cputime.h
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上传日期:2009-04-28
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- #ifndef _ASM_GENERIC_CPUTIME_H
- #define _ASM_GENERIC_CPUTIME_H
- #include <linux/time.h>
- #include <linux/jiffies.h>
- typedef unsigned long cputime_t;
- #define cputime_zero (0UL)
- #define cputime_max ((~0UL >> 1) - 1)
- #define cputime_add(__a, __b) ((__a) + (__b))
- #define cputime_sub(__a, __b) ((__a) - (__b))
- #define cputime_div(__a, __n) ((__a) / (__n))
- #define cputime_halve(__a) ((__a) >> 1)
- #define cputime_eq(__a, __b) ((__a) == (__b))
- #define cputime_gt(__a, __b) ((__a) > (__b))
- #define cputime_ge(__a, __b) ((__a) >= (__b))
- #define cputime_lt(__a, __b) ((__a) < (__b))
- #define cputime_le(__a, __b) ((__a) <= (__b))
- #define cputime_to_jiffies(__ct) (__ct)
- #define jiffies_to_cputime(__hz) (__hz)
- typedef u64 cputime64_t;
- #define cputime64_zero (0ULL)
- #define cputime64_add(__a, __b) ((__a) + (__b))
- #define cputime64_to_jiffies64(__ct) (__ct)
- #define cputime_to_cputime64(__ct) ((u64) __ct)
- /*
- * Convert cputime to milliseconds and back.
- */
- #define cputime_to_msecs(__ct) jiffies_to_msecs(__ct)
- #define msecs_to_cputime(__msecs) msecs_to_jiffies(__msecs)
- /*
- * Convert cputime to seconds and back.
- */
- #define cputime_to_secs(jif) ((jif) / HZ)
- #define secs_to_cputime(sec) ((sec) * HZ)
- /*
- * Convert cputime to timespec and back.
- */
- #define timespec_to_cputime(__val) timespec_to_jiffies(__val)
- #define cputime_to_timespec(__ct,__val) jiffies_to_timespec(__ct,__val)
- /*
- * Convert cputime to timeval and back.
- */
- #define timeval_to_cputime(__val) timeval_to_jiffies(__val)
- #define cputime_to_timeval(__ct,__val) jiffies_to_timeval(__ct,__val)
- /*
- * Convert cputime to clock and back.
- */
- #define cputime_to_clock_t(__ct) jiffies_to_clock_t(__ct)
- #define clock_t_to_cputime(__x) clock_t_to_jiffies(__x)
- /*
- * Convert cputime64 to clock.
- */
- #define cputime64_to_clock_t(__ct) jiffies_64_to_clock_t(__ct)
- #endif