osfmk/mach/events_info.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_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
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_FREE_COPYRIGHT@
  32  */
  33 /*
  34  *      Machine-independent event information structures and definitions.
  35  *
  36  *      The definitions in this file are exported to the user.  The kernel
  37  *      will translate its internal data structures to these structures
  38  *      as appropriate.
  39  *
  40  *      This data structure is used to track events that occur during
  41  *      thread execution, and to summarize this information for tasks.
  42  */
  43
  44 #ifndef _MACH_EVENTS_INFO_H_
  45 #define _MACH_EVENTS_INFO_H_
  46
  47 #include <mach/message.h>
  48
  49 struct events_info {
  50         integer_t       faults;         /* number of page faults */
  51         integer_t       zero_fills;     /* number of zero fill pages */
  52         integer_t       reactivations;  /* number of reactivated pages */
  53         integer_t       pageins;        /* number of actual pageins */
  54         integer_t       cow_faults;     /* number of copy-on-write faults */
  55         integer_t       messages_sent;  /* number of messages sent */
  56         integer_t       messages_received; /* number of messages received */
  57 };
  58 typedef struct events_info              events_info_data_t;
  59 typedef struct events_info              *events_info_t;
  60 #define EVENTS_INFO_COUNT       ((mach_msg_type_number_t) \
  61                 (sizeof(events_info_data_t) / sizeof(integer_t)))
  62
  63 #endif  /*_MACH_EVENTS_INFO_H_*/