cputime.h 1.9 KB

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  1. #ifndef _ASM_GENERIC_CPUTIME_H
  2. #define _ASM_GENERIC_CPUTIME_H
  3. #include <linux/time.h>
  4. #include <linux/jiffies.h>
  5. typedef unsigned long cputime_t;
  6. #define cputime_zero (0UL)
  7. #define cputime_max ((~0UL >> 1) - 1)
  8. #define cputime_add(__a, __b) ((__a) + (__b))
  9. #define cputime_sub(__a, __b) ((__a) - (__b))
  10. #define cputime_div(__a, __n) ((__a) / (__n))
  11. #define cputime_halve(__a) ((__a) >> 1)
  12. #define cputime_eq(__a, __b) ((__a) == (__b))
  13. #define cputime_gt(__a, __b) ((__a) > (__b))
  14. #define cputime_ge(__a, __b) ((__a) >= (__b))
  15. #define cputime_lt(__a, __b) ((__a) < (__b))
  16. #define cputime_le(__a, __b) ((__a) <= (__b))
  17. #define cputime_to_jiffies(__ct) (__ct)
  18. #define jiffies_to_cputime(__hz) (__hz)
  19. typedef u64 cputime64_t;
  20. #define cputime64_zero (0ULL)
  21. #define cputime64_add(__a, __b) ((__a) + (__b))
  22. #define cputime64_sub(__a, __b) ((__a) - (__b))
  23. #define cputime64_to_jiffies64(__ct) (__ct)
  24. #define jiffies64_to_cputime64(__jif) (__jif)
  25. #define cputime_to_cputime64(__ct) ((u64) __ct)
  26. /*
  27. * Convert cputime to milliseconds and back.
  28. */
  29. #define cputime_to_msecs(__ct) jiffies_to_msecs(__ct)
  30. #define msecs_to_cputime(__msecs) msecs_to_jiffies(__msecs)
  31. /*
  32. * Convert cputime to seconds and back.
  33. */
  34. #define cputime_to_secs(jif) ((jif) / HZ)
  35. #define secs_to_cputime(sec) ((sec) * HZ)
  36. /*
  37. * Convert cputime to timespec and back.
  38. */
  39. #define timespec_to_cputime(__val) timespec_to_jiffies(__val)
  40. #define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val)
  41. /*
  42. * Convert cputime to timeval and back.
  43. */
  44. #define timeval_to_cputime(__val) timeval_to_jiffies(__val)
  45. #define cputime_to_timeval(__ct,__val) jiffies_to_timeval(__ct,__val)
  46. /*
  47. * Convert cputime to clock and back.
  48. */
  49. #define cputime_to_clock_t(__ct) jiffies_to_clock_t(__ct)
  50. #define clock_t_to_cputime(__x) clock_t_to_jiffies(__x)
  51. /*
  52. * Convert cputime64 to clock.
  53. */
  54. #define cputime64_to_clock_t(__ct) jiffies_64_to_clock_t(__ct)
  55. #endif