[apple/xnu.git] / osfmk / mach / vm_statistics.h

/*
 * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This 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 OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_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	VM_STATISTICS_H_
#define	VM_STATISTICS_H_

#include <mach/machine/vm_types.h>

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 */
};

typedef struct vm_statistics	*vm_statistics_t;
typedef struct vm_statistics	vm_statistics_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


/*
 *	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;

#define VM_FLAGS_FIXED		0x0
#define VM_FLAGS_ANYWHERE	0x1
#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_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	/* VM_STATISTICS_H_ */
Commit	Line	Data
1c79356b	1	/*
9bccf70c	2	* Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
1c79356b A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
de355530 A	6	* The contents of this file constitute Original Code as defined in and
	7	* are subject to the Apple Public Source License Version 1.1 (the
	8	* "License"). You may not use this file except in compliance with the
	9	* License. Please obtain a copy of the License at
	10	* http://www.apple.com/publicsource and read it before using this file.
1c79356b	11	*
de355530 A	12	* This Original Code and all software distributed under the License are
de355530 A	13	* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	14	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	15	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
de355530 A	16	* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
	17	* License for the specific language governing rights and limitations
	18	* under the License.
1c79356b A	19	*
	20	* @APPLE_LICENSE_HEADER_END@
	21	*/
	22	/*
	23	* @OSF_COPYRIGHT@
	24	*/
1c79356b A	25	/*
	26	* Mach Operating System
	27	* Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
	28	* All Rights Reserved.
	29	*
	30	* Permission to use, copy, modify and distribute this software and its
	31	* documentation is hereby granted, provided that both the copyright
	32	* notice and this permission notice appear in all copies of the
	33	* software, derivative works or modified versions, and any portions
	34	* thereof, and that both notices appear in supporting documentation.
	35	*
	36	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	37	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	38	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	39	*
	40	* Carnegie Mellon requests users of this software to return to
	41	*
	42	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	43	* School of Computer Science
	44	* Carnegie Mellon University
	45	* Pittsburgh PA 15213-3890
	46	*
	47	* any improvements or extensions that they make and grant Carnegie Mellon
	48	* the rights to redistribute these changes.
	49	*/
	50	/*
	51	*/
	52	/*
	53	* File: mach/vm_statistics.h
	54	* Author: Avadis Tevanian, Jr., Michael Wayne Young, David Golub
	55	*
	56	* Virtual memory statistics structure.
	57	*
	58	*/
	59
	60	#ifndef VM_STATISTICS_H_
	61	#define VM_STATISTICS_H_
	62
	63	#include <mach/machine/vm_types.h>
	64
	65	struct vm_statistics {
	66	integer_t free_count; /* # of pages free */
	67	integer_t active_count; /* # of pages active */
	68	integer_t inactive_count; /* # of pages inactive */
	69	integer_t wire_count; /* # of pages wired down */
	70	integer_t zero_fill_count; /* # of zero fill pages */
	71	integer_t reactivations; /* # of pages reactivated */
	72	integer_t pageins; /* # of pageins */
	73	integer_t pageouts; /* # of pageouts */
	74	integer_t faults; /* # of faults */
	75	integer_t cow_faults; /* # of copy-on-writes */
	76	integer_t lookups; /* object cache lookups */
	77	integer_t hits; /* object cache hits */
	78	};
	79
	80	typedef struct vm_statistics *vm_statistics_t;
	81	typedef struct vm_statistics vm_statistics_data_t;
	82
	83
	84	/* included for the vm_map_page_query call */
	85
	86	#define VM_PAGE_QUERY_PAGE_PRESENT 0x1
	87	#define VM_PAGE_QUERY_PAGE_FICTITIOUS 0x2
	88	#define VM_PAGE_QUERY_PAGE_REF 0x4
89	#define VM_PAGE_QUERY_PAGE_DIRTY 0x8
90
91
92	/*
93	* Each machine dependent implementation is expected to
94	* keep certain statistics. They may do this anyway they
95	* so choose, but are expected to return the statistics
96	* in the following structure.
97	*/
98
99	struct pmap_statistics {
100	integer_t resident_count; /* # of pages mapped (total)*/
101	integer_t wired_count; /* # of pages wired */
102	};
103
104	typedef struct pmap_statistics *pmap_statistics_t;
105
106	#define VM_FLAGS_FIXED 0x0
107	#define VM_FLAGS_ANYWHERE 0x1
108	#define VM_FLAGS_ALIAS_MASK 0xFF000000
109	#define VM_GET_FLAGS_ALIAS(flags, alias) \
110	(alias) = ((flags) & VM_FLAGS_ALIAS_MASK) >> 24
111	#define VM_SET_FLAGS_ALIAS(flags, alias) \
112	(flags) = (((flags) & ~VM_FLAGS_ALIAS_MASK) \| \
113	(((alias) & ~VM_FLAGS_ALIAS_MASK) << 24))
114
115	#define VM_MEMORY_MALLOC 1
116	#define VM_MEMORY_MALLOC_SMALL 2
117	#define VM_MEMORY_MALLOC_LARGE 3
118	#define VM_MEMORY_MALLOC_HUGE 4
119	#define VM_MEMORY_SBRK 5// uninteresting -- no one should call
120
121	#define VM_MEMORY_ANALYSIS_TOOL 10
122
123	#define VM_MEMORY_MACH_MSG 20
124	#define VM_MEMORY_IOKIT 21
125	#define VM_MEMORY_STACK 30
126	#define VM_MEMORY_GUARD 31
127	#define VM_MEMORY_SHARED_PMAP 32
128	/* memory containing a dylib */
129	#define VM_MEMORY_DYLIB 33
130
131	// Placeholders for now -- as we analyze the libraries and find how they
132	// use memory, we can make these labels more specific.
133	#define VM_MEMORY_APPKIT 40
134	#define VM_MEMORY_FOUNDATION 41
135	#define VM_MEMORY_COREGRAPHICS 42
136	#define VM_MEMORY_CARBON 43
9bccf70c	137	#define VM_MEMORY_JAVA 44
1c79356b A	138	#define VM_MEMORY_ATS 50
	139
	140
	141	/* memory allocated by the dynamic loader for itself */
	142	#define VM_MEMORY_DYLD 60
	143	/* malloc'd memory created by dyld */
	144	#define VM_MEMORY_DYLD_MALLOC 61
	145
	146	/* Reserve 240-255 for application */
	147	#define VM_MEMORY_APPLICATION_SPECIFIC_1 240
	148	#define VM_MEMORY_APPLICATION_SPECIFIC_16 255
	149
	150	#define VM_MAKE_TAG(tag) (tag<<24)
	151	#endif /* VM_STATISTICS_H_ */