kernel/include/asm-generic/cputime_jiffies.h

   1 #ifndef _ASM_GENERIC_CPUTIME_JIFFIES_H
   2 #define _ASM_GENERIC_CPUTIME_JIFFIES_H
   3
   4 typedef unsigned long __nocast cputime_t;
   5
   6 #define cmpxchg_cputime(ptr, old, new) cmpxchg(ptr, old, new)
   7
   8 #define cputime_one_jiffy               jiffies_to_cputime(1)
   9 #define cputime_to_jiffies(__ct)        (__force unsigned long)(__ct)
  10 #define cputime_to_scaled(__ct)         (__ct)
  11 #define jiffies_to_cputime(__hz)        (__force cputime_t)(__hz)
  12
  13 typedef u64 __nocast cputime64_t;
  14
  15 #define cputime64_to_jiffies64(__ct)    (__force u64)(__ct)
  16 #define jiffies64_to_cputime64(__jif)   (__force cputime64_t)(__jif)
  17
  18
  19 /*
  20  * Convert nanoseconds <-> cputime
  21  */
  22 #define cputime_to_nsecs(__ct)          \
  23         jiffies_to_nsecs(cputime_to_jiffies(__ct))
  24 #define nsecs_to_cputime64(__nsec)      \
  25         jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec))
  26 #define nsecs_to_cputime(__nsec)        \
  27         jiffies_to_cputime(nsecs_to_jiffies(__nsec))
  28
  29
  30 /*
  31  * Convert cputime to microseconds and back.
  32  */
  33 #define cputime_to_usecs(__ct)          \
  34         jiffies_to_usecs(cputime_to_jiffies(__ct))
  35 #define usecs_to_cputime(__usec)        \
  36         jiffies_to_cputime(usecs_to_jiffies(__usec))
  37 #define usecs_to_cputime64(__usec)      \
  38         jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
  39
  40 /*
  41  * Convert cputime to seconds and back.
  42  */
  43 #define cputime_to_secs(jif)            (cputime_to_jiffies(jif) / HZ)
  44 #define secs_to_cputime(sec)            jiffies_to_cputime((sec) * HZ)
  45
  46 /*
  47  * Convert cputime to timespec and back.
  48  */
  49 #define timespec_to_cputime(__val)      \
  50         jiffies_to_cputime(timespec_to_jiffies(__val))
  51 #define cputime_to_timespec(__ct,__val) \
  52         jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
  53
  54 /*
  55  * Convert cputime to timeval and back.
  56  */
  57 #define timeval_to_cputime(__val)       \
  58         jiffies_to_cputime(timeval_to_jiffies(__val))
  59 #define cputime_to_timeval(__ct,__val)  \
  60         jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
  61
  62 /*
  63  * Convert cputime to clock and back.
  64  */
  65 #define cputime_to_clock_t(__ct)        \
  66         jiffies_to_clock_t(cputime_to_jiffies(__ct))
  67 #define clock_t_to_cputime(__x)         \
  68         jiffies_to_cputime(clock_t_to_jiffies(__x))
  69
  70 /*
  71  * Convert cputime64 to clock.
  72  */
  73 #define cputime64_to_clock_t(__ct)      \
  74         jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
  75
  76 #endif