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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_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 jiffies_to_cputime(__hz) (__hz) | |
22 | ||
23 | typedef u64 cputime64_t; | |
24 | ||
25 | #define cputime64_zero (0ULL) | |
26 | #define cputime64_add(__a, __b) ((__a) + (__b)) | |
27 | #define cputime64_to_jiffies64(__ct) (__ct) | |
28 | #define cputime_to_cputime64(__ct) ((u64) __ct) | |
29 | ||
30 | ||
31 | /* | |
32 | * Convert cputime to milliseconds and back. | |
33 | */ | |
34 | #define cputime_to_msecs(__ct) jiffies_to_msecs(__ct) | |
35 | #define msecs_to_cputime(__msecs) msecs_to_jiffies(__msecs) | |
36 | ||
37 | /* | |
38 | * Convert cputime to seconds and back. | |
39 | */ | |
40 | #define cputime_to_secs(jif) ((jif) / HZ) | |
41 | #define secs_to_cputime(sec) ((sec) * HZ) | |
42 | ||
43 | /* | |
44 | * Convert cputime to timespec and back. | |
45 | */ | |
46 | #define timespec_to_cputime(__val) timespec_to_jiffies(__val) | |
47 | #define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val) | |
48 | ||
49 | /* | |
50 | * Convert cputime to timeval and back. | |
51 | */ | |
52 | #define timeval_to_cputime(__val) timeval_to_jiffies(__val) | |
53 | #define cputime_to_timeval(__ct,__val) jiffies_to_timeval(__ct,__val) | |
54 | ||
55 | /* | |
56 | * Convert cputime to clock and back. | |
57 | */ | |
58 | #define cputime_to_clock_t(__ct) jiffies_to_clock_t(__ct) | |
59 | #define clock_t_to_cputime(__x) clock_t_to_jiffies(__x) | |
60 | ||
61 | /* | |
62 | * Convert cputime64 to clock. | |
63 | */ | |
64 | #define cputime64_to_clock_t(__ct) jiffies_64_to_clock_t(__ct) | |
65 | ||
66 | #endif |