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Linux kernel mirror (for testing)
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1#ifndef _ASM_GENERIC_CPUTIME_JIFFIES_H
2#define _ASM_GENERIC_CPUTIME_JIFFIES_H
3
4typedef unsigned long __nocast cputime_t;
5
6#define cputime_one_jiffy jiffies_to_cputime(1)
7#define cputime_to_jiffies(__ct) (__force unsigned long)(__ct)
8#define cputime_to_scaled(__ct) (__ct)
9#define jiffies_to_cputime(__hz) (__force cputime_t)(__hz)
10
11typedef u64 __nocast cputime64_t;
12
13#define cputime64_to_jiffies64(__ct) (__force u64)(__ct)
14#define jiffies64_to_cputime64(__jif) (__force cputime64_t)(__jif)
15
16
17/*
18 * Convert nanoseconds to cputime
19 */
20#define nsecs_to_cputime64(__nsec) \
21 jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec))
22#define nsecs_to_cputime(__nsec) \
23 jiffies_to_cputime(nsecs_to_jiffies(__nsec))
24
25
26/*
27 * Convert cputime to microseconds and back.
28 */
29#define cputime_to_usecs(__ct) \
30 jiffies_to_usecs(cputime_to_jiffies(__ct))
31#define usecs_to_cputime(__usec) \
32 jiffies_to_cputime(usecs_to_jiffies(__usec))
33#define usecs_to_cputime64(__usec) \
34 jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
35
36/*
37 * Convert cputime to seconds and back.
38 */
39#define cputime_to_secs(jif) (cputime_to_jiffies(jif) / HZ)
40#define secs_to_cputime(sec) jiffies_to_cputime((sec) * HZ)
41
42/*
43 * Convert cputime to timespec and back.
44 */
45#define timespec_to_cputime(__val) \
46 jiffies_to_cputime(timespec_to_jiffies(__val))
47#define cputime_to_timespec(__ct,__val) \
48 jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
49
50/*
51 * Convert cputime to timeval and back.
52 */
53#define timeval_to_cputime(__val) \
54 jiffies_to_cputime(timeval_to_jiffies(__val))
55#define cputime_to_timeval(__ct,__val) \
56 jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
57
58/*
59 * Convert cputime to clock and back.
60 */
61#define cputime_to_clock_t(__ct) \
62 jiffies_to_clock_t(cputime_to_jiffies(__ct))
63#define clock_t_to_cputime(__x) \
64 jiffies_to_cputime(clock_t_to_jiffies(__x))
65
66/*
67 * Convert cputime64 to clock.
68 */
69#define cputime64_to_clock_t(__ct) \
70 jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
71
72#endif