1 #ifndef _ASM_GENERIC_CPUTIME_H
2 #define _ASM_GENERIC_CPUTIME_H
4 #include <linux/time.h>
5 #include <linux/jiffies.h>
7 typedef unsigned long __nocast cputime_t;
9 #define cputime_one_jiffy jiffies_to_cputime(1)
10 #define cputime_to_jiffies(__ct) (__force unsigned long)(__ct)
11 #define cputime_to_scaled(__ct) (__ct)
12 #define jiffies_to_cputime(__hz) (__force cputime_t)(__hz)
14 typedef u64 __nocast cputime64_t;
16 #define cputime64_to_jiffies64(__ct) (__force u64)(__ct)
17 #define jiffies64_to_cputime64(__jif) (__force cputime64_t)(__jif)
19 #define nsecs_to_cputime64(__ct) \
20 jiffies64_to_cputime64(nsecs_to_jiffies64(__ct))
24 * Convert cputime to microseconds and back.
26 #define cputime_to_usecs(__ct) \
27 jiffies_to_usecs(cputime_to_jiffies(__ct));
28 #define usecs_to_cputime(__msecs) \
29 jiffies_to_cputime(usecs_to_jiffies(__msecs));
32 * Convert cputime to seconds and back.
34 #define cputime_to_secs(jif) (cputime_to_jiffies(jif) / HZ)
35 #define secs_to_cputime(sec) jiffies_to_cputime((sec) * HZ)
38 * Convert cputime to timespec and back.
40 #define timespec_to_cputime(__val) \
41 jiffies_to_cputime(timespec_to_jiffies(__val))
42 #define cputime_to_timespec(__ct,__val) \
43 jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
46 * Convert cputime to timeval and back.
48 #define timeval_to_cputime(__val) \
49 jiffies_to_cputime(timeval_to_jiffies(__val))
50 #define cputime_to_timeval(__ct,__val) \
51 jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
54 * Convert cputime to clock and back.
56 #define cputime_to_clock_t(__ct) \
57 jiffies_to_clock_t(cputime_to_jiffies(__ct))
58 #define clock_t_to_cputime(__x) \
59 jiffies_to_cputime(clock_t_to_jiffies(__x))
62 * Convert cputime64 to clock.
64 #define cputime64_to_clock_t(__ct) \
65 jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))