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