[apple/xnu.git] / osfmk / kern / host_statistics.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * @OSF_COPYRIGHT@
 */
/*
 *	kern/host_statistics.h
 *
 *	Definitions for host VM/event statistics data structures.
 *
 */

#ifndef	_KERN_HOST_STATISTICS_H_
#define _KERN_HOST_STATISTICS_H_

#include <mach/vm_statistics.h>
#include <kern/cpu_number.h>
#include <kern/sched_prim.h>

extern vm_statistics_data_t	vm_stat[];

#define	VM_STAT(event)							\
MACRO_BEGIN 								\
	mp_disable_preemption();					\
	vm_stat[cpu_number()].event;					\
	mp_enable_preemption();						\
MACRO_END

#endif	/* _KERN_HOST_STATISTICS_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
43866e37	6	* Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
1c79356b	7	*
43866e37 A	8	* This file contains Original Code and/or Modifications of Original Code
	9	* as defined in and that are subject to the Apple Public Source License
	10	* Version 2.0 (the 'License'). You may not use this file except in
	11	* compliance with the License. Please obtain a copy of the License at
	12	* http://www.opensource.apple.com/apsl/ and read it before using this
	13	* file.
	14	*
	15	* The Original Code and all software distributed under the License are
	16	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
1c79356b A	17	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
1c79356b A	18	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
43866e37 A	19	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	20	* Please see the License for the specific language governing rights and
	21	* limitations under the License.
1c79356b A	22	*
	23	* @APPLE_LICENSE_HEADER_END@
	24	*/
	25	/*
	26	* @OSF_COPYRIGHT@
	27	*/
	28	/*
	29	* kern/host_statistics.h
	30	*
	31	* Definitions for host VM/event statistics data structures.
	32	*
	33	*/
	34
	35	#ifndef _KERN_HOST_STATISTICS_H_
	36	#define _KERN_HOST_STATISTICS_H_
	37
	38	#include <mach/vm_statistics.h>
	39	#include <kern/cpu_number.h>
	40	#include <kern/sched_prim.h>
	41
	42	extern vm_statistics_data_t vm_stat[];
	43
	44	#define VM_STAT(event) \
	45	MACRO_BEGIN \
	46	mp_disable_preemption(); \
	47	vm_stat[cpu_number()].event; \
	48	mp_enable_preemption(); \
	49	MACRO_END
	50
	51	#endif /* _KERN_HOST_STATISTICS_H_ */