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_one_jiffy               jiffies_to_cputime(1)
  11 #define cputime_max                     ((~0UL >> 1) - 1)
  12 #define cputime_add(__a, __b)           ((__a) +  (__b))
  13 #define cputime_sub(__a, __b)           ((__a) -  (__b))
  14 #define cputime_div(__a, __n)           ((__a) /  (__n))
  15 #define cputime_halve(__a)              ((__a) >> 1)
  16 #define cputime_eq(__a, __b)            ((__a) == (__b))
  17 #define cputime_gt(__a, __b)            ((__a) >  (__b))
  18 #define cputime_ge(__a, __b)            ((__a) >= (__b))
  19 #define cputime_lt(__a, __b)            ((__a) <  (__b))
  20 #define cputime_le(__a, __b)            ((__a) <= (__b))
  21 #define cputime_to_jiffies(__ct)        (__ct)
  22 #define cputime_to_scaled(__ct)         (__ct)
  23 #define jiffies_to_cputime(__hz)        (__hz)
  24
  25 typedef u64 cputime64_t;
  26
  27 #define cputime64_zero (0ULL)
  28 #define cputime64_add(__a, __b)         ((__a) + (__b))
  29 #define cputime64_sub(__a, __b)         ((__a) - (__b))
  30 #define cputime64_to_jiffies64(__ct)    (__ct)
  31 #define jiffies64_to_cputime64(__jif)   (__jif)
  32 #define cputime_to_cputime64(__ct)      ((u64) __ct)
  33
  34
  35 /*
  36  * Convert cputime to milliseconds and back.
  37  */
  38 #define cputime_to_msecs(__ct)          jiffies_to_msecs(__ct)
  39 #define msecs_to_cputime(__msecs)       msecs_to_jiffies(__msecs)
  40
  41 /*
  42  * Convert cputime to seconds and back.
  43  */
  44 #define cputime_to_secs(jif)            ((jif) / HZ)
  45 #define secs_to_cputime(sec)            ((sec) * HZ)
  46
  47 /*
  48  * Convert cputime to timespec and back.
  49  */
  50 #define timespec_to_cputime(__val)      timespec_to_jiffies(__val)
  51 #define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val)
  52
  53 /*
  54  * Convert cputime to timeval and back.
  55  */
  56 #define timeval_to_cputime(__val)       timeval_to_jiffies(__val)
  57 #define cputime_to_timeval(__ct,__val)  jiffies_to_timeval(__ct,__val)
  58
  59 /*
  60  * Convert cputime to clock and back.
  61  */
  62 #define cputime_to_clock_t(__ct)        jiffies_to_clock_t(__ct)
  63 #define clock_t_to_cputime(__x)         clock_t_to_jiffies(__x)
  64
  65 /*
  66  * Convert cputime64 to clock.
  67  */
  68 #define cputime64_to_clock_t(__ct)      jiffies_64_to_clock_t(__ct)
  69
  70 #endif