if (Element->Size == sizeof (ACPI_OPERAND_OBJECT)) |
| 707 | { |
| 708 | DescriptorType = ACPI_DESC_TYPE_OPERAND; |
| 709 | } |
| 710 | break; |
| 711 | |
| 712 | case ACPI_DESC_TYPE_PARSER: |
| 713 | |
| 714 | if (Element->Size == sizeof (ACPI_PARSE_OBJECT)) |
| 715 | { |
| 716 | DescriptorType = ACPI_DESC_TYPE_PARSER; |
| 717 | } |
| 718 | break; |
| 719 | |
| 720 | case ACPI_DESC_TYPE_NAMED: |
| 721 | |
| 722 | if (Element->Size == sizeof (ACPI_NAMESPACE_NODE)) |
| 723 | { |
| 724 | DescriptorType = ACPI_DESC_TYPE_NAMED; |
| 725 | } |
| 726 | break; |
| 727 | |
| 728 | default: |
| 729 | |
| 730 | break; |
| 731 | } |
| 732 | |
| 733 | /* Display additional info for the major descriptor types */ |
| 734 | |
| 735 | switch (DescriptorType) |
| 736 | { |
| 737 | case ACPI_DESC_TYPE_OPERAND: |
| 738 | |
| 739 | AcpiOsPrintf ("%12.12s RefCount 0x%04X\n" , |
| 740 | AcpiUtGetTypeName (Descriptor->Object.Common.Type), |
| 741 | Descriptor->Object.Common.ReferenceCount); |
| 742 | break; |
| 743 | |
| 744 | case ACPI_DESC_TYPE_PARSER: |
| 745 | |
| 746 | AcpiOsPrintf ("AmlOpcode 0x%04hX\n" , |
| 747 | Descriptor->Op.Asl.AmlOpcode); |
| 748 | break; |
| 749 | |
| 750 | case ACPI_DESC_TYPE_NAMED: |
| 751 | |
| 752 | AcpiOsPrintf ("%4.4s\n" , |
| 753 | AcpiUtGetNodeName (&Descriptor->Node)); |
| 754 | break; |
| 755 | |
| 756 | default: |
| 757 | |
| 758 | AcpiOsPrintf ( "\n" ); |
| 759 | break; |
| 760 | } |
| 761 | } |
| 762 | } |
| 763 | |
| 764 | NumOutstanding++; |
| 765 | } |
| 766 | |
| 767 | Element = Element->Next; |
| 768 | } |
| 769 | |
| 770 | (void) AcpiUtReleaseMutex (ACPI_MTX_MEMORY); |
| 771 | |
| 772 | /* Print summary */ |
| 773 | |
| 774 | if (!NumOutstanding) |
| 775 | { |
| 776 | ACPI_INFO (("No outstanding allocations" )); |
| 777 | } |
| 778 | else |
| 779 | { |
| 780 | ACPI_ERROR ((AE_INFO, "%u(0x%X) Outstanding allocations" , |
| 781 | NumOutstanding, NumOutstanding)); |
| 782 | } |
| 783 | |
| 784 | return_VOID; |
| 785 | } |
| 786 | |
| 787 | #endif /* ACPI_DBG_TRACK_ALLOCATIONS */ |
| 788 | |