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 __nocast cputime_t; 8 9 #define cputime_one_jiffy jiffies_to_cputime(1) 10 #define cputime_to_jiffies(__ct) (__force unsigned long)(__ct) 11 #define cputime_to_scaled(__ct) (__ct) 12 #define jiffies_to_cputime(__hz) (__force cputime_t)(__hz) 13 14 typedef u64 __nocast cputime64_t; 15 16 #define cputime64_to_jiffies64(__ct) (__force u64)(__ct) 17 #define jiffies64_to_cputime64(__jif) (__force cputime64_t)(__jif) 18 19 #define nsecs_to_cputime64(__ct) \ 20 jiffies64_to_cputime64(nsecs_to_jiffies64(__ct)) 21 22 23 /* 24 * Convert cputime to microseconds and back. 25 */ 26 #define cputime_to_usecs(__ct) \ 27 jiffies_to_usecs(cputime_to_jiffies(__ct)) 28 #define usecs_to_cputime(__usec) \ 29 jiffies_to_cputime(usecs_to_jiffies(__usec)) 30 #define usecs_to_cputime64(__usec) \ 31 jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000)) 32 33 /* 34 * Convert cputime to seconds and back. 35 */ 36 #define cputime_to_secs(jif) (cputime_to_jiffies(jif) / HZ) 37 #define secs_to_cputime(sec) jiffies_to_cputime((sec) * HZ) 38 39 /* 40 * Convert cputime to timespec and back. 41 */ 42 #define timespec_to_cputime(__val) \ 43 jiffies_to_cputime(timespec_to_jiffies(__val)) 44 #define cputime_to_timespec(__ct,__val) \ 45 jiffies_to_timespec(cputime_to_jiffies(__ct),__val) 46 47 /* 48 * Convert cputime to timeval and back. 49 */ 50 #define timeval_to_cputime(__val) \ 51 jiffies_to_cputime(timeval_to_jiffies(__val)) 52 #define cputime_to_timeval(__ct,__val) \ 53 jiffies_to_timeval(cputime_to_jiffies(__ct),__val) 54 55 /* 56 * Convert cputime to clock and back. 57 */ 58 #define cputime_to_clock_t(__ct) \ 59 jiffies_to_clock_t(cputime_to_jiffies(__ct)) 60 #define clock_t_to_cputime(__x) \ 61 jiffies_to_cputime(clock_t_to_jiffies(__x)) 62 63 /* 64 * Convert cputime64 to clock. 65 */ 66 #define cputime64_to_clock_t(__ct) \ 67 jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct)) 68 69 #endif 70