| 1 | /*␊ |
| 2 | * Copyright (c) 2000-2009 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 Software.Distribution@CS.CMU.EDU␊ |
| 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 <mach/machine/vm_types.h>␊ |
| 70 | ␊ |
| 71 | ␊ |
| 72 | /*␊ |
| 73 | * vm_statistics␊ |
| 74 | *␊ |
| 75 | * History:␊ |
| 76 | *␉rev0 - ␉original structure.␊ |
| 77 | *␉rev1 - ␉added purgable info (purgable_count and purges).␊ |
| 78 | *␉rev2 - ␉added speculative_count.␊ |
| 79 | *␊ |
| 80 | * Note: you cannot add any new fields to this structure. Add them below in␊ |
| 81 | * ␉ vm_statistics64.␊ |
| 82 | */␊ |
| 83 | ␊ |
| 84 | struct vm_statistics {␊ |
| 85 | ␉natural_t␉free_count;␉␉/* # of pages free */␊ |
| 86 | ␉natural_t␉active_count;␉␉/* # of pages active */␊ |
| 87 | ␉natural_t␉inactive_count;␉␉/* # of pages inactive */␊ |
| 88 | ␉natural_t␉wire_count;␉␉/* # of pages wired down */␊ |
| 89 | ␉natural_t␉zero_fill_count;␉/* # of zero fill pages */␊ |
| 90 | ␉natural_t␉reactivations;␉␉/* # of pages reactivated */␊ |
| 91 | ␉natural_t␉pageins;␉␉/* # of pageins */␊ |
| 92 | ␉natural_t␉pageouts;␉␉/* # of pageouts */␊ |
| 93 | ␉natural_t␉faults;␉␉␉/* # of faults */␊ |
| 94 | ␉natural_t␉cow_faults;␉␉/* # of copy-on-writes */␊ |
| 95 | ␉natural_t␉lookups;␉␉/* object cache lookups */␊ |
| 96 | ␉natural_t␉hits;␉␉␉/* object cache hits */␊ |
| 97 | ␊ |
| 98 | ␉/* added for rev1 */␊ |
| 99 | ␉natural_t␉purgeable_count;␉/* # of pages purgeable */␊ |
| 100 | ␉natural_t␉purges;␉␉␉/* # of pages purged */␊ |
| 101 | ␊ |
| 102 | ␉/* added for rev2 */␊ |
| 103 | ␉/*␊ |
| 104 | ␉ * NB: speculative pages are already accounted for in "free_count",␊ |
| 105 | ␉ * so "speculative_count" is the number of "free" pages that are␊ |
| 106 | ␉ * used to hold data that was read speculatively from disk but␊ |
| 107 | ␉ * haven't actually been used by anyone so far.␊ |
| 108 | ␉ */␊ |
| 109 | ␉natural_t␉speculative_count;␉/* # of pages speculative */␊ |
| 110 | };␊ |
| 111 | ␊ |
| 112 | /* Used by all architectures */␊ |
| 113 | typedef struct vm_statistics␉*vm_statistics_t;␊ |
| 114 | typedef struct vm_statistics␉vm_statistics_data_t;␊ |
| 115 | ␊ |
| 116 | #if defined(__ppc__) /* On ppc, vm statistics are still 32-bit */␊ |
| 117 | ␊ |
| 118 | typedef struct vm_statistics␉*vm_statistics64_t;␊ |
| 119 | typedef struct vm_statistics␉vm_statistics64_data_t;␊ |
| 120 | ␊ |
| 121 | #define VM_STATISTICS_TRUNCATE_TO_32_BIT(value) value␊ |
| 122 | ␊ |
| 123 | #else /* !(defined(__ppc__)) */␊ |
| 124 | ␊ |
| 125 | /* ␊ |
| 126 | * vm_statistics64␊ |
| 127 | *␊ |
| 128 | * History:␊ |
| 129 | *␉rev0 - ␉original structure.␊ |
| 130 | *␉rev1 - ␉added purgable info (purgable_count and purges).␊ |
| 131 | *␉rev2 - ␉added speculative_count.␊ |
| 132 | *␉ ----␊ |
| 133 | *␉rev3 - ␉changed name to vm_statistics64.␊ |
| 134 | *␉␉changed some fields in structure to 64-bit on ␊ |
| 135 | *␉␉arm, i386 and x86_64 architectures.␊ |
| 136 | *␊ |
| 137 | */␊ |
| 138 | ␊ |
| 139 | struct vm_statistics64 {␊ |
| 140 | ␉natural_t␉free_count;␉␉/* # of pages free */␊ |
| 141 | ␉natural_t␉active_count;␉␉/* # of pages active */␊ |
| 142 | ␉natural_t␉inactive_count;␉␉/* # of pages inactive */␊ |
| 143 | ␉natural_t␉wire_count;␉␉/* # of pages wired down */␊ |
| 144 | ␉uint64_t␉zero_fill_count;␉/* # of zero fill pages */␊ |
| 145 | ␉uint64_t␉reactivations;␉␉/* # of pages reactivated */␊ |
| 146 | ␉uint64_t␉pageins;␉␉/* # of pageins */␊ |
| 147 | ␉uint64_t␉pageouts;␉␉/* # of pageouts */␊ |
| 148 | ␉uint64_t␉faults;␉␉␉/* # of faults */␊ |
| 149 | ␉uint64_t␉cow_faults;␉␉/* # of copy-on-writes */␊ |
| 150 | ␉uint64_t␉lookups;␉␉/* object cache lookups */␊ |
| 151 | ␉uint64_t␉hits;␉␉␉/* object cache hits */␊ |
| 152 | ␊ |
| 153 | ␉/* added for rev1 */␊ |
| 154 | ␉uint64_t␉purges;␉␉␉/* # of pages purged */␊ |
| 155 | ␉natural_t␉purgeable_count;␉/* # of pages purgeable */␊ |
| 156 | ␊ |
| 157 | ␉/* added for rev2 */␊ |
| 158 | ␉/*␊ |
| 159 | ␉ * NB: speculative pages are already accounted for in "free_count",␊ |
| 160 | ␉ * so "speculative_count" is the number of "free" pages that are␊ |
| 161 | ␉ * used to hold data that was read speculatively from disk but␊ |
| 162 | ␉ * haven't actually been used by anyone so far.␊ |
| 163 | ␉ */␊ |
| 164 | ␉natural_t␉speculative_count;␉/* # of pages speculative */␊ |
| 165 | ␊ |
| 166 | }␊ |
| 167 | #ifdef __arm__␊ |
| 168 | __attribute__((aligned(8)))␊ |
| 169 | #endif␊ |
| 170 | ;␊ |
| 171 | ␊ |
| 172 | typedef struct vm_statistics64␉*vm_statistics64_t;␊ |
| 173 | typedef struct vm_statistics64␉vm_statistics64_data_t;␊ |
| 174 | ␊ |
| 175 | /* ␊ |
| 176 | * VM_STATISTICS_TRUNCATE_TO_32_BIT␊ |
| 177 | *␊ |
| 178 | * This is used by host_statistics() to truncate and peg the 64-bit in-kernel values from␊ |
| 179 | * vm_statistics64 to the 32-bit values of the older structure above (vm_statistics).␊ |
| 180 | */␊ |
| 181 | #define VM_STATISTICS_TRUNCATE_TO_32_BIT(value) ((uint32_t)(((value) > UINT32_MAX ) ? UINT32_MAX : (value)))␊ |
| 182 | ␊ |
| 183 | #endif /* !(defined(__ppc__)) */␊ |
| 184 | ␊ |
| 185 | ␊ |
| 186 | /* included for the vm_map_page_query call */␊ |
| 187 | ␊ |
| 188 | #define VM_PAGE_QUERY_PAGE_PRESENT 0x1␊ |
| 189 | #define VM_PAGE_QUERY_PAGE_FICTITIOUS 0x2␊ |
| 190 | #define VM_PAGE_QUERY_PAGE_REF 0x4␊ |
| 191 | #define VM_PAGE_QUERY_PAGE_DIRTY 0x8␊ |
| 192 | #define VM_PAGE_QUERY_PAGE_PAGED_OUT 0x10␊ |
| 193 | #define VM_PAGE_QUERY_PAGE_COPIED 0x20␊ |
| 194 | #define VM_PAGE_QUERY_PAGE_SPECULATIVE␉0x40␊ |
| 195 | #define VM_PAGE_QUERY_PAGE_EXTERNAL␉0x80␊ |
| 196 | #define VM_PAGE_QUERY_PAGE_CS_VALIDATED␉0x100␊ |
| 197 | #define VM_PAGE_QUERY_PAGE_CS_TAINTED␉0x200␊ |
| 198 | ␊ |
| 199 | ␊ |
| 200 | /*␊ |
| 201 | * VM allocation flags:␊ |
| 202 | * ␊ |
| 203 | * VM_FLAGS_FIXED␊ |
| 204 | * ␉(really the absence of VM_FLAGS_ANYWHERE)␊ |
| 205 | *␉Allocate new VM region at the specified virtual address, if possible.␊ |
| 206 | * ␊ |
| 207 | * VM_FLAGS_ANYWHERE␊ |
| 208 | *␉Allocate new VM region anywhere it would fit in the address space.␊ |
| 209 | *␊ |
| 210 | * VM_FLAGS_PURGABLE␊ |
| 211 | *␉Create a purgable VM object for that new VM region.␊ |
| 212 | *␊ |
| 213 | * VM_FLAGS_NO_PMAP_CHECK␊ |
| 214 | *␉(for DEBUG kernel config only, ignored for other configs)␊ |
| 215 | *␉Do not check that there is no stale pmap mapping for the new VM region.␊ |
| 216 | *␉This is useful for kernel memory allocations at bootstrap when building␊ |
| 217 | *␉the initial kernel address space while some memory is already in use.␊ |
| 218 | *␊ |
| 219 | * VM_FLAGS_OVERWRITE␊ |
| 220 | *␉The new VM region can replace existing VM regions if necessary␊ |
| 221 | *␉(to be used in combination with VM_FLAGS_FIXED).␊ |
| 222 | *␊ |
| 223 | * VM_FLAGS_NO_CACHE␊ |
| 224 | *␉Pages brought in to this VM region are placed on the speculative␊ |
| 225 | *␉queue instead of the active queue. In other words, they are not␊ |
| 226 | *␉cached so that they will be stolen first if memory runs low.␊ |
| 227 | */␊ |
| 228 | #define VM_FLAGS_FIXED␉␉0x0000␊ |
| 229 | #define VM_FLAGS_ANYWHERE␉0x0001␊ |
| 230 | #define VM_FLAGS_PURGABLE␉0x0002␊ |
| 231 | #define VM_FLAGS_NO_CACHE␉0x0010␊ |
| 232 | ␊ |
| 233 | /*␊ |
| 234 | * VM_FLAGS_SUPERPAGE_MASK␊ |
| 235 | *␉3 bits that specify whether large pages should be used instead of␊ |
| 236 | *␉base pages (!=0), as well as the requested page size.␊ |
| 237 | */␊ |
| 238 | #define VM_FLAGS_SUPERPAGE_MASK␉0x70000␉/* bits 0x10000, 0x20000, 0x40000 */␊ |
| 239 | #define VM_FLAGS_SUPERPAGE_SHIFT 16␊ |
| 240 | ␊ |
| 241 | #define SUPERPAGE_NONE␉␉␉0␉/* no superpages, if all bits are 0 */␊ |
| 242 | #define VM_FLAGS_SUPERPAGE_NONE␉␉(SUPERPAGE_NONE<<VM_FLAGS_SUPERPAGE_SHIFT)␊ |
| 243 | #if defined(__x86_64__) || !defined(KERNEL)␊ |
| 244 | #define SUPERPAGE_SIZE_2MB␉␉1␊ |
| 245 | #define VM_FLAGS_SUPERPAGE_SIZE_2MB␉(SUPERPAGE_SIZE_2MB<<VM_FLAGS_SUPERPAGE_SHIFT)␊ |
| 246 | #endif␊ |
| 247 | ␊ |
| 248 | #define VM_FLAGS_ALIAS_MASK␉0xFF000000␊ |
| 249 | #define VM_GET_FLAGS_ALIAS(flags, alias)␉␉␉\␊ |
| 250 | ␉␉(alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24␉␊ |
| 251 | #define VM_SET_FLAGS_ALIAS(flags, alias)␉␉␉\␊ |
| 252 | ␉␉(flags) = (((flags) & ~VM_FLAGS_ALIAS_MASK) |␉\␊ |
| 253 | ␉␉(((alias) & ~VM_FLAGS_ALIAS_MASK) << 24))␊ |
| 254 | ␊ |
| 255 | /* These are the flags that we accept from user-space */␊ |
| 256 | #define VM_FLAGS_USER_ALLOCATE␉(VM_FLAGS_FIXED |␉␉\␊ |
| 257 | ␉␉␉␉ VM_FLAGS_ANYWHERE |␉␉\␊ |
| 258 | ␉␉␉␉ VM_FLAGS_PURGABLE |␉␉\␊ |
| 259 | ␉␉␉␉ VM_FLAGS_NO_CACHE |␉␉\␊ |
| 260 | ␉␉␉␉ VM_FLAGS_SUPERPAGE_MASK |␉\␊ |
| 261 | ␉␉␉␉ VM_FLAGS_ALIAS_MASK)␊ |
| 262 | #define VM_FLAGS_USER_MAP␉VM_FLAGS_USER_ALLOCATE␊ |
| 263 | ␊ |
| 264 | #define VM_MEMORY_MALLOC 1␊ |
| 265 | #define VM_MEMORY_MALLOC_SMALL 2␊ |
| 266 | #define VM_MEMORY_MALLOC_LARGE 3␊ |
| 267 | #define VM_MEMORY_MALLOC_HUGE 4␊ |
| 268 | #define VM_MEMORY_SBRK 5// uninteresting -- no one should call␊ |
| 269 | #define VM_MEMORY_REALLOC 6␊ |
| 270 | #define VM_MEMORY_MALLOC_TINY 7␊ |
| 271 | #define VM_MEMORY_MALLOC_LARGE_REUSABLE 8␊ |
| 272 | #define VM_MEMORY_MALLOC_LARGE_REUSED 9␊ |
| 273 | ␊ |
| 274 | #define VM_MEMORY_ANALYSIS_TOOL 10␊ |
| 275 | ␊ |
| 276 | #define VM_MEMORY_MACH_MSG 20␊ |
| 277 | #define VM_MEMORY_IOKIT␉21␊ |
| 278 | #define VM_MEMORY_STACK 30␊ |
| 279 | #define VM_MEMORY_GUARD 31␊ |
| 280 | #define␉VM_MEMORY_SHARED_PMAP 32␊ |
| 281 | /* memory containing a dylib */␊ |
| 282 | #define VM_MEMORY_DYLIB␉33␊ |
| 283 | #define VM_MEMORY_OBJC_DISPATCHERS 34␊ |
| 284 | ␊ |
| 285 | // Placeholders for now -- as we analyze the libraries and find how they␊ |
| 286 | // use memory, we can make these labels more specific.␊ |
| 287 | #define VM_MEMORY_APPKIT 40␊ |
| 288 | #define VM_MEMORY_FOUNDATION 41␊ |
| 289 | #define VM_MEMORY_COREGRAPHICS 42␊ |
| 290 | #define VM_MEMORY_CARBON 43␊ |
| 291 | #define VM_MEMORY_JAVA 44␊ |
| 292 | #define VM_MEMORY_ATS 50␊ |
| 293 | #define VM_MEMORY_LAYERKIT 51␊ |
| 294 | #define VM_MEMORY_CGIMAGE 52␊ |
| 295 | #define VM_MEMORY_TCMALLOC 53␊ |
| 296 | ␊ |
| 297 | /* private raster data (i.e. layers, some images, QGL allocator) */␊ |
| 298 | #define␉VM_MEMORY_COREGRAPHICS_DATA␉54␊ |
| 299 | ␊ |
| 300 | /* shared image and font caches */␊ |
| 301 | #define VM_MEMORY_COREGRAPHICS_SHARED␉55␊ |
| 302 | ␊ |
| 303 | /* Memory used for virtual framebuffers, shadowing buffers, etc... */␊ |
| 304 | #define␉VM_MEMORY_COREGRAPHICS_FRAMEBUFFERS␉56␊ |
| 305 | ␊ |
| 306 | /* Window backing stores, custom shadow data, and compressed backing stores */␊ |
| 307 | #define VM_MEMORY_COREGRAPHICS_BACKINGSTORES␉57␊ |
| 308 | ␊ |
| 309 | /* catch-all for other uses, such as the read-only shared data page */␊ |
| 310 | #define VM_MEMORY_COREGRAPHICS_MISC VM_MEMORY_COREGRAPHICS␊ |
| 311 | ␊ |
| 312 | /* memory allocated by the dynamic loader for itself */␊ |
| 313 | #define VM_MEMORY_DYLD 60␊ |
| 314 | /* malloc'd memory created by dyld */␊ |
| 315 | #define VM_MEMORY_DYLD_MALLOC 61␊ |
| 316 | ␊ |
| 317 | /* Used for sqlite page cache */␊ |
| 318 | #define VM_MEMORY_SQLITE 62␊ |
| 319 | ␊ |
| 320 | /* JavaScriptCore heaps */␊ |
| 321 | #define VM_MEMORY_JAVASCRIPT_CORE 63␊ |
| 322 | /* memory allocated for the JIT */␊ |
| 323 | #define VM_MEMORY_JAVASCRIPT_JIT_EXECUTABLE_ALLOCATOR 64␊ |
| 324 | #define VM_MEMORY_JAVASCRIPT_JIT_REGISTER_FILE 65␊ |
| 325 | ␊ |
| 326 | /* memory allocated for GLSL */␊ |
| 327 | #define VM_MEMORY_GLSL 66␊ |
| 328 | ␊ |
| 329 | /* Reserve 240-255 for application */␊ |
| 330 | #define VM_MEMORY_APPLICATION_SPECIFIC_1 240␊ |
| 331 | #define VM_MEMORY_APPLICATION_SPECIFIC_16 255␊ |
| 332 | ␊ |
| 333 | #define VM_MAKE_TAG(tag) ((tag) << 24)␊ |
| 334 | ␊ |
| 335 | #endif␉/* _MACH_VM_STATISTICS_H_ */␊ |
| 336 | |
