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
generic_sched_clock_init(void)17 static inline void generic_sched_clock_init(void) { }
18 
sched_clock_register(u64 (* read)(void),int bits,unsigned long rate)19 static inline void sched_clock_register(u64 (*read)(void), int bits,
20 					unsigned long rate)
21 {
22 }
23 #endif
24 
25 #endif
26