include/linux/sched_clock.h

   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 sched_clock_postinit(void);
  13 #else
  14 static inline void sched_clock_postinit(void) { }
  15 #endif
  16
  17 extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
  18
  19 extern unsigned long long (*sched_clock_func)(void);
  20
  21 #endif