xref: /xnu-12377.81.4/osfmk/mach/events_info.h (revision 043036a2b3718f7f0be807e2870f8f47d3fa0796)
1 /*
2  * Copyright (c) 2000-2005 Apple Computer, 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_FREE_COPYRIGHT@
30  */
31 /*
32  *	Machine-independent event information structures and definitions.
33  *
34  *	The definitions in this file are exported to the user.  The kernel
35  *	will translate its internal data structures to these structures
36  *	as appropriate.
37  *
38  *	This data structure is used to track events that occur during
39  *	thread execution, and to summarize this information for tasks.
40  */
41 
42 #ifndef _MACH_EVENTS_INFO_H_
43 #define _MACH_EVENTS_INFO_H_
44 
45 #include <mach/message.h>
46 
47 struct events_info {
48 	integer_t       faults;         /* number of page faults */
49 	integer_t       zero_fills;     /* number of zero fill pages */
50 	integer_t       reactivations;  /* number of reactivated pages */
51 	integer_t       pageins;        /* number of actual pageins */
52 	integer_t       cow_faults;     /* number of copy-on-write faults */
53 	integer_t       messages_sent;  /* number of messages sent */
54 	integer_t       messages_received; /* number of messages received */
55 };
56 typedef struct events_info              events_info_data_t;
57 typedef struct events_info              *events_info_t;
58 #define EVENTS_INFO_COUNT       ((mach_msg_type_number_t) \
59 	        (sizeof(events_info_data_t) / sizeof(integer_t)))
60 
61 #endif  /*_MACH_EVENTS_INFO_H_*/
62