X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/55e303ae13a4cf49d70f2294092726f2fffb9ef2..2d21ac55c334faf3a56e5634905ed6987fc787d4:/osfmk/mach/vm_statistics.h?ds=inline diff --git a/osfmk/mach/vm_statistics.h b/osfmk/mach/vm_statistics.h index 6f8d83de0..aab39fd3c 100644 --- a/osfmk/mach/vm_statistics.h +++ b/osfmk/mach/vm_statistics.h @@ -1,16 +1,19 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2007 Apple Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ - * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in - * compliance with the License. Please obtain a copy of the License at - * http://www.opensource.apple.com/apsl/ and read it before using this - * file. + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. + * + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER @@ -20,7 +23,7 @@ * Please see the License for the specific language governing rights and * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ @@ -60,24 +63,37 @@ * */ -#ifndef VM_STATISTICS_H_ -#define VM_STATISTICS_H_ +#ifndef _MACH_VM_STATISTICS_H_ +#define _MACH_VM_STATISTICS_H_ #include struct vm_statistics { - integer_t free_count; /* # of pages free */ - integer_t active_count; /* # of pages active */ - integer_t inactive_count; /* # of pages inactive */ - integer_t wire_count; /* # of pages wired down */ - integer_t zero_fill_count; /* # of zero fill pages */ - integer_t reactivations; /* # of pages reactivated */ - integer_t pageins; /* # of pageins */ - integer_t pageouts; /* # of pageouts */ - integer_t faults; /* # of faults */ - integer_t cow_faults; /* # of copy-on-writes */ - integer_t lookups; /* object cache lookups */ - integer_t hits; /* object cache hits */ + natural_t free_count; /* # of pages free */ + natural_t active_count; /* # of pages active */ + natural_t inactive_count; /* # of pages inactive */ + natural_t wire_count; /* # of pages wired down */ + natural_t zero_fill_count; /* # of zero fill pages */ + natural_t reactivations; /* # of pages reactivated */ + natural_t pageins; /* # of pageins */ + natural_t pageouts; /* # of pageouts */ + natural_t faults; /* # of faults */ + natural_t cow_faults; /* # of copy-on-writes */ + natural_t lookups; /* object cache lookups */ + natural_t hits; /* object cache hits */ + + /* added for rev1 */ + natural_t purgeable_count; /* # of pages purgeable */ + natural_t purges; /* # of pages purged */ + + /* added for rev2 */ + /* + * NB: speculative pages are already accounted for in "free_count", + * so "speculative_count" is the number of "free" pages that are + * used to hold data that was read speculatively from disk but + * haven't actually been used by anyone so far. + */ + natural_t speculative_count; /* # of pages speculative */ }; typedef struct vm_statistics *vm_statistics_t; @@ -90,7 +106,11 @@ typedef struct vm_statistics vm_statistics_data_t; #define VM_PAGE_QUERY_PAGE_FICTITIOUS 0x2 #define VM_PAGE_QUERY_PAGE_REF 0x4 #define VM_PAGE_QUERY_PAGE_DIRTY 0x8 +#define VM_PAGE_QUERY_PAGE_PAGED_OUT 0x10 +#define VM_PAGE_QUERY_PAGE_COPIED 0x20 +#define VM_PAGE_QUERY_PAGE_SPECULATIVE 0x40 +#ifdef MACH_KERNEL_PRIVATE /* * Each machine dependent implementation is expected to @@ -101,13 +121,57 @@ typedef struct vm_statistics vm_statistics_data_t; struct pmap_statistics { integer_t resident_count; /* # of pages mapped (total)*/ + integer_t resident_max; /* # of pages mapped (peak) */ integer_t wired_count; /* # of pages wired */ }; typedef struct pmap_statistics *pmap_statistics_t; -#define VM_FLAGS_FIXED 0x0 -#define VM_FLAGS_ANYWHERE 0x1 +#endif /* MACH_KERNEL_PRIVATE */ + +/* + * VM allocation flags: + * + * VM_FLAGS_FIXED + * (really the absence of VM_FLAGS_ANYWHERE) + * Allocate new VM region at the specified virtual address, if possible. + * + * VM_FLAGS_ANYWHERE + * Allocate new VM region anywhere it would fit in the address space. + * + * VM_FLAGS_PURGABLE + * Create a purgable VM object for that new VM region. + * + * VM_FLAGS_NO_PMAP_CHECK + * (for DEBUG kernel config only, ignored for other configs) + * Do not check that there is no stale pmap mapping for the new VM region. + * This is useful for kernel memory allocations at bootstrap when building + * the initial kernel address space while some memory is already in use. + * + * VM_FLAGS_OVERWRITE + * The new VM region can replace existing VM regions if necessary + * (to be used in combination with VM_FLAGS_FIXED). + * + * VM_FLAGS_NO_CACHE + * Pages brought in to this VM region are placed on the speculative + * queue instead of the active queue. In other words, they are not + * cached so that they will be stolen first if memory runs low. + */ +#define VM_FLAGS_FIXED 0x0000 +#define VM_FLAGS_ANYWHERE 0x0001 +#define VM_FLAGS_PURGABLE 0x0002 +#define VM_FLAGS_NO_CACHE 0x0010 + +#ifdef KERNEL_PRIVATE +#define VM_FLAGS_NO_PMAP_CHECK 0x8000 /* do not check that pmap is empty */ +#define VM_FLAGS_OVERWRITE 0x4000 /* delete any existing mappings first */ +#define VM_FLAGS_BEYOND_MAX 0x2000 /* map beyond the map's limits */ +#define VM_FLAGS_ALREADY 0x1000 /* OK if same mapping already exists */ +#define VM_FLAGS_SUBMAP 0x0800 /* mapping a VM submap */ +#endif /* KERNEL_PRIVATE */ +#define VM_FLAGS_GUARD_BEFORE 0x0010 +#define VM_FLAGS_GUARD_AFTER 0x0020 + #define VM_FLAGS_ALIAS_MASK 0xFF000000 #define VM_GET_FLAGS_ALIAS(flags, alias) \ (alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24 @@ -115,6 +179,14 @@ typedef struct pmap_statistics *pmap_statistics_t; (flags) = (((flags) & ~VM_FLAGS_ALIAS_MASK) | \ (((alias) & ~VM_FLAGS_ALIAS_MASK) << 24)) +/* These are the flags that we accept from user-space */ +#define VM_FLAGS_USER_ALLOCATE (VM_FLAGS_FIXED | \ + VM_FLAGS_ANYWHERE | \ + VM_FLAGS_PURGABLE | \ + VM_FLAGS_NO_CACHE | \ + VM_FLAGS_ALIAS_MASK) +#define VM_FLAGS_USER_MAP VM_FLAGS_USER_ALLOCATE + #define VM_MEMORY_MALLOC 1 #define VM_MEMORY_MALLOC_SMALL 2 #define VM_MEMORY_MALLOC_LARGE 3 @@ -141,7 +213,24 @@ typedef struct pmap_statistics *pmap_statistics_t; #define VM_MEMORY_CARBON 43 #define VM_MEMORY_JAVA 44 #define VM_MEMORY_ATS 50 +#define VM_MEMORY_LAYERKIT 51 +#define VM_MEMORY_CGIMAGE 52 +#define VM_MEMORY_TCMALLOC 53 + +/* private raster data (i.e. layers, some images, QGL allocator) */ +#define VM_MEMORY_COREGRAPHICS_DATA 54 +/* shared image and font caches */ +#define VM_MEMORY_COREGRAPHICS_SHARED 55 + +/* Memory used for virtual framebuffers, shadowing buffers, etc... */ +#define VM_MEMORY_COREGRAPHICS_FRAMEBUFFERS 56 + +/* Window backing stores, custom shadow data, and compressed backing stores */ +#define VM_MEMORY_COREGRAPHICS_BACKINGSTORES 57 + +/* catch-all for other uses, such as the read-only shared data page */ +#define VM_MEMORY_COREGRAPHICS_MISC VM_MEMORY_COREGRAPHICS /* memory allocated by the dynamic loader for itself */ #define VM_MEMORY_DYLD 60 @@ -152,5 +241,6 @@ typedef struct pmap_statistics *pmap_statistics_t; #define VM_MEMORY_APPLICATION_SPECIFIC_1 240 #define VM_MEMORY_APPLICATION_SPECIFIC_16 255 -#define VM_MAKE_TAG(tag) (tag<<24) -#endif /* VM_STATISTICS_H_ */ +#define VM_MAKE_TAG(tag) ((tag) << 24) + +#endif /* _MACH_VM_STATISTICS_H_ */