/* * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_OSREFERENCE_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. 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 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * Mach Operating System * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* */ /* * File: mach/vm_statistics.h * Author: Avadis Tevanian, Jr., Michael Wayne Young, David Golub * * Virtual memory statistics structure. * */ #ifndef _MACH_VM_STATISTICS_H_ #define _MACH_VM_STATISTICS_H_ #include <mach/machine/vm_types.h> struct vm_statistics { 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 */ natural_t purgeable_count; /* # of pages purgeable */ natural_t purges; /* # of pages purged */ }; typedef struct vm_statistics *vm_statistics_t; typedef struct vm_statistics vm_statistics_data_t; struct vm_statistics_rev0 { 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 */ }; typedef struct vm_statistics_rev0 *vm_statistics_rev0_t; typedef struct vm_statistics_rev0 vm_statistics_rev0_data_t; /* included for the vm_map_page_query call */ #define VM_PAGE_QUERY_PAGE_PRESENT 0x1 #define VM_PAGE_QUERY_PAGE_FICTITIOUS 0x2 #define VM_PAGE_QUERY_PAGE_REF 0x4 #define VM_PAGE_QUERY_PAGE_DIRTY 0x8 #ifdef MACH_KERNEL_PRIVATE /* * Each machine dependent implementation is expected to * keep certain statistics. They may do this anyway they * so choose, but are expected to return the statistics * in the following structure. */ struct pmap_statistics { integer_t resident_count; /* # of pages mapped (total)*/ integer_t wired_count; /* # of pages wired */ }; typedef struct pmap_statistics *pmap_statistics_t; #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). */ #define VM_FLAGS_FIXED 0x0000 #define VM_FLAGS_ANYWHERE 0x0001 #define VM_FLAGS_PURGABLE 0x0002 #ifdef KERNEL_PRIVATE #define VM_FLAGS_NO_PMAP_CHECK 0x0004 #endif /* KERNEL_PRIVATE */ #define VM_FLAGS_OVERWRITE 0x0008 #define VM_FLAGS_ALIAS_MASK 0xFF000000 #define VM_GET_FLAGS_ALIAS(flags, alias) \ (alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24 #define VM_SET_FLAGS_ALIAS(flags, alias) \ (flags) = (((flags) & ~VM_FLAGS_ALIAS_MASK) | \ (((alias) & ~VM_FLAGS_ALIAS_MASK) << 24)) #define VM_MEMORY_MALLOC 1 #define VM_MEMORY_MALLOC_SMALL 2 #define VM_MEMORY_MALLOC_LARGE 3 #define VM_MEMORY_MALLOC_HUGE 4 #define VM_MEMORY_SBRK 5// uninteresting -- no one should call #define VM_MEMORY_REALLOC 6 #define VM_MEMORY_MALLOC_TINY 7 #define VM_MEMORY_ANALYSIS_TOOL 10 #define VM_MEMORY_MACH_MSG 20 #define VM_MEMORY_IOKIT 21 #define VM_MEMORY_STACK 30 #define VM_MEMORY_GUARD 31 #define VM_MEMORY_SHARED_PMAP 32 /* memory containing a dylib */ #define VM_MEMORY_DYLIB 33 // Placeholders for now -- as we analyze the libraries and find how they // use memory, we can make these labels more specific. #define VM_MEMORY_APPKIT 40 #define VM_MEMORY_FOUNDATION 41 #define VM_MEMORY_COREGRAPHICS 42 #define VM_MEMORY_CARBON 43 #define VM_MEMORY_JAVA 44 #define VM_MEMORY_ATS 50 /* memory allocated by the dynamic loader for itself */ #define VM_MEMORY_DYLD 60 /* malloc'd memory created by dyld */ #define VM_MEMORY_DYLD_MALLOC 61 /* Reserve 240-255 for application */ #define VM_MEMORY_APPLICATION_SPECIFIC_1 240 #define VM_MEMORY_APPLICATION_SPECIFIC_16 255 #define VM_MAKE_TAG(tag) (tag<<24) #endif /* _MACH_VM_STATISTICS_H_ */