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 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
  11 typedef 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 <-> cputime
  19  */
  20 #define cputime_to_nsecs(__ct)          \
  21         jiffies_to_nsecs(cputime_to_jiffies(__ct))
  22 #define nsecs_to_cputime64(__nsec)      \
  23         jiffies64_to_cputime64(nsecs_to_jiffies64(__nsec))
  24 #define nsecs_to_cputime(__nsec)        \
  25         jiffies_to_cputime(nsecs_to_jiffies(__nsec))
  26
  27
  28 /*
  29  * Convert cputime to microseconds and back.
  30  */
  31 #define cputime_to_usecs(__ct)          \
  32         jiffies_to_usecs(cputime_to_jiffies(__ct))
  33 #define usecs_to_cputime(__usec)        \
  34         jiffies_to_cputime(usecs_to_jiffies(__usec))
  35 #define usecs_to_cputime64(__usec)      \
  36         jiffies64_to_cputime64(nsecs_to_jiffies64((__usec) * 1000))
  37
  38 /*
  39  * Convert cputime to seconds and back.
  40  */
  41 #define cputime_to_secs(jif)            (cputime_to_jiffies(jif) / HZ)
  42 #define secs_to_cputime(sec)            jiffies_to_cputime((sec) * HZ)
  43
  44 /*
  45  * Convert cputime to timespec and back.
  46  */
  47 #define timespec_to_cputime(__val)      \
  48         jiffies_to_cputime(timespec_to_jiffies(__val))
  49 #define cputime_to_timespec(__ct,__val) \
  50         jiffies_to_timespec(cputime_to_jiffies(__ct),__val)
  51
  52 /*
  53  * Convert cputime to timeval and back.
  54  */
  55 #define timeval_to_cputime(__val)       \
  56         jiffies_to_cputime(timeval_to_jiffies(__val))
  57 #define cputime_to_timeval(__ct,__val)  \
  58         jiffies_to_timeval(cputime_to_jiffies(__ct),__val)
  59
  60 /*
  61  * Convert cputime to clock and back.
  62  */
  63 #define cputime_to_clock_t(__ct)        \
  64         jiffies_to_clock_t(cputime_to_jiffies(__ct))
  65 #define clock_t_to_cputime(__x)         \
  66         jiffies_to_cputime(clock_t_to_jiffies(__x))
  67
  68 /*
  69  * Convert cputime64 to clock.
  70  */
  71 #define cputime64_to_clock_t(__ct)      \
  72         jiffies_64_to_clock_t(cputime64_to_jiffies64(__ct))
  73
  74 #endif