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6d33b6be LZ |
1 | /****************************************************************************** |
2 | * | |
3 | * Module Name: uttrack - Memory allocation tracking routines (debug only) | |
4 | * | |
5 | *****************************************************************************/ | |
6 | ||
7 | /* | |
c8100dc4 | 8 | * Copyright (C) 2000 - 2016, Intel Corp. |
6d33b6be LZ |
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 | * | |
73a3090a | 48 | * Each memory allocation is tracked via a doubly linked list. Each |
6d33b6be | 49 | * element contains the caller's component, module name, function name, and |
73a3090a | 50 | * line number. acpi_ut_allocate and acpi_ut_allocate_zeroed call |
6d33b6be LZ |
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 */ | |
d8da9151 BM |
64 | static struct acpi_debug_mem_block *acpi_ut_find_allocation(struct |
65 | acpi_debug_mem_block | |
66 | *allocation); | |
6d33b6be LZ |
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 | |
0dfaaa3d | 93 | acpi_ut_create_list(const char *list_name, |
6d33b6be LZ |
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 | ||
4fa4616e | 103 | memset(cache, 0, sizeof(struct acpi_memory_list)); |
6d33b6be LZ |
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 | ||
b3c86c30 LZ |
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 | ||
6d33b6be | 141 | allocation = |
b3c86c30 | 142 | acpi_os_allocate(size + sizeof(struct acpi_debug_mem_header)); |
6d33b6be | 143 | if (!allocation) { |
b3c86c30 LZ |
144 | |
145 | /* Report allocation error */ | |
146 | ||
147 | ACPI_WARNING((module, line, | |
148 | "Could not allocate size %u", (u32)size)); | |
149 | ||
6d33b6be LZ |
150 | return (NULL); |
151 | } | |
152 | ||
1fad8738 BM |
153 | status = |
154 | acpi_ut_track_allocation(allocation, size, ACPI_MEM_MALLOC, | |
155 | component, module, line); | |
6d33b6be LZ |
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; | |
1fad8738 | 164 | |
6d33b6be LZ |
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 | ||
b3c86c30 LZ |
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 | ||
6d33b6be | 204 | allocation = |
b3c86c30 LZ |
205 | acpi_os_allocate_zeroed(size + |
206 | sizeof(struct acpi_debug_mem_header)); | |
6d33b6be LZ |
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; | |
1fad8738 | 227 | |
6d33b6be LZ |
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 | ||
1fad8738 BM |
274 | status = |
275 | acpi_ut_remove_allocation(debug_block, component, module, line); | |
6d33b6be LZ |
276 | if (ACPI_FAILURE(status)) { |
277 | ACPI_EXCEPTION((AE_INFO, status, "Could not free memory")); | |
278 | } | |
279 | ||
280 | acpi_os_free(debug_block); | |
d72c17a8 BM |
281 | ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "%p freed (block %p)\n", |
282 | allocation, debug_block)); | |
6d33b6be LZ |
283 | return_VOID; |
284 | } | |
285 | ||
286 | /******************************************************************************* | |
287 | * | |
288 | * FUNCTION: acpi_ut_find_allocation | |
289 | * | |
290 | * PARAMETERS: allocation - Address of allocated memory | |
291 | * | |
d8da9151 BM |
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. | |
6d33b6be LZ |
297 | * |
298 | * DESCRIPTION: Searches for an element in the global allocation tracking list. | |
d8da9151 BM |
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. | |
6d33b6be LZ |
310 | * |
311 | ******************************************************************************/ | |
312 | ||
d8da9151 BM |
313 | static struct acpi_debug_mem_block *acpi_ut_find_allocation(struct |
314 | acpi_debug_mem_block | |
315 | *allocation) | |
6d33b6be LZ |
316 | { |
317 | struct acpi_debug_mem_block *element; | |
318 | ||
6d33b6be | 319 | element = acpi_gbl_global_list->list_head; |
d8da9151 BM |
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) { | |
6d33b6be | 332 | |
d8da9151 | 333 | /* Check for end-of-list */ |
6d33b6be | 334 | |
d8da9151 | 335 | if (!element->next) { |
6d33b6be LZ |
336 | return (element); |
337 | } | |
338 | ||
339 | element = element->next; | |
340 | } | |
341 | ||
d8da9151 BM |
342 | if (element == allocation) { |
343 | return (element); | |
344 | } | |
345 | ||
346 | return (element->previous); | |
6d33b6be LZ |
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 | * | |
d8da9151 | 360 | * RETURN: Status |
6d33b6be LZ |
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 | /* | |
d8da9151 BM |
389 | * Search the global list for this address to make sure it is not |
390 | * already present. This will catch several kinds of problems. | |
6d33b6be LZ |
391 | */ |
392 | element = acpi_ut_find_allocation(allocation); | |
d8da9151 | 393 | if (element == allocation) { |
6d33b6be | 394 | ACPI_ERROR((AE_INFO, |
d8da9151 | 395 | "UtTrackAllocation: Allocation (%p) already present in global list!", |
6d33b6be | 396 | allocation)); |
6d33b6be LZ |
397 | goto unlock_and_exit; |
398 | } | |
399 | ||
d8da9151 | 400 | /* Fill in the instance data */ |
6d33b6be LZ |
401 | |
402 | allocation->size = (u32)size; | |
403 | allocation->alloc_type = alloc_type; | |
404 | allocation->component = component; | |
405 | allocation->line = line; | |
406 | ||
4fa4616e | 407 | strncpy(allocation->module, module, ACPI_MAX_MODULE_NAME); |
6d33b6be LZ |
408 | allocation->module[ACPI_MAX_MODULE_NAME - 1] = 0; |
409 | ||
d8da9151 | 410 | if (!element) { |
6d33b6be | 411 | |
d8da9151 BM |
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; | |
6d33b6be | 421 | |
d8da9151 BM |
422 | mem_list->list_head = allocation; |
423 | } else { | |
424 | /* Insert after element */ | |
6d33b6be | 425 | |
d8da9151 BM |
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 | } | |
6d33b6be | 435 | |
10622bf8 | 436 | unlock_and_exit: |
6d33b6be LZ |
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 | * | |
d8da9151 | 450 | * RETURN: Status |
6d33b6be LZ |
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 | ||
0e770b32 | 463 | ACPI_FUNCTION_NAME(ut_remove_allocation); |
6d33b6be LZ |
464 | |
465 | if (acpi_gbl_disable_mem_tracking) { | |
0e770b32 | 466 | return (AE_OK); |
6d33b6be LZ |
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 | ||
0e770b32 | 477 | return (AE_OK); |
6d33b6be LZ |
478 | } |
479 | ||
480 | status = acpi_ut_acquire_mutex(ACPI_MTX_MEMORY); | |
481 | if (ACPI_FAILURE(status)) { | |
0e770b32 | 482 | return (status); |
6d33b6be LZ |
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 | ||
0e770b32 BM |
497 | ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "Freeing %p, size 0%X\n", |
498 | &allocation->user_space, allocation->size)); | |
499 | ||
6d33b6be LZ |
500 | /* Mark the segment as deleted */ |
501 | ||
4fa4616e | 502 | memset(&allocation->user_space, 0xEA, allocation->size); |
6d33b6be | 503 | |
6d33b6be | 504 | status = acpi_ut_release_mutex(ACPI_MTX_MEMORY); |
0e770b32 | 505 | return (status); |
6d33b6be LZ |
506 | } |
507 | ||
508 | /******************************************************************************* | |
509 | * | |
510 | * FUNCTION: acpi_ut_dump_allocation_info | |
511 | * | |
d8da9151 | 512 | * PARAMETERS: None |
6d33b6be LZ |
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, | |
1fad8738 BM |
530 | ("%30s: %4d (%3d Kb)\n", "Current allocations", |
531 | mem_list->current_count, | |
532 | ROUND_UP_TO_1K (mem_list->current_size))); | |
6d33b6be LZ |
533 | |
534 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
1fad8738 BM |
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))); | |
6d33b6be LZ |
538 | |
539 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
1fad8738 BM |
540 | ("%30s: %4d (%3d Kb)\n", "Total (all) internal objects", |
541 | running_object_count, | |
542 | ROUND_UP_TO_1K (running_object_size))); | |
6d33b6be LZ |
543 | |
544 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
1fad8738 BM |
545 | ("%30s: %4d (%3d Kb)\n", "Total (all) allocations", |
546 | running_alloc_count, | |
547 | ROUND_UP_TO_1K (running_alloc_size))); | |
6d33b6be LZ |
548 | |
549 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
1fad8738 BM |
550 | ("%30s: %4d (%3d Kb)\n", "Current Nodes", |
551 | acpi_gbl_current_node_count, | |
552 | ROUND_UP_TO_1K (acpi_gbl_current_node_size))); | |
6d33b6be LZ |
553 | |
554 | ACPI_DEBUG_PRINT (TRACE_ALLOCATIONS | TRACE_TABLES, | |
1fad8738 BM |
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))))); | |
6d33b6be LZ |
559 | */ |
560 | return_VOID; | |
561 | } | |
562 | ||
563 | /******************************************************************************* | |
564 | * | |
565 | * FUNCTION: acpi_ut_dump_allocations | |
566 | * | |
567 | * PARAMETERS: component - Component(s) to dump info for. | |
73a3090a | 568 | * module - Module to dump info for. NULL means all. |
6d33b6be LZ |
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) { | |
68aafc35 | 586 | return_VOID; |
6d33b6be LZ |
587 | } |
588 | ||
589 | /* | |
590 | * Walk the allocation list. | |
591 | */ | |
592 | if (ACPI_FAILURE(acpi_ut_acquire_mutex(ACPI_MTX_MEMORY))) { | |
68aafc35 | 593 | return_VOID; |
6d33b6be LZ |
594 | } |
595 | ||
596 | element = acpi_gbl_global_list->list_head; | |
597 | while (element) { | |
598 | if ((element->component & component) && | |
599 | ((module == NULL) | |
4fa4616e | 600 | || (0 == strcmp(module, element->module)))) { |
6d33b6be LZ |
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: | |
1d1ea1b7 | 630 | |
6d33b6be LZ |
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: | |
1d1ea1b7 | 641 | |
6d33b6be LZ |
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: | |
1d1ea1b7 | 651 | |
6d33b6be LZ |
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: | |
1d1ea1b7 | 662 | |
6d33b6be LZ |
663 | break; |
664 | } | |
665 | ||
666 | /* Display additional info for the major descriptor types */ | |
667 | ||
668 | switch (descriptor_type) { | |
669 | case ACPI_DESC_TYPE_OPERAND: | |
1d1ea1b7 | 670 | |
6d33b6be LZ |
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: | |
1d1ea1b7 | 681 | |
6d33b6be LZ |
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: | |
1d1ea1b7 | 689 | |
6d33b6be LZ |
690 | acpi_os_printf("%4.4s\n", |
691 | acpi_ut_get_node_name | |
692 | (&descriptor-> | |
693 | node)); | |
694 | break; | |
695 | ||
696 | default: | |
1d1ea1b7 | 697 | |
6d33b6be LZ |
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) { | |
05fb04b5 | 715 | ACPI_INFO(("No outstanding allocations")); |
6d33b6be LZ |
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 */ |