blob: cdcd19405ec62a275dde42603e2beeb49d72d14d [file] [log] [blame]
/*
* Copyright (c) 2000-2005 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. 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_OSREFERENCE_LICENSE_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_ */