include/asm-generic/cputime.h

   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