1 /* 2 * Copyright (c) 2000-2020 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 /* 29 * @OSF_COPYRIGHT@ 30 */ 31 /* 32 * Mach Operating System 33 * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University 34 * All Rights Reserved. 35 * 36 * Permission to use, copy, modify and distribute this software and its 37 * documentation is hereby granted, provided that both the copyright 38 * notice and this permission notice appear in all copies of the 39 * software, derivative works or modified versions, and any portions 40 * thereof, and that both notices appear in supporting documentation. 41 * 42 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 43 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 44 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 45 * 46 * Carnegie Mellon requests users of this software to return to 47 * 48 * Software Distribution Coordinator or [email protected] 49 * School of Computer Science 50 * Carnegie Mellon University 51 * Pittsburgh PA 15213-3890 52 * 53 * any improvements or extensions that they make and grant Carnegie Mellon 54 * the rights to redistribute these changes. 55 */ 56 /* 57 */ 58 /* 59 * File: mach/vm_statistics.h 60 * Author: Avadis Tevanian, Jr., Michael Wayne Young, David Golub 61 * 62 * Virtual memory statistics structure. 63 * 64 */ 65 66 #ifndef _MACH_VM_STATISTICS_H_ 67 #define _MACH_VM_STATISTICS_H_ 68 69 #include <sys/cdefs.h> 70 71 __BEGIN_DECLS 72 73 #include <mach/machine/vm_types.h> 74 #include <mach/machine/kern_return.h> 75 76 /* 77 * vm_statistics 78 * 79 * History: 80 * rev0 - original structure. 81 * rev1 - added purgable info (purgable_count and purges). 82 * rev2 - added speculative_count. 83 * 84 * Note: you cannot add any new fields to this structure. Add them below in 85 * vm_statistics64. 86 */ 87 88 struct vm_statistics { 89 natural_t free_count; /* # of pages free */ 90 natural_t active_count; /* # of pages active */ 91 natural_t inactive_count; /* # of pages inactive */ 92 natural_t wire_count; /* # of pages wired down */ 93 natural_t zero_fill_count; /* # of zero fill pages */ 94 natural_t reactivations; /* # of pages reactivated */ 95 natural_t pageins; /* # of pageins */ 96 natural_t pageouts; /* # of pageouts */ 97 natural_t faults; /* # of faults */ 98 natural_t cow_faults; /* # of copy-on-writes */ 99 natural_t lookups; /* object cache lookups */ 100 natural_t hits; /* object cache hits */ 101 102 /* added for rev1 */ 103 natural_t purgeable_count; /* # of pages purgeable */ 104 natural_t purges; /* # of pages purged */ 105 106 /* added for rev2 */ 107 /* 108 * NB: speculative pages are already accounted for in "free_count", 109 * so "speculative_count" is the number of "free" pages that are 110 * used to hold data that was read speculatively from disk but 111 * haven't actually been used by anyone so far. 112 */ 113 natural_t speculative_count; /* # of pages speculative */ 114 }; 115 116 /* Used by all architectures */ 117 typedef struct vm_statistics *vm_statistics_t; 118 typedef struct vm_statistics vm_statistics_data_t; 119 120 /* 121 * vm_statistics64 122 * 123 * History: 124 * rev0 - original structure. 125 * rev1 - added purgable info (purgable_count and purges). 126 * rev2 - added speculative_count. 127 * ---- 128 * rev3 - changed name to vm_statistics64. 129 * changed some fields in structure to 64-bit on 130 * arm, i386 and x86_64 architectures. 131 * rev4 - require 64-bit alignment for efficient access 132 * in the kernel. No change to reported data. 133 * 134 */ 135 136 struct vm_statistics64 { 137 natural_t free_count; /* # of pages free */ 138 natural_t active_count; /* # of pages active */ 139 natural_t inactive_count; /* # of pages inactive */ 140 natural_t wire_count; /* # of pages wired down */ 141 uint64_t zero_fill_count; /* # of zero fill pages */ 142 uint64_t reactivations; /* # of pages reactivated */ 143 uint64_t pageins; /* # of pageins */ 144 uint64_t pageouts; /* # of pageouts */ 145 uint64_t faults; /* # of faults */ 146 uint64_t cow_faults; /* # of copy-on-writes */ 147 uint64_t lookups; /* object cache lookups */ 148 uint64_t hits; /* object cache hits */ 149 uint64_t purges; /* # of pages purged */ 150 natural_t purgeable_count; /* # of pages purgeable */ 151 /* 152 * NB: speculative pages are already accounted for in "free_count", 153 * so "speculative_count" is the number of "free" pages that are 154 * used to hold data that was read speculatively from disk but 155 * haven't actually been used by anyone so far. 156 */ 157 natural_t speculative_count; /* # of pages speculative */ 158 159 /* added for rev1 */ 160 uint64_t decompressions; /* # of pages decompressed */ 161 uint64_t compressions; /* # of pages compressed */ 162 uint64_t swapins; /* # of pages swapped in (via compression segments) */ 163 uint64_t swapouts; /* # of pages swapped out (via compression segments) */ 164 natural_t compressor_page_count; /* # of pages used by the compressed pager to hold all the compressed data */ 165 natural_t throttled_count; /* # of pages throttled */ 166 natural_t external_page_count; /* # of pages that are file-backed (non-swap) */ 167 natural_t internal_page_count; /* # of pages that are anonymous */ 168 uint64_t total_uncompressed_pages_in_compressor; /* # of pages (uncompressed) held within the compressor. */ 169 } __attribute__((aligned(8))); 170 171 typedef struct vm_statistics64 *vm_statistics64_t; 172 typedef struct vm_statistics64 vm_statistics64_data_t; 173 174 kern_return_t vm_stats(void *info, unsigned int *count); 175 176 /* 177 * VM_STATISTICS_TRUNCATE_TO_32_BIT 178 * 179 * This is used by host_statistics() to truncate and peg the 64-bit in-kernel values from 180 * vm_statistics64 to the 32-bit values of the older structure above (vm_statistics). 181 */ 182 #define VM_STATISTICS_TRUNCATE_TO_32_BIT(value) ((uint32_t)(((value) > UINT32_MAX ) ? UINT32_MAX : (value))) 183 184 /* 185 * vm_extmod_statistics 186 * 187 * Structure to record modifications to a task by an 188 * external agent. 189 * 190 * History: 191 * rev0 - original structure. 192 */ 193 194 struct vm_extmod_statistics { 195 int64_t task_for_pid_count; /* # of times task port was looked up */ 196 int64_t task_for_pid_caller_count; /* # of times this task called task_for_pid */ 197 int64_t thread_creation_count; /* # of threads created in task */ 198 int64_t thread_creation_caller_count; /* # of threads created by task */ 199 int64_t thread_set_state_count; /* # of register state sets in task */ 200 int64_t thread_set_state_caller_count; /* # of register state sets by task */ 201 } __attribute__((aligned(8))); 202 203 typedef struct vm_extmod_statistics *vm_extmod_statistics_t; 204 typedef struct vm_extmod_statistics vm_extmod_statistics_data_t; 205 206 typedef struct vm_purgeable_stat { 207 uint64_t count; 208 uint64_t size; 209 }vm_purgeable_stat_t; 210 211 struct vm_purgeable_info { 212 vm_purgeable_stat_t fifo_data[8]; 213 vm_purgeable_stat_t obsolete_data; 214 vm_purgeable_stat_t lifo_data[8]; 215 }; 216 217 typedef struct vm_purgeable_info *vm_purgeable_info_t; 218 219 /* included for the vm_map_page_query call */ 220 221 #define VM_PAGE_QUERY_PAGE_PRESENT 0x1 222 #define VM_PAGE_QUERY_PAGE_FICTITIOUS 0x2 223 #define VM_PAGE_QUERY_PAGE_REF 0x4 224 #define VM_PAGE_QUERY_PAGE_DIRTY 0x8 225 #define VM_PAGE_QUERY_PAGE_PAGED_OUT 0x10 226 #define VM_PAGE_QUERY_PAGE_COPIED 0x20 227 #define VM_PAGE_QUERY_PAGE_SPECULATIVE 0x40 228 #define VM_PAGE_QUERY_PAGE_EXTERNAL 0x80 229 #define VM_PAGE_QUERY_PAGE_CS_VALIDATED 0x100 230 #define VM_PAGE_QUERY_PAGE_CS_TAINTED 0x200 231 #define VM_PAGE_QUERY_PAGE_CS_NX 0x400 232 #define VM_PAGE_QUERY_PAGE_REUSABLE 0x800 233 234 /* 235 * VM allocation flags: 236 * 237 * VM_FLAGS_FIXED 238 * (really the absence of VM_FLAGS_ANYWHERE) 239 * Allocate new VM region at the specified virtual address, if possible. 240 * 241 * VM_FLAGS_ANYWHERE 242 * Allocate new VM region anywhere it would fit in the address space. 243 * 244 * VM_FLAGS_PURGABLE 245 * Create a purgable VM object for that new VM region. 246 * 247 * VM_FLAGS_4GB_CHUNK 248 * The new VM region will be chunked up into 4GB sized pieces. 249 * 250 * VM_FLAGS_NO_PMAP_CHECK 251 * (for DEBUG kernel config only, ignored for other configs) 252 * Do not check that there is no stale pmap mapping for the new VM region. 253 * This is useful for kernel memory allocations at bootstrap when building 254 * the initial kernel address space while some memory is already in use. 255 * 256 * VM_FLAGS_OVERWRITE 257 * The new VM region can replace existing VM regions if necessary 258 * (to be used in combination with VM_FLAGS_FIXED). 259 * 260 * VM_FLAGS_NO_CACHE 261 * Pages brought in to this VM region are placed on the speculative 262 * queue instead of the active queue. In other words, they are not 263 * cached so that they will be stolen first if memory runs low. 264 */ 265 266 #define VM_FLAGS_FIXED 0x00000000 267 #define VM_FLAGS_ANYWHERE 0x00000001 268 #define VM_FLAGS_PURGABLE 0x00000002 269 #define VM_FLAGS_4GB_CHUNK 0x00000004 270 #define VM_FLAGS_RANDOM_ADDR 0x00000008 271 #define VM_FLAGS_NO_CACHE 0x00000010 272 #define VM_FLAGS_RESILIENT_CODESIGN 0x00000020 273 #define VM_FLAGS_RESILIENT_MEDIA 0x00000040 274 #define VM_FLAGS_PERMANENT 0x00000080 275 #define VM_FLAGS_TPRO 0x00001000 276 #define VM_FLAGS_OVERWRITE 0x00004000 /* delete any existing mappings first */ 277 /* 278 * VM_FLAGS_SUPERPAGE_MASK 279 * 3 bits that specify whether large pages should be used instead of 280 * base pages (!=0), as well as the requested page size. 281 */ 282 #define VM_FLAGS_SUPERPAGE_MASK 0x00070000 /* bits 0x10000, 0x20000, 0x40000 */ 283 #define VM_FLAGS_RETURN_DATA_ADDR 0x00100000 /* Return address of target data, rather than base of page */ 284 #define VM_FLAGS_RETURN_4K_DATA_ADDR 0x00800000 /* Return 4K aligned address of target data */ 285 #define VM_FLAGS_ALIAS_MASK 0xFF000000 286 #define VM_GET_FLAGS_ALIAS(flags, alias) \ 287 (alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24 288 #if !XNU_KERNEL_PRIVATE 289 #define VM_SET_FLAGS_ALIAS(flags, alias) \ 290 (flags) = (((flags) & ~VM_FLAGS_ALIAS_MASK) | \ 291 (((alias) & ~VM_FLAGS_ALIAS_MASK) << 24)) 292 #endif /* !XNU_KERNEL_PRIVATE */ 293 294 /* These are the flags that we accept from user-space */ 295 #define VM_FLAGS_USER_ALLOCATE (VM_FLAGS_FIXED | \ 296 VM_FLAGS_ANYWHERE | \ 297 VM_FLAGS_PURGABLE | \ 298 VM_FLAGS_4GB_CHUNK | \ 299 VM_FLAGS_RANDOM_ADDR | \ 300 VM_FLAGS_NO_CACHE | \ 301 VM_FLAGS_PERMANENT | \ 302 VM_FLAGS_OVERWRITE | \ 303 VM_FLAGS_SUPERPAGE_MASK | \ 304 VM_FLAGS_TPRO | \ 305 VM_FLAGS_ALIAS_MASK) 306 #define VM_FLAGS_USER_MAP (VM_FLAGS_USER_ALLOCATE | \ 307 VM_FLAGS_RETURN_4K_DATA_ADDR | \ 308 VM_FLAGS_RETURN_DATA_ADDR) 309 #define VM_FLAGS_USER_REMAP (VM_FLAGS_FIXED | \ 310 VM_FLAGS_ANYWHERE | \ 311 VM_FLAGS_RANDOM_ADDR | \ 312 VM_FLAGS_OVERWRITE| \ 313 VM_FLAGS_RETURN_DATA_ADDR | \ 314 VM_FLAGS_RESILIENT_CODESIGN | \ 315 VM_FLAGS_RESILIENT_MEDIA) 316 317 #define VM_FLAGS_SUPERPAGE_SHIFT 16 318 #define SUPERPAGE_NONE 0 /* no superpages, if all bits are 0 */ 319 #define SUPERPAGE_SIZE_ANY 1 320 #define VM_FLAGS_SUPERPAGE_NONE (SUPERPAGE_NONE << VM_FLAGS_SUPERPAGE_SHIFT) 321 #define VM_FLAGS_SUPERPAGE_SIZE_ANY (SUPERPAGE_SIZE_ANY << VM_FLAGS_SUPERPAGE_SHIFT) 322 #if defined(__x86_64__) || !defined(KERNEL) 323 #define SUPERPAGE_SIZE_2MB 2 324 #define VM_FLAGS_SUPERPAGE_SIZE_2MB (SUPERPAGE_SIZE_2MB<<VM_FLAGS_SUPERPAGE_SHIFT) 325 #endif 326 327 /* 328 * EXC_GUARD definitions for virtual memory. 329 */ 330 #define GUARD_TYPE_VIRT_MEMORY 0x5 331 332 /* Reasons for exception for virtual memory */ 333 enum virtual_memory_guard_exception_codes { 334 kGUARD_EXC_DEALLOC_GAP = 1u << 0, 335 kGUARD_EXC_RECLAIM_COPYIO_FAILURE = 1u << 1, 336 kGUARD_EXC_RECLAIM_INDEX_FAILURE = 1u << 2, 337 kGUARD_EXC_RECLAIM_DEALLOCATE_FAILURE = 1u << 3, 338 }; 339 340 #ifdef XNU_KERNEL_PRIVATE 341 342 /*! 343 * @enum vm_map_range_id_t 344 * 345 * @brief 346 * Enumerate a particular vm_map range. 347 * 348 * @discussion 349 * The kernel_map VA has been split into the following ranges. Userspace 350 * VA for any given process can also optionally be split by the following user 351 * ranges. 352 * 353 * @const KMEM_RANGE_ID_NONE 354 * This range is only used for early initialization. 355 * 356 * @const KMEM_RANGE_ID_PTR_* 357 * Range containing general purpose allocations from kalloc, etc that 358 * contain pointers. 359 * 360 * @const KMEM_RANGE_ID_DATA 361 * Range containing allocations that are bags of bytes and contain no 362 * pointers. 363 * 364 * @const UMEM_RANGE_ID_DEFAULT 365 * Range containing default allocation calls 366 * 367 * @const UMEM_RANGE_ID_HEAP 368 * Range containing heap allocation calls 369 */ 370 __enum_decl(vm_map_range_id_t, uint32_t, { 371 KMEM_RANGE_ID_NONE, 372 KMEM_RANGE_ID_PTR_0, 373 KMEM_RANGE_ID_PTR_1, 374 KMEM_RANGE_ID_DATA, 375 KMEM_RANGE_ID_MAX = KMEM_RANGE_ID_DATA, 376 UMEM_RANGE_ID_DEFAULT = 0, 377 UMEM_RANGE_ID_HEAP, 378 UMEM_RANGE_ID_MAX = UMEM_RANGE_ID_HEAP, 379 380 #define KMEM_RANGE_COUNT (KMEM_RANGE_ID_MAX + 1) 381 #define UMEM_RANGE_COUNT (UMEM_RANGE_ID_MAX + 1) 382 }); 383 384 typedef vm_map_range_id_t kmem_range_id_t; 385 386 #define kmem_log2down(mask) (31 - __builtin_clz(mask)) 387 #define KMEM_RANGE_BITS kmem_log2down(KMEM_RANGE_ID_MAX * 2) 388 389 #if CONFIG_MAP_RANGES 390 /* 391 * These should only be used for the kernel_map in contexts which 392 * are known to be allocating/mapping in KMEM_RANGE_ID_DATA. They should not 393 * be used when other ranges may be the target. 394 */ 395 #define VM_MAP_RANGE_ID(map, tag) \ 396 ((map == kernel_map) ? KMEM_RANGE_ID_DATA : \ 397 vm_map_get_user_range_id(map, tag)) 398 399 #define VM_MAP_REMAP_RANGE_ID(src_map, dst_map, addr, len) \ 400 (dst_map == kernel_map ? KMEM_RANGE_ID_DATA : \ 401 vm_map_get_user_range_id(src_map, addr, len)) 402 #else 403 #define VM_MAP_RANGE_ID(map, tag) (KMEM_RANGE_ID_DATA) 404 #define VM_MAP_REMAP_RANGE_ID(src_map, dst_map, addr, len) (KMEM_RANGE_ID_DATA) 405 #endif /* CONFIG_MAP_RANGES */ 406 407 typedef struct { 408 unsigned int 409 vmkf_permanent:1, /* mapping can NEVER be unmapped */ 410 vmkf_already:1, /* OK if same mapping already exists */ 411 vmkf_beyond_max:1, /* map beyond the map's max offset */ 412 vmkf_no_pmap_check:1, /* do not check that pmap is empty */ 413 vmkf_map_jit:1, /* mark entry as JIT region */ 414 vmkf_iokit_acct:1, /* IOKit accounting */ 415 vmkf_keep_map_locked:1, /* keep map locked when returning from vm_map_enter() */ 416 vmkf_fourk:1, /* use fourk pager */ 417 vmkf_overwrite_immutable:1, /* can overwrite immutable mappings */ 418 vmkf_remap_prot_copy:1, /* vm_remap for VM_PROT_COPY */ 419 vmkf_cs_enforcement_override:1, /* override CS_ENFORCEMENT */ 420 vmkf_cs_enforcement:1, /* new value for CS_ENFORCEMENT */ 421 vmkf_nested_pmap:1, /* use a nested pmap */ 422 vmkf_no_copy_on_read:1, /* do not use copy_on_read */ 423 vmkf_copy_single_object:1, /* vm_map_copy only 1 VM object */ 424 vmkf_copy_pageable:1, /* vm_map_copy with pageable entries */ 425 vmkf_copy_same_map:1, /* vm_map_copy to remap in original map */ 426 vmkf_translated_allow_execute:1, /* allow execute in translated processes */ 427 428 /* 429 * Submap creation, altering vm_map_enter() only 430 */ 431 vmkf_submap:1, /* mapping a VM submap */ 432 vmkf_submap_atomic:1, /* keep entry atomic (no splitting/coalescing) */ 433 vmkf_submap_adjust:1, /* the submap needs to be adjusted */ 434 435 /* 436 * Flags altering the behavior of vm_map_locate_space() 437 */ 438 vmkf_32bit_map_va:1, /* allocate in low 32-bits range */ 439 vmkf_guard_before:1, /* guard page before the mapping */ 440 vmkf_last_free:1, /* find space from the end */ 441 vmkf_random_address:1, /* pick a random address */ 442 vmkf_range_id:KMEM_RANGE_BITS, /* kmem range to allocate in */ 443 444 __vmkf_unused:5; 445 } vm_map_kernel_flags_t; 446 447 #define VM_MAP_KERNEL_FLAGS_NONE \ 448 (vm_map_kernel_flags_t){ } 449 450 #define VM_MAP_KERNEL_FLAGS_PERMANENT \ 451 (vm_map_kernel_flags_t){ .vmkf_permanent = 1 } 452 453 #define VM_MAP_KERNEL_FLAGS_DATA \ 454 (vm_map_kernel_flags_t){ .vmkf_range_id = KMEM_RANGE_ID_DATA } 455 456 typedef struct { 457 unsigned int 458 vmnekf_ledger_tag:3, 459 vmnekf_ledger_no_footprint:1, 460 __vmnekf_unused:28; 461 } vm_named_entry_kernel_flags_t; 462 #define VM_NAMED_ENTRY_KERNEL_FLAGS_NONE (vm_named_entry_kernel_flags_t) { \ 463 .vmnekf_ledger_tag = 0, \ 464 .vmnekf_ledger_no_footprint = 0, \ 465 .__vmnekf_unused = 0 \ 466 } 467 468 #endif /* XNU_KERNEL_PRIVATE */ 469 470 /* current accounting postmark */ 471 #define __VM_LEDGER_ACCOUNTING_POSTMARK 2019032600 472 473 /* discrete values: */ 474 #define VM_LEDGER_TAG_NONE 0x00000000 475 #define VM_LEDGER_TAG_DEFAULT 0x00000001 476 #define VM_LEDGER_TAG_NETWORK 0x00000002 477 #define VM_LEDGER_TAG_MEDIA 0x00000003 478 #define VM_LEDGER_TAG_GRAPHICS 0x00000004 479 #define VM_LEDGER_TAG_NEURAL 0x00000005 480 #define VM_LEDGER_TAG_MAX 0x00000005 481 #define VM_LEDGER_TAG_UNCHANGED ((int)-1) 482 483 /* individual bits: */ 484 #define VM_LEDGER_FLAG_NO_FOOTPRINT (1 << 0) 485 #define VM_LEDGER_FLAG_NO_FOOTPRINT_FOR_DEBUG (1 << 1) 486 #define VM_LEDGER_FLAGS (VM_LEDGER_FLAG_NO_FOOTPRINT | VM_LEDGER_FLAG_NO_FOOTPRINT_FOR_DEBUG) 487 488 489 #define VM_MEMORY_MALLOC 1 490 #define VM_MEMORY_MALLOC_SMALL 2 491 #define VM_MEMORY_MALLOC_LARGE 3 492 #define VM_MEMORY_MALLOC_HUGE 4 493 #define VM_MEMORY_SBRK 5// uninteresting -- no one should call 494 #define VM_MEMORY_REALLOC 6 495 #define VM_MEMORY_MALLOC_TINY 7 496 #define VM_MEMORY_MALLOC_LARGE_REUSABLE 8 497 #define VM_MEMORY_MALLOC_LARGE_REUSED 9 498 499 #define VM_MEMORY_ANALYSIS_TOOL 10 500 501 #define VM_MEMORY_MALLOC_NANO 11 502 #define VM_MEMORY_MALLOC_MEDIUM 12 503 #define VM_MEMORY_MALLOC_PGUARD 13 // Will be removed 504 #define VM_MEMORY_MALLOC_PROB_GUARD 13 505 506 #define VM_MEMORY_MACH_MSG 20 507 #define VM_MEMORY_IOKIT 21 508 #define VM_MEMORY_STACK 30 509 #define VM_MEMORY_GUARD 31 510 #define VM_MEMORY_SHARED_PMAP 32 511 /* memory containing a dylib */ 512 #define VM_MEMORY_DYLIB 33 513 #define VM_MEMORY_OBJC_DISPATCHERS 34 514 515 /* Was a nested pmap (VM_MEMORY_SHARED_PMAP) which has now been unnested */ 516 #define VM_MEMORY_UNSHARED_PMAP 35 517 518 519 // Placeholders for now -- as we analyze the libraries and find how they 520 // use memory, we can make these labels more specific. 521 #define VM_MEMORY_APPKIT 40 522 #define VM_MEMORY_FOUNDATION 41 523 #define VM_MEMORY_COREGRAPHICS 42 524 #define VM_MEMORY_CORESERVICES 43 525 #define VM_MEMORY_CARBON VM_MEMORY_CORESERVICES 526 #define VM_MEMORY_JAVA 44 527 #define VM_MEMORY_COREDATA 45 528 #define VM_MEMORY_COREDATA_OBJECTIDS 46 529 #define VM_MEMORY_ATS 50 530 #define VM_MEMORY_LAYERKIT 51 531 #define VM_MEMORY_CGIMAGE 52 532 #define VM_MEMORY_TCMALLOC 53 533 534 /* private raster data (i.e. layers, some images, QGL allocator) */ 535 #define VM_MEMORY_COREGRAPHICS_DATA 54 536 537 /* shared image and font caches */ 538 #define VM_MEMORY_COREGRAPHICS_SHARED 55 539 540 /* Memory used for virtual framebuffers, shadowing buffers, etc... */ 541 #define VM_MEMORY_COREGRAPHICS_FRAMEBUFFERS 56 542 543 /* Window backing stores, custom shadow data, and compressed backing stores */ 544 #define VM_MEMORY_COREGRAPHICS_BACKINGSTORES 57 545 546 /* x-alloc'd memory */ 547 #define VM_MEMORY_COREGRAPHICS_XALLOC 58 548 549 /* catch-all for other uses, such as the read-only shared data page */ 550 #define VM_MEMORY_COREGRAPHICS_MISC VM_MEMORY_COREGRAPHICS 551 552 /* memory allocated by the dynamic loader for itself */ 553 #define VM_MEMORY_DYLD 60 554 /* malloc'd memory created by dyld */ 555 #define VM_MEMORY_DYLD_MALLOC 61 556 557 /* Used for sqlite page cache */ 558 #define VM_MEMORY_SQLITE 62 559 560 /* JavaScriptCore heaps */ 561 #define VM_MEMORY_JAVASCRIPT_CORE 63 562 #define VM_MEMORY_WEBASSEMBLY VM_MEMORY_JAVASCRIPT_CORE 563 /* memory allocated for the JIT */ 564 #define VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR 64 565 #define VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE 65 566 567 /* memory allocated for GLSL */ 568 #define VM_MEMORY_GLSL 66 569 570 /* memory allocated for OpenCL.framework */ 571 #define VM_MEMORY_OPENCL 67 572 573 /* memory allocated for QuartzCore.framework */ 574 #define VM_MEMORY_COREIMAGE 68 575 576 /* memory allocated for WebCore Purgeable Buffers */ 577 #define VM_MEMORY_WEBCORE_PURGEABLE_BUFFERS 69 578 579 /* ImageIO memory */ 580 #define VM_MEMORY_IMAGEIO 70 581 582 /* CoreProfile memory */ 583 #define VM_MEMORY_COREPROFILE 71 584 585 /* assetsd / MobileSlideShow memory */ 586 #define VM_MEMORY_ASSETSD 72 587 588 /* libsystem_kernel os_once_alloc */ 589 #define VM_MEMORY_OS_ALLOC_ONCE 73 590 591 /* libdispatch internal allocator */ 592 #define VM_MEMORY_LIBDISPATCH 74 593 594 /* Accelerate.framework image backing stores */ 595 #define VM_MEMORY_ACCELERATE 75 596 597 /* CoreUI image block data */ 598 #define VM_MEMORY_COREUI 76 599 600 /* CoreUI image file */ 601 #define VM_MEMORY_COREUIFILE 77 602 603 /* Genealogy buffers */ 604 #define VM_MEMORY_GENEALOGY 78 605 606 /* RawCamera VM allocated memory */ 607 #define VM_MEMORY_RAWCAMERA 79 608 609 /* corpse info for dead process */ 610 #define VM_MEMORY_CORPSEINFO 80 611 612 /* Apple System Logger (ASL) messages */ 613 #define VM_MEMORY_ASL 81 614 615 /* Swift runtime */ 616 #define VM_MEMORY_SWIFT_RUNTIME 82 617 618 /* Swift metadata */ 619 #define VM_MEMORY_SWIFT_METADATA 83 620 621 /* DHMM data */ 622 #define VM_MEMORY_DHMM 84 623 624 625 /* memory allocated by SceneKit.framework */ 626 #define VM_MEMORY_SCENEKIT 86 627 628 /* memory allocated by skywalk networking */ 629 #define VM_MEMORY_SKYWALK 87 630 631 #define VM_MEMORY_IOSURFACE 88 632 633 #define VM_MEMORY_LIBNETWORK 89 634 635 #define VM_MEMORY_AUDIO 90 636 637 #define VM_MEMORY_VIDEOBITSTREAM 91 638 639 /* memory allocated by CoreMedia */ 640 #define VM_MEMORY_CM_XPC 92 641 642 #define VM_MEMORY_CM_RPC 93 643 644 #define VM_MEMORY_CM_MEMORYPOOL 94 645 646 #define VM_MEMORY_CM_READCACHE 95 647 648 #define VM_MEMORY_CM_CRABS 96 649 650 /* memory allocated for QuickLookThumbnailing */ 651 #define VM_MEMORY_QUICKLOOK_THUMBNAILS 97 652 653 /* memory allocated by Accounts framework */ 654 #define VM_MEMORY_ACCOUNTS 98 655 656 /* memory allocated by Sanitizer runtime libraries */ 657 #define VM_MEMORY_SANITIZER 99 658 659 /* Differentiate memory needed by GPU drivers and frameworks from generic IOKit allocations */ 660 #define VM_MEMORY_IOACCELERATOR 100 661 662 /* memory allocated by CoreMedia for global image registration of frames */ 663 #define VM_MEMORY_CM_REGWARP 101 664 665 /* memory allocated by EmbeddedAcousticRecognition for speech decoder */ 666 #define VM_MEMORY_EAR_DECODER 102 667 668 /* CoreUI cached image data */ 669 #define VM_MEMORY_COREUI_CACHED_IMAGE_DATA 103 670 671 /* ColorSync is using mmap for read-only copies of ICC profile data */ 672 #define VM_MEMORY_COLORSYNC 104 673 674 /* backtrace info for simulated crashes */ 675 #define VM_MEMORY_BTINFO 105 676 677 /* Reserve 230-239 for Rosetta */ 678 #define VM_MEMORY_ROSETTA 230 679 #define VM_MEMORY_ROSETTA_THREAD_CONTEXT 231 680 #define VM_MEMORY_ROSETTA_INDIRECT_BRANCH_MAP 232 681 #define VM_MEMORY_ROSETTA_RETURN_STACK 233 682 #define VM_MEMORY_ROSETTA_EXECUTABLE_HEAP 234 683 #define VM_MEMORY_ROSETTA_USER_LDT 235 684 #define VM_MEMORY_ROSETTA_ARENA 236 685 #define VM_MEMORY_ROSETTA_10 239 686 687 /* Reserve 240-255 for application */ 688 #define VM_MEMORY_APPLICATION_SPECIFIC_1 240 689 #define VM_MEMORY_APPLICATION_SPECIFIC_16 255 690 691 #define VM_MEMORY_COUNT 256 692 693 #if !XNU_KERNEL_PRIVATE 694 #define VM_MAKE_TAG(tag) ((tag) << 24) 695 #endif /* XNU_KERNEL_PRIVATE */ 696 697 698 #if KERNEL_PRIVATE 699 700 /* kernel map tags */ 701 /* please add new definition strings to zprint */ 702 703 #define VM_KERN_MEMORY_NONE 0 704 705 #define VM_KERN_MEMORY_OSFMK 1 706 #define VM_KERN_MEMORY_BSD 2 707 #define VM_KERN_MEMORY_IOKIT 3 708 #define VM_KERN_MEMORY_LIBKERN 4 709 #define VM_KERN_MEMORY_OSKEXT 5 710 #define VM_KERN_MEMORY_KEXT 6 711 #define VM_KERN_MEMORY_IPC 7 712 #define VM_KERN_MEMORY_STACK 8 713 #define VM_KERN_MEMORY_CPU 9 714 #define VM_KERN_MEMORY_PMAP 10 715 #define VM_KERN_MEMORY_PTE 11 716 #define VM_KERN_MEMORY_ZONE 12 717 #define VM_KERN_MEMORY_KALLOC 13 718 #define VM_KERN_MEMORY_COMPRESSOR 14 719 #define VM_KERN_MEMORY_COMPRESSED_DATA 15 720 #define VM_KERN_MEMORY_PHANTOM_CACHE 16 721 #define VM_KERN_MEMORY_WAITQ 17 722 #define VM_KERN_MEMORY_DIAG 18 723 #define VM_KERN_MEMORY_LOG 19 724 #define VM_KERN_MEMORY_FILE 20 725 #define VM_KERN_MEMORY_MBUF 21 726 #define VM_KERN_MEMORY_UBC 22 727 #define VM_KERN_MEMORY_SECURITY 23 728 #define VM_KERN_MEMORY_MLOCK 24 729 #define VM_KERN_MEMORY_REASON 25 730 #define VM_KERN_MEMORY_SKYWALK 26 731 #define VM_KERN_MEMORY_LTABLE 27 732 #define VM_KERN_MEMORY_HV 28 733 #define VM_KERN_MEMORY_KALLOC_DATA 29 734 #define VM_KERN_MEMORY_RETIRED 30 735 #define VM_KERN_MEMORY_KALLOC_TYPE 31 736 #define VM_KERN_MEMORY_TRIAGE 32 737 #define VM_KERN_MEMORY_RECOUNT 33 738 /* add new tags here and adjust first-dynamic value */ 739 #define VM_KERN_MEMORY_FIRST_DYNAMIC 34 740 741 /* out of tags: */ 742 #define VM_KERN_MEMORY_ANY 255 743 #define VM_KERN_MEMORY_COUNT 256 744 745 /* end kernel map tags */ 746 747 // mach_memory_info.flags 748 #define VM_KERN_SITE_TYPE 0x000000FF 749 #define VM_KERN_SITE_TAG 0x00000000 750 #define VM_KERN_SITE_KMOD 0x00000001 751 #define VM_KERN_SITE_KERNEL 0x00000002 752 #define VM_KERN_SITE_COUNTER 0x00000003 753 #define VM_KERN_SITE_WIRED 0x00000100 /* add to wired count */ 754 #define VM_KERN_SITE_HIDE 0x00000200 /* no zprint */ 755 #define VM_KERN_SITE_NAMED 0x00000400 756 #define VM_KERN_SITE_ZONE 0x00000800 757 #define VM_KERN_SITE_ZONE_VIEW 0x00001000 758 #define VM_KERN_SITE_KALLOC 0x00002000 /* zone field is size class */ 759 760 #define VM_KERN_COUNT_MANAGED 0 761 #define VM_KERN_COUNT_RESERVED 1 762 #define VM_KERN_COUNT_WIRED 2 763 #define VM_KERN_COUNT_WIRED_MANAGED 3 764 #define VM_KERN_COUNT_STOLEN 4 765 #define VM_KERN_COUNT_LOPAGE 5 766 #define VM_KERN_COUNT_MAP_KERNEL 6 767 #define VM_KERN_COUNT_MAP_ZONE 7 768 #define VM_KERN_COUNT_MAP_KALLOC 8 769 770 #define VM_KERN_COUNT_WIRED_BOOT 9 771 772 #define VM_KERN_COUNT_BOOT_STOLEN 10 773 774 /* The number of bytes from the kernel cache that are wired in memory */ 775 #define VM_KERN_COUNT_WIRED_STATIC_KERNELCACHE 11 776 777 #define VM_KERN_COUNT_MAP_KALLOC_LARGE VM_KERN_COUNT_MAP_KALLOC 778 #define VM_KERN_COUNT_MAP_KALLOC_LARGE_DATA 12 779 #define VM_KERN_COUNT_MAP_KERNEL_DATA 13 780 781 #define VM_KERN_COUNTER_COUNT 14 782 783 #endif /* KERNEL_PRIVATE */ 784 785 __END_DECLS 786 787 #endif /* _MACH_VM_STATISTICS_H_ */ 788