osfmk/kern/host_statistics.h

   1 /*
   2  * Copyright (c) 2000 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_COPYRIGHT@
  24  */
  25 /*
  26  *      kern/host_statistics.h
  27  *
  28  *      Definitions for host VM/event statistics data structures.
  29  *
  30  */
  31
  32 #ifndef _KERN_HOST_STATISTICS_H_
  33 #define _KERN_HOST_STATISTICS_H_
  34
  35 #include <mach/vm_statistics.h>
  36 #include <kern/cpu_number.h>
  37 #include <kern/sched_prim.h>
  38
  39 extern vm_statistics_data_t     vm_stat[];
  40
  41 #define VM_STAT(event)                                                  \
  42 MACRO_BEGIN                                                             \
  43         mp_disable_preemption();                                        \
  44         vm_stat[cpu_number()].event;                                    \
  45         mp_enable_preemption();                                         \
  46 MACRO_END
  47
  48 #endif  /* _KERN_HOST_STATISTICS_H_ */