tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _ASM_GENERIC_CPUTIME_H
2#define _ASM_GENERIC_CPUTIME_H
3
4#include <linux/time.h>
5#include <linux/jiffies.h>
6
7typedef 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
24typedef 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