[linux-block.git] / include / linux / sched_clock.h

/*
 * sched_clock.h: support for extending counters to full 64-bit ns counter
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef LINUX_SCHED_CLOCK
#define LINUX_SCHED_CLOCK

#ifdef CONFIG_GENERIC_SCHED_CLOCK
extern void generic_sched_clock_init(void);

extern void sched_clock_register(u64 (*read)(void), int bits,
				 unsigned long rate);
#else
static inline void generic_sched_clock_init(void) { }

static inline void sched_clock_register(u64 (*read)(void), int bits,
					unsigned long rate)
{
}
#endif

#endif
Commit	Line	Data
	1	/*
	2	* sched_clock.h: support for extending counters to full 64-bit ns counter
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2 as
	6	* published by the Free Software Foundation.
	7	*/
	8	#ifndef LINUX_SCHED_CLOCK
	9	#define LINUX_SCHED_CLOCK
	10
	11	#ifdef CONFIG_GENERIC_SCHED_CLOCK
	12	extern void generic_sched_clock_init(void);
	13
	14	extern void sched_clock_register(u64 (*read)(void), int bits,
	15	unsigned long rate);
	16	#else
	17	static inline void generic_sched_clock_init(void) { }
	18
	19	static inline void sched_clock_register(u64 (*read)(void), int bits,
	20	unsigned long rate)
	21	{
	22	}
	23	#endif
	24
	25	#endif