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Russell King112f38a42010-12-15 19:23:07 +00001/*
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 */
Stephen Boyd38ff87f2013-06-01 23:39:40 -07008#ifndef LINUX_SCHED_CLOCK
9#define LINUX_SCHED_CLOCK
Russell King112f38a42010-12-15 19:23:07 +000010
Stephen Boyd38ff87f2013-06-01 23:39:40 -070011#ifdef CONFIG_GENERIC_SCHED_CLOCK
Russell King211baa702011-01-11 16:23:04 +000012extern void sched_clock_postinit(void);
Stephen Boyd38ff87f2013-06-01 23:39:40 -070013#else
14static inline void sched_clock_postinit(void) { }
15#endif
16
Marc Zyngier2f0778af2011-12-15 12:19:23 +010017extern void setup_sched_clock(u32 (*read)(void), int bits, unsigned long rate);
Stephen Boyde7e3ff12013-07-18 16:21:17 -070018extern void sched_clock_register(u64 (*read)(void), int bits,
19 unsigned long rate);
Russell King211baa702011-01-11 16:23:04 +000020
Rob Herring7e48c0b2013-04-01 13:53:38 -050021extern unsigned long long (*sched_clock_func)(void);
22
Russell King112f38a42010-12-15 19:23:07 +000023#endif