1 #ifndef _ASM_GENERIC_CPUTIME_H
2 #define _ASM_GENERIC_CPUTIME_H
3
4 #include <linux/time.h>
5 #include <linux/jiffies.h>
6
7 typedef unsigned long cputime_t;
8
9 #define cputime_zero (0UL)
10 #define cputime_max ((~0UL >> 1) - 1)
11 #define cputime_add(__a, __b) ((__a) + (__b))
12 #define cputime_sub(__a, __b) ((__a) - (__b))
13 #define cputime_div(__a, __n) ((__a) / (__n))
14 #define cputime_halve(__a) ((__a) >> 1)
15 #define cputime_eq(__a, __b) ((__a) == (__b))
16 #define cputime_gt(__a, __b) ((__a) > (__b))
17 #define cputime_ge(__a, __b) ((__a) >= (__b))
18 #define cputime_lt(__a, __b) ((__a) < (__b))
19 #define cputime_le(__a, __b) ((__a) <= (__b))
20 #define cputime_to_jiffies(__ct) (__ct)
21 #define cputime_to_scaled(__ct) (__ct)
22 #define jiffies_to_cputime(__hz) (__hz)
23
24 typedef u64 cputime64_t;
25
26 #define cputime64_zero (0ULL)
27 #define cputime64_add(__a, __b) ((__a) + (__b))
28 #define cputime64_sub(__a, __b) ((__a) - (__b))
29 #define cputime64_to_jiffies64(__ct) (__ct)
30 #define jiffies64_to_cputime64(__jif) (__jif)
31 #define cputime_to_cputime64(__ct) ((u64) __ct)
32
33
34 /*
35 * Convert cputime to milliseconds and back.
36 */
37 #define cputime_to_msecs(__ct) jiffies_to_msecs(__ct)
38 #define msecs_to_cputime(__msecs) msecs_to_jiffies(__msecs)
39
40 /*
41 * Convert cputime to seconds and back.
42 */
43 #define cputime_to_secs(jif) ((jif) / HZ)
44 #define secs_to_cputime(sec) ((sec) * HZ)
45
46 /*
47 * Convert cputime to timespec and back.
48 */
49 #define timespec_to_cputime(__val) timespec_to_jiffies(__val)
50 #define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val)
51
52 /*
53 * Convert cputime to timeval and back.
54 */
55 #define timeval_to_cputime(__val) timeval_to_jiffies(__val)
56 #define cputime_to_timeval(__ct,__val) jiffies_to_timeval(__ct,__val)
57
58 /*
59 * Convert cputime to clock and back.
60 */
61 #define cputime_to_clock_t(__ct) jiffies_to_clock_t(__ct)
62 #define clock_t_to_cputime(__x) clock_t_to_jiffies(__x)
63
64 /*
65 * Convert cputime64 to clock.
66 */
67 #define cputime64_to_clock_t(__ct) jiffies_64_to_clock_t(__ct)
68
69 #endif
70
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