LXR linux/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
   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 jiffies_to_cputime(__hz)        (__hz)
  22
  23typedef 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