Free Electrons

Embedded Linux Experts

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
/*******************************************************************************
 *
 * Module Name: dbstats - Generation and display of ACPI table statistics
 *
 ******************************************************************************/

/*
 * Copyright (C) 2000 - 2016, Intel Corp.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 */

#include <acpi/acpi.h>
#include "accommon.h"
#include "acdebug.h"
#include "acnamesp.h"

#define _COMPONENT          ACPI_CA_DEBUGGER
ACPI_MODULE_NAME("dbstats")

/* Local prototypes */
static void acpi_db_count_namespace_objects(void);

static void acpi_db_enumerate_object(union acpi_operand_object *obj_desc);

static acpi_status
acpi_db_classify_one_object(acpi_handle obj_handle,
			    u32 nesting_level,
			    void *context, void **return_value);

#if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE
static void acpi_db_list_info(struct acpi_memory_list *list);
#endif

/*
 * Statistics subcommands
 */
static struct acpi_db_argument_info acpi_db_stat_types[] = {
	{"ALLOCATIONS"},
	{"OBJECTS"},
	{"MEMORY"},
	{"MISC"},
	{"TABLES"},
	{"SIZES"},
	{"STACK"},
	{NULL}			/* Must be null terminated */
};

#define CMD_STAT_ALLOCATIONS     0
#define CMD_STAT_OBJECTS         1
#define CMD_STAT_MEMORY          2
#define CMD_STAT_MISC            3
#define CMD_STAT_TABLES          4
#define CMD_STAT_SIZES           5
#define CMD_STAT_STACK           6

#if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE
/*******************************************************************************
 *
 * FUNCTION:    acpi_db_list_info
 *
 * PARAMETERS:  list            - Memory list/cache to be displayed
 *
 * RETURN:      None
 *
 * DESCRIPTION: Display information about the input memory list or cache.
 *
 ******************************************************************************/

static void acpi_db_list_info(struct acpi_memory_list *list)
{
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
	u32 outstanding;
#endif

	acpi_os_printf("\n%s\n", list->list_name);

	/* max_depth > 0 indicates a cache object */

	if (list->max_depth > 0) {
		acpi_os_printf
		    ("    Cache: [Depth    MaxD Avail  Size]                "
		     "%8.2X %8.2X %8.2X %8.2X\n", list->current_depth,
		     list->max_depth, list->max_depth - list->current_depth,
		     (list->current_depth * list->object_size));
	}
#ifdef ACPI_DBG_TRACK_ALLOCATIONS
	if (list->max_depth > 0) {
		acpi_os_printf
		    ("    Cache: [Requests Hits Misses ObjSize]             "
		     "%8.2X %8.2X %8.2X %8.2X\n", list->requests, list->hits,
		     list->requests - list->hits, list->object_size);
	}

	outstanding = acpi_db_get_cache_info(list);

	if (list->object_size) {
		acpi_os_printf
		    ("    Mem:   [Alloc    Free Max    CurSize Outstanding] "
		     "%8.2X %8.2X %8.2X %8.2X %8.2X\n", list->total_allocated,
		     list->total_freed, list->max_occupied,
		     outstanding * list->object_size, outstanding);
	} else {
		acpi_os_printf
		    ("    Mem:   [Alloc Free Max CurSize Outstanding Total] "
		     "%8.2X %8.2X %8.2X %8.2X %8.2X %8.2X\n",
		     list->total_allocated, list->total_freed,
		     list->max_occupied, list->current_total_size, outstanding,
		     list->total_size);
	}
#endif
}
#endif

/*******************************************************************************
 *
 * FUNCTION:    acpi_db_enumerate_object
 *
 * PARAMETERS:  obj_desc            - Object to be counted
 *
 * RETURN:      None
 *
 * DESCRIPTION: Add this object to the global counts, by object type.
 *              Limited recursion handles subobjects and packages, and this
 *              is probably acceptable within the AML debugger only.
 *
 ******************************************************************************/

static void acpi_db_enumerate_object(union acpi_operand_object *obj_desc)
{
	u32 i;

	if (!obj_desc) {
		return;
	}

	/* Enumerate this object first */

	acpi_gbl_num_objects++;

	if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) {
		acpi_gbl_obj_type_count_misc++;
	} else {
		acpi_gbl_obj_type_count[obj_desc->common.type]++;
	}

	/* Count the sub-objects */

	switch (obj_desc->common.type) {
	case ACPI_TYPE_PACKAGE:

		for (i = 0; i < obj_desc->package.count; i++) {
			acpi_db_enumerate_object(obj_desc->package.elements[i]);
		}
		break;

	case ACPI_TYPE_DEVICE:

		acpi_db_enumerate_object(obj_desc->device.notify_list[0]);
		acpi_db_enumerate_object(obj_desc->device.notify_list[1]);
		acpi_db_enumerate_object(obj_desc->device.handler);
		break;

	case ACPI_TYPE_BUFFER_FIELD:

		if (acpi_ns_get_secondary_object(obj_desc)) {
			acpi_gbl_obj_type_count[ACPI_TYPE_BUFFER_FIELD]++;
		}
		break;

	case ACPI_TYPE_REGION:

		acpi_gbl_obj_type_count[ACPI_TYPE_LOCAL_REGION_FIELD]++;
		acpi_db_enumerate_object(obj_desc->region.handler);
		break;

	case ACPI_TYPE_POWER:

		acpi_db_enumerate_object(obj_desc->power_resource.
					 notify_list[0]);
		acpi_db_enumerate_object(obj_desc->power_resource.
					 notify_list[1]);
		break;

	case ACPI_TYPE_PROCESSOR:

		acpi_db_enumerate_object(obj_desc->processor.notify_list[0]);
		acpi_db_enumerate_object(obj_desc->processor.notify_list[1]);
		acpi_db_enumerate_object(obj_desc->processor.handler);
		break;

	case ACPI_TYPE_THERMAL:

		acpi_db_enumerate_object(obj_desc->thermal_zone.notify_list[0]);
		acpi_db_enumerate_object(obj_desc->thermal_zone.notify_list[1]);
		acpi_db_enumerate_object(obj_desc->thermal_zone.handler);
		break;

	default:

		break;
	}
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_db_classify_one_object
 *
 * PARAMETERS:  Callback for walk_namespace
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Enumerate both the object descriptor (including subobjects) and
 *              the parent namespace node.
 *
 ******************************************************************************/

static acpi_status
acpi_db_classify_one_object(acpi_handle obj_handle,
			    u32 nesting_level,
			    void *context, void **return_value)
{
	struct acpi_namespace_node *node;
	union acpi_operand_object *obj_desc;
	u32 type;

	acpi_gbl_num_nodes++;

	node = (struct acpi_namespace_node *)obj_handle;
	obj_desc = acpi_ns_get_attached_object(node);

	acpi_db_enumerate_object(obj_desc);

	type = node->type;
	if (type > ACPI_TYPE_NS_NODE_MAX) {
		acpi_gbl_node_type_count_misc++;
	} else {
		acpi_gbl_node_type_count[type]++;
	}

	return (AE_OK);

#ifdef ACPI_FUTURE_IMPLEMENTATION

	/* TBD: These need to be counted during the initial parsing phase */

	if (acpi_ps_is_named_op(op->opcode)) {
		num_nodes++;
	}

	if (is_method) {
		num_method_elements++;
	}

	num_grammar_elements++;
	op = acpi_ps_get_depth_next(root, op);

	size_of_parse_tree = (num_grammar_elements - num_method_elements) *
	    (u32)sizeof(union acpi_parse_object);
	size_of_method_trees =
	    num_method_elements * (u32)sizeof(union acpi_parse_object);
	size_of_node_entries =
	    num_nodes * (u32)sizeof(struct acpi_namespace_node);
	size_of_acpi_objects =
	    num_nodes * (u32)sizeof(union acpi_operand_object);
#endif
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_db_count_namespace_objects
 *
 * PARAMETERS:  None
 *
 * RETURN:      None
 *
 * DESCRIPTION: Count and classify the entire namespace, including all
 *              namespace nodes and attached objects.
 *
 ******************************************************************************/

static void acpi_db_count_namespace_objects(void)
{
	u32 i;

	acpi_gbl_num_nodes = 0;
	acpi_gbl_num_objects = 0;

	acpi_gbl_obj_type_count_misc = 0;
	for (i = 0; i < (ACPI_TYPE_NS_NODE_MAX - 1); i++) {
		acpi_gbl_obj_type_count[i] = 0;
		acpi_gbl_node_type_count[i] = 0;
	}

	(void)acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT,
				     ACPI_UINT32_MAX, FALSE,
				     acpi_db_classify_one_object, NULL, NULL,
				     NULL);
}

/*******************************************************************************
 *
 * FUNCTION:    acpi_db_display_statistics
 *
 * PARAMETERS:  type_arg        - Subcommand
 *
 * RETURN:      Status
 *
 * DESCRIPTION: Display various statistics
 *
 ******************************************************************************/

acpi_status acpi_db_display_statistics(char *type_arg)
{
	u32 i;
	u32 temp;

	acpi_ut_strupr(type_arg);
	temp = acpi_db_match_argument(type_arg, acpi_db_stat_types);
	if (temp == ACPI_TYPE_NOT_FOUND) {
		acpi_os_printf("Invalid or unsupported argument\n");
		return (AE_OK);
	}

	switch (temp) {
	case CMD_STAT_ALLOCATIONS:

#ifdef ACPI_DBG_TRACK_ALLOCATIONS
		acpi_ut_dump_allocation_info();
#endif
		break;

	case CMD_STAT_TABLES:

		acpi_os_printf("ACPI Table Information (not implemented):\n\n");
		break;

	case CMD_STAT_OBJECTS:

		acpi_db_count_namespace_objects();

		acpi_os_printf
		    ("\nObjects defined in the current namespace:\n\n");

		acpi_os_printf("%16.16s %10.10s %10.10s\n",
			       "ACPI_TYPE", "NODES", "OBJECTS");

		for (i = 0; i < ACPI_TYPE_NS_NODE_MAX; i++) {
			acpi_os_printf("%16.16s % 10ld% 10ld\n",
				       acpi_ut_get_type_name(i),
				       acpi_gbl_node_type_count[i],
				       acpi_gbl_obj_type_count[i]);
		}

		acpi_os_printf("%16.16s % 10ld% 10ld\n", "Misc/Unknown",
			       acpi_gbl_node_type_count_misc,
			       acpi_gbl_obj_type_count_misc);

		acpi_os_printf("%16.16s % 10ld% 10ld\n", "TOTALS:",
			       acpi_gbl_num_nodes, acpi_gbl_num_objects);
		break;

	case CMD_STAT_MEMORY:

#ifdef ACPI_DBG_TRACK_ALLOCATIONS
		acpi_os_printf
		    ("\n----Object Statistics (all in hex)---------\n");

		acpi_db_list_info(acpi_gbl_global_list);
		acpi_db_list_info(acpi_gbl_ns_node_list);
#endif

#ifdef ACPI_USE_LOCAL_CACHE
		acpi_os_printf
		    ("\n----Cache Statistics (all in hex)---------\n");
		acpi_db_list_info(acpi_gbl_operand_cache);
		acpi_db_list_info(acpi_gbl_ps_node_cache);
		acpi_db_list_info(acpi_gbl_ps_node_ext_cache);
		acpi_db_list_info(acpi_gbl_state_cache);
#endif

		break;

	case CMD_STAT_MISC:

		acpi_os_printf("\nMiscellaneous Statistics:\n\n");
		acpi_os_printf("Calls to AcpiPsFind:.. ........% 7ld\n",
			       acpi_gbl_ps_find_count);
		acpi_os_printf("Calls to AcpiNsLookup:..........% 7ld\n",
			       acpi_gbl_ns_lookup_count);

		acpi_os_printf("\n");

		acpi_os_printf("Mutex usage:\n\n");
		for (i = 0; i < ACPI_NUM_MUTEX; i++) {
			acpi_os_printf("%-28s:     % 7ld\n",
				       acpi_ut_get_mutex_name(i),
				       acpi_gbl_mutex_info[i].use_count);
		}
		break;

	case CMD_STAT_SIZES:

		acpi_os_printf("\nInternal object sizes:\n\n");

		acpi_os_printf("Common         %3d\n",
			       sizeof(struct acpi_object_common));
		acpi_os_printf("Number         %3d\n",
			       sizeof(struct acpi_object_integer));
		acpi_os_printf("String         %3d\n",
			       sizeof(struct acpi_object_string));
		acpi_os_printf("Buffer         %3d\n",
			       sizeof(struct acpi_object_buffer));
		acpi_os_printf("Package        %3d\n",
			       sizeof(struct acpi_object_package));
		acpi_os_printf("BufferField    %3d\n",
			       sizeof(struct acpi_object_buffer_field));
		acpi_os_printf("Device         %3d\n",
			       sizeof(struct acpi_object_device));
		acpi_os_printf("Event          %3d\n",
			       sizeof(struct acpi_object_event));
		acpi_os_printf("Method         %3d\n",
			       sizeof(struct acpi_object_method));
		acpi_os_printf("Mutex          %3d\n",
			       sizeof(struct acpi_object_mutex));
		acpi_os_printf("Region         %3d\n",
			       sizeof(struct acpi_object_region));
		acpi_os_printf("PowerResource  %3d\n",
			       sizeof(struct acpi_object_power_resource));
		acpi_os_printf("Processor      %3d\n",
			       sizeof(struct acpi_object_processor));
		acpi_os_printf("ThermalZone    %3d\n",
			       sizeof(struct acpi_object_thermal_zone));
		acpi_os_printf("RegionField    %3d\n",
			       sizeof(struct acpi_object_region_field));
		acpi_os_printf("BankField      %3d\n",
			       sizeof(struct acpi_object_bank_field));
		acpi_os_printf("IndexField     %3d\n",
			       sizeof(struct acpi_object_index_field));
		acpi_os_printf("Reference      %3d\n",
			       sizeof(struct acpi_object_reference));
		acpi_os_printf("Notify         %3d\n",
			       sizeof(struct acpi_object_notify_handler));
		acpi_os_printf("AddressSpace   %3d\n",
			       sizeof(struct acpi_object_addr_handler));
		acpi_os_printf("Extra          %3d\n",
			       sizeof(struct acpi_object_extra));
		acpi_os_printf("Data           %3d\n",
			       sizeof(struct acpi_object_data));

		acpi_os_printf("\n");

		acpi_os_printf("ParseObject    %3d\n",
			       sizeof(struct acpi_parse_obj_common));
		acpi_os_printf("ParseObjectNamed %3d\n",
			       sizeof(struct acpi_parse_obj_named));
		acpi_os_printf("ParseObjectAsl %3d\n",
			       sizeof(struct acpi_parse_obj_asl));
		acpi_os_printf("OperandObject  %3d\n",
			       sizeof(union acpi_operand_object));
		acpi_os_printf("NamespaceNode  %3d\n",
			       sizeof(struct acpi_namespace_node));
		acpi_os_printf("AcpiObject     %3d\n",
			       sizeof(union acpi_object));

		acpi_os_printf("\n");

		acpi_os_printf("Generic State  %3d\n",
			       sizeof(union acpi_generic_state));
		acpi_os_printf("Common State   %3d\n",
			       sizeof(struct acpi_common_state));
		acpi_os_printf("Control State  %3d\n",
			       sizeof(struct acpi_control_state));
		acpi_os_printf("Update State   %3d\n",
			       sizeof(struct acpi_update_state));
		acpi_os_printf("Scope State    %3d\n",
			       sizeof(struct acpi_scope_state));
		acpi_os_printf("Parse Scope    %3d\n",
			       sizeof(struct acpi_pscope_state));
		acpi_os_printf("Package State  %3d\n",
			       sizeof(struct acpi_pkg_state));
		acpi_os_printf("Thread State   %3d\n",
			       sizeof(struct acpi_thread_state));
		acpi_os_printf("Result Values  %3d\n",
			       sizeof(struct acpi_result_values));
		acpi_os_printf("Notify Info    %3d\n",
			       sizeof(struct acpi_notify_info));
		break;

	case CMD_STAT_STACK:
#if defined(ACPI_DEBUG_OUTPUT)

		temp =
		    (u32)ACPI_PTR_DIFF(acpi_gbl_entry_stack_pointer,
				       acpi_gbl_lowest_stack_pointer);

		acpi_os_printf("\nSubsystem Stack Usage:\n\n");
		acpi_os_printf("Entry Stack Pointer        %p\n",
			       acpi_gbl_entry_stack_pointer);
		acpi_os_printf("Lowest Stack Pointer       %p\n",
			       acpi_gbl_lowest_stack_pointer);
		acpi_os_printf("Stack Use                  %X (%u)\n", temp,
			       temp);
		acpi_os_printf("Deepest Procedure Nesting  %u\n",
			       acpi_gbl_deepest_nesting);
#endif
		break;

	default:

		break;
	}

	acpi_os_printf("\n");
	return (AE_OK);
}