aboutsummaryrefslogtreecommitdiff
path: root/include/asm-generic/cputime.h
blob: 9a62937c56ca342812177e1022910194ca8fba7a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
#ifndef _ASM_GENERIC_CPUTIME_H
#define _ASM_GENERIC_CPUTIME_H

#include <linux/time.h>
#include <linux/jiffies.h>

typedef unsigned long __nocast cputime_t;

#define cputime_one_jiffy		jiffies_to_cputime(1)
#define cputime_to_jiffies(__ct)	(__force unsigned long)(__ct)
#define cputime_to_scaled(__ct)		(__ct)
#define jiffies_to_cputime(__hz)	(__force cputime_t)(__hz)

typedef u64 __nocast cputime64_t;

#define cputime64_to_jiffies64(__ct)	(__force u64)(__ct)
#define jiffies64_to_cputime64(__jif)	(__force cputime64_t)(__jif)

#define nsecs_to_cputime64(__ct)	\
	jiffies64_to_cputime64(nsecs_to_jiffies64(__ct))


/*
 * Convert cputime to microseconds and back.
 */
#define cputime_to_usecs(__ct)		\
	jiffies_to_usecs(cputime_to_jiffies(__ct))
#define usecs_to_cputime(__usec)	\
	jiffies_to_cputime(usecs_to_jiffies(__usec))
#define usecs_to_cputime64(__usec)	\
	jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))

/*
 * Convert cputime to seconds and back.
 */
#define cputime_to_secs(jif)		(cputime_to_jiffies(jif) / HZ)
#define secs_to_cputime(sec)		jiffies_to_cputime((sec) * HZ)

/*
 * Convert cputime to timespec and back.
 */
#define timespec_to_cputime(__val)	\
	jiffies_to_cputime(timespec_to_jiffies(__val))
#define cputime_to_timespec(__ct,__val)	\
	jiffies_to_timespec(cputime_to_jiffies(__ct),__val)

/*
 * Convert cputime to timeval and back.
 */
#define timeval_to_cputime(__val)	\
	jiffies_to_cputime(timeval_to_jiffies(__val))
#define cputime_to_timeval(__ct,__val)	\
	jiffies_to_timeval(cputime_to_jiffies(__ct),__val)

/*
 * Convert cputime to clock and back.
 */
#define cputime_to_clock_t(__ct)	\
	jiffies_to_clock_t(cputime_to_jiffies(__ct))
#define clock_t_to_cputime(__x)		\
	jiffies_to_cputime(clock_t_to_jiffies(__x))

/*
 * Convert cputime64 to clock.
 */
#define cputime64_to_clock_t(__ct)	\
	jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))

#endif