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  * 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.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  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.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_FREE_COPYRIGHT@
  24  */
  25 /*
  26  *      Machine-independent event information structures and definitions.
  27  *
  28  *      The definitions in this file are exported to the user.  The kernel
  29  *      will translate its internal data structures to these structures
  30  *      as appropriate.
  31  *
  32  *      This data structure is used to track events that occur during
  33  *      thread execution, and to summarize this information for tasks.
  34  */
  35
  36 #ifndef _MACH_EVENTS_INFO_H_
  37 #define _MACH_EVENTS_INFO_H_
  38
  39 #include <mach/message.h>
  40
  41 struct events_info {
  42         integer_t       faults;         /* number of page faults */
  43         integer_t       zero_fills;     /* number of zero fill pages */
  44         integer_t       reactivations;  /* number of reactivated pages */
  45         integer_t       pageins;        /* number of actual pageins */
  46         integer_t       cow_faults;     /* number of copy-on-write faults */
  47         integer_t       messages_sent;  /* number of messages sent */
  48         integer_t       messages_received; /* number of messages received */
  49 };
  50 typedef struct events_info              events_info_data_t;
  51 typedef struct events_info              *events_info_t;
  52 #define EVENTS_INFO_COUNT       ((mach_msg_type_number_t) \
  53                 (sizeof(events_info_data_t) / sizeof(integer_t)))
  54
  55 #endif  /*_MACH_EVENTS_INFO_H_*/