[thirdparty/kernel/stable.git] / include / linux / sched_clock.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * sched_clock.h: support for extending counters to full 64-bit ns counter
 */
#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
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
112f38a4 RK	2	/*
112f38a4 RK	3	* sched_clock.h: support for extending counters to full 64-bit ns counter
112f38a4	4	*/
38ff87f7 SB	5	#ifndef LINUX_SCHED_CLOCK
38ff87f7 SB	6	#define LINUX_SCHED_CLOCK
112f38a4	7
38ff87f7	8	#ifdef CONFIG_GENERIC_SCHED_CLOCK
5d2a4e91	9	extern void generic_sched_clock_init(void);
38ff87f7	10
e7e3ff1b SB	11	extern void sched_clock_register(u64 (*read)(void), int bits,
e7e3ff1b SB	12	unsigned long rate);
364eba4b	13	#else
5d2a4e91	14	static inline void generic_sched_clock_init(void) { }
364eba4b DL	15
	16	static inline void sched_clock_register(u64 (*read)(void), int bits,
	17	unsigned long rate)
	18	{
364eba4b DL	19	}
364eba4b DL	20	#endif
211baa70	21
112f38a4	22	#endif