diff options
Diffstat (limited to 'include/linux/ktime.h')
| -rw-r--r-- | include/linux/ktime.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/ktime.h b/include/linux/ktime.h index 5b9a9eb82ba..222a047cc14 100644 --- a/include/linux/ktime.h +++ b/include/linux/ktime.h @@ -266,4 +266,19 @@ static inline u64 ktime_to_ns(const ktime_t kt) #endif +/* + * The resolution of the clocks. The resolution value is returned in + * the clock_getres() system call to give application programmers an + * idea of the (in)accuracy of timers. Timer values are rounded up to + * this resolution values. + */ +#define KTIME_REALTIME_RES (NSEC_PER_SEC/HZ) +#define KTIME_MONOTONIC_RES (NSEC_PER_SEC/HZ) + +/* Get the monotonic time in timespec format: */ +extern void ktime_get_ts(struct timespec *ts); + +/* Get the real (wall-) time in timespec format: */ +#define ktime_get_real_ts(ts) getnstimeofday(ts) + #endif |