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_sub(__a, __b) ((__a) - (__b)) 28 #define cputime64_to_jiffies64(__ct) (__ct) 29 #define jiffies64_to_cputime64(__jif) (__jif) 30 #define cputime_to_cputime64(__ct) ((u64) __ct) 31 32 33 /* 34 * Convert cputime to milliseconds and back. 35 */ 36 #define cputime_to_msecs(__ct) jiffies_to_msecs(__ct) 37 #define msecs_to_cputime(__msecs) msecs_to_jiffies(__msecs) 38 39 /* 40 * Convert cputime to seconds and back. 41 */ 42 #define cputime_to_secs(jif) ((jif) / HZ) 43 #define secs_to_cputime(sec) ((sec) * HZ) 44 45 /* 46 * Convert cputime to timespec and back. 47 */ 48 #define timespec_to_cputime(__val) timespec_to_jiffies(__val) 49 #define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val) 50 51 /* 52 * Convert cputime to timeval and back. 53 */ 54 #define timeval_to_cputime(__val) timeval_to_jiffies(__val) 55 #define cputime_to_timeval(__ct,__val) jiffies_to_timeval(__ct,__val) 56 57 /* 58 * Convert cputime to clock and back. 59 */ 60 #define cputime_to_clock_t(__ct) jiffies_to_clock_t(__ct) 61 #define clock_t_to_cputime(__x) clock_t_to_jiffies(__x) 62 63 /* 64 * Convert cputime64 to clock. 65 */ 66 #define cputime64_to_clock_t(__ct) jiffies_64_to_clock_t(__ct) 67 68 #endif 69
