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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 | |
34 | |
35 | /* |
36 | * Convert cputime to milliseconds and back. |
37 | */ |
38 | #define cputime_to_msecs(__ct) jiffies_to_msecs(__ct) |
39 | #define msecs_to_cputime(__msecs) msecs_to_jiffies(__msecs) |
40 | |
41 | /* |
42 | * Convert cputime to seconds and back. |
43 | */ |
44 | #define cputime_to_secs(jif) ((jif) / HZ) |
45 | #define secs_to_cputime(sec) ((sec) * HZ) |
46 | |
47 | /* |
48 | * Convert cputime to timespec and back. |
49 | */ |
50 | #define timespec_to_cputime(__val) timespec_to_jiffies(__val) |
51 | #define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val) |
52 | |
53 | /* |
54 | * Convert cputime to timeval and back. |
55 | */ |
56 | #define timeval_to_cputime(__val) timeval_to_jiffies(__val) |
57 | #define cputime_to_timeval(__ct,__val) jiffies_to_timeval(__ct,__val) |
58 | |
59 | /* |
60 | * Convert cputime to clock and back. |
61 | */ |
62 | #define cputime_to_clock_t(__ct) jiffies_to_clock_t(__ct) |
63 | #define clock_t_to_cputime(__x) clock_t_to_jiffies(__x) |
64 | |
65 | /* |
66 | * Convert cputime64 to clock. |
67 | */ |
68 | #define cputime64_to_clock_t(__ct) jiffies_64_to_clock_t(__ct) |
69 | |
70 | #endif |
71 |
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