osfmk/mach/events_info.h

   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_*/