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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_one_jiffy jiffies_to_cputime(1) |
11 | #define cputime_max ((~0UL >> 1) - 1) |
12 | #define cputime_add(__a, __b) ((__a) + (__b)) |
13 | #define cputime_sub(__a, __b) ((__a) - (__b)) |
14 | #define cputime_div(__a, __n) ((__a) / (__n)) |
15 | #define cputime_halve(__a) ((__a) >> 1) |
16 | #define cputime_eq(__a, __b) ((__a) == (__b)) |
17 | #define cputime_gt(__a, __b) ((__a) > (__b)) |
18 | #define cputime_ge(__a, __b) ((__a) >= (__b)) |
19 | #define cputime_lt(__a, __b) ((__a) < (__b)) |
20 | #define cputime_le(__a, __b) ((__a) <= (__b)) |
21 | #define cputime_to_jiffies(__ct) (__ct) |
22 | #define cputime_to_scaled(__ct) (__ct) |
23 | #define jiffies_to_cputime(__hz) (__hz) |
24 | |
25 | typedef u64 cputime64_t; |
26 | |
27 | #define cputime64_zero (0ULL) |
28 | #define cputime64_add(__a, __b) ((__a) + (__b)) |
29 | #define cputime64_sub(__a, __b) ((__a) - (__b)) |
30 | #define cputime64_to_jiffies64(__ct) (__ct) |
31 | #define jiffies64_to_cputime64(__jif) (__jif) |
32 | #define cputime_to_cputime64(__ct) ((u64) __ct) |
33 | #define cputime64_gt(__a, __b) ((__a) > (__b)) |
34 | |
35 | #define nsecs_to_cputime64(__ct) nsecs_to_jiffies64(__ct) |
36 | |
37 | |
38 | /* |
39 | * Convert cputime to microseconds and back. |
40 | */ |
41 | #define cputime_to_usecs(__ct) jiffies_to_usecs(__ct); |
42 | #define usecs_to_cputime(__msecs) usecs_to_jiffies(__msecs); |
43 | |
44 | /* |
45 | * Convert cputime to seconds and back. |
46 | */ |
47 | #define cputime_to_secs(jif) ((jif) / HZ) |
48 | #define secs_to_cputime(sec) ((sec) * HZ) |
49 | |
50 | /* |
51 | * Convert cputime to timespec and back. |
52 | */ |
53 | #define timespec_to_cputime(__val) timespec_to_jiffies(__val) |
54 | #define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val) |
55 | |
56 | /* |
57 | * Convert cputime to timeval and back. |
58 | */ |
59 | #define timeval_to_cputime(__val) timeval_to_jiffies(__val) |
60 | #define cputime_to_timeval(__ct,__val) jiffies_to_timeval(__ct,__val) |
61 | |
62 | /* |
63 | * Convert cputime to clock and back. |
64 | */ |
65 | #define cputime_to_clock_t(__ct) jiffies_to_clock_t(__ct) |
66 | #define clock_t_to_cputime(__x) clock_t_to_jiffies(__x) |
67 | |
68 | /* |
69 | * Convert cputime64 to clock. |
70 | */ |
71 | #define cputime64_to_clock_t(__ct) jiffies_64_to_clock_t(__ct) |
72 | |
73 | #endif |
74 |
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