osfmk/mach/events_info.h

   1 /*
   2  * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * @OSF_FREE_COPYRIGHT@
  25  */
  26 /*
  27  *      Machine-independent event information structures and definitions.
  28  *
  29  *      The definitions in this file are exported to the user.  The kernel
  30  *      will translate its internal data structures to these structures
  31  *      as appropriate.
  32  *
  33  *      This data structure is used to track events that occur during
  34  *      thread execution, and to summarize this information for tasks.
  35  */
  36
  37 #ifndef _MACH_EVENTS_INFO_H_
  38 #define _MACH_EVENTS_INFO_H_
  39
  40 #include <mach/message.h>
  41
  42 struct events_info {
  43         integer_t       faults;         /* number of page faults */
  44         integer_t       zero_fills;     /* number of zero fill pages */
  45         integer_t       reactivations;  /* number of reactivated pages */
  46         integer_t       pageins;        /* number of actual pageins */
  47         integer_t       cow_faults;     /* number of copy-on-write faults */
  48         integer_t       messages_sent;  /* number of messages sent */
  49         integer_t       messages_received; /* number of messages received */
  50 };
  51 typedef struct events_info              events_info_data_t;
  52 typedef struct events_info              *events_info_t;
  53 #define EVENTS_INFO_COUNT       ((mach_msg_type_number_t) \
  54                 (sizeof(events_info_data_t) / sizeof(integer_t)))
  55
  56 #endif  /*_MACH_EVENTS_INFO_H_*/