kernel/drivers/acpi/acpica/dbstats.c

   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 }