1 // SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 2 /******************************************************************************* 3 * 4 * Module Name: dbstats - Generation and display of ACPI table statistics 5 * 6 ******************************************************************************/ 7 8 #include <acpi/acpi.h> 9 #include "accommon.h" 10 #include "acdebug.h" 11 #include "acnamesp.h" 12 13 #define _COMPONENT ACPI_CA_DEBUGGER 14 ACPI_MODULE_NAME("dbstats") 15 16 /* Local prototypes */ 17 static void acpi_db_count_namespace_objects(void); 18 19 static void acpi_db_enumerate_object(union acpi_operand_object *obj_desc); 20 21 static acpi_status 22 acpi_db_classify_one_object(acpi_handle obj_handle, 23 u32 nesting_level, 24 void *context, void **return_value); 25 26 #if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE 27 static void acpi_db_list_info(struct acpi_memory_list *list); 28 #endif 29 30 /* 31 * Statistics subcommands 32 */ 33 static struct acpi_db_argument_info acpi_db_stat_types[] = { 34 {"ALLOCATIONS"}, 35 {"OBJECTS"}, 36 {"MEMORY"}, 37 {"MISC"}, 38 {"TABLES"}, 39 {"SIZES"}, 40 {"STACK"}, 41 {NULL} /* Must be null terminated */ 42 }; 43 44 #define CMD_STAT_ALLOCATIONS 0 45 #define CMD_STAT_OBJECTS 1 46 #define CMD_STAT_MEMORY 2 47 #define CMD_STAT_MISC 3 48 #define CMD_STAT_TABLES 4 49 #define CMD_STAT_SIZES 5 50 #define CMD_STAT_STACK 6 51 52 #if defined ACPI_DBG_TRACK_ALLOCATIONS || defined ACPI_USE_LOCAL_CACHE 53 /******************************************************************************* 54 * 55 * FUNCTION: acpi_db_list_info 56 * 57 * PARAMETERS: list - Memory list/cache to be displayed 58 * 59 * RETURN: None 60 * 61 * DESCRIPTION: Display information about the input memory list or cache. 62 * 63 ******************************************************************************/ 64 65 static void acpi_db_list_info(struct acpi_memory_list *list) 66 { 67 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 68 u32 outstanding; 69 #endif 70 71 acpi_os_printf("\n%s\n", list->list_name); 72 73 /* max_depth > 0 indicates a cache object */ 74 75 if (list->max_depth > 0) { 76 acpi_os_printf 77 (" Cache: [Depth MaxD Avail Size] " 78 "%8.2X %8.2X %8.2X %8.2X\n", list->current_depth, 79 list->max_depth, list->max_depth - list->current_depth, 80 (list->current_depth * list->object_size)); 81 } 82 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 83 if (list->max_depth > 0) { 84 acpi_os_printf 85 (" Cache: [Requests Hits Misses ObjSize] " 86 "%8.2X %8.2X %8.2X %8.2X\n", list->requests, list->hits, 87 list->requests - list->hits, list->object_size); 88 } 89 90 outstanding = acpi_db_get_cache_info(list); 91 92 if (list->object_size) { 93 acpi_os_printf 94 (" Mem: [Alloc Free Max CurSize Outstanding] " 95 "%8.2X %8.2X %8.2X %8.2X %8.2X\n", list->total_allocated, 96 list->total_freed, list->max_occupied, 97 outstanding * list->object_size, outstanding); 98 } else { 99 acpi_os_printf 100 (" Mem: [Alloc Free Max CurSize Outstanding Total] " 101 "%8.2X %8.2X %8.2X %8.2X %8.2X %8.2X\n", 102 list->total_allocated, list->total_freed, 103 list->max_occupied, list->current_total_size, outstanding, 104 list->total_size); 105 } 106 #endif 107 } 108 #endif 109 110 /******************************************************************************* 111 * 112 * FUNCTION: acpi_db_enumerate_object 113 * 114 * PARAMETERS: obj_desc - Object to be counted 115 * 116 * RETURN: None 117 * 118 * DESCRIPTION: Add this object to the global counts, by object type. 119 * Limited recursion handles subobjects and packages, and this 120 * is probably acceptable within the AML debugger only. 121 * 122 ******************************************************************************/ 123 124 static void acpi_db_enumerate_object(union acpi_operand_object *obj_desc) 125 { 126 u32 i; 127 128 if (!obj_desc) { 129 return; 130 } 131 132 /* Enumerate this object first */ 133 134 acpi_gbl_num_objects++; 135 136 if (obj_desc->common.type > ACPI_TYPE_NS_NODE_MAX) { 137 acpi_gbl_obj_type_count_misc++; 138 } else { 139 acpi_gbl_obj_type_count[obj_desc->common.type]++; 140 } 141 142 /* Count the sub-objects */ 143 144 switch (obj_desc->common.type) { 145 case ACPI_TYPE_PACKAGE: 146 147 for (i = 0; i < obj_desc->package.count; i++) { 148 acpi_db_enumerate_object(obj_desc->package.elements[i]); 149 } 150 break; 151 152 case ACPI_TYPE_DEVICE: 153 154 acpi_db_enumerate_object(obj_desc->device.notify_list[0]); 155 acpi_db_enumerate_object(obj_desc->device.notify_list[1]); 156 acpi_db_enumerate_object(obj_desc->device.handler); 157 break; 158 159 case ACPI_TYPE_BUFFER_FIELD: 160 161 if (acpi_ns_get_secondary_object(obj_desc)) { 162 acpi_gbl_obj_type_count[ACPI_TYPE_BUFFER_FIELD]++; 163 } 164 break; 165 166 case ACPI_TYPE_REGION: 167 168 acpi_gbl_obj_type_count[ACPI_TYPE_LOCAL_REGION_FIELD]++; 169 acpi_db_enumerate_object(obj_desc->region.handler); 170 break; 171 172 case ACPI_TYPE_POWER: 173 174 acpi_db_enumerate_object(obj_desc->power_resource. 175 notify_list[0]); 176 acpi_db_enumerate_object(obj_desc->power_resource. 177 notify_list[1]); 178 break; 179 180 case ACPI_TYPE_PROCESSOR: 181 182 acpi_db_enumerate_object(obj_desc->processor.notify_list[0]); 183 acpi_db_enumerate_object(obj_desc->processor.notify_list[1]); 184 acpi_db_enumerate_object(obj_desc->processor.handler); 185 break; 186 187 case ACPI_TYPE_THERMAL: 188 189 acpi_db_enumerate_object(obj_desc->thermal_zone.notify_list[0]); 190 acpi_db_enumerate_object(obj_desc->thermal_zone.notify_list[1]); 191 acpi_db_enumerate_object(obj_desc->thermal_zone.handler); 192 break; 193 194 default: 195 196 break; 197 } 198 } 199 200 /******************************************************************************* 201 * 202 * FUNCTION: acpi_db_classify_one_object 203 * 204 * PARAMETERS: Callback for walk_namespace 205 * 206 * RETURN: Status 207 * 208 * DESCRIPTION: Enumerate both the object descriptor (including subobjects) and 209 * the parent namespace node. 210 * 211 ******************************************************************************/ 212 213 static acpi_status 214 acpi_db_classify_one_object(acpi_handle obj_handle, 215 u32 nesting_level, 216 void *context, void **return_value) 217 { 218 struct acpi_namespace_node *node; 219 union acpi_operand_object *obj_desc; 220 u32 type; 221 222 acpi_gbl_num_nodes++; 223 224 node = (struct acpi_namespace_node *)obj_handle; 225 obj_desc = acpi_ns_get_attached_object(node); 226 227 acpi_db_enumerate_object(obj_desc); 228 229 type = node->type; 230 if (type > ACPI_TYPE_NS_NODE_MAX) { 231 acpi_gbl_node_type_count_misc++; 232 } else { 233 acpi_gbl_node_type_count[type]++; 234 } 235 236 return (AE_OK); 237 238 #ifdef ACPI_FUTURE_IMPLEMENTATION 239 240 /* TBD: These need to be counted during the initial parsing phase */ 241 242 if (acpi_ps_is_named_op(op->opcode)) { 243 num_nodes++; 244 } 245 246 if (is_method) { 247 num_method_elements++; 248 } 249 250 num_grammar_elements++; 251 op = acpi_ps_get_depth_next(root, op); 252 253 size_of_parse_tree = (num_grammar_elements - num_method_elements) * 254 (u32)sizeof(union acpi_parse_object); 255 size_of_method_trees = 256 num_method_elements * (u32)sizeof(union acpi_parse_object); 257 size_of_node_entries = 258 num_nodes * (u32)sizeof(struct acpi_namespace_node); 259 size_of_acpi_objects = 260 num_nodes * (u32)sizeof(union acpi_operand_object); 261 #endif 262 } 263 264 /******************************************************************************* 265 * 266 * FUNCTION: acpi_db_count_namespace_objects 267 * 268 * PARAMETERS: None 269 * 270 * RETURN: None 271 * 272 * DESCRIPTION: Count and classify the entire namespace, including all 273 * namespace nodes and attached objects. 274 * 275 ******************************************************************************/ 276 277 static void acpi_db_count_namespace_objects(void) 278 { 279 u32 i; 280 281 acpi_gbl_num_nodes = 0; 282 acpi_gbl_num_objects = 0; 283 284 acpi_gbl_obj_type_count_misc = 0; 285 for (i = 0; i < (ACPI_TYPE_NS_NODE_MAX - 1); i++) { 286 acpi_gbl_obj_type_count[i] = 0; 287 acpi_gbl_node_type_count[i] = 0; 288 } 289 290 (void)acpi_ns_walk_namespace(ACPI_TYPE_ANY, ACPI_ROOT_OBJECT, 291 ACPI_UINT32_MAX, FALSE, 292 acpi_db_classify_one_object, NULL, NULL, 293 NULL); 294 } 295 296 /******************************************************************************* 297 * 298 * FUNCTION: acpi_db_display_statistics 299 * 300 * PARAMETERS: type_arg - Subcommand 301 * 302 * RETURN: Status 303 * 304 * DESCRIPTION: Display various statistics 305 * 306 ******************************************************************************/ 307 308 acpi_status acpi_db_display_statistics(char *type_arg) 309 { 310 u32 i; 311 u32 temp; 312 313 acpi_ut_strupr(type_arg); 314 temp = acpi_db_match_argument(type_arg, acpi_db_stat_types); 315 if (temp == ACPI_TYPE_NOT_FOUND) { 316 acpi_os_printf("Invalid or unsupported argument\n"); 317 return (AE_OK); 318 } 319 320 switch (temp) { 321 case CMD_STAT_ALLOCATIONS: 322 323 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 324 acpi_ut_dump_allocation_info(); 325 #endif 326 break; 327 328 case CMD_STAT_TABLES: 329 330 acpi_os_printf("ACPI Table Information (not implemented):\n\n"); 331 break; 332 333 case CMD_STAT_OBJECTS: 334 335 acpi_db_count_namespace_objects(); 336 337 acpi_os_printf 338 ("\nObjects defined in the current namespace:\n\n"); 339 340 acpi_os_printf("%16.16s %10.10s %10.10s\n", 341 "ACPI_TYPE", "NODES", "OBJECTS"); 342 343 for (i = 0; i < ACPI_TYPE_NS_NODE_MAX; i++) { 344 acpi_os_printf("%16.16s % 10ld% 10ld\n", 345 acpi_ut_get_type_name(i), 346 acpi_gbl_node_type_count[i], 347 acpi_gbl_obj_type_count[i]); 348 } 349 350 acpi_os_printf("%16.16s % 10ld% 10ld\n", "Misc/Unknown", 351 acpi_gbl_node_type_count_misc, 352 acpi_gbl_obj_type_count_misc); 353 354 acpi_os_printf("%16.16s % 10ld% 10ld\n", "TOTALS:", 355 acpi_gbl_num_nodes, acpi_gbl_num_objects); 356 break; 357 358 case CMD_STAT_MEMORY: 359 360 #ifdef ACPI_DBG_TRACK_ALLOCATIONS 361 acpi_os_printf 362 ("\n----Object Statistics (all in hex)---------\n"); 363 364 acpi_db_list_info(acpi_gbl_global_list); 365 acpi_db_list_info(acpi_gbl_ns_node_list); 366 #endif 367 368 #ifdef ACPI_USE_LOCAL_CACHE 369 acpi_os_printf 370 ("\n----Cache Statistics (all in hex)---------\n"); 371 acpi_db_list_info(acpi_gbl_operand_cache); 372 acpi_db_list_info(acpi_gbl_ps_node_cache); 373 acpi_db_list_info(acpi_gbl_ps_node_ext_cache); 374 acpi_db_list_info(acpi_gbl_state_cache); 375 #endif 376 377 break; 378 379 case CMD_STAT_MISC: 380 381 acpi_os_printf("\nMiscellaneous Statistics:\n\n"); 382 acpi_os_printf("Calls to AcpiPsFind:.. ........% 7ld\n", 383 acpi_gbl_ps_find_count); 384 acpi_os_printf("Calls to AcpiNsLookup:..........% 7ld\n", 385 acpi_gbl_ns_lookup_count); 386 387 acpi_os_printf("\n"); 388 389 acpi_os_printf("Mutex usage:\n\n"); 390 for (i = 0; i < ACPI_NUM_MUTEX; i++) { 391 acpi_os_printf("%-28s: % 7ld\n", 392 acpi_ut_get_mutex_name(i), 393 acpi_gbl_mutex_info[i].use_count); 394 } 395 break; 396 397 case CMD_STAT_SIZES: 398 399 acpi_os_printf("\nInternal object sizes:\n\n"); 400 401 acpi_os_printf("Common %3d\n", 402 sizeof(struct acpi_object_common)); 403 acpi_os_printf("Number %3d\n", 404 sizeof(struct acpi_object_integer)); 405 acpi_os_printf("String %3d\n", 406 sizeof(struct acpi_object_string)); 407 acpi_os_printf("Buffer %3d\n", 408 sizeof(struct acpi_object_buffer)); 409 acpi_os_printf("Package %3d\n", 410 sizeof(struct acpi_object_package)); 411 acpi_os_printf("BufferField %3d\n", 412 sizeof(struct acpi_object_buffer_field)); 413 acpi_os_printf("Device %3d\n", 414 sizeof(struct acpi_object_device)); 415 acpi_os_printf("Event %3d\n", 416 sizeof(struct acpi_object_event)); 417 acpi_os_printf("Method %3d\n", 418 sizeof(struct acpi_object_method)); 419 acpi_os_printf("Mutex %3d\n", 420 sizeof(struct acpi_object_mutex)); 421 acpi_os_printf("Region %3d\n", 422 sizeof(struct acpi_object_region)); 423 acpi_os_printf("PowerResource %3d\n", 424 sizeof(struct acpi_object_power_resource)); 425 acpi_os_printf("Processor %3d\n", 426 sizeof(struct acpi_object_processor)); 427 acpi_os_printf("ThermalZone %3d\n", 428 sizeof(struct acpi_object_thermal_zone)); 429 acpi_os_printf("RegionField %3d\n", 430 sizeof(struct acpi_object_region_field)); 431 acpi_os_printf("BankField %3d\n", 432 sizeof(struct acpi_object_bank_field)); 433 acpi_os_printf("IndexField %3d\n", 434 sizeof(struct acpi_object_index_field)); 435 acpi_os_printf("Reference %3d\n", 436 sizeof(struct acpi_object_reference)); 437 acpi_os_printf("Notify %3d\n", 438 sizeof(struct acpi_object_notify_handler)); 439 acpi_os_printf("AddressSpace %3d\n", 440 sizeof(struct acpi_object_addr_handler)); 441 acpi_os_printf("Extra %3d\n", 442 sizeof(struct acpi_object_extra)); 443 acpi_os_printf("Data %3d\n", 444 sizeof(struct acpi_object_data)); 445 446 acpi_os_printf("\n"); 447 448 acpi_os_printf("ParseObject %3d\n", 449 sizeof(struct acpi_parse_obj_common)); 450 acpi_os_printf("ParseObjectNamed %3d\n", 451 sizeof(struct acpi_parse_obj_named)); 452 acpi_os_printf("ParseObjectAsl %3d\n", 453 sizeof(struct acpi_parse_obj_asl)); 454 acpi_os_printf("OperandObject %3d\n", 455 sizeof(union acpi_operand_object)); 456 acpi_os_printf("NamespaceNode %3d\n", 457 sizeof(struct acpi_namespace_node)); 458 acpi_os_printf("AcpiObject %3d\n", 459 sizeof(union acpi_object)); 460 461 acpi_os_printf("\n"); 462 463 acpi_os_printf("Generic State %3d\n", 464 sizeof(union acpi_generic_state)); 465 acpi_os_printf("Common State %3d\n", 466 sizeof(struct acpi_common_state)); 467 acpi_os_printf("Control State %3d\n", 468 sizeof(struct acpi_control_state)); 469 acpi_os_printf("Update State %3d\n", 470 sizeof(struct acpi_update_state)); 471 acpi_os_printf("Scope State %3d\n", 472 sizeof(struct acpi_scope_state)); 473 acpi_os_printf("Parse Scope %3d\n", 474 sizeof(struct acpi_pscope_state)); 475 acpi_os_printf("Package State %3d\n", 476 sizeof(struct acpi_pkg_state)); 477 acpi_os_printf("Thread State %3d\n", 478 sizeof(struct acpi_thread_state)); 479 acpi_os_printf("Result Values %3d\n", 480 sizeof(struct acpi_result_values)); 481 acpi_os_printf("Notify Info %3d\n", 482 sizeof(struct acpi_notify_info)); 483 break; 484 485 case CMD_STAT_STACK: 486 #if defined(ACPI_DEBUG_OUTPUT) 487 488 temp = 489 (u32)ACPI_PTR_DIFF(acpi_gbl_entry_stack_pointer, 490 acpi_gbl_lowest_stack_pointer); 491 492 acpi_os_printf("\nSubsystem Stack Usage:\n\n"); 493 acpi_os_printf("Entry Stack Pointer %p\n", 494 acpi_gbl_entry_stack_pointer); 495 acpi_os_printf("Lowest Stack Pointer %p\n", 496 acpi_gbl_lowest_stack_pointer); 497 acpi_os_printf("Stack Use %X (%u)\n", temp, 498 temp); 499 acpi_os_printf("Deepest Procedure Nesting %u\n", 500 acpi_gbl_deepest_nesting); 501 #endif 502 break; 503 504 default: 505 506 break; 507 } 508 509 acpi_os_printf("\n"); 510 return (AE_OK); 511 } 512