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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef _ASM_GENERIC_CPUTIME_H
2#define _ASM_GENERIC_CPUTIME_H
3
4#include <linux/time.h>
5#include <linux/jiffies.h>
6
Martin Schwidefsky64861632011-12-15 14:56:09 +01007typedef unsigned long __nocast cputime_t;
Linus Torvalds1da177e2005-04-16 15:20:36 -07008
Stanislaw Gruszkaa42548a2009-07-29 12:15:29 +02009#define cputime_one_jiffy jiffies_to_cputime(1)
Martin Schwidefsky64861632011-12-15 14:56:09 +010010#define cputime_to_jiffies(__ct) (__force unsigned long)(__ct)
Michael Neuling06b8e872008-02-06 01:36:12 -080011#define cputime_to_scaled(__ct) (__ct)
Martin Schwidefsky64861632011-12-15 14:56:09 +010012#define jiffies_to_cputime(__hz) (__force cputime_t)(__hz)
Linus Torvalds1da177e2005-04-16 15:20:36 -070013
Martin Schwidefsky64861632011-12-15 14:56:09 +010014typedef u64 __nocast cputime64_t;
Linus Torvalds1da177e2005-04-16 15:20:36 -070015
Martin Schwidefsky64861632011-12-15 14:56:09 +010016#define cputime64_to_jiffies64(__ct) (__force u64)(__ct)
17#define jiffies64_to_cputime64(__jif) (__force cputime64_t)(__jif)
Venkatesh Pallipadia1dabb62010-12-21 17:09:01 -080018
Martin Schwidefsky64861632011-12-15 14:56:09 +010019#define nsecs_to_cputime64(__ct) \
20 jiffies64_to_cputime64(nsecs_to_jiffies64(__ct))
Linus Torvalds1da177e2005-04-16 15:20:36 -070021
22
23/*
Michael Holzheud57af9b2010-10-27 15:34:45 -070024 * Convert cputime to microseconds and back.
Linus Torvalds1da177e2005-04-16 15:20:36 -070025 */
Martin Schwidefsky64861632011-12-15 14:56:09 +010026#define cputime_to_usecs(__ct) \
Linus Torvalds0db49b72012-01-06 08:33:28 -080027 jiffies_to_usecs(cputime_to_jiffies(__ct))
28#define usecs_to_cputime(__usec) \
29 jiffies_to_cputime(usecs_to_jiffies(__usec))
30#define usecs_to_cputime64(__usec) \
31 jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
Linus Torvalds1da177e2005-04-16 15:20:36 -070032
33/*
34 * Convert cputime to seconds and back.
35 */
Martin Schwidefsky64861632011-12-15 14:56:09 +010036#define cputime_to_secs(jif) (cputime_to_jiffies(jif) / HZ)
37#define secs_to_cputime(sec) jiffies_to_cputime((sec) * HZ)
Linus Torvalds1da177e2005-04-16 15:20:36 -070038
39/*
40 * Convert cputime to timespec and back.
41 */
Martin Schwidefsky64861632011-12-15 14:56:09 +010042#define timespec_to_cputime(__val) \
43 jiffies_to_cputime(timespec_to_jiffies(__val))
44#define cputime_to_timespec(__ct,__val) \
45 jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
Linus Torvalds1da177e2005-04-16 15:20:36 -070046
47/*
48 * Convert cputime to timeval and back.
49 */
Martin Schwidefsky64861632011-12-15 14:56:09 +010050#define timeval_to_cputime(__val) \
51 jiffies_to_cputime(timeval_to_jiffies(__val))
52#define cputime_to_timeval(__ct,__val) \
53 jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
Linus Torvalds1da177e2005-04-16 15:20:36 -070054
55/*
56 * Convert cputime to clock and back.
57 */
Martin Schwidefsky64861632011-12-15 14:56:09 +010058#define cputime_to_clock_t(__ct) \
59 jiffies_to_clock_t(cputime_to_jiffies(__ct))
60#define clock_t_to_cputime(__x) \
61 jiffies_to_cputime(clock_t_to_jiffies(__x))
Linus Torvalds1da177e2005-04-16 15:20:36 -070062
63/*
64 * Convert cputime64 to clock.
65 */
Martin Schwidefsky64861632011-12-15 14:56:09 +010066#define cputime64_to_clock_t(__ct) \
67 jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
Linus Torvalds1da177e2005-04-16 15:20:36 -070068
69#endif