host_statistics.h   [plain text]


/*
 * Copyright (c) 2000-2009 Apple Inc. All rights reserved.
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 * compliance with the License. The rights granted to you under the License
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/*
 * @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 <libkern/OSAtomic.h>
#include <mach/vm_statistics.h>
#include <kern/percpu.h>
#include <os/atomic_private.h>

extern
uint64_t get_pages_grabbed_count(void);

PERCPU_DECL(vm_statistics64_data_t, vm_stat);
PERCPU_DECL(uint64_t, vm_page_grab_count);

#define VM_STAT_INCR(event)                                             \
MACRO_BEGIN                                                             \
	os_atomic_inc(&PERCPU_GET(vm_stat)->event, relaxed);            \
MACRO_END

#define VM_STAT_INCR_BY(event, amount)                                  \
MACRO_BEGIN                                                             \
	os_atomic_add(&PERCPU_GET(vm_stat)->event, amount, relaxed);    \
MACRO_END

#endif  /* _KERN_HOST_STATISTICS_H_ */