diff options
Diffstat (limited to 'include/asm-generic/cputime.h')
| -rw-r--r-- | include/asm-generic/cputime.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/asm-generic/cputime.h b/include/asm-generic/cputime.h new file mode 100644 index 000000000000..6f178563e336 --- /dev/null +++ b/include/asm-generic/cputime.h @@ -0,0 +1,66 @@ +#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 |