xref: /openbmc/linux/drivers/acpi/acpica/dbstats.c (revision abfbd895)
1 /*******************************************************************************
2  *
3  * Module Name: dbstats - Generation and display of ACPI table statistics
4  *
5  ******************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2015, 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 #include <acpi/acpi.h>
45 #include "accommon.h"
46 #include "acdebug.h"
47 #include "acnamesp.h"
48 
49 #define _COMPONENT          ACPI_CA_DEBUGGER
50 ACPI_MODULE_NAME("dbstats")
51 
52 /* Local prototypes */
53 static void acpi_db_count_namespace_objects(void);
54 
55 static void acpi_db_enumerate_object(union acpi_operand_object *obj_desc);
56 
57 static acpi_status
58 acpi_db_classify_one_object(acpi_handle obj_handle,
59 			    u32 nesting_level,
60 			    void *context, void **return_value);
61 
62 #if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE
63 static void acpi_db_list_info(struct acpi_memory_list *list);
64 #endif
65 
66 /*
67  * Statistics subcommands
68  */
69 static struct acpi_db_argument_info acpi_db_stat_types[] = {
70 	{"ALLOCATIONS"},
71 	{"OBJECTS"},
72 	{"MEMORY"},
73 	{"MISC"},
74 	{"TABLES"},
75 	{"SIZES"},
76 	{"STACK"},
77 	{NULL}			/* Must be null terminated */
78 };
79 
80 #define CMD_STAT_ALLOCATIONS     0
81 #define CMD_STAT_OBJECTS         1
82 #define CMD_STAT_MEMORY          2
83 #define CMD_STAT_MISC            3
84 #define CMD_STAT_TABLES          4
85 #define CMD_STAT_SIZES           5
86 #define CMD_STAT_STACK           6
87 
88 #if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE
89 /*******************************************************************************
90  *
91  * FUNCTION:    acpi_db_list_info
92  *
93  * PARAMETERS:  list            - Memory list/cache to be displayed
94  *
95  * RETURN:      None
96  *
97  * DESCRIPTION: Display information about the input memory list or cache.
98  *
99  ******************************************************************************/
100 
101 static void acpi_db_list_info(struct acpi_memory_list *list)
102 {
103 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
104 	u32 outstanding;
105 #endif
106 
107 	acpi_os_printf("\n%s\n", list->list_name);
108 
109 	/* max_depth > 0 indicates a cache object */
110 
111 	if (list->max_depth > 0) {
112 		acpi_os_printf
113 		    ("    Cache: [Depth    MaxD Avail  Size]                "
114 		     "%8.2X %8.2X %8.2X %8.2X\n", list->current_depth,
115 		     list->max_depth, list->max_depth - list->current_depth,
116 		     (list->current_depth * list->object_size));
117 	}
118 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
119 	if (list->max_depth > 0) {
120 		acpi_os_printf
121 		    ("    Cache: [Requests Hits Misses ObjSize]             "
122 		     "%8.2X %8.2X %8.2X %8.2X\n", list->requests, list->hits,
123 		     list->requests - list->hits, list->object_size);
124 	}
125 
126 	outstanding = acpi_db_get_cache_info(list);
127 
128 	if (list->object_size) {
129 		acpi_os_printf
130 		    ("    Mem:   [Alloc    Free Max    CurSize Outstanding] "
131 		     "%8.2X %8.2X %8.2X %8.2X %8.2X\n", list->total_allocated,
132 		     list->total_freed, list->max_occupied,
133 		     outstanding * list->object_size, outstanding);
134 	} else {
135 		acpi_os_printf
136 		    ("    Mem:   [Alloc Free Max CurSize Outstanding Total] "
137 		     "%8.2X %8.2X %8.2X %8.2X %8.2X %8.2X\n",
138 		     list->total_allocated, list->total_freed,
139 		     list->max_occupied, list->current_total_size, outstanding,
140 		     list->total_size);
141 	}
142 #endif
143 }
144 #endif
145 
146 /*******************************************************************************
147  *
148  * FUNCTION:    acpi_db_enumerate_object
149  *
150  * PARAMETERS:  obj_desc            - Object to be counted
151  *
152  * RETURN:      None
153  *
154  * DESCRIPTION: Add this object to the global counts, by object type.
155  *              Limited recursion handles subobjects and packages, and this
156  *              is probably acceptable within the AML debugger only.
157  *
158  ******************************************************************************/
159 
160 static void acpi_db_enumerate_object(union acpi_operand_object *obj_desc)
161 {
162 	u32 i;
163 
164 	if (!obj_desc) {
165 		return;
166 	}
167 
168 	/* Enumerate this object first */
169 
170 	acpi_gbl_num_objects++;
171 
172 	if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) {
173 		acpi_gbl_obj_type_count_misc++;
174 	} else {
175 		acpi_gbl_obj_type_count[obj_desc->common.type]++;
176 	}
177 
178 	/* Count the sub-objects */
179 
180 	switch (obj_desc->common.type) {
181 	case ACPI_TYPE_PACKAGE:
182 
183 		for (i = 0; i < obj_desc->package.count; i++) {
184 			acpi_db_enumerate_object(obj_desc->package.elements[i]);
185 		}
186 		break;
187 
188 	case ACPI_TYPE_DEVICE:
189 
190 		acpi_db_enumerate_object(obj_desc->device.notify_list[0]);
191 		acpi_db_enumerate_object(obj_desc->device.notify_list[1]);
192 		acpi_db_enumerate_object(obj_desc->device.handler);
193 		break;
194 
195 	case ACPI_TYPE_BUFFER_FIELD:
196 
197 		if (acpi_ns_get_secondary_object(obj_desc)) {
198 			acpi_gbl_obj_type_count[ACPI_TYPE_BUFFER_FIELD]++;
199 		}
200 		break;
201 
202 	case ACPI_TYPE_REGION:
203 
204 		acpi_gbl_obj_type_count[ACPI_TYPE_LOCAL_REGION_FIELD]++;
205 		acpi_db_enumerate_object(obj_desc->region.handler);
206 		break;
207 
208 	case ACPI_TYPE_POWER:
209 
210 		acpi_db_enumerate_object(obj_desc->power_resource.
211 					 notify_list[0]);
212 		acpi_db_enumerate_object(obj_desc->power_resource.
213 					 notify_list[1]);
214 		break;
215 
216 	case ACPI_TYPE_PROCESSOR:
217 
218 		acpi_db_enumerate_object(obj_desc->processor.notify_list[0]);
219 		acpi_db_enumerate_object(obj_desc->processor.notify_list[1]);
220 		acpi_db_enumerate_object(obj_desc->processor.handler);
221 		break;
222 
223 	case ACPI_TYPE_THERMAL:
224 
225 		acpi_db_enumerate_object(obj_desc->thermal_zone.notify_list[0]);
226 		acpi_db_enumerate_object(obj_desc->thermal_zone.notify_list[1]);
227 		acpi_db_enumerate_object(obj_desc->thermal_zone.handler);
228 		break;
229 
230 	default:
231 
232 		break;
233 	}
234 }
235 
236 /*******************************************************************************
237  *
238  * FUNCTION:    acpi_db_classify_one_object
239  *
240  * PARAMETERS:  Callback for walk_namespace
241  *
242  * RETURN:      Status
243  *
244  * DESCRIPTION: Enumerate both the object descriptor (including subobjects) and
245  *              the parent namespace node.
246  *
247  ******************************************************************************/
248 
249 static acpi_status
250 acpi_db_classify_one_object(acpi_handle obj_handle,
251 			    u32 nesting_level,
252 			    void *context, void **return_value)
253 {
254 	struct acpi_namespace_node *node;
255 	union acpi_operand_object *obj_desc;
256 	u32 type;
257 
258 	acpi_gbl_num_nodes++;
259 
260 	node = (struct acpi_namespace_node *)obj_handle;
261 	obj_desc = acpi_ns_get_attached_object(node);
262 
263 	acpi_db_enumerate_object(obj_desc);
264 
265 	type = node->type;
266 	if (type > ACPI_TYPE_NS_NODE_MAX) {
267 		acpi_gbl_node_type_count_misc++;
268 	} else {
269 		acpi_gbl_node_type_count[type]++;
270 	}
271 
272 	return (AE_OK);
273 
274 #ifdef ACPI_FUTURE_IMPLEMENTATION
275 
276 	/* TBD: These need to be counted during the initial parsing phase */
277 
278 	if (acpi_ps_is_named_op(op->opcode)) {
279 		num_nodes++;
280 	}
281 
282 	if (is_method) {
283 		num_method_elements++;
284 	}
285 
286 	num_grammar_elements++;
287 	op = acpi_ps_get_depth_next(root, op);
288 
289 	size_of_parse_tree = (num_grammar_elements - num_method_elements) *
290 	    (u32)sizeof(union acpi_parse_object);
291 	size_of_method_trees =
292 	    num_method_elements * (u32)sizeof(union acpi_parse_object);
293 	size_of_node_entries =
294 	    num_nodes * (u32)sizeof(struct acpi_namespace_node);
295 	size_of_acpi_objects =
296 	    num_nodes * (u32)sizeof(union acpi_operand_object);
297 #endif
298 }
299 
300 /*******************************************************************************
301  *
302  * FUNCTION:    acpi_db_count_namespace_objects
303  *
304  * PARAMETERS:  None
305  *
306  * RETURN:      None
307  *
308  * DESCRIPTION: Count and classify the entire namespace, including all
309  *              namespace nodes and attached objects.
310  *
311  ******************************************************************************/
312 
313 static void acpi_db_count_namespace_objects(void)
314 {
315 	u32 i;
316 
317 	acpi_gbl_num_nodes = 0;
318 	acpi_gbl_num_objects = 0;
319 
320 	acpi_gbl_obj_type_count_misc = 0;
321 	for (i = 0; i < (ACPI_TYPE_NS_NODE_MAX - 1); i++) {
322 		acpi_gbl_obj_type_count[i] = 0;
323 		acpi_gbl_node_type_count[i] = 0;
324 	}
325 
326 	(void)acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
327 				     ACPI_UINT32_MAX, FALSE,
328 				     acpi_db_classify_one_object, NULL, NULL,
329 				     NULL);
330 }
331 
332 /*******************************************************************************
333  *
334  * FUNCTION:    acpi_db_display_statistics
335  *
336  * PARAMETERS:  type_arg        - Subcommand
337  *
338  * RETURN:      Status
339  *
340  * DESCRIPTION: Display various statistics
341  *
342  ******************************************************************************/
343 
344 acpi_status acpi_db_display_statistics(char *type_arg)
345 {
346 	u32 i;
347 	u32 temp;
348 
349 	acpi_ut_strupr(type_arg);
350 	temp = acpi_db_match_argument(type_arg, acpi_db_stat_types);
351 	if (temp == ACPI_TYPE_NOT_FOUND) {
352 		acpi_os_printf("Invalid or unsupported argument\n");
353 		return (AE_OK);
354 	}
355 
356 	switch (temp) {
357 	case CMD_STAT_ALLOCATIONS:
358 
359 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
360 		acpi_ut_dump_allocation_info();
361 #endif
362 		break;
363 
364 	case CMD_STAT_TABLES:
365 
366 		acpi_os_printf("ACPI Table Information (not implemented):\n\n");
367 		break;
368 
369 	case CMD_STAT_OBJECTS:
370 
371 		acpi_db_count_namespace_objects();
372 
373 		acpi_os_printf
374 		    ("\nObjects defined in the current namespace:\n\n");
375 
376 		acpi_os_printf("%16.16s %10.10s %10.10s\n",
377 			       "ACPI_TYPE", "NODES", "OBJECTS");
378 
379 		for (i = 0; i < ACPI_TYPE_NS_NODE_MAX; i++) {
380 			acpi_os_printf("%16.16s % 10ld% 10ld\n",
381 				       acpi_ut_get_type_name(i),
382 				       acpi_gbl_node_type_count[i],
383 				       acpi_gbl_obj_type_count[i]);
384 		}
385 		acpi_os_printf("%16.16s % 10ld% 10ld\n", "Misc/Unknown",
386 			       acpi_gbl_node_type_count_misc,
387 			       acpi_gbl_obj_type_count_misc);
388 
389 		acpi_os_printf("%16.16s % 10ld% 10ld\n", "TOTALS:",
390 			       acpi_gbl_num_nodes, acpi_gbl_num_objects);
391 		break;
392 
393 	case CMD_STAT_MEMORY:
394 
395 #ifdef ACPI_DBG_TRACK_ALLOCATIONS
396 		acpi_os_printf
397 		    ("\n----Object Statistics (all in hex)---------\n");
398 
399 		acpi_db_list_info(acpi_gbl_global_list);
400 		acpi_db_list_info(acpi_gbl_ns_node_list);
401 #endif
402 
403 #ifdef ACPI_USE_LOCAL_CACHE
404 		acpi_os_printf
405 		    ("\n----Cache Statistics (all in hex)---------\n");
406 		acpi_db_list_info(acpi_gbl_operand_cache);
407 		acpi_db_list_info(acpi_gbl_ps_node_cache);
408 		acpi_db_list_info(acpi_gbl_ps_node_ext_cache);
409 		acpi_db_list_info(acpi_gbl_state_cache);
410 #endif
411 
412 		break;
413 
414 	case CMD_STAT_MISC:
415 
416 		acpi_os_printf("\nMiscellaneous Statistics:\n\n");
417 		acpi_os_printf("Calls to AcpiPsFind:.. ........% 7ld\n",
418 			       acpi_gbl_ps_find_count);
419 		acpi_os_printf("Calls to AcpiNsLookup:..........% 7ld\n",
420 			       acpi_gbl_ns_lookup_count);
421 
422 		acpi_os_printf("\n");
423 
424 		acpi_os_printf("Mutex usage:\n\n");
425 		for (i = 0; i < ACPI_NUM_MUTEX; i++) {
426 			acpi_os_printf("%-28s:     % 7ld\n",
427 				       acpi_ut_get_mutex_name(i),
428 				       acpi_gbl_mutex_info[i].use_count);
429 		}
430 		break;
431 
432 	case CMD_STAT_SIZES:
433 
434 		acpi_os_printf("\nInternal object sizes:\n\n");
435 
436 		acpi_os_printf("Common         %3d\n",
437 			       sizeof(struct acpi_object_common));
438 		acpi_os_printf("Number         %3d\n",
439 			       sizeof(struct acpi_object_integer));
440 		acpi_os_printf("String         %3d\n",
441 			       sizeof(struct acpi_object_string));
442 		acpi_os_printf("Buffer         %3d\n",
443 			       sizeof(struct acpi_object_buffer));
444 		acpi_os_printf("Package        %3d\n",
445 			       sizeof(struct acpi_object_package));
446 		acpi_os_printf("BufferField    %3d\n",
447 			       sizeof(struct acpi_object_buffer_field));
448 		acpi_os_printf("Device         %3d\n",
449 			       sizeof(struct acpi_object_device));
450 		acpi_os_printf("Event          %3d\n",
451 			       sizeof(struct acpi_object_event));
452 		acpi_os_printf("Method         %3d\n",
453 			       sizeof(struct acpi_object_method));
454 		acpi_os_printf("Mutex          %3d\n",
455 			       sizeof(struct acpi_object_mutex));
456 		acpi_os_printf("Region         %3d\n",
457 			       sizeof(struct acpi_object_region));
458 		acpi_os_printf("PowerResource  %3d\n",
459 			       sizeof(struct acpi_object_power_resource));
460 		acpi_os_printf("Processor      %3d\n",
461 			       sizeof(struct acpi_object_processor));
462 		acpi_os_printf("ThermalZone    %3d\n",
463 			       sizeof(struct acpi_object_thermal_zone));
464 		acpi_os_printf("RegionField    %3d\n",
465 			       sizeof(struct acpi_object_region_field));
466 		acpi_os_printf("BankField      %3d\n",
467 			       sizeof(struct acpi_object_bank_field));
468 		acpi_os_printf("IndexField     %3d\n",
469 			       sizeof(struct acpi_object_index_field));
470 		acpi_os_printf("Reference      %3d\n",
471 			       sizeof(struct acpi_object_reference));
472 		acpi_os_printf("Notify         %3d\n",
473 			       sizeof(struct acpi_object_notify_handler));
474 		acpi_os_printf("AddressSpace   %3d\n",
475 			       sizeof(struct acpi_object_addr_handler));
476 		acpi_os_printf("Extra          %3d\n",
477 			       sizeof(struct acpi_object_extra));
478 		acpi_os_printf("Data           %3d\n",
479 			       sizeof(struct acpi_object_data));
480 
481 		acpi_os_printf("\n");
482 
483 		acpi_os_printf("ParseObject    %3d\n",
484 			       sizeof(struct acpi_parse_obj_common));
485 		acpi_os_printf("ParseObjectNamed %3d\n",
486 			       sizeof(struct acpi_parse_obj_named));
487 		acpi_os_printf("ParseObjectAsl %3d\n",
488 			       sizeof(struct acpi_parse_obj_asl));
489 		acpi_os_printf("OperandObject  %3d\n",
490 			       sizeof(union acpi_operand_object));
491 		acpi_os_printf("NamespaceNode  %3d\n",
492 			       sizeof(struct acpi_namespace_node));
493 		acpi_os_printf("AcpiObject     %3d\n",
494 			       sizeof(union acpi_object));
495 
496 		acpi_os_printf("\n");
497 
498 		acpi_os_printf("Generic State  %3d\n",
499 			       sizeof(union acpi_generic_state));
500 		acpi_os_printf("Common State   %3d\n",
501 			       sizeof(struct acpi_common_state));
502 		acpi_os_printf("Control State  %3d\n",
503 			       sizeof(struct acpi_control_state));
504 		acpi_os_printf("Update State   %3d\n",
505 			       sizeof(struct acpi_update_state));
506 		acpi_os_printf("Scope State    %3d\n",
507 			       sizeof(struct acpi_scope_state));
508 		acpi_os_printf("Parse Scope    %3d\n",
509 			       sizeof(struct acpi_pscope_state));
510 		acpi_os_printf("Package State  %3d\n",
511 			       sizeof(struct acpi_pkg_state));
512 		acpi_os_printf("Thread State   %3d\n",
513 			       sizeof(struct acpi_thread_state));
514 		acpi_os_printf("Result Values  %3d\n",
515 			       sizeof(struct acpi_result_values));
516 		acpi_os_printf("Notify Info    %3d\n",
517 			       sizeof(struct acpi_notify_info));
518 		break;
519 
520 	case CMD_STAT_STACK:
521 #if defined(ACPI_DEBUG_OUTPUT)
522 
523 		temp =
524 		    (u32)ACPI_PTR_DIFF(acpi_gbl_entry_stack_pointer,
525 				       acpi_gbl_lowest_stack_pointer);
526 
527 		acpi_os_printf("\nSubsystem Stack Usage:\n\n");
528 		acpi_os_printf("Entry Stack Pointer        %p\n",
529 			       acpi_gbl_entry_stack_pointer);
530 		acpi_os_printf("Lowest Stack Pointer       %p\n",
531 			       acpi_gbl_lowest_stack_pointer);
532 		acpi_os_printf("Stack Use                  %X (%u)\n", temp,
533 			       temp);
534 		acpi_os_printf("Deepest Procedure Nesting  %u\n",
535 			       acpi_gbl_deepest_nesting);
536 #endif
537 		break;
538 
539 	default:
540 
541 		break;
542 	}
543 
544 	acpi_os_printf("\n");
545 	return (AE_OK);
546 }
547