linux/include/asm-generic/cputime_jiffies.h
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   1#ifndef _ASM_GENERIC_CPUTIME_JIFFIES_H
   2#define _ASM_GENERIC_CPUTIME_JIFFIES_H
   3
   4typedef unsigned long __nocast cputime_t;
   5
   6#define cputime_one_jiffy               jiffies_to_cputime(1)
   7#define cputime_to_jiffies(__ct)        (__force unsigned long)(__ct)
   8#define cputime_to_scaled(__ct)         (__ct)
   9#define jiffies_to_cputime(__hz)        (__force cputime_t)(__hz)
  10
  11typedef u64 __nocast cputime64_t;
  12
  13#define cputime64_to_jiffies64(__ct)    (__force u64)(__ct)
  14#define jiffies64_to_cputime64(__jif)   (__force cputime64_t)(__jif)
  15
  16
  17/*
  18 * Convert nanoseconds to cputime
  19 */
  20#define nsecs_to_cputime64(__nsec)      \
  21        jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec))
  22#define nsecs_to_cputime(__nsec)        \
  23        jiffies_to_cputime(nsecs_to_jiffies(__nsec))
  24
  25
  26/*
  27 * Convert cputime to microseconds and back.
  28 */
  29#define cputime_to_usecs(__ct)          \
  30        jiffies_to_usecs(cputime_to_jiffies(__ct))
  31#define usecs_to_cputime(__usec)        \
  32        jiffies_to_cputime(usecs_to_jiffies(__usec))
  33#define usecs_to_cputime64(__usec)      \
  34        jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
  35
  36/*
  37 * Convert cputime to seconds and back.
  38 */
  39#define cputime_to_secs(jif)            (cputime_to_jiffies(jif) / HZ)
  40#define secs_to_cputime(sec)            jiffies_to_cputime((sec) * HZ)
  41
  42/*
  43 * Convert cputime to timespec and back.
  44 */
  45#define timespec_to_cputime(__val)      \
  46        jiffies_to_cputime(timespec_to_jiffies(__val))
  47#define cputime_to_timespec(__ct,__val) \
  48        jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
  49
  50/*
  51 * Convert cputime to timeval and back.
  52 */
  53#define timeval_to_cputime(__val)       \
  54        jiffies_to_cputime(timeval_to_jiffies(__val))
  55#define cputime_to_timeval(__ct,__val)  \
  56        jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
  57
  58/*
  59 * Convert cputime to clock and back.
  60 */
  61#define cputime_to_clock_t(__ct)        \
  62        jiffies_to_clock_t(cputime_to_jiffies(__ct))
  63#define clock_t_to_cputime(__x)         \
  64        jiffies_to_cputime(clock_t_to_jiffies(__x))
  65
  66/*
  67 * Convert cputime64 to clock.
  68 */
  69#define cputime64_to_clock_t(__ct)      \
  70        jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
  71
  72#endif
  73
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