[mirror_ubuntu-artful-kernel.git] / kernel / time / timekeeping_internal.h

#ifndef _TIMEKEEPING_INTERNAL_H
#define _TIMEKEEPING_INTERNAL_H
/*
 * timekeeping debug functions
 */
#include <linux/clocksource.h>
#include <linux/time.h>

#ifdef CONFIG_DEBUG_FS
extern void tk_debug_account_sleep_time(struct timespec64 *t);
#else
#define tk_debug_account_sleep_time(x)
#endif

static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask)
{
	return (now - last) & mask;
}

#endif /* _TIMEKEEPING_INTERNAL_H */
Commit	Line	Data
5c83545f CC	1	#ifndef _TIMEKEEPING_INTERNAL_H
	2	#define _TIMEKEEPING_INTERNAL_H
	3	/*
	4	* timekeeping debug functions
	5	*/
3a978377	6	#include <linux/clocksource.h>
5c83545f CC	7	#include <linux/time.h>
	8
	9	#ifdef CONFIG_DEBUG_FS
7d489d15	10	extern void tk_debug_account_sleep_time(struct timespec64 *t);
5c83545f CC	11	#else
	12	#define tk_debug_account_sleep_time(x)
	13	#endif
	14
3a978377 TG	15	static inline cycle_t clocksource_delta(cycle_t now, cycle_t last, cycle_t mask)
	16	{
	17	return (now - last) & mask;
	18	}
	19
5c83545f	20	#endif /* _TIMEKEEPING_INTERNAL_H */